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Code: CIM3007 Valves

CIM 30DK Check Valve

£18.62

Inc. VAT: £22.34

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The CIM 30DK Check Valve is a spring loaded, non return valve designed for use with heating, sanitary, compressed air systems, pumps and fuel distribution networks. These check valves can be fitted in vertical, horizontal or oblique pipelines to allow the flow to go in one direction. These non return valves with Viton seals have F x F BSP internal threads on both the inlet and outlet.

Forged brass body
Stainless steel spring
F x F BSP Inlet/Outlet
Spring Pressure (bar / psi) of 0.025/0.36

4.0

12 Reviews

5★

4★

3★

2★

1★

James H.

Verified Buyer • 12 Mar 2026

Excellent product — exactly as described.

Used this on a JCB 3CX turbo downpipe. Fits perfectly, holds up very well to heat cycles. Much better than the fibreglass wrap I used previously — no itching, easier to handle. Will definitely be ordering again.

Mark T.

Verified Buyer • 28 Feb 2026

Great value, fast delivery.

Good quality wrap for the price. Arrived next day which was great. The 50mm width covered my headers nicely with a bit of overlap. Holds up well after a few heat cycles.

S. Patel

Verified Buyer • 14 Jan 2026

Decent product, application tricky without soaking first.

Wrap itself is good quality but I'd strongly advise soaking in water for 10–15 mins before wrapping — it makes it much more pliable and easier to apply. Didn't do this first time and it was frustrating. Product is fine though, no complaints.

Available Options

CIM3012

1 ½" FxF BSP CIM 30DK Non Return Valve

£80.17

Inc. VAT: £96.20

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1 1/2" F BSP

CIM3011

1 ¼" FxF BSP CIM 30DK Non Return Valve

£53.59

Inc. VAT: £64.31

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1 1/4" F BSP

CIM3010

1" FxF BSP CIM 30DK Non Return Valve

£35.51

Inc. VAT: £42.61

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1" F BSP

CIM3008

½" FxF BSP CIM 30DK Non Return Valve

£18.62

Inc. VAT: £22.34

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1/2" F BSP

CIM3014

2 ½" FxF BSP CIM 30DK Non Return Valve

£191.31

Inc. VAT: £229.57

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 2 1/2" F BSP

CIM3013

2" FxF BSP CIM 30DK Non Return Valve

£106.82

Inc. VAT: £128.18

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 2" F BSP

CIM3015

3" FxF BSP CIM 30DK Non Return Valve

£357.71

Inc. VAT: £429.25

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3" F BSP

CIM3007

3/8" FxF BSP CIM 30DK Non Return Valve

£18.62

Inc. VAT: £22.34

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3/8" F BSP

CIM3009

¾" FxF BSP CIM 30DK Non Return Valve

£24.29

Inc. VAT: £29.15

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3/4" F BSP

CIM3016

4" FxF BSP CIM 30DK Non Return Valve

£472.20

Inc. VAT: £566.64

Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 4" F BSP

Code	Name	Description	Price
CIM3012	1 ½" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1 1/2" F BSP	£80.17 Inc. VAT: £96.20
CIM3011	1 ¼" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1 1/4" F BSP	£53.59 Inc. VAT: £64.31
CIM3010	1" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1" F BSP	£35.51 Inc. VAT: £42.61
CIM3008	½" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 1/2" F BSP	£18.62 Inc. VAT: £22.34
CIM3014	2 ½" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 2 1/2" F BSP	£191.31 Inc. VAT: £229.57
CIM3013	2" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 2" F BSP	£106.82 Inc. VAT: £128.18
CIM3015	3" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3" F BSP	£357.71 Inc. VAT: £429.25
CIM3007	3/8" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3/8" F BSP	£18.62 Inc. VAT: £22.34
CIM3009	¾" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 3/4" F BSP	£24.29 Inc. VAT: £29.15
CIM3016	4" FxF BSP CIM 30DK Non Return Valve	Body - Brass Spring - Stainless Steel Spring pressure (bar/psi) - 0.025/0.36 Seal - Viton 4" F BSP	£472.20 Inc. VAT: £566.64

CIM 30DK Check Valve

Available Options

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