Pneumatic Non-Return Valves

Pneumatic non-return valves are one of the simplest types of pneumatic valves available. They allow compressed air to flow in one direction and prevent or block it from flowing in the opposite direction. Also known as a check valve these simple but effective devices help to eliminate any potential damage that may be caused by backflow pressure. RS offer a range of high-quality valves from leadi...

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SMC ASR Air Saving Valve R 1/2 Inlet, 10mm Tube Outlet, 1 → 3bar
SMC ASR Air Saving Valve R 1/2 Inlet, 10mm Tube Outlet, 1 → 3bar
Add to parts list
RS Stock No.: 254-8182Brand: SMCManufacturers Part No.: ASR630F-04-10S

€ 84.70

€ 84.70 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 84.70
Add to basket
SMC
-
Threaded
R 1/2
-
10mm
ASR
-
-
-
-
-
-
-
-
-
1 → 3bar
-
-
-
-
-
SMC AKB Non Return Valve NPT 1/8 Male Inlet, NPT 1/8 Female Outlet, -100 kPa to 1MPa
SMC AKB Non Return Valve NPT 1/8 Male Inlet, NPT 1/8 Female Outlet, -100 kPa to 1MPa
Add to parts list
RS Stock No.: 849-7238Brand: SMCManufacturers Part No.: AKB01B-N01S

€ 17.06

€ 17.06 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 17.06
Add to basket
SMC
-
Threaded
NPT 1/8 Male
Threaded
-
AKB
NPT 1/8 Female
0.005MPa
Female
-100kPa
1 MPa
+60°C
Female
1/8
-
-100 kPa to 1MPa
-5°C
1/8
NPT
NPT
-
SMC AKB Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, -100 kPa → 1 MPa
SMC AKB Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 849-7231Brand: SMCManufacturers Part No.: AKB02B-N02S

€ 22.26

€ 22.26 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 22.26
Add to basket
SMC
-
Threaded
NPT 1/4 Female
Threaded
-
AKB
NPT 1/4 Female
0.005MPa
Female
-100kPa
1 MPa
+60°C
Female
1/4
-
-100 kPa → 1 MPa
-5°C
1/4
NPT
NPT
-
SMC AK Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, 0.02 to 1MPa
SMC AK Non Return Valve NPT 1/4 Female Inlet, NPT 1/4 Female Outlet, 0.02 to 1MPa
Add to parts list
RS Stock No.: 849-7225Brand: SMCManufacturers Part No.: AK2000-N02

€ 32.79

€ 32.79 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 32.79
Add to basket
SMC
-
Threaded
NPT 1/4 Female
Threaded
-
AK
NPT 1/4 Female
0.02MPa
Female
0.02MPa
1 MPa
+60°C
Female
1/4
-
0.02 to 1MPa
-5°C
1/4
NPT
NPT
-
SMC AK Non Return Valve NPT 1/2 Female Inlet, NPT 1/2 Female Outlet, 0.02 to 1MPa
SMC AK Non Return Valve NPT 1/2 Female Inlet, NPT 1/2 Female Outlet, 0.02 to 1MPa
Add to parts list
RS Stock No.: 849-7229Brand: SMCManufacturers Part No.: AK4000-N04

€ 39.57

€ 39.57 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 39.57
Add to basket
SMC
-
Threaded
NPT 1/2 Female
Threaded
-
AK
NPT 1/2 Female
0.02MPa
Female
0.02MPa
1 MPa
+60°C
Female
1/2
-
0.02 to 1MPa
-5°C
-
NPT
NPT
-
SMC AK Non Return Valve Rc 1/4 Female Inlet, 0.02 to 1MPa
SMC AK Non Return Valve Rc 1/4 Female Inlet, 0.02 to 1MPa
Add to parts list
RS Stock No.: 249-5882Brand: SMCManufacturers Part No.: AK2000-02-X209

€ 45.13

€ 45.13 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 45.13
Add to basket
SMC
-
Threaded
Rc 1/4 Female
-
-
AK
-
0.02MPa
Female
0.02MPa
1 MPa
+60°C
-
1/4in
-
0.02 to 1MPa
-5°C
-
Rc
-
-
SMC AKH Non Return Valve, 6mm Tube Inlet, 6mm Tube Outlet, -100 kPa → 1MPa
SMC AKH Non Return Valve, 6mm Tube Inlet, 6mm Tube Outlet, -100 kPa → 1MPa
Add to parts list
RS Stock No.: 367-0624Brand: SMCManufacturers Part No.: AKH06-00

€ 13.31

€ 13.31 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 13.31
Add to basket
SMC
6mm
Tube
-
Tube
6mm
AKH
-
0.005MPa
-
-100kPa
1 MPa
+60°C
-
-
-
-100 kPa → 1MPa
-5°C
-
-
-
-
SMC AKH Non Return Valve, 8mm Tube Inlet, 8mm Tube Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 8mm Tube Inlet, 8mm Tube Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 367-0630Brand: SMCManufacturers Part No.: AKH08-00

€ 20.57

€ 20.57 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 20.57
Add to basket
SMC
8mm
Tube
-
Tube
8mm
AKH
-
0.005MPa
-
-100kPa
1 MPa
+60°C
-
-
-
-100 kPa → 1 MPa
-5°C
-
-
-
-
SMC AKH Non Return Valve, 12mm Tube Inlet, 12mm Tube Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 12mm Tube Inlet, 12mm Tube Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 367-0652Brand: SMCManufacturers Part No.: AKH12-00

