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  Check Valves (135 items)

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Georg Fischer PVC-U Single Check Valve 1 1/2in, 16 bar / 2140649 (1 offer) 
An increase in temperature above 20°C will reduce the pressure rating. PVC-U Ball Check Valve. Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity.
Georg Fischer
161561066
from £ 134.878*
per piece
 
 piece
Georg Fischer PVC-U Single Check Valve 1 1/4in, 16 bar / 2140627 (1 offer) 
An increase in temperature above 20°C will reduce the pressure rating. PVC-U Ball Check Valve. Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity.
Georg Fischer
161561065
from £ 110.702*
per piece
 
 piece
Georg Fischer PVC-U Single Check Valve 1/2in, 16 bar / 2140598 (1 offer) 
Georg Fischer PVC-U Ball Check ValveThe Georg Fischer PVC-U ball check valve has double union ends with a plain bore for solvent cement jointing.Features and BenefitsVibration-free even at high vel...
Georg Fischer
161561062
from £ 69.043*
per piece
 
 piece
Georg Fischer PVC-U Single Check Valve 1in, 16 bar / 2140611 (1 offer) 
An increase in temperature above 20°C will reduce the pressure rating. PVC-U Ball Check Valve. Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity.
Georg Fischer
161561064
from £ 88.20*
per piece
 
 piece
Georg Fischer PVC-U Single Check Valve 2in, 16 bar / 2140655 (1 offer) 
An increase in temperature above 20°C will reduce the pressure rating. PVC-U Ball Check Valve. Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity.
Georg Fischer
161561067
£ 202.06*
per piece
 
 piece
Georg Fischer PVC-U Single Check Valve 3/4in, 16 bar / 2140605 (1 offer) 
An increase in temperature above 20°C will reduce the pressure rating. PVC-U Ball Check Valve. Double union ends with plain bore for solvent cement jointing. Vibration free even at high velocity.
Georg Fischer
161561063
from £ 81.98*
per piece
 
 piece
JG Speedfit POM Double Check Valve 15mm, 12 bar / 754987 (1 offer) 
WRAS. 25. Double Check Valve. Prevents contamination of water arising from back siphoning, backflow or cross connection 15mm connection only
John Guest
15DCV
from £ 20.761*
per piece
 
 piece
John Guest Acetal Copolymer Single Check Valve 1/4in, 10 bar / 8968355 (1 offer) 
Single Check Valve - Imperial. The Super Speedfit Acetal Single Check Valve by John Guest was designed at the request of leading companies in the drinks dispense industry. The fast installation tim...
John Guest
1/4SCV
£ 85.319*
per 10 pieces
 
 bag
Legris Stainless Steel Single Non Return Valve, G 1/2in, 40 bar / 2150287 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4892 21 21
£ 317.95*
per 2 pieces
 
 pack
Legris Stainless Steel Single Non Return Valve, G 1/2in, 40 bar / 4586801 (1 offer) 
Parker Legris Non-return Valves - Uni-directional Female x Female, BSP. Legris stainless steel non-return valves allow fluids to pass in one direction whilst blocking flow in the other direction. R...
Legris
4890 21 21
from £ 97.654*
per piece
 
 piece
Legris Stainless Steel Single Non Return Valve, G 1/4in, 40 bar / 2150284 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4892 13 13
£ 249.916*
per 2 pieces
 
 pack
Legris Stainless Steel Single Non Return Valve, G 1/4in, 40 bar / 4586788 (1 offer) 
Parker Legris Non-return Valves - Uni-directional Female x Female, BSP. Legris stainless steel non-return valves allow fluids to pass in one direction whilst blocking flow in the other direction. R...
Legris
4890 13 13
from £ 74.55*
per piece
 
 piece
Legris Stainless Steel Single Non Return Valve, G 1/8in, 40 bar / 2150281 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4890 10 10
£ 201.516*
per 2 pieces
 
 pack
Legris Stainless Steel Single Non Return Valve, G 1/8in, 40 bar / 2150283 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4892 10 10
£ 244.016*
per 2 pieces
 
