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  Pneumatic Non-Return Valves (142 items)

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RS Pro
9160934
£ 4.594*
per piece
 
 piece
RS PRO CVPU Non Return Valve, 6mm Tube Inlet, 6mm Tube Outlet, 0 → 10bar / 9160943 (1 offer) 
RS PRO CVPU Non Return Valve, 6 mm Tube Inlet, 6 mm Tube Outlet, 0 → 10 barProtect and maintain vacuum lines with this non-return valve from the tried and tested RS PRO range. The valve allows comp...
RS Pro
9160943
£ 5.65*
per piece
 
 piece
RS PRO Non Return Valve, 10mm Tube Outlet / 1442704 (1 offer) 
RS PRO Check Valve - Bush. Ensure directional control with these high-quality check valve bushes from the RS PRO CVPF series. These male-thread-to-female thread bushes are designed to prevent the b...
RS Pro
1442704
£ 6.01*
per piece
 
 bag
RS PRO Non Return Valve, 8mm Tube Outlet, 0 to 9.9 kgf/cm², 0 to 990kPa / 1442697 (1 offer) 
RS Pro Check Valves. Features and Benefits. Suitable for low pressure applications Allows compressed air from one side to flow and blocks the inverse flow to protect and maintain the vacuum line Ea...
RS Pro
1442697
£ 6.574*
per piece
 
 bag
RS PRO Non Return Valve, 6mm Tube Outlet, 0 to 9.9 kgf/cm², 0 to 990kPa / 1442695 (1 offer) 
RS Pro Check Valves. Features and Benefits. Suitable for low pressure applications Allows compressed air from one side to flow and blocks the inverse flow to protect and maintain the vacuum line Ea...
RS Pro
1442695
£ 6.752*
per piece
 
 piece
SMC AKH Non Return Valve, 4mm Tube Inlet, 4mm Tube Outlet, -100 kPa → 1 MPa / 3670618 (2 offers) 
SMC Non-Return Valves. Integral push in fitting connections for fast inline installation. These fittings are compact and lightweight with the advantage of one-touch fitting. Easily installed into y...
SMC
AKH04-00
from £ 6.98*
per piece
 
 piece
SMC AKH Non Return Valve, 6mm Tube Inlet, 6mm Tube Outlet, -100 kPa → 1MPa / 3670624 (2 offers) 
SMC Non-Return Valves. Integral push in fitting connections for fast inline installation. These fittings are compact and lightweight with the advantage of one-touch fitting. Easily installed into y...
SMC
AKH06-00
from £ 7.237*
per piece
 
 piece
Parker EO Light Non Return Valve, 8mm Tube Outlet / 2824073 (1 offer) 
Tube Outlet Connection = 8mm Manufacturer Series = EO Light
Parker
ITL08L0.2B
£ 7.78167*
per piece
 
 pieces
RS PRO CVPU Non Return Valve, 8mm Tube Inlet, 8mm Tube Outlet, 0 → 10bar / 9160946 (1 offer) 
RS PRO CVPU Non Return Valve, 8 mm Tube Inlet, 8 mm Tube Outlet, 0 → 10 barDo you work with vacuum lines? This non-return valve from RS PRO allows you to control the flow of compressed air, so it f...
RS Pro
9160946
£ 7.901*
per piece
 
 piece
SMC AKH Non Return Valve, 4mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa / 8268116 (1 offer) 
SMC AK/AKH/AKB Series Check Valves. With their various configurations the AK/AKH/AKB series check valves offer designers multiple solutions based on operating conditions. They are compact, lightwei...
SMC
AKH04B-01S
from £ 8.336*
per piece
 
 piece
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa / 8268112 (1 offer) 
SMC AK/AKH/AKB Series Check Valves. With their various configurations the AK/AKH/AKB series check valves offer designers multiple solutions based on operating conditions. They are compact, lightwei...
SMC
AKH04A-M5
£ 8.475*
per piece
 
 piece
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa / 8268125 (1 offer) 
SMC AK/AKH/AKB Series Check Valves. With their various configurations the AK/AKH/AKB series check valves offer designers multiple solutions based on operating conditions. They are compact, lightwei...
SMC
AKH04B-M5
£ 8.475*
per piece
 
 piece
SMC AKH Check Valve M5 Inlet, 6mm Tube Inlet, M5 Male Outlet, 6mm Tube Outlet, –100kPa / 2548013 (1 offer) 
Tube Inlet Connection = 6mm Inlet Connection Type = Threaded Threaded Inlet Connection = M5 Outlet Connection Type = Tube Tube Outlet Connection = 6mm Manufacturer Series = AKH Threaded Outlet Conn...
SMC
00000804
£ 8.524*
per piece
 
