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There are 42 products
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Relevance arrow_drop_down Name, A to Z arrow_drop_up Name, Z to A arrow_drop_down Price, low to high arrow_drop_up Price, high to low arrow_drop_down Connection size arrow_drop_up Connection size arrow_drop_down Material arrow_drop_up Material arrow_drop_down Seal arrow_drop_up Seal arrow_drop_down Valve shape arrow_drop_up Valve shape arrow_drop_down Min pressure difference (bar) arrow_drop_up Min pressure difference (bar) arrow_drop_down Connection type arrow_drop_up Connection type arrow_drop_down Min temperature (°C) arrow_drop_up Min temperature (°C) arrow_drop_down Kv value (m3/h) arrow_drop_up Kv value (m3/h) arrow_drop_down Max temperature (°C) arrow_drop_up Max temperature (°C) arrow_drop_down Max pressure at 20 °C (bar) arrow_drop_up Max pressure at 20 °C (bar) arrow_drop_down With strainer basket arrow_drop_up With strainer basket arrow_drop_down Material quality arrow_drop_up Material quality arrow_drop_down With lock spring arrow_drop_up With lock spring arrow_drop_down With balance weight arrow_drop_up With balance weight arrow_drop_down Brand arrow_drop_up Brand arrow_drop_down

check valves

Check valves (also called non-return valve, one-way valve) are used to allow the flow of fluid in only one direction. They prevent the flow of fluid in the other direction.  Check valves work automatically and do not need to be operated. Most... Read more Read more

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There are 42 products
Show 42 products
Relevance arrow_drop_down Name, A to Z arrow_drop_up Name, Z to A arrow_drop_down Price, low to high arrow_drop_up Price, high to low arrow_drop_down Connection size arrow_drop_up Connection size arrow_drop_down Material arrow_drop_up Material arrow_drop_down Seal arrow_drop_up Seal arrow_drop_down Valve shape arrow_drop_up Valve shape arrow_drop_down Min pressure difference (bar) arrow_drop_up Min pressure difference (bar) arrow_drop_down Connection type arrow_drop_up Connection type arrow_drop_down Min temperature (°C) arrow_drop_up Min temperature (°C) arrow_drop_down Kv value (m3/h) arrow_drop_up Kv value (m3/h) arrow_drop_down Max temperature (°C) arrow_drop_up Max temperature (°C) arrow_drop_down Max pressure at 20 °C (bar) arrow_drop_up Max pressure at 20 °C (bar) arrow_drop_down With strainer basket arrow_drop_up With strainer basket arrow_drop_down Material quality arrow_drop_up Material quality arrow_drop_down With lock spring arrow_drop_up With lock spring arrow_drop_down With balance weight arrow_drop_up With balance weight arrow_drop_down Brand arrow_drop_up Brand arrow_drop_down
Product Brand Connection size Material Seal Valve shape Min pressure difference (bar) Connection type Min temperature (°C) Max temperature (°C) Kv value (m3/h) Max pressure at 20 °C (bar) With lock spring With balance weight Width (mm) Height (mm) Valve bore (mm) Surface protection Article compression class Model With strainer basket Material quality
G1/4'' check valve...

G1/4'' check valve (0.1-10bar) brass FKM

AZVNRT-1-4

£5.85 (£4.84 excl vat)
In stock
AZ Pneumatics 1/4 inch Brass FKM (FPM) Inline spring closed 0.1 Inner thread cylindrical... 0 110 0.82 10 Yes No 13 34 7 Untreated PN 10 Straight - -
G1/2'' Brass Check Valve...

G1/2'' Brass Check Valve NBR PN12 - CLIB

CLIB-012

£7.69 (£6.36 excl vat)
In stock
Tameson 1/2 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 100 4.22 12 Yes No 34.5 47 - Untreated PN 12 Straight - -
G1/8'' check valve...

G1/8'' check valve (0.1-10bar) brass FKM

AZVNRT-1-8

£4.70 (£3.89 excl vat)
In stock
AZ Pneumatics 1/8 inch Brass FKM (FPM) Inline spring closed 0.1 Inner thread cylindrical... 0 110 0.45 10 Yes No 16 39 5.2 Untreated PN 10 Straight - -
G1'' Brass Check Valve NBR...

G1'' Brass Check Valve NBR PN12 - CLIB

CLIB-100

£12.29 (£10.16 excl vat)
In stock
Tameson 1 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 100 11.67 12 Yes No 47.5 60.5 - Untreated PN 12 Straight - -
G1'' Brass Foot Valve NBR...

