ario Location. In hydraulic asse

2021/05/21

Ontario Location. In hydraulic assemblies of boilers. acting like a pressure limiting valve, if the pressure on the secondary side Media Description: Hydraulic Fluid; Pressure Rating: 5802 psi

Turbine Bypass Valves. Hydraulic bypass valves work to maintain equal amounts of pressure within the hydraulic system. On request 12 VDC solenoids are also available. It is widely seen on industrial equipment. I was taking the fillier pipe off the rear-end housing to check the screen and the threaded flange turned right off. Advertisement drill cutting wheel attachment. Hydraulic By-pass (bypass) block for a Farmall Cub. & 1/4 in. Description: feeds to mix your fluid to the desired specified temperature. Hydraulic Symbols. Apr 15, 2011 / hydrostatic bypass valve. Shop for wholesale valves and find quality check valve with bypass on sale at affordable prices! Some known hydraulic control systems have a bypass valve disposed in parallel with a plurality of closed center directional control valves, all of which are controlled by a control unit.

Hydraulic Pinch Valves Play Video. Hydraforce Directional Control Valve Cartridge Valve PD12-42-0-N-110. $30.00-$90.00 / Unit. Close. Price: US $62.50.

HAWE North America, Inc. 13020 Jamesburg Drive, Suite A Huntersville, NC 28078, USA. Additionally, an integral pressure relief function automatically releases excess pressure to the reservoir if the cooler becomes restricted, and the inlet pressure becomes excessive. Provides overload and shut off protection for motor wind down when used with hydraulic control valves that have blocked work ports in neutral. This kind of solenoid valve has three pipe connections; the stop port, body cavity port, and the body orifice The hydraulic pump has always moaned/groaned/whined when the loader was being activated. The simplest DCV (Direction Control Valve ) is a check valve. Motors Hydraulic Control Manifold. SAE 12 30 GPM HYDRAULIC MOTOR RELIEF BYPASS VALVE Brand new, FLUIDTECH four port inline crossover relief and bypass check valve. They can be utilized to thoroughly check the flow level to a specific domain, redirect pressurized fluid or close a line. Choose the one that suits your needs. The counter-balance valve creates dynamic control within the system and the sequence valve, detects the extreme pressure. Hydraulic Bypass Relief Valves From Albany Pump Company Ltd. USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 - sales@metexcorporation.com

The name can also change as they may be known as anti-siphon, non-return, bypass, load holding, PO check, one-way plus a few others. Hydraulic parts reman, repaired or new. Area. The name can also change as they may be known as anti-siphon, non-return, bypass, load holding, PO check, one-way plus a few others. Messages. 5 Directional Control Valves. Custom manufacturer of directional & flow control hydraulic valves. They are also known as non-return valves. A spin filter, in which the valve is an integrated component of the filter, and a cartridge filter, in which the valve is primarily part of the housing, are the two types of filters.. They have a round flat head with a hex socket in 'em.

1.0 Units (Min. LoginAsk is here to help you access Hydraulic Pump Bypass Valve quickly and handle each specific case you encounter. Support.

The bypass valve is intended to protect the filter element against destruction before its strength limit is reached, as otherwise the contamination collected will be returned to the circuit. You can use hydraulic valves to switch at a certain pressure or adjust the direction and flow of the fluid. Every valve (control valve, check valve, shuttle valve and others) have been manufactured to satisfy demands for: Performance. Find a wide array of durable hydraulic valves at Grainger to help run your hydraulic systems efficiently and increase or maintain high productivity. The standard one piece paper filter number is 388084R93. Injection Pump Type. Price: US $62.50. The activation of the manual bypass valve will allow the axles to roll freely by diverting the flow of fluid around the drive pump system.

Hydrostatic transmission with hydraulic bypass and air bleed US5410842A (en) * 1993-11-12: 1995-05-02: Asi Technologies, Inc. Two speed hydraulic door operator Inquiry. It is a two-way valve because it contains two ports. 4 Types of Hydraulic Valves. Hydraulic Pump Bypass Valve will sometimes glitch and take you a long time to try different solutions.

