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HAYWARD PRESSURE & FLOW CONTROL VALVES
Air Release Valves, Calibration Cylinders, Injection Valves/Quills, Back Pressure Valves, Pressure Relief Valves, Diaphragm Valves, Needle Valves, Angle Globe Valves, Stopcocks, and Solenoid Valves.
- AR SERIES AIR RELEASE VALVES
- CCS SERIES CALIBRATION CYLINDERS
- PBV SERIES BACK PRESSURE VALVES
- PR PRESSURE REGULATOR VALVES
- RPV SERIES PRESSURE RELIEF VALVES
- RV PRESSURE RELIEF VALVES
- DAB SERIES DIAPHRAGM VALVES
- NVA SERIES NEEDLE VALVES
- AV SERIES ANGLE VALVES
- LC UNIVERSAL STOPCOCK
- SV SERIES SOLENOID VALVES
Features
- PVC or CPVC Body with PP Ball
- Reliable Tank Air Venting
- Prevents Tank Overflow
- Hollow, Floating Ball Design
- Closes at 0 PSI
- FPM or EPDM Seals
- Standard Screen
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- PP per ASTM D4101
How The AR Series Air Release Valve Works
Air Release valves featuring FPM seals in a 3/4 inch size. Made of PVC with a PP ball for attachment to a 3/4 inch threaded pipe, ensuring effortless installation onto a tank.
Features
- NPT connections - 1/2" through 1"
- High Contrast Graduation Markings
- Direct GPH and mL readout
- Clear Easy-View Tube
- Sealed Top with Overflow Connection (Vent)
- Pressure rated to 15 psi @ 70°F / 1.03 Bar at 21°C
Material Classes
- PVC Cell Class 12454 per ASTM D1784
How The CCS Series Calibration Cylinders Works
The CCS Series Calibration Cylinders improve the efficiency of a chemical feed system by offering flow rate verification through direct mL and GPH readings. They come with a sealed top and an overflow connection for added convenience.
Features
- Available in PVC, CPVC, PP or PVDF Body with Noryl™ Molded Dome
- PTFE/EPDM Diaphragm
- Spring: 10 - 150 psi (Spring pre-set: 50 psi)
- 304 Stainless Steel Bolting
- FNPT Threads
- Anti-Siphon Function
- Adjustment Screw with Slot
- PVC, CPVC and PVDF rated to 250 psi @ 70°F / 17.2 Bar at 21°C, PP rated to 150 psi @ 70°F / 10 Bar at 21°C
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- PP per ASTM D4101
- Natural PVDF per ASTM D3222 Type 1
How The PBV Series Back Pressure Valve Works
The Hayward PBV Series Back Pressure Valves boost the efficiency of Chemical Feed systems by maintaining steady back pressure on metering pumps, ensuring consistent delivery. Additionally, the PBV Series includes an Anti-Siphon feature. Available in sizes ranging from 1/4 to 4 inches, with wetted bodies in PVC, CPVC, PP, and PVDF materials. The factory-set pressure is 50 psi but can be easily adjusted in the field between 10 and 150 psi (other pressure ranges are available upon request).
Features
- Available in PVC and CPVC
- Hand Adjustable, No Tools Needed
- Integrally Molded Threaded Gauge Port
- Regulates from 5 to 75 PSI
- Prevents Downstream Pressure from Exceeding the Set Pressure
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- FPM O-Ring Seals
How The PR Pressure Regulator Valve Works
Piston-style Pressure Regulators, perfect for handling high-viscosity fluids. Offered in sizes ranging from 1/4 inch to 1-1/2 inches, in PVC or CPVC, with options for threaded or flanged ends. Metric threads are also available upon request. Equipped with standard FPM Seals and adjustable within the range of 5 to 75 psi. Optional EPDM Seals are also available.
Features
- Available in PVC, CPVC, PP or PVDF Body with Noryl™ Molded Dome
- PTFE/EPDM Diaphragm
- Spring: 10 - 150 psi (Spring pre-set: 50 psi)
- 304 Stainless Steel Bolting
- FNPT Threads
- Adjustment Screw with Slot
- PVC, CPVC and PVDF rated to 250 psi @ 70°F / 17.2 Bar at 21°C, PP rated to 150 psi @ 70°F / 10 Bar at 21°C
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- PP per ASTM D4101
- Natural PVDF per ASTM D3222 Type 2
How The RPV Series Pressure Relief Valve Works
The Hayward RPV Series Pressure Relief valves safeguard sensitive process equipment against over-pressure scenarios, ensuring the maintenance of the desired operating pressure. These valves are offered in sizes ranging from 1/4 to 4 inches, featuring wetted bodies made of PVC, CPVC, PP, and PVDF materials. The factory-set pressure of 50 psi can be readily adjusted in the field, spanning from 10 to 150 psi (alternative pressure ranges are available upon request).
