Chemtrol PVC Chemcock Valves Hayward Universal … · KNOB POSITION 1 2 3 4 5 6 7 8 FLOW RATE (GPM @50 PSI) ... flow design and the 1½” to 2” is an offset port flow design. ...

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SPECIALTY VALVES

Calibrated Needle ValvesThe Chemtrol calibrated needle valve is ideally suited to the fine regulation of liquid flow required in instrumentation and laboratory work. The flow through the 1/4” valve can be accurately adjusted by observing the knob handle exposing numerals molded on the valve body. It has a positive stop for safe operation and Teflon seats to prevent wear on needle

KNOB POSITION 1 2 3 4 5 6 7 8FLOW RATE

(GPM @50 PSI) 0.85 1.41 1.79 2.15 2.42 3.15 4.40 4.50

T45CN-V 1/4" FPT x 1/4" FPT

Chemtrol PVC Chemcock ValvesThe Chemtrol chemcock valve is ideal for laboratories, monitoring systems, sampling, and a variety of other applications as original equipment. Its calculated fluid flow coefficient (Cv) is based on the laying length being equivalent to 1/4” Schedule 80 pipe. It opens and closes with only a quarter turn. These valves come complete with replaceable FPM O-ring seats and seals and exhibits no sticking or galling. It is rated at 150 psi at 73.4°F(23°C) water –non-shock–full port.

PART # DESCRIPTIONA45CC-V 1/4" Hose x 1/4" MPTM45CC-V 1/4" MPT x 1/4" MPT

Hayward Universal StopcocksFor on/off, restricted flow or sampling applications, the Hayward LC12 StopCock is easily adaptable to any piping connection. Furnished with the valve is a 1/4˝ NPT female pipe thread, 1/4˝ NPT male pipe thread and hose barb end connectors for 1/4˝ through 7/16˝ I.D. tubing. These allow the valve to be fitted with up to six different end connection combinations. Simply attach the end connections you need – they are all supplied with each valve.

Y Pattern ValvesThe Chemtrol Y-pattern globe valve exhibits minimal pressure-drop, even when compared with a conventional upright style globe valve. Therefore, it is an excellent choice for combination on-off and throttling applications. One of the more common applications for this valve is as a pump by-pass control valve. It features malleable glass reinforced PTFE (Teflon) seat disk ensuring long-lasting positive sealing and is constructed of PVC and FPM seals. The stub acme thread on stem provides rapid open-close operation.

SIZE 1/4" 1/2" 3/4" 1"PART # 2151204 2151207 2151208 2151209

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SPECIALTY VALVES & ASSEMBLIES

Angle ValvesThe Chemtrol Angle Valve is used where a higher pressure-drop is desirable. One of its more common applications is as a pump by-pass control valve. It features malleable glass reinforced PTFE (Teflon) seat disk ensuring long-lasting positive sealing and is constructed of PVC and FPM seals. The stub acme thread on stem provides rapid open-close operation.

SIZE 1/4" 1/2" 3/4" 1"

PART # 2151804 2151807 2151808 2151809

PVC Globe ValvesThis PVC Globe Valve is heavy duty, extra strong, and is ideal for throttling applications. They are slow closing reducing the likelyhood of water hammer. They are available in sizes ranging from 2 1/2” to 6” in PVC and CPVC with flanged ends. All valves are assembled with silicone-free, water soluble lubricant and are suitable for vacuum service.

PVC FLANGED ENDS CPVC FLANGED ENDS SIZE BUNA-N EPDM VITON® EPDM VITON® VITON®2 1/2" 6013-025 6023-025 6033-025 6023-025C 6033-025C 2032-005

3" 6013-030 6023-030 6033-030 6023-030C 6033-030C 2032-0074" 6013-040 6023-040 6033-040 6023-040C 6033-040C 2032-0106" 6013-060 6023-060 6033-060 6023-060C 6033-060C 2032-012

Notes:• Maximum pressure rating of 150 psi

for PVC and CPVC.

Liquid Dispensing AssembliesLiquid dispensing assemblies are ideal for distilled, deionized and demineralized water, as well as chemical dispensing. They are available in PVC, Natural PP and PVDF. All tips accept 1/8” to 1/2” I.D. tubing. They are frequently used in labs, hospitals, and clean rooms.

