Union Check Valves

26 Results
Ball Valve -- 120738568 [VO7224B from Colonial Engineering, Inc.]
from Radwell International

DISCONTINUED BY MANUFACTURER, SOCKET, SINGLE UNION, BALL CHECK VALVE, CPVC, 1/2", VITTON. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
Control Valve -- 177188015 [3/4 9D M2 from Watts]
from Radwell International

3/4 INCH BRONZE DUAL CHECK VALVE BACKFLOW PREVENTER, INTERMEDIATE ATMOSPHERIC VENT, FEMALE UNION INLET/OUTLET CONNECTION, VIEGA PROPRESS ADAPTORS. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
  • Valve Type: Back Flow
Control Valve -- 224676239
from Radwell International

DISCONTINUED BY MANUFACTURER, TRUE UNION SWING CHECK VALVE, 125 PSI, 2 INCH VALVE SIZE, PVC TYPE 1, IPS SLIP CONNECTIONS, EPDM FLAPPER. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
Control Valve -- 224676282
from Radwell International

DISCONTINUED BY MANUFACTURER, TRUE UNION SWING CHECK VALVE, 1 1/2" IPS CONNECTION, 125 PSI, PVC TYPE 1, EPDM FLAPPER. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
Pneumatic Valve -- 223198582 [82664VM-06-06 from AIGNEP SPA]
from Radwell International

UNION CHECK VLV 3/8 TB VITON SLS/METAL C. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
  • Media: Air
Pneumatic Valve -- 223205622 [82664VM-04-04 from AIGNEP SPA]
from Radwell International

UNION CHECK VLV 1/4 TB VITON SLS/METAL C. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
  • Media: Air
Valve Repair Kit -- 10646693 [AMCU100 from Honeywell Analytics, Inc.]
from Radwell International

CHECK VALVE FOR UNION BODY, REPLACEMENT PART. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
Valve Repair Kit -- 60437819 [175561095 from Georg Fischer Piping Systems Ltd]
from Radwell International

CONE CHECK VALVE, 3/4 INCH TYPE, 546 BALL SET CPVC/EPDM: 40MM-561, TRUE UNION B-CHECK VALVE-SYGEF/FPM-BUTT. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Connection Description: Union
Union Insert Valve -- UVD (UIV-050)
from Check-All Valve Mfg. Co.

The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system. A check valve may be installed anywhere in the... [See More]

  • Connection Description: Union; Face Seal (optional feature); 1/2" Line Size
  • Material Of Construction: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Type: Lift Check; Poppet; Back Flow
  • Valve Size: 0.50
GF PVC Cone Check Valves Type 561 & 562 -- 20766
from U.S. Plastic Corporation

GF 561 & 562 valves feature a unique check cone element design that optimizes flow geometry and minimizes flow resistance and pressure loss. The valve closes when vertically mounted with (561) 2.9 psi or (562) 1.45 psi. The check valve Type 562 (horizontal) closes absolutely leak-tight with the... [See More]

  • Connection Description: Union; Socket Weld
  • Material Of Construction: PVC
  • Valve Type: BallDisk
  • Valve Size: 0.38
Black Polypropylene Plastic Valves -- Chemtrol®
from NIBCO INC.

Black Polypropylene valves for use with hot corrosive liquids, chemical processing, industrial plating, laboratory and industrial waste drainage systems, and waste treatment systems. Valve pressure rating 20 psi at 73 °F water non-shock full-port, Maximum service temperature 180 °F, Full... [See More]

  • Connection Description: Threaded; BoltFlange; Union
  • Material Of Construction: PP
  • Valve Type: BallDisk
  • Valve Size: 0.50 to 4.00
Female to Female Luer Check Valve -- AP15CVFXFSL
from ARKPLAS

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Connection Description: Union; Luer Fitting
  • Material Of Construction: Polycarbonate
Hayward CPVC True Union Ball Check Valves -- 18515
from U.S. Plastic Corporation

Hayward true check ball check valves with viton seals, NSF listed material and 150 PSI at 70 degrees F., prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure unseats the solid plastic ball to... [See More]

  • Connection Description: Threaded; Union; Socket Weld
  • Material Of Construction: CPVC
  • Valve Type: BallDisk
  • Valve Size: 0.50
CPVC Schedule 80 Plastic Valves -- Chemtrol®
from NIBCO INC.