 piece
SMC AKH/AKB Check Valve 1/4 in Inlet, 1/4in Tube Inlet, R 1/4 Male Outlet, -1 → 10bar / 2548012 (1 offer) 
Tube Inlet Connection = 1/4in Inlet Connection Type = Threaded Threaded Inlet Connection = 1/4 in Outlet Connection Type = Threaded Manufacturer Series = AKH/AKB Threaded Outlet Connection = R 1/4 ...
SMC
00000798
£ 8.524*
per piece
 
 piece
SMC AKH Non Return Valve, 1/4in Tube Inlet, 1/4in Tube Outlet, -100 kPa → 1 MPa / 8268128 (1 offer) 
SMC AK/AKH/AKB Series Check Valves. With their various configurations the AK/AKH/AKB series check valves offer designers multiple solutions based on operating conditions. They are compact, lightwei...
SMC
AKH07-00
from £ 8.683*
per piece
 
 piece
Parker EO Light Non Return Valve, 6mm Tube Outlet / 2824072 (1 offer) 
Tube Outlet Connection = 6mm Manufacturer Series = EO Light
Parker
ITL06L2B
£ 8.99925*
per piece
 
 pieces
SMC AKH Check Valve R 1/8 Male Inlet, 4mm Tube Outlet, -1 → 10bar / 2328617 (1 offer) 
Inlet Connection Type = Threaded Threaded Inlet Connection = R 1/8 Male Outlet Connection Type = Tube Tube Outlet Connection = 4mm Manufacturer Series = AKH Operating Pressure Range = -1 → 10bar
SMC
AKH04A-01S
£ 9.059*
per piece
 
 piece
SMC AKB Non Return Valve NPT 1/8 Male Inlet, NPT 1/8 Female Outlet, -100 kPa to 1MPa / 8497238 (1 offer) 
SMC Vacuum Check Valve. Suitable for vacuum pressures of -0.03 to -0.99 bar Low cracking pressure of 0.02 bar Positive and vacuum compatible Operating temperature range : +5 to +60°C Available in M...
SMC
AKB01B-N01S
from £ 9.475*
per piece
 
 piece
SMC AKH Non Return Valve, 8mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa / 8268131 (1 offer) 
SMC AK/AKH/AKB Series Check Valves. With their various configurations the AK/AKH/AKB series check valves offer designers multiple solutions based on operating conditions. They are compact, lightwei...
SMC
AKH08B-01S
from £ 9.90*
per piece
 
 piece
SMC ZP2V Vacuum Check Valve M5 x 0.8 Male Inlet, M5 x 0.8 Outlet, 0.7MPa / 2705154 (1 offer) 
Inlet Connection Type = M5 x 0.8 Threaded Inlet Connection = M5 x 0.8 Male Outlet Connection Type = M5 x 0.8 Manufacturer Series = ZP2V Threaded Outlet Connection = M5 x 0.8 Operating Pressure Rang...
SMC
00696476
£ 10.128*
per piece
 
 piece
RS PRO Non Return Valve, 10mm Tube Outlet, 0 to 9.9 kgf/cm², 0 to 990kPa / 1442698 (1 offer) 
RS Pro Check Valves. Features and Benefits. Suitable for low pressure applications Allows compressed air from one side to flow and blocks the inverse flow to protect and maintain the vacuum line Ea...
RS Pro
1442698
£ 10.336*
per piece
 
 bag
RS Pro
9160940
£ 10.712*
per piece
 
 piece
SMC AKH Non Return Valve, 8mm Tube Inlet, 8mm Tube Outlet, -100 kPa → 1 MPa / 3670630 (2 offers) 
SMC Non-Return Valves. Integral push in fitting connections for fast inline installation. These fittings are compact and lightweight with the advantage of one-touch fitting. Easily installed into y...
SMC
AKH08-00
from £ 11.19*
per piece
 
 piece
SMC AKB Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, -100 kPa → 1 MPa / 8497231 (1 offer) 
SMC Vacuum Check Valve. Suitable for vacuum pressures of -0.03 to -0.99 bar Low cracking pressure of 0.02 bar Positive and vacuum compatible Operating temperature range : +5 to +60°C Available in M...
SMC
AKB02B-N02S
from £ 12.346*
per piece
 
 piece
Parker EO Light Non Return Valve, 15mm Tube Outlet / 2824075 (1 offer) 
Tube Outlet Connection = 15mm Manufacturer Series = EO Light
Parker
ITL15L0.2B
£ 13.62267*
per piece
 
 pieces
Norgren C00GL Non Return Valve, 4mm Tube Inlet, 10.5mm Tube Outlet, 0.2 → 10bar / 2203541 (1 offer) 
The IMI Norgren non-return valve has high flow performance and used nickel plated brass component provide corrosion and contamination resistance and an extended life. Its pre applied thread sealant...
IMI Norgren
C00GL0400
from £ 14.029*
per piece
 
