Jay Industries offers Double Check Valve to Suit Pressure Up to 5000 psi. Jay Industries is an ISO 9001:2000 certified company. Double Check Valve to Suit Pressure Up to 5000 psi is manufactured in VV Series. It works on simple `push & pull` principle. The adaptor when pushed into coupler is securely held by the self locking arrangement resulting in a positive and leak proof connection. This action simultaneously opens the valve and the fluid flow starts. The body is made from raw materials like brass, carbon steel, etc. The Double Check Valve to Suit Pressure Up to 5000 psi is widely used on fluids line connections like liquids, oil etc. And also used in fertilizers, chemicals, petroleum, textiles, machine tools, refrigeration.