 pack
Legris Stainless Steel Single Non Return Valve, G 3/4in, 40 bar / 2150282 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4890 27 27
£ 191.47*
per piece
 
 piece
Legris Stainless Steel Single Non Return Valve, G 3/8in, 40 bar / 2150285 (1 offer) 
The Legris non return valve is made up of stainless steel. It allow fluids to pass in one direction whilst blocking flow in the other direction. Robust and extremely compact, they are suitable for ...
Legris
4892 17 17
£ 280.856*
per 2 pieces
 
 pack
Legris Stainless Steel Single Non Return Valve, G 3/8in, 40 bar / 4586794 (1 offer) 
Parker Legris Non-return Valves - Uni-directional Female x Female, BSP. Legris stainless steel non-return valves allow fluids to pass in one direction whilst blocking flow in the other direction. R...
Legris
4890 17 17
from £ 91.694*
per piece
 
 piece
Parker Stainless Steel Non-Return Valve Check Valve 10mm, 1 bar / 2807573 (1 offer) 
Type = Non-Return Valve Body Material = Stainless Steel Maximum Working Pressure = 1 bar Thread Size = 10mm
Parker
ITL10L71
£ 45.273*
per piece
 
 pieces
Parker Stainless Steel Non-Return Valve Check Valve, 400 bar / 2812880 (1 offer) 
Type = Non-Return Valve Body Material = Stainless Steel Maximum Working Pressure = 400 bar
Parker
RVP1671
£ 392.06*
per piece
 
 piece
Parker Stainless Steel Single Check Valve 1/4in, 414 bar / 4325072 (1 offer) 
Check valves that have not been actuated for some time may initially crack at higher than the quoted crack pressure. ‘C ‘ Series Check Valve. Designed for uni-directional flow control of fluids and...
Parker
4A-C4L-25-SS
from £ 74.983*
per piece
 
 piece
Parker Stainless Steel Single Check Valve 10mm, 414 bar / 4325123 (1 offer) 
Check valves that have not been actuated for some time may initially crack at higher than the quoted crack pressure. ‘C ‘ Series Check Valve. Designed for uni-directional flow control of fluids and...
Parker
M10A-C6L-25-SS
£ 180.913*
per piece
 
 piece
Parker Stainless Steel Single Check Valve 6mm, 414 bar / 4325117 (1 offer) 
Check valves that have not been actuated for some time may initially crack at higher than the quoted crack pressure. ‘C ‘ Series Check Valve. Designed for uni-directional flow control of fluids and...
Parker
M6A-C4L-25-SS
from £ 72.092*
per piece
 
 piece
Parker Steel Non-Return Valve Check Valve 10 mm, 12 mm, 1 bar / 2807571 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 1 bar Thread Size = 10 mm, 12 mm
Parker
ITL10L/12S
£ 9.108*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve 15 mm, 16 mm, 1 bar / 2807575 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 1 bar Thread Size = 15 mm, 16 mm
Parker
ITL15L/16S
£ 12.55334*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve 18 mm, 20 mm, 1 bar / 2807576 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 1 bar Thread Size = 18 mm, 20 mm
Parker
ITL18L/20S
£ 19.533*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve 8 mm, 10 mm, 1 bar / 2807570 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 1 bar Thread Size = 8 mm, 10 mm
Parker
ITL08L/10S
£ 9.93*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve, 420 bar / 2812816 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 420 bar
Parker
RHD12SOMDCF
£ 44.02534*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve, G 1/2in, 400 bar / 2812820 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 400 bar Thread Size = 1/2in Thread Standard = G
Parker
RHZ18LREDOMDCF
£ 143.214*
per 2 pieces
 
 box
Parker Steel Non-Return Valve Check Valve, G 1/4in, 400 bar / 2812819 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 400 bar Thread Size = 1/4in Thread Standard = G
Parker
RHZ10LREDOMDCF
£ 34.9475*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve, G 1/8in, 400 bar / 2812818 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 400 bar Thread Size = 1/8in Thread Standard = G
Parker
RHV06LREDCF
£ 27.008*
per piece
 
