Check Valves
Check Valves (Non Return Valves)
Check valves (Non Return valves); provide engineers and installers with an inexpensive and reliable method to prevent the backward flow of a liquid or gas.
At Valves Online we provide you with an extensive range of check valves, available in a wide range of sizes, materials and design / closing operation. With numerous applications in process, industrial, domestic and drinking water systems all requiring some form of check or non-return valve, correct selection is vital.
Common types of check valve include: Barrel Spring, Swing, Disc (Foot Valves), Ball, Wafer, Wafer Pattern and Dual Plate check valves.
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High Temperature Check Valve Wafer Pattern
From £46.98SKU: CV4677 Availability: AvailableHigh Temperature Check Valve Wafer Pattern
From £46.98SKU: CV4677 Availability: Available- Disc Check Valve
- Wafer Pattern
- Stainless Steel body
- Sizes 1/2" to 4"
- Temperature up to 130°C
- Pressure rating: PN25/40
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Brass Single Check Valve CR
From £7.31SKU: CV4307 Availability: AvailableBrass Single Check Valve CR
From £7.31SKU: CV4307 Availability: Available- Single Check Valve CR
- Brass body
- Screwed or Compression End
- Sizes 1/2" to 2" and 15mm to 28mm
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PVC-U Wafer Pattern Swing Check Valve
From £90.78SKU: CV5566 Availability: AvailablePVC-U Wafer Pattern Swing Check Valve
From £90.78SKU: CV5566 Availability: Available- PVC-U Swing Check Valve
- Wafer Pattern
- EPDM Seals
- Size: 63mm / 2" to 225mm / 8"
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Cast Steel Swing Check Valve API 600 ANSI Class 150
From £144.00SKU: CV5756 Availability: AvailableCast Steel Swing Check Valve API 600 ANSI Class 150
From £144.00SKU: CV5756 Availability: Available- Swing Check Valve
- Cast Steel
- Flanged ANSI 150
- Sizes: 2" to 12"
- API 600
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Hygienic Check Valve
From £68.38SKU: HC4257 Availability: AvailableHygienic Check Valve
From £68.38SKU: HC4257 Availability: Available- Sanitary Check Valve
- 316 Stainless Steel body, piston & spring
- EPDM seal
- OD weld ends
- Sizes: 1" to 4"
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Cast Iron Swing Check Valve Flanged PN16 - Metal Seat
From £92.91SKU: CV5184 Availability: AvailableCast Iron Swing Check Valve Flanged PN16 - Metal Seat
From £92.91SKU: CV5184 Availability: Available- Swing Check Valve
- Cast Iron body
- Stainless Steel seat
- Flanged PN16
- Sizes 1 1/2" up to 12"
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PN32 Bronze Screwed Horizontal Lift Check Valve
From £11.15SKU: CV5185 Availability: AvailablePN32 Bronze Screwed Horizontal Lift Check Valve
From £11.15SKU: CV5185 Availability: Available- Horizontal Lift Check Valve
- Bronze Body
- PN32 Rated
- Screwed BSPP BS21
- Reinforced PTFE Seat
- Max Temperature: 198°C
- Sizes: 1/2" to 2"
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Stainless Steel Swing Check Valve Wafer Pattern
From £61.05SKU: CV5171 Availability: AvailableStainless Steel Swing Check Valve Wafer Pattern
From £61.05SKU: CV5171 Availability: Available- Swing Check Valve
- Stainless Steel body
- Wafer Pattern
- Sizes: 2" to 10"
- Temperature: 0°C to 150°C
- Pressure rating: 16 Bar
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Brass Double Check Valve CR
From £11.10SKU: CV4308 Availability: AvailableBrass Double Check Valve CR
From £11.10SKU: CV4308 Availability: Available- Double Check Valve CR
- Brass body
- Screwed or Compression End
- Sizes 1/2" to 2" and 15mm to 28mm
- WRAS approved
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PVC-U Wafer Pattern Swing Spring Check Valve
From £128.98SKU: CV5567 Availability: AvailablePVC-U Wafer Pattern Swing Spring Check Valve
From £128.98SKU: CV5567 Availability: Available- PVC-U Swing Spring Check Valve
- Wafer Pattern
- EPDM Seals
- Size: 63mm / 2" to 225mm / 8"
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API 600 ANSI Class 300 Cast Steel Swing Check Valve
From £230.00SKU: CV5757 Availability: AvailableAPI 600 ANSI Class 300 Cast Steel Swing Check Valve
From £230.00SKU: CV5757 Availability: Available- Swing Check Valve
- Cast Steel
- Flanged ANSI 300
- Sizes: 2" to 12"
- API 600
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PVC Spring Check Valve
From £13.32SKU: CV4674 Availability: AvailablePVC Spring Check Valve
From £13.32SKU: CV4674 Availability: Available- PVC Spring Check Valve
- PVC-U Body, EPDM 'O' rings
- Spring Check or Foot valve available