PART # TYPE MATERIAL VALVEFC-DA-15D 15 PVC NEEDLEFC-DA-15W 15 PVC NEEDLEFC-PDA-15D 15 PP NEEDLEFC-PDA-15W 15 PP NEEDLEFC-KDA-15D 15 PVDF NEEDLEFC-KDA-15W 15 PVDF NEEDLEFC-DA-20D 20 PVC BALLFC-DA-20W 20 PVC BALLFC-DA-30D 30 PVC SNAPFC-DA-30W 30 PVC SNAPFC-PDA-30D 30 PP SNAPFC-PDA-30W 30 PP SNAPFC-KDA-30D 30 PVDF SNAP

PART # TYPE VALVEFC-DA-35D 35 T.U. BALLFC-DA-35W 35 T.U. BALLFC-PDA-35D 35 T.U. BALLFC-PDA-35W 35 T.U. BALLFC-KDA-35D 35 T.U. BALLFC-KDA-35W 35 T.U. BALL

SIZE 1/2" 3/4" 1"PVC FC-FOV-50 FC-FOV-75 FC-FOV-10PP FC-PFOV-50 FC-PFOV-75 FC-PFOV-10

Foot Operated ValvesThe foot operated valve features a Kynar coated spring, Viton O-rings (EPDM available), mounting holes, molded body, and an automatic shut-off. It is extremely easy to mount and comes in a normally closed position. The valve is opened by pushing the top with your foot and allowing the spring to close it.

• Temperature rated to 140 °F for PVC and 200 °F for CPVC.

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PRESSURE CONTROL VALVES

Pressure RegulatorsThe pressure regulator comes in two different configurations; ½” to 1” is a straight thru flow design and the 1½” to 2” is an offset port flow design. They both feature a top entry adjustment knob with lock nut, Viton O-rings (EPDM available on request), Kynar covered stainless springs. It will operate with inlet pressures of up to 100 PSI and is adjustable from 10 psi to 80 psi. It is designed to reduce and stabilize line pressure.

SIZE 1/2" 3/4" 1" 1-1/2" 2"PVC FC-PR-50 FC-PR-75 FC-PR-10 FC-PR-15 FC-PR-20PP FC-PPR-50 FC-PPR-75 FC-PPR-10 FC-PPR-15 FC-PPR-20

PVDF FC-KPR-50 FC-KPR-75 FC-KPR-10 - -

Pressure Relief ValvesThese adjustable pressure relief valves are available in PVC and PVDF in two different body styles. They feature Viton O-rings for durability and easy adjustment. All models are designed to prevent excessive line pressure.

PART # SIZE RANGE MATERIALFC-MPR-25-1 1/4" 10-80 PSI PVCFC-MPR-25-2 1/4" 60-120 PSI PVCFC-MPR-50-3 1/2" 10-120 PSI PVCFC-MPR-75 3/4" 10-100 PSI PVC

SIZE 1/2" 3/4" 1" 1-1/2" 2"PVC FC-P-50 FC-P-75 FC-P-10 FC-P-15 FC-P-20PP FC-PYP-50 FC-PYP-75 FC-PYP-10 FC-PYP-15 FC-PYP-20

PVDF FC-KP-50 FC-KP-75 FC-KP-10 - -

Pressure By-Pass ValvesThese pressure by-pass valve will bypass excess fluid or air whenever the pressure you set with the handle is exceeded. This valve can be controlled from 10 through 100 PSI. Our pressure by-pass valve will permit straight through flow if mounted in a straight line. These valves feature Viton O-rings and adjustment knob and lock nut.

+GF+ V786 Pressure Retaining ValveThe Pressure Retaining Valve serves to keep the working or system related pressures constant, to balance out pressure pulsation, and to reduce pressure peaks in chemical process systems. If the inlet pressure rises above the set value, the pressurized valve piston is lifted against the spring force. Consequently, the valve opens and there is a reduction of pressure through the outlet pipe. The valve closes as soon as the inlet pressure sinks below the pre-set spring tension. The use of PRVs in upstream (supply side) UPW applications without a point-of-use filter should be avoided. However, it should be noted that sufficient flow is needed to avoid microbial contamination.