 piece
Legris 7996 Non Return Valve, 4mm Tube Inlet, 4mm Tube Outlet, 1 to 10bar / 1892816 (1 offer) 
LF3000 Push-in Non-Return Valves. In-line check valve with push-in tube connections. Plastic bodied construction, compact and light in weight No internal spring, V ring technology ensures positive ...
Legris
7996 04 00
from £ 14.445*
per piece
 
 piece
RS Pro
1442702
£ 14.46*
per piece
 
 piece
Norgren C00GL Non Return Valve, 6mm Tube Inlet, 12.5mm Tube Outlet, 0.2 → 10bar / 2180225 (1 offer) 
The IMI Norgren non-return valve has high flow performance and used nickel plated brass component provide corrosion and contamination resistance and an extended life. Its pre applied thread sealant...
IMI Norgren
C00GL0600
from £ 14.732*
per piece
 
 piece
SMC AKH/AKB Check Valve 1/4 in Inlet, 3/8in Tube Inlet, R 3/8 Outlet, -1 → 10bar / 2548014 (1 offer) 
Tube Inlet Connection = 3/8in Inlet Connection Type = Threaded Threaded Inlet Connection = 1/4 in Outlet Connection Type = Threaded Manufacturer Series = AKH/AKB Threaded Outlet Connection = R 3/8 ...
SMC
00000818
£ 15.058*
per piece
 
 piece
Legris 7985 Non Return Valve, 6mm Tube Inlet, R 1/8 Male Outlet, 1 to 10bar / 4453127 (1 offer) 
LF3000 Threaded Non-return Valve. Two types available, Exhaust and Supply flow Exhaust flow type (colour coded red) allows air flow from threaded end to tube end only Supply flow type (colour coded...
Legris
7985 06 10
from £ 15.256*
per piece
 
 piece
Legris 7995 Non Return Valve R 1/8 Male Inlet, 6mm Tube Outlet, 1 to 10bar / 4453098 (1 offer) 
LF3000 Threaded Non-return Valve. Two types available, Exhaust and Supply flow Exhaust flow type (colour coded red) allows air flow from threaded end to tube end only Supply flow type (colour coded...
Legris
7995 06 10
from £ 15.256*
per piece
 
 piece
Legris 7996 Non Return Valve, 6mm Tube Inlet, 6mm Tube Outlet, 1 to 10bar / 1892838 (1 offer) 
LF3000 Push-in Non-Return Valves. In-line check valve with push-in tube connections. Plastic bodied construction, compact and light in weight No internal spring, V ring technology ensures positive ...
Legris
7996 06 00
from £ 15.514*
per piece
 
 piece
Legris 7995 Non Return Valve R 1/4 Male Inlet, 6mm Tube Outlet, 1 to 10bar / 4453105 (1 offer) 
LF3000 Threaded Non-return Valve. Two types available, Exhaust and Supply flow Exhaust flow type (colour coded red) allows air flow from threaded end to tube end only Supply flow type (colour coded...
Legris
7995 06 13
from £ 15.91*
per piece
 
 piece
SMC AKH Non Return Valve, 10mm Tube Inlet, 10mm Tube Outlet, -100 kPa → 1 MPa / 3670646 (1 offer) 
SMC Non-Return Valves. Integral push in fitting connections for fast inline installation. These fittings are compact and lightweight with the advantage of one-touch fitting. Easily installed into y...
SMC
AKH10-00
from £ 16.761*
per piece
 
 piece
Legris 7996 Non Return Valve, 8mm Tube Inlet, 8mm Tube Outlet, 1 to 10bar / 1892844 (1 offer) 
LF3000 Push-in Non-Return Valves. In-line check valve with push-in tube connections. Plastic bodied construction, compact and light in weight No internal spring, V ring technology ensures positive ...
Legris
7996 08 00
from £ 17.395*
per piece
 
 piece
Legris 7985 Non Return Valve, 8mm Tube Inlet, R 1/4 Male Outlet, 1 to 10bar / 4453149 (1 offer) 
LF3000 Threaded Non-return Valve. Two types available, Exhaust and Supply flow Exhaust flow type (colour coded red) allows air flow from threaded end to tube end only Supply flow type (colour coded...
Legris
7985 08 13
from £ 17.939*
per piece
 
 piece
Legris 7995 Non Return Valve R 1/4 Male Inlet, 8mm Tube Outlet, 1 to 10bar / 4453111 (1 offer) 
LF3000 Threaded Non-return Valve. Two types available, Exhaust and Supply flow Exhaust flow type (colour coded red) allows air flow from threaded end to tube end only Supply flow type (colour coded...
Legris
7995 08 13
from £ 17.939*
per piece
 
