Non-Return Valve

IB0588

£11.00 GBP excl. VAT

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John Guest check valve

In-line valve designed to allow flow in one direction and limit return flow in the opposite direction within a compatible installation.

Measurements

Available for 3/8" and 5/16" tube, depending on the variant.

Application

Used when you need to control the flow direction and reduce unwanted backflow within a line.

Installation

Depressurize, identify the valve’s functional direction, cut the tubes straight and insert fully. Check operation and leak tightness before putting into service.

Maintenance

If you notice restriction or abnormal backflow, check the valve’s orientation, cleanliness and condition. Do not assume that a check valve replaces other safety devices in the system.

Frequently asked questions

What sizes are available?
3/8" and 5/16".

Does it have a flow direction?
Yes, the functional direction must be respected.

Is it a shut-off valve?
No; its function is non-return.

What should I check if no fluid is passing through?
Orientation and possible obstructions.

Shipping: check availability, lead time and applicable cost before completing your order.

Terms: see the shipping, returns and warranty pages for the applicable conditions.

Technical specifications

Tube size: 3/8''
Thread
Connection
Pressure
Temperature
Dimensions

Non-Return Valve

Non-Return Valve