G1'' Brass Foot Valve NBR 0.02 bar

CLIB-FCM-100

£15.78 (£13.04 excl vat)
In stock
Tameson 1 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 60 - - - - - - - - - - Yes -
G1/2'' Stainless Steel 304...

G1/2'' Stainless Steel 304 Check Valve FKM 0.25-16bar -...

CLIS3-012

£34.59 (£28.59 excl vat)
In stock
Tameson 1/2 inch Stainless steel FKM (FPM) Inline spring closed 0.25 Inner thread cylindrical... -20 150 - 16 Yes No 66 32 - Untreated PN 16 Straight - Stainless steel 304 (1.4301)
G1/2'' Brass Foot Valve NBR...

G1/2'' Brass Foot Valve NBR 0.02 bar

CLIB-FCM-012

£9.81 (£8.10 excl vat)
In stock
Tameson 1/2 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 60 - - - - - - - - - - Yes -
G3/4'' Brass Check Valve...

G3/4'' Brass Check Valve NBR PN12 - CLIB

CLIB-034

£9.87 (£8.16 excl vat)
In stock
Tameson 3/4 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 100 7.92 12 Yes No 42 53 - Untreated PN 12 Straight - -
G3/4'' Stainless Steel 304...

G3/4'' Stainless Steel 304 Check Valve FKM 0.35-16bar -...

CLIS3-034

£34.47 (£28.49 excl vat)
In stock
Tameson 3/4 inch Stainless steel FKM (FPM) Inline spring closed 0.35 Inner thread cylindrical... -20 150 - 16 Yes No 72 45 - Untreated PN 16 Straight - Stainless steel 304 (1.4301)
G3/8'' Brass Check Valve...

G3/8'' Brass Check Valve NBR PN12 - CLIB

CLIB-038

£8.26 (£6.83 excl vat)
In stock
Tameson 3/8 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 100 2.11 12 Yes No 34.5 46.5 - Untreated PN 12 Straight - -
G1'' Stainless Steel 304...

G1'' Stainless Steel 304 Check Valve FKM 0.35-16bar - CLIS3

CLIS3-100

£37.92 (£31.34 excl vat)
In stock
Tameson 1 inch Stainless steel FKM (FPM) Inline spring closed 0.35 Inner thread cylindrical... -20 150 - 16 Yes No 83 55 - Untreated PN 16 Straight - Stainless steel 304 (1.4301)
G1'' Stainless Steel 316 Y...

G1'' Stainless Steel 316 Y Check Valve PTFE 0.4/0.8-40bar...

CLYS-100

£87.34 (£72.18 excl vat)
In stock
Tameson 1 inch Stainless steel Teflon (PTFE) Angle seat spring closed 0.4 Inner thread cylindrical... -20 200 - 40 Yes No 90 75 22.5 Untreated PN 40 Straight - Stainless steel 316 (1.4408)
G1-1/2'' Brass Check Valve...

G1-1/2'' Brass Check Valve NBR PN10 - CLIB

CLIB-112

£31.60 (£26.12 excl vat)
In stock
Tameson 1 1/2 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 100 29.39 10 Yes No 70.5 74 - Untreated PN 10 Straight - -
G1-1/2'' Brass Foot Valve...

G1-1/2'' Brass Foot Valve NBR 0.02 bar

CLIB-FCM-112

£35.73 (£29.53 excl vat)
In stock
Tameson 1 1/2 inch Brass NBR (nitrile rubber) Inline spring closed 0.02 Inner thread cylindrical... -20 60 - - - - - - - - - - Yes -
G3/4'' Stainless Steel 316...

G3/4'' Stainless Steel 316 Y Check Valve PTFE...

CLYS-034

£71.26 (£58.89 excl vat)
In stock
Tameson 3/4 inch Stainless steel Teflon (PTFE) Angle seat spring closed 0.4 Inner thread cylindrical... -20 200 - 40 Yes No 75 62 17.4 Untreated PN 40 Straight - Stainless steel 316 (1.4408)
check valves

check valves

Check valves (also called non-return valve, one-way valve) are used to allow the flow of fluid in only one direction. They prevent the flow of fluid in the other direction.  Check valves work automatically and do not need to be operated. Most available types have a small spring to close the valve, the medium pressure in the forward direction opens the valve. Note that there is a minimum pressure required to open the valve (usually called cracking pressure).