INCH MATERIAL SET RANGE

BODY TYPE

EPDM SEATS

PTFE SEATS

1/2 PVC 7-150 786 199 041 806

199 041 817

3/4 PVC 7-150 786 199 041 807

199 041 818

1 PVC 7-150 786 199 041 808

199 041 819

1 1/4 PVC 7-150 786 199 041 809

199 041 820

1 1/2 PVC 7-150 786 199 041 810

199 041 821

Notes:• Provides highly accurate and stable pressure control. • Size range 1/2” - 1 1/2”. • Available in PVC, PP and PVDF. • Diaphragms in EPDM or PTFE. • Female NPT is standard. Also available with IR/BCF,

socket union and flanged end connections.• Spare parts are available for these valves. Contact

customer service for more information.

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+GF+ V185/V85 Pressure Relief ValvesThe Pressure Relief Valve serves to keep the working or system pressures constant, to balance out pressure pulsation, and to reduce pressure peaks in process systems. The third pipe spigot fitted on the valve body means the valve can be installed directly in the main pipeline. If the inlet pressure rises above the set value, the pressurized valve piston is lifted against the spring force. Consequently, the valve opens and there is a reduction of pressure in the outlet pipe. The excess pressure can exhaust or be redirected via the third outlet. The valve closes as soon as the inlet pressure sinks below the pre-set spring tension. The use of PRVs in upstream (supply side) UPW applications without a point-of-use filter should be avoided. However, it should be noted that sufficient flow is needed to avoid microbial contamination. It provides highly accurate and stable pressure control .

INCH MATERIAL SET RANGE BODY TYPE EPDM ORINGS PTFE ORINGS1/2 PVC 7-150 185 199 041 541 199 041 548 3/4 PVC 7-150 185 199 041 542 199 041 549 1 PVC 7-150 185 199 041 543 199 041 550

1 1/4 PVC 7-150 185 199 041 544 199 041 551 1 1/2 PVC 7-150 185 199 041 545 199 041 552

2 PVC 7-150 185 199 041 546 199 041 553 2½ PVC 14-90 85 199 041 785 199 041 788 3 PVC 14-90 85 199 041 786 199 041 789 4 PVC 14-60 85 199 041 787 199 041 790

Notes:• Size range 3/8” - 4”.• Available in PVC, PP and PVDF. • Diaphragms in EPDM or PTFE. • Female NPT is standard. Also available with IR/BCF, socket union and flanged end connections. • Spare parts are available for these valves. Contact customer service for more information.

Notes:• Size range 1/2” - 1 1/2” • Available in PVC, PP and PVDF • Diaphragms in EPDM or PTFE • Female NPT is standard. Also available with IR/BCF, socket union and flanged end connections• Spare parts are available for these valves. Contact customer service for more information.

+GF+ V782 Pressure Reducing ValveThe Pressure Reducing Valve reduces the pressure within the system to a pre-set value. By using the differential pressure, the pressure reducing valve adjusts itself to the set working pressure. The outlet pressure (working pressure) is not directly related to the inlet pressure. If the outlet pressure increases or decreases above/below the desired value, the diaphragm is lifted against the spring force or pressed down by the spring force, as the case may be, by the outlet pressure. The pressure reducing valve begins to close/open until a state of equilibrium is re-established; in other words, the outlet pressure remains constant irrespective of an increasing or decreasing inlet pressure. The use of PRVs in upstream (supply side) UPW applications without a point-of-use filter should be avoided. However, it should be noted that sufficient flow is needed to avoid microbial contamination. It provides highly accurate and stable pressure control

INCH MATERIAL SET RANGE BODY TYPE EPDM ORINGS PTFE ORINGS1/2 PVC 7-150 782 199 041 572 199 041 584 3/4 PVC 7-150 782 199 041 573 199 041 585 1 PVC 7-150 782 199 041 574 199 041 586

1 1/4 PVC 7-150 782 199 041 575 199 041 587 1 1/2 PVC 7-150 782 199 041 576 199 041 588

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+GF+ V182/V82 Pressure Regulating Valves

INCH MATERIAL SET RANGE BODY TYPE EPDM ORINGS FPM ORING PTFE DIAPHRAGM 1/2 PVC 7-150 182 199 041 745 199 041 750 - 3/4 PVC 7-150 182 199 041 746 199 041 751 - 1 PVC 7-150 182 199 041 747 199 041 752 -

