Non Return Valve (NRV) 3/4 M x 1/2 M x 1/8
Non Return Valve (NRV) 3/4 M x 1/2 M x 1/8/ s-9048003
3/4 M – To Tank
1/2 M – To Delivery Pipe
1/8 x 6mm – To Bleed/ Switch
What does a non-return valve do on a compressor?
The sole purpose of the Non-return valve (NRV) is to hold the tank pressure without releasing back pressure to the pump. If the seal isn’t closed/sealed correctly this will create an air leak from the back of the pressure switch.
Non-return valves (also called check valves) maintain line pressure in the event of unexpected decompression, preventing contamination of the process, protecting equipment against damage, and improving safety.
Is a non-return valve necessary?
A non-return valve is used for what many consider to be basic and standard backflow prevention requirements within any processing system, but the consequences of using a check valve which is not up to the job and not designed for the specific application or industry can be catastrophic.
Do I need a non- return valve/ check valve on my air compressor?
A check valve prevents the air from the pressure tank from going back into the piston cylinder. The mechanism keeps the outlet sealed when there is a higher pressure on the outlet (tank) than on the compressor side. Without a check valve, there would be no way to fill the pressure tank.
Warranty
If you have an issue with any item purchased from Compressed Air Systems UK or Tanair Compressors, please get in touch with us as soon as possible. Most of our items come with a 12 month* warranty unless otherwise stated. Please see our “specification” tab for further information, of your warranty period.
Our warranty motto:
“No Quibble, No worries and nothing hidden! Reliability we stand by, service when you need us! Reliability and service you can depend on!”
Our questions to you:
Is your item faulty?
Do you have a Warranty issue?
How can we help?
*Conditions apply, please Contact us for further information or complete the below form.
Are you looking for service spares, lubricants, spare parts, help, or anything else for the above product? Complete the below form, and a member of our team will come back to you.
If possible, please include the SKU.
Shipping and Delivery
UK Mainland Delivery costs:
When adding an item to your basket, our website will calculate your delivery charged based on location and weight. If you are unsure, please see ”Basket totals” for confirmation.
Please be aware, our cut off time for orders to be processed the same day is 2:00 PM, if your order is URGENT, please reply to your order confirmation and we will try our best to accommodate your request.
Delivery is FREE on all orders placed via our website of £700 or more*.
Please be advised, in most cases a courier will be used. This will be confirmed on your shipping confirmation email.
For stocked items, please allow 2 – 3 days for delivery. For none-stocked items, please allow a little longer, we will contact you to confirm any additional charges and your delivery date.
*UK Mainland Only.
UK Delivery Costs Outside of Mainland UK :
Deliveries to the following locations will incur additional charges and may take up to two working days longer:
- The Scottish Highlands & Islands
- The Isle of Wight
- The Isle of Man
- Northern Ireland
A delivery charge will apply on ALL orders placed by other means, such as adverts on other market selling places, quotation, pro/forma invoice or unless mentioned otherwise. We reserve the right to implement a delivery charge may apply for none stocked items, please contact us for further information.
UK Standard Delivery Further Information:
You can have your orders delivered to a home or work address that’s convenient for you, including Hospitals, Airports and Prisons.
You can enter delivery instructions when you’re placing your order and we will ensure to pass onto our courier, however Compressed Air Systems UK are not liable for any parcels that are lost or stolen if specific delivery instructions are left for the carrier.
PLEASE NOTE THAT DURING FESTIVE SEASONS OR BANK HOLIDAYS, DELIVERIES WILL TAKE LONGER THAN USUAL. DELIVERIES DURING THIS TIME ARE DELIVERED WITHIN 9 WORKING DAYS OF PLACING YOUR ORDER (EXCLUDING SUNDAYS), WE WILL CONFIRM THE EXPECTED DELIVERY DATE WHEN YOU PLACE YOUR ORDER.
We are unable to deliver on Bank Holidays so please allow an extra working day for this.
Delivery will take place between 07:00 and 17:00 and in most cases a signature may be required. If nobody is available when your parcel is delivered and there isn’t a safe place to leave the parcel, the delivery driver will leave a calling card with instructions on how to rearrange delivery.
Here at Compressed Air Systems UK, we provide an extensive range of all things compressed air. With over 30 years experience we have whatever you need, fantastic knowledge, buy from our selection of the latest air compressors and air compressor parts, to bespoke installations, services and repairs of air compressors. Our experts are here to help.
For further information on our company, please see our brochure below.
Compressed Air Systems UK Introduction Brochure
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