€ 41.62

€ 41.62 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 41.62
Add to basket
SMC
12mm
Tube
-
Tube
12mm
AKH
-
0.005MPa
-
-100kPa
1 MPa
+60°C
-
-
-
-100 kPa → 1 MPa
-5°C
-
-
-
-
SMC AKH Non Return Valve, 10mm Tube Inlet, 10mm Tube Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 10mm Tube Inlet, 10mm Tube Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 367-0646Brand: SMCManufacturers Part No.: AKH10-00

€ 30.73

€ 30.73 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 30.73
Add to basket
SMC
10mm
Tube
-
Tube
10mm
AKH
-
0.005MPa
-
-100kPa
1 MPa
+60°C
-
-
-
-100 kPa → 1 MPa
-5°C
-
-
-
-
SMC AK Non Return Valve, Rc 1 Female Outlet, 0.02 to 1MPa
SMC AK Non Return Valve, Rc 1 Female Outlet, 0.02 to 1MPa
Add to parts list
RS Stock No.: 826-8106Brand: SMCManufacturers Part No.: AK6000-10

€ 85.91

€ 85.91 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 85.91
Add to basket
SMC
-
-
-
Threaded
-
AK
Rc 1 Female
0.02MPa
-
0.02MPa
1.5 MPa, 1 MPa
+60°C
Female
-
-
0.02 to 1MPa
-5°C
1in
-
Rc
-
SMC AKH Non Return Valve R 1/8 Inlet, 4mm Tube Inlet, 4mm Tube Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve R 1/8 Inlet, 4mm Tube Inlet, 4mm Tube Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 367-0618Brand: SMCManufacturers Part No.: AKH04-00

€ 12.83

€ 12.83 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 12.83
Add to basket
SMC
4mm
Tube
R 1/8
Tube
4mm
AKH
-
0.005MPa
-
-100kPa
1 MPa
+60°C
-
1/8 in
Nylon
-100 kPa → 1 MPa
-5°C
-
-
-
-
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8125Brand: SMCManufacturers Part No.: AKH04B-M5

€ 14.04

€ 14.04 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 14.04
Add to basket
SMC
4mm
Tube
-
Threaded
-
AKH
M5 x 0.8 Male
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
Male
-
-
-100 kPa → 1 MPa
-5°C
M5 x 0.8 mm
-
Metric
-
SMC AKH Non Return Valve, 8mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 8mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8131Brand: SMCManufacturers Part No.: AKH08B-01S

€ 17.79

€ 17.79 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 17.79
Add to basket
SMC
8mm
Tube
-
Threaded
-
AKH
R 1/8 Male
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
Male
-
-
-100 kPa → 1 MPa
-5°C
1/8in
-
R
-
SMC AKH Non Return Valve, 1/4in Tube Inlet, 1/4in Tube Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 1/4in Tube Inlet, 1/4in Tube Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8128Brand: SMCManufacturers Part No.: AKH07-00

€ 15.61

€ 15.61 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 15.61
Add to basket
SMC
1/4in
Tube
-
Tube
1/4in
AKH
-
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
-
-
-
-100 kPa → 1 MPa
-5°C
-
-
-
-
SMC AKH Non Return Valve, 4mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 4mm Tube Inlet, R 1/8 Male Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8116Brand: SMCManufacturers Part No.: AKH04B-01S

€ 15.00

€ 15.00 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 15.00
Add to basket
SMC
4mm
Tube
-
Threaded
-
AKH
R 1/8 Male
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
Male
-
-
-100 kPa → 1 MPa
-5°C
1/8in
-
R
-
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 4mm Tube Inlet, M5 x 0.8 Male Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8112Brand: SMCManufacturers Part No.: AKH04A-M5

€ 14.04

€ 14.04 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 14.04
Add to basket
SMC
4mm
Tube
-
Threaded
-
AKH
M5 x 0.8 Male
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
Male
-
-
-100 kPa → 1 MPa
-5°C
M5 x 0.8 mm
-
Metric
-
SMC AKH Non Return Valve, 3/8in Tube Inlet, NPT 1/2 Male Outlet, -100 kPa → 1 MPa
SMC AKH Non Return Valve, 3/8in Tube Inlet, NPT 1/2 Male Outlet, -100 kPa → 1 MPa
Add to parts list
RS Stock No.: 826-8140Brand: SMCManufacturers Part No.: AKH11A-N04S

€ 42.96

€ 42.96 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 42.96
Add to basket
SMC
3/8in
Tube
-
Threaded
-
AKH
NPT 1/2 Male
0.005MPa
-
-100kPa
1.5 MPa, 1 MPa
+60°C
Male
-
-
-100 kPa → 1 MPa
-5°C
1/2in
-
NPT
-
SMC ASR Non Return Valve R 1/2 Male Inlet, 12mm Tube Outlet, Maximum of 1MPa
SMC ASR Non Return Valve R 1/2 Male Inlet, 12mm Tube Outlet, Maximum of 1MPa
Add to parts list
RS Stock No.: 721-3575Brand: SMCManufacturers Part No.: ASR630F-04-12S

€ 84.70

€ 84.70 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 84.70
Add to basket
SMC
-
Threaded
R 1/2 Male
Tube
12mm
ASR
-
-
Male
-
1 MPa
+60°C
-
1/2in
-
Maximum of 1MPa
-5°C
-
R
-
-
SMC AK Check Valve G 3/4 Inlet, 0.2 → 10bar
SMC AK Check Valve G 3/4 Inlet, 0.2 → 10bar
Add to parts list
RS Stock No.: 232-8991Brand: SMCManufacturers Part No.: EAK6000-F06

€ 83.49

€ 83.49 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 83.49
Add to basket
SMC
-
Threaded
G 3/4
-
-
AK
-
-
-
-
-
-
-
-
-
0.2 → 10bar
-
-
-
-
-