1 1/4 PVC 7-150 182 199 041 748 199 041 753 - 1 1/2 PVC 7-150 182 199 041 749 199 041 754 -

2 PVC 7-150 82 199 041 307 - 199 041 308 2 1/2 PVC 14-90 82 199 041 773 - 199 041 776

3 PVC 14-90 82 199 041 774 - 199 041 777 4 PVC 14-60 82 199 041 775 - 199 041 778

INCH MATERIAL SET RANGE BODY TYPE EPDM ORINGS PTFE ORINGS 1/2 PVC 7-150 186 199 041 555 199 041 562 3/4 PVC 7-150 186 199 041 556 199 041 563 1 PVC 7-150 186 199 041 557 199 041 564

1 1/4 PVC 7-150 186 199 041 558 199 041 565 1 1/2 PVC 7-150 186 199 041 559 199 041 566

2 PVC 7-150 186 199 041 560 199 041 567 2 1/2 PVC 14-90 86 199 041 779 199 041 782

3 PVC 14-90 86 199 041 780 199 041 783 4 PVC 14-60 86 199 041 781 199 041 784

+GF+ V182/V82 Pressure Regulating Valves

The Pressure Regulating Valve reduces pressure to a given value. By utilizing the differential pressure, the valve sets itself to the set working pressure and maintains it on the downstream side, irrespective of fluctuations of inlet pressure or changes in flow. The valve is adjusted by a set screw and secured with a locknut. The use of PRVs in upstream (supply side) UPW applications without a point-of-use filter should be avoided. However, it should be noted that sufficient flow is needed to avoid microbial contamination. This valve provides highly accurate and stable pressure control.

The Pressure Retaining Valve serves to keep the working or system related pressures constant, to balance out pressure pulsation and to reduce pressure peaks in process systems. If the inlet pressure rises above the set value, the pressurized valve piston is lifted against the spring force. Consequently, the valve opens and there is a reduction of pressure through the outlet pipe. The valve closes as soon as the inlet pressure sinks below the pre-set spring tension. When used as a bypass, it can also function as a relief valve to reduce pressure peaks. The use of PRVs in upstream (supply side) UPW applications without a point-of-use filter should be avoided. However, it should be noted that sufficient flow is needed to avoid microbial contamination. It provides highly accurate and stable pressure control.

Notes:• Size range 1/2” - 4”. • Available in PVC, PP and PVDF. • Diaphragms in EPDM or PTFE for 2” and 4”, V82 design. • 1/2”-1 1/2” V182 body with piston and O-ring design. • Female NPT is standard. Also available with IR/BCF, socket union and flanged

end connections.• Spare parts are available for these valves. Contact customer service for

more information.

Notes:• Provides highly accurate and stable pressure control. • Size range 1/2” - 4”. • Available in PVC, PP and PVDF • Diaphragms in EPDM or PTFE. • Female NPT is standard. Also available with IR/BCF, socket union and flanged end connections. • Spare parts are available for these valves. Contact customer service for more information.

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PLAST-O-MATIC VALVES & CONTROLS

Blue Standard Imported ValvesThe Blue Standard line is Plast-O-Matic Valves’ solution for price sensitive thermoplastic valve requirements. If you currently specify imported or mass-produced plastic valves for water, corrosive or high purity applications, Blue Standard provides the same quality and performance levels, with the advantage of Plast-O-Matic technical services, testing and support.

• BALL VALVES• BUTTERFLY VALVES• BALL CHECKS• WEIR-TYPE DIAPHRAGM VALVES• LABCOCKS• Y STRAINERS

STANDARD BODY MATERIALSMost Plast-O-Matic products are available in Grade 1, Type 1 Geon® PVC, Corzan® CPVC, Kynar® PVDF, and Natural Unpigmented Polypropylene. Most products are also offered in PTFE, while molded products are available in Glass-filled Polypro and Halar® ECTFE. Other thermoplastics available, please consult FABCO.

SEAL MATERIALSElastomer seals include EPDM, FKM Viton®, FFKM, Aflas. Thermoplastic seals include PFA, TFM, and PTFE. Special and custom materials, including Kalrez®, Chemraz®, and custom formulations are quoted on request. Plast-O-Matic also offers a number of proprietary elastomers, including f 99® for 99% sulfuric applications, EPDMh2® for pinch valve applications, and others.