The relief port begins opening at the set pressure and fully opens at about 10% They are classified according to principal characteristics like: Type of internal spool. Check valves stop the flow of fluid in one direction and allow free flow in the opposite direction. Chat; Email Adjustable Hydraulic Flow Valves. Hydraulic By-pass (bypass) block for a Farmall Cub. FULFLO expresses the basic principle that the relief valve must have flow capacity equal to that of the pipe lines to which it is connected. Got it. Description. 1 watched in last 24 hours. The Equilibar precision back pressure regulator. Changing the spool b. Qty: 254.40. Skip to content. These valves maintain the pressure as entered manually by the operator. 82 products. We are looking for dedicated people that want to make a long-term career at Sun Hydraulics. The controlled flow (CF) is made available to the steering and the control pressure (EF) is passed to the pressure compensator of the working hydraulics. 3-Way Normally Open Solenoid Valves . Both filter numbers are package numbers and should also contain the gasket. Innovatively designed to suit various applications, the 3-way thermal bypass valve can be used to precisely proportion flow in response to fluid temperature variations in both mixing and diverting applications. Maximum outlet pressure is set by a reducing-relieving valve.

Size: DN400 DN2000/ 16"-80". Hydraulic Pinch Valves Specs Size Range 1" (25mm) to 60" (1500mm) Temperature -50F to 250F Max.

a. Deceleration b. A lot of hydraulic problems are caused by blocked filters and in turn jammed or broken filter bypass valves.

A by-pass check valve has to be provided for higher reversed flow. The high capacity filter is 388085R92. 500 Barclay Blvd. Condition: New New.

Qty: $34.95. Our 3-way temperature control valves (also known as thermostatic control valves, TCVs, or temperature regulators,) use our self-actuating thermostatic technology to monitor the inlet flow and divert the fluid based on temperature. Animation | How schematic symbols for control valves is derived symbols, pump, valve, motor, hydraulic .. UNDERSTANDING SCHEMATICS Introduction - Air and water contamination are the leading causes of hydraulic failure, accounting for 80 to 90% of hydraulic failures. a. With the individual valve types constantly expanded on, over the course of the years an extremely extensive and complete product range has come into being that enables almost all design options for hydraulic systems stationary or mobile. TH Series Thermal Bypass Valves are used to modulate fluid temperature by shifting return line flow through the cooler, or bypassing it directly to the reservoir. This is achieved through the use of a piston and spring that work together to divert or bypass fluid when needed. The cam actuates a piston assembly that contains a plurality of pistons wherein each piston has a piston body and fluid working chamber. Adjustable from 70 to 700 bar. For non reversible applications only.

orifice dia., 25 psi to 150 psi pressure, 1/8 in. Comes with a rear blower, 87" wide, hydraulic Shute, left to right. This enables little pressure loss. (57 pages) 85 Kubota Position Control Valve 31351-39604 Yr908-00101 Yr908-00102 Yr908-00103 310 The first spool is equipped with a float position, giving the operator the ability to contour the landscape Pressure rating: PN6- PN10-PN16-PN25-PN40. Compact design to save hydraulic pipes in a small whole unit, easily maintenance and valve replacement. Hydraulic valves optimised for the applications of our customers We have the right combination valve for every application. Many filters will also have a spring loaded check valve in parallel so that if the filter is clogged, oil will bypass through the check valve. Check valve opens and allows oil to bypass the cooler and flow to the tank.

Fulflo V-Series Hydraulic Bypass Relief Valves are adjustable, mount in any position and allow for flow rates up to 150 GPM.

Call 800-728-5168. The type of check valve will vary with different equipment and flow rates. Seals: BUNA N standard. Item Number: 9-8408-38 64 In Stock. Availability of standard models ex stock. The turbine bypass system diverts the system flow around the steam turbine generator to the condenser, which provides the ultimate heat sink. Main Features. 1500 calorie keto meal plan free.

Anti-cavitation.

To push a riding mower equipped with hydrostatic drive it will be necessary to disengage the fluid drive by activating the manual bypass valve. At HYDAC, we design and develop our valves with practical applications in mind. Methods of actuation. A check valve is an example on a two-way valve.A three-way valve has three working ports. Pilot Operated Check Valves (Modular) - CIM 06 These modular valves are available with the pilot operated check valve facility on either 'A' or 'B' ports.

Get hydraulic parts here http://amzn.to/1XhUWpQToday we are setting the pressure on my hydraulic power pack.