 piece
Aventics CC04 Non Return Valve, 8mm Tube Inlet, 0.5 to 10bar / 1879027 (1 offer) 
Qn 2-1 = 0.478 Cv Direction of throttle 2 - 1 Exhaust air throttling Push-in fitting / External thread
EMERSON – AVENTICS
R412010570
from £ 18.028*
per piece
 
 piece
EMERSON – AVENTICS CC04 Non Return Valve, 6mm Tube Outlet, 0.5 to 10bar / 1795283 (1 offer) 
Qn 2▶1 = 70-1850 l/min direction of throttle 2 ▶ 1 exhaust air throttling push-in fitting / External thread
EMERSON – AVENTICS
R412010569
from £ 18.028*
per piece
 
 piece
Festo B Non Return Valve, 10bar / 2023548 (2 offers) 
The Festo A series manual override has a exhaust component valve function with pneumatic connection of G 1/4. The maximum operating pressure is 10 bar.Mounting type - threaded Nominal size - 7 mm N...
Festo
HAB-1/4
from £ 18.07*
per piece
 
 piece
SMC AK Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, 0.02 to 1MPa / 8497225 (1 offer) 
SMC Vacuum Check Valve. Suitable for vacuum pressures of -0.03 to -0.99 bar Low cracking pressure of 0.02 bar Positive and vacuum compatible Operating temperature range : +5 to +60°C Available in M...
SMC
AK2000-N02
from £ 18.256*
per piece
 
 piece
Festo ISV Non Return Valve M5 Inlet, 5mm Tube Inlet, M5 Female Outlet, 5mm Tube Outlet, -0.95 → 0bar / 2040037 (1 offer) 
The Festo vacuum security valve has M5 size with threaded mounting. It has operating pressure up to -0.95 to 0 bar with required suction rate is 1 l/min.Ambient temperature -10 to 60 °C Used wrough...
Festo
ISV-M5
£ 18.81*
per piece
 
 piece
EMERSON – AVENTICS CC04 Non Return Valve G 1/4 Male Inlet, 8mm Tube Outlet, 0.5 to 10bar / 1795284 (1 offer) 
Qn 2▶1 = 70-1850 l/min direction of throttle 2 ▶ 1 exhaust air throttling push-in fitting / External thread
EMERSON – AVENTICS
R412010572
from £ 19.385*
per piece
 
 piece
IMI Norgren
T55C1800
from £ 19.454*
per piece
 
 piece
Festo ISV Non Return Valve, 4mm Tube Inlet, 4mm Tube Outlet, -0.95 to 0bar / 2040036 (1 offer) 
The Festo vacuum security valve has M4 size with threaded mounting. It has operating pressure up to -0.95 to 0 bar with required suction rate is 1 l/min.Ambient temperature -10 to 60 °C Used wrough...
Festo
ISV-M4
£ 19.464*
per piece
 
 piece
Festo B Non Return Valve G 1/8 Male Inlet, G 1/8 Female Outlet, 10bar / 2023590 (2 offers) 
The Festo A series manual override has a exhaust component valve function with pneumatic connection of G 1/8. The maximum operating pressure is 10 bar.Mounting type - threaded Nominal size - 4.1 mm...
Festo
HAB-1/8
from £ 19.75*
per piece
 
 piece
SMC AKH Check Valve M5 Inlet, 10mm Tube Inlet, M5 Male Outlet, 10mm Tube Outlet, –100kPa / 2548016 (1 offer) 
Tube Inlet Connection = 10mm Inlet Connection Type = Threaded Threaded Inlet Connection = M5 Outlet Connection Type = Tube Tube Outlet Connection = 10mm Manufacturer Series = AKH Threaded Outlet Co...
SMC
00000824
£ 19.751*
per piece
 
 piece
Festo HA-M5-QS-4 Non Return Valve M5 Inlet, 5mm Tube Inlet, 4mm Tube Outlet, -1 to10bar / 2038525 (1 offer) 
The festo shut-off valve HE-3-3/8-3/8 valve function=3/2 bistable. It has pneumatic connection, port 1=R3/8 and pneumatic connection, port 2=R3/8.Type of actuation manual Mounting type (* Optional,...
Festo
HA-M5-QS-4
£ 20.10*
per piece
 
 piece
Festo HB-M5-QS-4 Non Return Valve M5 Inlet, 4mm Tube Inlet, 5mm Tube Outlet, -1 to10bar / 2038549 (1 offer) 
The festo pressure regulator LR-1/8-QS-8 maintains an essentially constant output pressure on the secondary side independent of pressure fluctuations on the primary side and air consumption. The op...
Festo
HB-M5-QS-4
£ 20.10*
per piece
 
 piece
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