Body and Seal Materials

Pressure Relief, By-Pass & Anti-Siphon Valvesalso known as Backpressure Regulators

Series “RVDT” PTFE DIAPHRAGMPTFE diaphragm provides the ultimate in corrosion resistance, contamination-free sealing and all-around versatility. No wetted elastomers. Patented Fail Dry® safety feature. For water, highly aggressive and ultra-pure liquid applications. PVC, CPVC, Polypropylene, PVDF (Kynar®), PTFE. Sizes: 1/4" to 2".

Series “TRVDT” THREE-WAY VALVEThird port offers piping convenience for bypass applications. PTFE diaphragm provides the ultimate in corrosion resistance and contamination-free sealing. No wetted elastomers. Patented Fail Dry® safety feature. For highly aggressive and ultra-pure liquid applications. PVC, CPVC, Polypropylene, PVDF (Kynar®), PTFE. Sizes: 1/2" to 1".

Series “RVT” and “RVD” GRADUAL OPENINGPrevent over pressures, maintain back pressures or automatic by-pass in vessels and piping. Series RVDM (not shown) in-line pattern has a frictionless rolling diaphragm design for sensitive operation. Series RVT is an angle-pattern design. Settings from 5 to 100 PSI. Fail Dry®, 1/2" to 2". Series RVD angle pattern diaphragm design (not shown) 1/8" to 1/2" NPT, 50 to 150 PSI. Series RVTX offered in 3” NPT.

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Pressure Regulating Valves

Check Valves & Vacuum Breakers

Series “PRH”and Series “PRHM” PRESSURE REGULATORAccurately reduce and regulate steady or varying inlet pressures and maintain a constant predetermined maximum outlet set pressure. Recognized as the industry’s top performer for maximum flow with minimal drop-off from set pressure. Regulator setting from 5 to 125 PSI; some size/material combinations have less range. Sizes 1/4" to 3" in PVC, Natural Polypro and PVDF; 1/4" to 11/2" in CPVC and PTFE.

Series “PRD” Differential RegulatorRegulates pressure differential across filters, instruments, etc. to ensure that pressure going into the protected segment of the system does not exceed the output pressure. This valve minimizes pressure drop and improves performance while protecting the filters or instruments from overpressure. Sizes 1/4" to 3" in PVC, Natural Polypro, other materials on request.

5 to 125 PSI. Sizes 1/4" to 3". Used with the patented Stabilizer® Series PRS, the PRA will perform with virtually zero drop off from set pressure. Performance rivals exotic control valves but at much lower costs.

Series “PRA” AIR LOADED PRESSURE REGULATOR & Series “PRS” PRESSURE STABILIZER Outperforms spring loaded regulators through improved response to pressure changes; pressure is maintained without sacrificing flow. Incorporates the patented Fail Dry® safety feature. Regulator settings from specifications. PRH-U regulator setting from 10 to 125 PSI,

sizes 1/4” to 3”. UPR setting from 5 to 100 PSI, sizes 1/4” to 2”. Both PRH-U and UPR include choice of spigot types. Also include proprietary POM pre-assembly cleaning, 16 hour cold/hot rinse, and final Class 100 clean and double-bag procedure.

Series “PRH-U” and “UPR” ULTRA-PURE REGULATORSThe ultimate high purity pressure regulators. PRH-U features machined Kynar 740 body with metal ion-free EPDM elastomer and nonrising adjustment. UPR has convoluted TFM diaphragm and no external fasteners and is designed to meet SEMI F-57

guided poppet in 11/2", 2” and 3”. Both styles are normally-closed – no reverse pressure required. They operate silently, and seat in the same location every time. PVC, CPVC, Polypro, PVDF.

Series “VBM” and “VBS” VACUUM BREAKERSProtective vacuum breakers eliminate unwanted siphonage or collapsing of storage tanks. Sensitive molded diaphragm offers normally closed operation and will respond to a minimum of vacuum; however, they are not recommended for protection of thin-wall tanks. Sizes 1/2", 3/4" and 1" NPT. New Series VBS features normally-closed design, higher capacity in sizes 11/2", 2" and 3" NPT.

Series “CK” and “CKD” SPECIAL PURPOSE DIAPHRAGM CHECK VALVESSeries CK is a machined PTFE valve that features the same normally-closed diaphragm design as Series CKM, available in 3/4"and 1" sizes. Series CKD is a normally-open diaphragm check valve that is ideal for ultra-low pressure or flow, requires .5 PSI to close. Sizes 1/4" and 1/2" in PVC, Natural Polypro, PTFE and PVDF.