Features
- Available in PVC and CPVC
- Hand Adjustable, No Tools Needed
- Integrally Molded Threaded Gauge Port
- Pressure Relief from 5 PSI to 75 PSI
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- FPM and EPDM O-Ring Seals
How The RV Pressure Relief Valve Works
Piston-style Pressure Relief valves, designed specifically for high-viscosity fluids. Offered in sizes ranging from 1/2 inch to 2 inches, in PVC or CPVC, with options for threaded or flanged ends. Metric threads can be provided upon request. Customers have the choice between FPM or EPDM Seals. These valves are adjustable within the range of 5 to 75 psi.
Features
- Available in PVC and CPVC
- Position Indicator
- Sure-Grip Handwheel
- Choice of FPM, EPDM or PTFE Diaphragms
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- FPM, EPDM and PTFE O-Ring Seals
How The DAB Series Diaphragm Valve Works
The DAB Series Diaphragm Valves come in sizes ranging from 1/2 inch to 6 inches, crafted from PVC and CPVC materials. End connections can be either true-union socket or threaded and flanged ends. All models in the DAB Series are equipped with a prominent beacon indicator for easy visibility. Diaphragm materials include EPDM, FPM, and PTFE, with the option of a PVDF vapor barrier upon request for EPDM and PTFE diaphragms. Additionally, pneumatic actuation is available for the DAB Series.
Features
- Available in PVC, CPVC, GFPP and PVDF
- Integrated Stem/PTFE Seat Design
- Flanges for Panel Mounting
- NPT Threaded Ends
- Accurate Flow Control
- Fine Pitch Stem Threads for Precise Adjustment
- Adjust Flow Rates Down to Drops per Minute
- Ideal for Metering Flow
Material Classes
- Heavy Duty FPM O-Ring Seals
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- GFPP per ASTM D4101
- PVDF
How The NVA Series Needle Valve Works
Crafted from PVC, CPVC, GFPP, and PVDF materials, the NVA Series boasts exceptional construction. Featuring an integrated stem with a PTFE seat, these valves offer superior control, purity, and performance. Available in sizes ranging from 1/4 inch (DN8) to 1/2 inch (DN10), with standard FPM Seals. Each valve is rated at 150 psi / 10 bar Non-Shock at 70°F.
Features
- Available in PVC and CPVC
- Space Saving Angle Design
- Fine Pitch Stem Threads for Precision Adjustment
- Perfect for Throttling and Changing Flow Direction
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- FPM O-Ring Seals
How The AV Series Angle Valve Works
Offered in sizes ranging from 1/4 inch to 2 inches, equipped with FPM Seals and NPT threaded ends, these valves feature a construction entirely made of PVC. They are excellently suited for tasks such as throttling, altering flow direction, or facilitating venting.
Features
- Available in Industrial Grade PVC
- Six End Connections in One Package
- Ideal for Laboratory Service
- Fine Control of Flow
- Superior Sealing Design
- EPDM Seat and Seals Standard
- Hex Wrench Included for End Connection Installation
- NSF / ANSI 61 and NSF / ANSI 372 Listed
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- EPDM O-Ring Seals
How The LC Universal Stopcock Works
The Universal Stopcock™ is equipped with EPDM Seals and comes with all the required end connections to create six distinct end combinations. It is crafted from PVC material and is available in a 1/4 inch size. The potential combinations of end connections include FPTxFPT, FPT x MPT, FPT x Hose, MPT x MPT, MPT x Hose, and Hose x Hose.
Features
- Available in PVC, CPVC and PVDF
- Corrosion-Resistant Polyester Coil
- No Pressure Differential Required for Operation
- Both 1/2" Conduit or SJ-Type Cord Electrical Connection
- 120 VAC Standard
- Normally Closed Design
Material Classes
- PVC Cell Class 12454 per ASTM D1784
- CPVC Cell Class 23447 per ASTM D1784
- Natural PVDF per ASTM D3222 Type 1
- FPM and EPDM O-Ring Seals
How The SV Series Solenoid Valve Works
The SV Series solenoid valves come in PVC, CPVC, or PVDF constructions, with seals available in FPM or EPDM. All sizes feature both socket and threaded end connections. The standard voltage is 120 VAC, with optional voltages of 12 or 24 VAC/VDC, or 220VAC available upon request. These valves operate on a normally closed configuration only.