Corzan ® CPVC 80 valves for use with hot corrosive liquids, chemical processing, industrial plating, chilled water distribution, deionized water lines, chemical drainage and waste water treatment systems. Valve pressure rating 250 psi at 73 °F water non-shock full-port, Maximum service... [See More]

  • Connection Description: Threaded; Union; Socket Weld
  • Material Of Construction: CPVC
  • Valve Type: BallDisk
  • Valve Size: 0.50 to 6.00
Female to Male Luer Check Valve -- AP13CVFXMSL
from ARKPLAS

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Connection Description: Union; Luer Fitting
  • Material Of Construction: Polycarbonate
Hayward Polypropylene True Union Ball Check Valves -- 18321
from U.S. Plastic Corporation

Hayward true check ball check valves with viton seals, NSF listed material and 150 PSI at 70 degrees F., prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure unseats the solid plastic ball to... [See More]

  • Connection Description: Threaded; Union
  • Material Of Construction: PP
  • Valve Type: BallDisk
  • Valve Size: 0.50
Natural Polypropylene Plastic Valves -- Chemtrol®
from NIBCO INC.

Natural Polypropylene (Chem-Pure) valves for use with deionized water systems, clean chemical processes, pharmaceutical operations and food processing. Valve pressure rating 150 psi at 73 °F water non-shock full-port, Maximum service temperature 180 °F, True Bloc ® design, FKM O-ring,... [See More]

  • Connection Description: Threaded; Union
  • Material Of Construction: PP
  • Valve Type: BallDisk
  • Valve Size: 0.50 to 3.00
Male to Female Luer Check Valve -- AP13CVMXFSL
from ARKPLAS

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Connection Description: Union; Luer Fitting
  • Material Of Construction: Polycarbonate
Hayward PVC True Union Ball Check Valves -- 18501
from U.S. Plastic Corporation

Hayward true check ball check valves with FPM seals, NSF listed material and 150 PSI at 70 F., prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure unseats the solid plastic ball to open the... [See More]

  • Connection Description: Threaded; Union
  • Material Of Construction: PVC
  • Valve Type: BallDisk
  • Valve Size: 0.25
PVC Schedule 80 Plastic Valves -- Chemtrol®
from NIBCO INC.

PVC Schedule 80 Valves for use with hot corrosive liquids, chemical processing, industrial plating, chilled water service, deionized water lines, vacuum service, and waste treatment systems. Valve pressure rating 250 psi at 73 °F water non-shock, Full port, Maximum service temperature 140... [See More]

  • Connection Description: Threaded; BoltFlange; Union; Socket Weld
  • Material Of Construction: PVC
  • Valve Type: BallDisk
  • Valve Size: 0.50 to 10.00
Male to Male Luer Check Valve -- AP12CVSXSSL
from ARKPLAS

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Connection Description: Union; Luer Fitting
  • Media: Air; Compressed Air
  • Material Of Construction: Polycarbonate
Hayward True Union Y - Check Valves -- 22201
from U.S. Plastic Corporation

Valves are very easy to maintain by allowing for easy removal from a piping system without breaking down the piping connections. Just unscrew the assembly nuts and lift the valve body out of the line. Valves prevent reversal of flow in piping systems. They are ideal where backflow could potentially... [See More]

  • Connection Description: Threaded; Union
  • Valve Size: 0.50
  • Material Of Construction: PVC
Red PVDF Plastic Valves -- Chemtrol®
from NIBCO INC.

Red Kynar ® (PVDF) valves for use with hot corrosive liquids, chemical processing, industrial plating, and waste treatment systems. Valve pressure rating 150 psi at 73 °F water non-shock full-port, Maximum service temperature 280 °F, Full port, True Bloc ® design, FKM O-ring, Female... [See More]

  • Connection Description: Threaded; BoltFlange; Union; Socket Weld
  • Material Of Construction: PP; PVDF
  • Valve Type: BallDisk
  • Valve Size: 0.50 to 4.00
Nibco Chemtrol True Union Ball Check Valves -- 18271
from U.S. Plastic Corporation

Not spring loaded but the design insures free movement of the ball. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Union connections for easy access to valve components. Requires only inches of head pressure to seal and open. All plastic construction... [See More]

  • Connection Description: Threaded; Union; Socket Weld
  • Material Of Construction: CPVC
  • Valve Type: BallDisk
  • Valve Size: 0.50
NIBCO Chemtrol TruUnion Ball Check Valves -- 19470
from U.S. Plastic Corporation

Use this with a 18294 or 18295 PVC Check Valve to convert to a foot valve. Convert to a foot valve by replacing inlet end connection on valve with this foot valve screen assembly. [See More]

  • Connection Description: Union
  • Valve Size: 1.25
  • Valve Type: BallDisk; Foot Valve
Spears True Union 2000 Industrial Ball Check Valves -- 19489
from U.S. Plastic Corporation

Flow-tested for minimum turbulence. Fully serviceable, replaceable components, uses standard o-ring seat. Safe-T-Blocked seal carrier - full rated pressure. Easily converted to foot valve. NSF Certified for potable water use. Low extractable PVC material. Sizes 1/2" - 2" pressure rated to 235 psi @... [See More]

  • Connection Description: Threaded; Union; Socket Weld
  • Material Of Construction: PVC
  • Valve Type: BallDisk
  • Valve Size: 0.50