BSP Female Brass Air Gas Hex One Way Check Valve Non-return For Valve Water Oil. Product Name: Brass One Way Check Valves. Size: 1/8″ 1/4″ 3/8″ 1/2″ 3/4. Surface treatment: Nickel plating. ? HIGH QUALITY MATERIAL? Made from thick, solid brass that handles high pressure and thermal stress without warping or cracking, far stronger than thin cast fittings, for dependable long-term service in rugged systems. ? WIDE APPLICATION? Used to prevent backflow of the medium in the pipeline, through the medium itself to flow and thus automatically open and close the valve flap, only allows the medium to flow in one direction, it is suitable for most gases, water, oil. Package included: according to your choice. Select your requirements from the drop down menu above. All products in our store are elaborately made. We care about our valued buyers, if you have any questions, our Customer Service staff will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to the high volume of daily incoming emails and time zone difference, we may not be able to reply to your emails immediately. Please contact me before you return it. Feedback is very important to us. For the functional products in our shop, we make sure that the functions are the same as the description. About the product colour:Because of the different light and environment when the product is photographed, In a few instances the colour of the product may have a little colour difference with the actual colour of the product, I hope you can understand.

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