 pieces
Parker Steel Non-Return Valve Check Valve, G 3/8in, 400 bar / 2812817 (1 offer) 
Type = Non-Return Valve Body Material = Steel Maximum Working Pressure = 400 bar Thread Size = 3/8in Thread Standard = G
Parker
RHDI3/8CF
£ 166.182*
per 2 pieces
 
 box
RS PRO Brass Filling Loop 15mm, 10 bar / 2422842 (1 offer) 
Body Material = Brass Maximum Working Pressure = 10 bar Thread Size = 15mm
RS Pro
2422842
£ 20.622*
per piece
 
 piece
RS PRO Brass Non-Return Valve Check Valve, BSP 1in, 16 bar / 2422838 (1 offer) 
Type = Non-Return Valve Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 1in Thread Standard = BSP
RS Pro
2422838
£ 25.94*
per piece
 
 piece
RS PRO Brass Non-Return Valve Check Valve, BSP 3/4in, 16 bar / 2422837 (1 offer) 
Type = Non-Return Valve Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 3/4in Thread Standard = BSP
RS Pro
2422837
£ 17.672*
per piece
 
 piece
RS PRO Brass Sight Glass Non Return Valve, BSP 1/2in, 12 bar / 7209336 (1 offer) 
Single Window Sight Glass. A single window sight glass used to visually check the condition and leakage of steam traps. It is recommended that a sight glass be installed downstream of the steam tra...
RS Pro
7209336
from £ 111.484*
per piece
 
 piece
RS PRO Brass Sight Glass Non Return Valve, BSP 1in, 12 bar / 7209349 (1 offer) 
Single Window Sight Glass. A single window sight glass used to visually check the condition and leakage of steam traps. It is recommended that a sight glass be installed downstream of the steam tra...
RS Pro
7209349
from £ 139.274*
per piece
 
 piece
RS Pro
486221
from £ 41.739*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 1-1/4in, 16 bar / 486211 (1 offer) 
Freezing of the fluid in the installation may severely damage the valve. GOST-R (Russia) Expert Conclusion (Russia) EAC Conforming (Russia) RoHS Compliant. Approvals apply to specific configuration...
RS Pro
486211
from £ 34.086*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 1.25in, 16 bar / 2422839 (1 offer) 
Type = Single Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 1.25in Thread Standard = BSP
RS Pro
2422839
£ 39.472*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 1.5in, 16 bar / 2422840 (1 offer) 
Type = Single Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 1.5in Thread Standard = BSP
RS Pro
2422840
£ 60.579*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 1/2in, 16 bar / 2422836 (1 offer) 
Type = Single Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 1/2in Thread Standard = BSP
RS Pro
2422836
£ 13.039*
per piece
 
 piece
RS Pro
486209
from £ 10.306*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 2in, 16 bar / 2422841 (1 offer) 
Type = Single Body Material = Brass Maximum Working Pressure = 16 bar Thread Size = 2in Thread Standard = BSP
RS Pro
2422841
£ 79.656*
per piece
 
 piece
RS Pro
486182
from £ 58.381*
per piece
 
 piece
RS PRO Brass Single Check Valve, BSP 3/4in, 16 bar / 486215 (1 offer) 
Freezing of the fluid in the installation may severely damage the valve. GOST-R (Russia) Expert Conclusion (Russia) EAC Conforming (Russia) RoHS Compliant. Approvals apply to specific configuration...
RS Pro
486215
from £ 14.474*
per piece
 
 piece
RS Pro
486237
from £ 32.948*
per piece
 
 piece
RS Pro
486160
from £ 23.07*
per piece
 
 piece
RS Pro
486148
from £ 8.841*
per piece
 
 piece
RS Pro
486164
from £ 15.237*
per piece
 
 piece
RS Pro
486233
from £ 44.283*
per piece
 
 piece
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