- Imperial Solvent Socket, Metric Solvent Socket and Screwed BSP
- Sizes: 3/8" to 4" and 16mm to 110mm
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PVC-U Double Union Spring Check Valve
From £16.23SKU: CV5565 Availability: AvailablePVC-U Double Union Spring Check Valve
From £16.23SKU: CV5565 Availability: Available- PVC-U Spring Check Valve
- Double Union
- EPDM Seals
- BSP Threaded, Imperial or Metric Solvent Socket
- 1/2" to 3" & 20mm to 90mm
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Economy Stainless Steel Wafer Swing Check Valve
From £25.99SKU: CV4681 Availability: AvailableEconomy Stainless Steel Wafer Swing Check Valve
From £25.99SKU: CV4681 Availability: Available- Economy Wafer Pattern Swing Check Valve
- CF8M stainless steel body and disc
- FKM seat and body seal
- Sizes: 1 1/2" to 12"
- Suitable for mounting between PN10/16 and ANSI150 flanges
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Cromax Stainless Steel Spring Check Valve Screwed BSP
From £28.46SKU: CV4673 Availability: AvailableCromax Stainless Steel Spring Check Valve Screwed BSP
From £28.46SKU: CV4673 Availability: Available- Spring Check Valve
- 316 or 304 Stainless Steel body
- PTFE seat
- Screwed BSP
- Sizes 1/4" to 2"
- Temperature: 20°C to 150°C
- Pressure rating: up to 16 Bar
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Forged Steel Swing Check Valve Class 800
From £30.00SKU: CV5750 Availability: AvailableForged Steel Swing Check Valve Class 800
From £30.00SKU: CV5750 Availability: Available- Swing Check Valve
- Forged Steel body
- Class 800
- Socket Weld, BSPT or NPT
- Sizes 1/2" to 2"
- Temperature: -29°C to 425°C
- Pressure up to 138 bar
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ABS Double Union Spring Check Valve
From £18.81SKU: CV5568 Availability: AvailableABS Double Union Spring Check Valve
From £18.81SKU: CV5568 Availability: Available- ABS Spring Check Valve
- Double Union
- EPDM Seals
- Imperial Solvent Socket
- 1/2" to 2"
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Inoxpa 72700 Hygienic Check Valve
From £122.96SKU: HC5276 Availability: AvailableInoxpa 72700 Hygienic Check Valve
From £122.96SKU: HC5276 Availability: Available- Sanitary Check Valve
- Stainless Steel AISI 316L
- Clamp or weld end connections
- EPDM Seal according to FDA 177.2600A
- Sizes: DN25 (1") to DN100 (4")
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PN40 Stainless Steel ARI CHECKO-D Wafer Non-return Check Valve
From £87.10SKU: CV5423 Availability: AvailablePN40 Stainless Steel ARI CHECKO-D Wafer Non-return Check Valve
From £87.10SKU: CV5423 Availability: Available- PN40 Stainless Steel ARI CHECKO-D Wafer Non-return Check Valve
- Fig. 55.001 Wafer Pattern Check Valve with metallic sealing
- PN40 Rated
- Wafer Pattern for Clamping between flanges
- Stainless Steel (1.4408) Body
- Up to 400°C Temperature Rated
- DN15 to DN200 (½” to 8”) Available
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Brass Spring Check Valve Screwed BSP
From £5.54SKU: CV4661 Availability: AvailableBrass Spring Check Valve Screwed BSP
From £5.54SKU: CV4661 Availability: Available- Spring Check Valve
- Brass body
- NBR seal
- Screwed BSP
- Spring Check or Foot Valve
- Sizes 3/8" to 4"
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Stainless Steel Flanged Swing Check Valve
From £111.00SKU: CV4665 Availability: AvailableStainless Steel Flanged Swing Check Valve
From £111.00SKU: CV4665 Availability: Available- Swing Check Valve
- Stainless Steel body
- Metal seat
- Flanged PN16 or ANSI 150
- Sizes 1/2" to 8" and 1/2" to 6"
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Brass Wafer Spring Check Valve
From £33.18SKU: CV5176 Availability: AvailableBrass Wafer Spring Check Valve
From £33.18SKU: CV5176 Availability: Available- Spring Disc Check Valve
- Brass body
- Sizes: 1/2" to 4"
- Low Cost
- Lightweight Design
- Fits between PN10/16 and 40 Flanges
- Short Pattern
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Stainless Steel Spring Disc Check Valve Wafer Pattern
From £13.32SKU: CV5175 Availability: AvailableStainless Steel Spring Disc Check Valve Wafer Pattern
From £13.32SKU: CV5175 Availability: Available- Spring Disc Check Valve
- Stainless Steel body
- Wafer Pattern
- Sizes: 1/2" to 4"
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Cast Iron Swing Check Valve Flanged PN16 Lever + Weight
From £201.57SKU: CV5182 Availability: AvailableCast Iron Swing Check Valve Flanged PN16 Lever + Weight
From £201.57SKU: CV5182 Availability: Available- Swing Check Valve
- Lever + Weight
- Cast Iron body
- Flanged PN16
- Sizes 2" up to 12"