Often used with feed pumps for fertilizers and bleach, they have a PVC body and a PTFE seal for excellent chemical resistance. Hydraulic Check Valves are typically used in three common occurrences: When the flow of liquid needs to bypass a pressure valve during the return flow, As a means of ensuring that the flow does not enter a specific portion of a circuit at an undesirable time, As a bypass around a filter, when that filter becomes clogged or unusable. Materials and Features: Body: Zinc-plated steel.

74" Hydraulic Bypass Hose For Backhoe Control Valves LW7A & LW6A. Specially designed to prevent venting of liquids and gasses during normal operations and adjustments. Check Valve.

Example: Pre-loaded check valve that is in the secondary flow for a filter and that permits unfiltered medium to bypass the filter element if a stipulated pressure difference is reached in the filter (Figure B 27) . Browse a variety of top brands in Adjustable Flow Valves such as Hydroworks, Brand Hydraulics, and Dynamic from the product experts. Hydraulic Bypass Relief Valves From Albany Pump Company Ltd. USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 - sales@metexcorporation.com 2. level 2. cprice1987. Hydraulic pressure relief valve, sequence valve, counter-balance valve and pressure reducing valve are the different types. Per Page. A Quick Guide to the Basics of Hydraulic Relief Valves and Filters. Four-way c. Needle d. Directional control. TH Series Thermal Bypass Valves are used to modulate fluid temperature by shifting return line flow through the cooler, or bypassing it directly to the reservoir. a bypass check valve to prevent damage in the event the element becomes plugged with contamination.

An electrically actuated bypass valve is fluidly connected and in communication between an outlet check valve and a fluid working chamber of each piston such Hydraulic butterfly check valve, hydraulic check valve, with counterweight and hydraulic station. used primarily in hydraulic systems to eliminate potential damage caused by fluid back pressure. Product Family. 11.2.2.4 Quick Start After Full Load (or Partial Load) Rejection. The major elements of a turbine bypass system are turbine bypass valves, turbine bypass water control valves, and the electro-hydraulic system. Order) Learn more. Clear Lake, MN Custom Manufacturer*, Manufacturer $1 - 4.9 Mil 1969 10-49. Balanced spools are select-fit for minimum leakage and load holding checks prevent load drop when shifting.

Most of the return oil flows through bypass check valve (24), return line (33) and return filter (19) to hydraulic tank (25).

Description: is possible up to approx. to 0.250 in. Hydraulic Pump Bypass Valve will sometimes glitch and take you a long time to try different solutions. Item Information. 1. These pressure reducing valves feature a override compensation i.e. Flow Rate: Up to 150 gpm. Service life. Swapan Basu, Ajay Kumar Debnath, in Power Plant Instrumentation and Control Handbook (Second Edition), 2019. The sliding piston concept and internal design contours of FULFLO valves provide unique flow and stability characteristic for reliable performance without chatter. Bypass valve Valve that is in parallel with a hydraulic unit and that permits the pressure fluid to bypass this unit under certain circumstances. This serves to drop the system pressure, while still passing sufficient flow to maintain HRSG superheater and reheater section cooling. Flexibility and total system performance. B PERFORMING OPERATIONS; TRANSPORTING; B60 VEHICLES IN GENERAL; B60G VEHICLE SUSPENSION ARRANGEMENTS; B60G21/00 Interconnection systems for two or more resiliently Customer Care 1-800-222-5381. Connections.

A hydraulic power unit having a power shaft that rotates a cam. With a three-port design, these valves allow inline flow from the inlet to the outlet during normal conditions and divert flow through the relief port in overpressure conditions. Hydraulic Bypass Valves. In contrast to the full flow priority valves, the full pump flow The noise was better, but still very present. A thermal bypass valve is necessary for hydraulic circuits that require fast warm-up, controlled fluid temperature, and low return line backpressure. Check valves are required at the pump discharge lines to automatically prevent the backflow of descale water from the active pump units into a standby pump or a pump in the bypass mode.

Bypass valve Valve that is in parallel with a hydraulic unit and that permits the pressure fluid to bypass this unit under certain circumstances.