Series “CKM” DIAPHRAGM CHECK VALVES & Series “CKS” SELF-CLOSING CHECK VALVESLeak-proof check valves prevent reverse flow of water, extremely corrosive and ultra-pure liquids. Self-sealing designs allow mounting in any position. Unique molded diaphragm in sizes 1/2", 3/4" and 1"; self-

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Solenoid Valves

Ball Valves

Series “EAST” COMPACT, DIRECT OPERATINGThis compact, direct-acting design provides a cost effective solution for high pressure rated applications, where space is limited. Patented Fail-Dry® safety design. For virtually all type solutions: acids, caustics, solvents, chlorine solutions and ultra-pure liquids. 2,000,000 cycle life. Sizes 1/4" and 1/2". Cv of 0.5 with 3/16" orifice; 0.8 with 1/4" orifice. PVC, CPVC, Natural Polypro, PVDF.

Series “PS” PILOT OPERATEDHigh pressure, high flow capability. Pilotoperated design requires 5 PSI differential across the valve. Rated for inlet pressures 5 to 140 PSI, back-pressures to 70 PSI. Cv’s from 5.2 to 80. Patented Fail-Dry® safety design. PTFE bellows barrier type seal. For all type solutions. Sizes 1/2" to 3”. PVC, CPVC, Natural Polypro, PVDF.

Series “EASMT” and “EASYMT” DIRECT OPERATING PTFE BELLOWSDirect-acting valve for severe service applications with virtually all solutions (acids, caustic, etc.). Unique “Bellows” design provides dynamic barrier seal, prevents leaking of emissions. 2,000,000 cycle life. Fail-Dry® safety design. Sizes 1/4" to 1”. Cv from 1.1 to 4.7, orifice from 3/8" to 11/16". PVC, CPVC, Glass-filled Polypro, PVDF.

SPECIAL PURPOSE SOLENOID VALVES Series “EASY-NO” and Series“THP”Normally-open, direct-acting Series EASYNO closes when energized. Designed for applications that must have continued flow in the event of a power failure.Suitable for pressure, drain or vacuum service with pressures to 70 PSI. Direct-acting Series THP is a multi-purpose valve suitable for inlet and backpressures to 100 PSI; it can function as a three-way, normally-open, or normally-closed valve. Both EASY-NO and THP are available in 1/4" and 1/2" sizes in PVC.

TRUE-BLUE™ Series “MBV” TRUE UNION MANUAL BALL VALVESThis engineered valve offers bubble-tight sealing and easy turning with perfectly machined, polished smooth ball. Designed with trunnion to keep ball centered, reinforced shaft to eliminate breakage and dual seals to insure reliability. PTFE seats are back-loaded with O-rings for reduced torque and longer seat life. Every valve is built ready to accept actuation in just minutes with no special tools or changes, and they are built for long cycle life. PVC, CPVC, PP, and PVDF; 3-way Series TMBV available in PVC and CPVC Sizes: 1/2" through 4"; NPT, IPS, BSP, Metric Socket.

atmospheres. Compact. lightweight assembly for reduced piping stress. Simple attachment to True Blue™ Ball Valve body mounting lugs. Manual override standard on most models. Spring Return options. Limit Stops and Limit Switches available. ABV sizes for 1/2" to 3", Rack and Pinion ABR for sizes 1/4" to 4".

Series “ABV” and “ABR” 2-WAY and Series “TABV” and “TABR” 3-WAY AIR TO AIR or SPRING RETURN PNEUMATIC ACTUATED BALL VALVESRugged engineered thermoplastic construction – ideal for corrosive

easily into the tee without additional fittings. Also an ideal replacement for costly zero dead-leg valves. 1/2" to 2" Ball Valves sizes. 3/4" to 3" tee adapters standard; other sizes consult factory. Available in PVC, CPVC, PVDF and natural polypropylene, socket or butt fusion.

SERIES “LMBV” LATERAL REDUCING BALL VALVERevolutionary ball valve adapter eliminates weakness inherent to lateral drops; installs

Chemtrol PVC Chemcock Valves Hayward Universal … · KNOB POSITION 1 2 3 4 5 6 7 8 FLOW RATE (GPM @50 PSI) ... flow design and the 1½” to 2” is an offset port flow design. ...

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