Hydraulic Bypass Relief Valve HYDRAULIC BYPASS RELIEF VALVES FOR OPTIMAL PERFORMANCE Hydraulic Bypass Relief Valves help limit your hydraulic systems pressure to whatever set level you desire. Hydraulic Brake Release Valve, Flangeable to Danfoss Motors, VSBF 1/2"" OMS. FV-Series Hydraulic Bypass Relief Valves. The directional control valve is used to pass on the pressure medium (i.e. Hydraulic By-pass (bypass) block for a Farmall Cub. Different valves function in different ways. For diverting applications, the M/D operates as a thermal bypass valve (TBV) to modulate inlet fluid temperature and divert return flow based on temperature. The priority valve works in the same way as a 3-way flow control valve. Additionally, an integral pressure relief function automatically releases excess pressure to the reservoir if the cooler becomes restricted, and the inlet pressure becomes excessive.

patents-wipo. Blocking a port c. Placing the spring on the other end A _____ valve is a two-way valve with an external valve with an external drain and is usually provided with a bypass check valve. Double Pilot Operated Hydraulic Check Valve, NPT Ports, 11 GPM. Check valves permit free flow in one direction and block flow in the opposite direction.

The duty of the bypass system calls for an immediate opening of the bypass control valves in the case of a partial- or full-load rejection. FULFLO valves operate effectively with all types of liquids Fer starters, go back and read watatrp's post. Faulty pumps, system breaches or temperature issues often cause both types of contamination. RVP is mainly used at pump ends as back pressure valve and bypass valve. Design standard: BS EN593. The valves on this part of the system act as steam dump valves . Quality. Pressure-Reducing-Relieving Valve with Bypass Check Valve. Size Range: 3/8 2. The Cross series directional valves provide optimum versatility due to the many standard and optional features.

TH Series Thermal Bypass Valves are used to modulate fluid temperature by shifting return line flow through the cooler, or bypassing it directly to the reservoir. If the bypass check valve's cracking pressure is 5psi, and you've got enough filter restriction to exceed a 5psi drop, the bypass valve opens enough to limit the pressure drop across suction filter to 5psi. Check valves are used for a wide range of different functions.

What you loosened up were probably the check valves/press. The bypass vavle used with the new style filters is part number 386121R92.

Our TBVs can monitor and control any system-critical fluid, including coolant, glycol, oil, hydraulic fluid, water, air, and more.

Once the set level is reached, the relief valve then feeds the excess flow from your hydraulic system back to the tank. That was last year. Example: Pre-loaded check valve that is in the secondary flow for a filter and that permits unfiltered medium to bypass the filter element if a stipulated pressure difference is reached in the filter (Figure B 27). Buy in monthly payments with Affirm on orders over $50. The remainder of the oil flows through inlet line (29) to the hydraulic oil cooler. Supplier: ThermOmegaTech. 30% of Qmax . Flange V1 and V2 to the motor, connect the other side of V1 and V2 to the supply and connect the 1/4"" port to the motor brake. The hydraulic bypass valve in the system connecting your front and rear brakes diverts the brake fluid to the rear brakes if theres loss of pressure, so you can still stop your car. The bypass valve is triggered by a spring-loaded mechanism that opens when fluid pressure becomes too high or too low, Winter says. relief valves. Help; Sales 1-800-221-0516. Transmission fluid - Kubota UDT2 Super Universal Trans- Hydraulic FluidKubota. #4. $ 74.95.

3/8 NPTF ports". Cost-effectiveness. Hydraulic Valves - Thermostatic Mixing/Diverting Valve -- M/D. Temperature control is the critical element for optimal system performance. API 520 & 614 Approved. Valve Actuation. Functions : Low pressure relief valve. The hose is nice, I could have had it made locel. Newer machines have a metal rod that you move in or out from the rear of the machine. This filter requires a different filter cover or a cover spacer. Request a Quote At Hunt Valve, our check valves are built with hardened seats to withstand the frequency of operation without failure. Find a complete line of Hydraulic Valves at Precision Fluid Power. Find our wide offer of solutions on Hydraulic Bypass Valves going up to 350bar (5000 psi) and with 24 VDC solenoid. Deceleration. Hydraulic Pressure Control Valves. Safety.

Circuit diagrams enable the reader to identify the valve type and function and in certain cases, their locations relating to other components. Check valves allow free flow in one direction and block flow in the opposite direction, Comatrol product range consists of Standard Check Valves, Reverse Flow Check Valves, Slip-In Check Valves, Inline Check Valves. Condition: New New. A reducing-relieving valve has a full-flow line to tank with an integral relief valve.

One end of the valve is sealed tightly. Standard with screw connections, standard with flange connections, stainless steel with screw connections, handwheel with screw connections and handwheel with flange connections are available to be purchased. Pennsylvania.

HDS valves limit the delivery pressure of circulation pumps and ensure a minimum flow in the boiler circuit. NEW COMPLETE HYDRAULIC PUMP REBUILD KIT for IH Farmall CUB or Cub LoBoy Tractor. Main Features. Quiet, stable, efficient performance is assured in both load regulation and system protection applications. Fluids that are too hot can cause reduced fluid viscosity, internal leakage, pump cavitation, and eventual component failure. A lot of hydraulic problems are caused by blocked filters and in turn jammed or broken filter bypass valves. A check valve allows flow in one direction, but blocks the flow in the opposite direction.

Check valve RVP comes with cone valve structure, which allows fluid to pass through it in only one direction, with adverse flow not allowed. INC VAT. 3. Hydraulic 4/2 DCVs are often used as 3/2 DCVs by_____. We can trace most hydraulic issues back to a few common causes, listed below. It was an air lock and low fluid (hence the lock). A check valve is the simplest type of directional control valve used in hydraulic systems. (Most hydraulic valves bodies on the return side can not handle a working hydraulic load and are limited to <750psi - With hydraulic bypass/pressure relief valves usually set above 2000psi (1023/5 are ~2100PSI and 2032/8 are ~2500PSI for example) this "backpressure" will damage those valves. Figure shows the graphical symbol of a check valve along with its no-flow and free-flow directions. 1. Internal Parts: Hardened and ground steel. Please "Thumbs up" this video and help us reach our 10000 SUBSCRIBERS GOAL!!! NPT port & 1 1/2 gpm, 5 gpm & 10 gpm flow rate. Compact combination valve product portfolio. Career Opportunities. Additionally, an integral pressure relief function automatically releases excess pressure to the reservoir if the cooler becomes restricted, and the inlet pressure becomes excessive. High press, high flow 1/4-3" Npt Piston-operated pressure regulator and bypass valve 1/4"-3" NPT THD (see also ANSI Back Pressure Valve Flanged models, BPS05-150 FLG, BPS05-300 FLG, BPS05-600 FLG) Bypass valve controls pressures from 30 PSI to 5000 PSI (340 Bar) (see table below) Stainless steel, brass, and various exotic alloys Select size VIEW 8171 Yonge Street Thornhill, Ontario L3T 2C6. LoginAsk is here to help you access Hydraulic Pump Bypass Valve quickly and handle each specific case you encounter. Specifications of hydraulic valves include 0.160 in. The directional control valves can start, stop, and control the direction of the flow. Logic for load-sensing circuits.

All positional valves need to be actuated to perform a function. Qty: $61.05.

1 watched in last 24 hours. (Both when the levers were being activated and at restor at engine idle) My first task after getting the tractor was to drain all fluids and fill with fresh. MSRP: $ 99.95. These Hydraulic Bypass Valves can work with pumps from 17cc/rot up to 135cc/rot (piston pumps). Hydraulic By-pass (bypass) block for a Farmall Cub. Check valve RVP comes with cone valve structure, which allows fluid to pass through it in only one direction, with adverse flow not allowed. HYDAC looks back on decades of experience in valve technology. In hydraulics, flow control valves are used to control the volume of oil supplied to different parts within a hydraulic system. john Usually choose 32 oil, 40 C. RVP is mainly used at pump ends as back pressure valve and bypass valve. Normally, the piston remains closed and the fluid flows normally while there is equal pressure in the inlet and outlet of the spring. A basic directional control valve generally consists of a body, spool, spring, and a lever. 75.

To enable engineers to communicate and understand the circuitry associated with hydraulic systems there is an International Standard for hydraulic symbols ISO1219/1 2006.

Hydraulic Check Valve Testing Preparation Connect the X-Y recorder: Flow qv7 is input as the X-axis, pressure difference p5a-p5b or pressure p5a as Y-axis. 1. Our impressive range, which includes hydraulic pressure control valves in various. Valves. As a result of the high pressure of the return oil, bypass check valve (24) opens. Hydraulic valves are mechanical equipment for controlling the flow of fluid in hydraulic pipes or systems. This video is about Hydraulic Bypass check valves in fluid power circuit. Buuuuuut, now a new problem. The bypass control systems open the bypass valves to the same Hydraulic manifold controls the pressure in hydraulic system. Parallel flow path permits spools to be operated independently or simultaneously. Rexroth DZ of DZ10,DZ20,DZ30 hydraulic pilot operated sequence control valve,unloader valves,bypass control valves. Pretty much look/located per watatrp's post.

Half of the break is old and dark and the rest of course is bright and crisp. Check valves are used for a wide range of different functions. UP TO 350bar (5000 psi) FULFLO Hydraulic Bypass Relief Valves. Hydraulic manifold achieves various function by different valves mounted. Equilibar precision pressure bypass valve shown in 1/2 size with computer automated pilot regulator on top Pressure bypass regulator controlling pressure at the discharge of a pump. Face to face length : EN558-1/ISO5752 series 14 (DIN3202 F4) Flange dimension and drilling : EN1092/ISO5752 (DIN2501), or other as request. Valve is spring loaded and direct acting. This enables little pressure loss. They are used either to open or to close a path for flow in a single line. NEW COMPLETE HYDRAULIC PUMP REBUILD KIT for IH Farmall CUB or Cub LoBoy Tractor. Sun Celebrates 50 Years of Fluid Power Innovation.

A Bypass-Relief-Valve (BPRV) is included in all current oil filtering systems to prevent extra oil usage if and when the filter becomes blocked. I don't know specifically on that machine, however there should be a either a flip lever on the hydro motors or a big nut with a nipple in the middle that you press down or loosen the nut. Power Team 9623 Pressure Relief Valve For Hydraulic Circuit. Hydraulic valves can be used to control the flow of fluid in a circuit as well as the quantity of fluid power. They also avoid annoying flow noise caused by excessive differential pressure.

The type of check valve will vary with different equipment and flow rates. You shouldn't mess with them at all, period. It is widely seen on industrial equipment. Item Number: 9-PD12-42-0-N-110 1 In Stock. Check valve functions include: Only allowing flow in one direction. Choose amongst an abundance of options to find the right tool needed for your project. When the outlet pressure tries to go higher (due to high temperatures or outside sources), it relieves fluid to the tank. 2 yr. ago. Hydraulic Check Valve. Suitable for continuous duty. The hydraulic opening operation for free flow in reverse direction is achieved by means of internal pilot pressure available from the other working port. 3/8 NPT 8 GPM Brand Hydraulics PC37C Pilot-Op Check Valve. 416-580-8194 Item Information. possible to create energy-saving hydraulic systems. Shop here for hydraulic ball valves with your choice of standard and lockable handles, hard-seat and soft-seat pressure control valves and much more. Join Our Mailing List Become a HydraForce Distributor Provide Feedback on Our New Website U.S. Headquarters U.S. Headquarters . Chatter-free operation. Hydraulic Bypass Relief Valves. Mount in any position. patents-wipo. Bypass for filter elements. Fulflo Specialties, Inc.s hydraulic valves are relied on in oil and gas refining, pump and systems protection, industrial process, and military applications such as ships and aircraft carriers, as well as on compressor systems and lubrication skids. Customer specified bypass orifice diameters from .016 to .354 in (0,4 9 mm), depending on frame size. In a hydraulic circuit maximum pressure requirements are less than basic overload valve setting in pump. Air and Water Contamination. Unlike ordinary direct acting relief valves, FULFLO guided piston valves are less responsive to transient pressure surges thereby eliminating the tendency to pound, squeal or chatter. They ain't pressure relief valves, they are bypass valves, some call 'em dump valves. Pressure relief valves 56 and 57 are also included at the outlet of the shuttle valve 46 and in parallel with the charge pump 30 to ensure that the hydraulic system 10 does not overload.

Allow the oil temperature to reach the predetermined value.

Number of flow paths. Application: Hydraulic manifold as relief valve. Size. Pressures: 2 1000 psi. A check valve (11) which prevents the return flow from the outflow side to the inflow side (5, 4) and therefore enables a purely pressure-induced return of the piston (7) is arranged in the bypass channel (8). A filter with bypass should never be used without an effective visual clogging display. Three Port Check Valve Cartridges CX*C and CX*E Sun CX*C nose-to-side free flow and CX*E side-to -nose free flow cheater check valves have similar performance characteristics to CX*A and CX*D cartridges, respectively.