Inline Check Valve w 1 4" Quick Connect Push Connect Fittings for Kina Custom In Line Kontrollventil Produsenter, Leverandrer INLINE CHECK VALVES Trausch Dynamics Stainless Steel Female Swing Check Valve with Internal Thread China. Vibrant Performance check valves are lightweight and constructed entirely from 6061 aluminum alloy. Vibrant Performance check valves are designed to prevent flow back of all varieties of fuel, oil or coolant and will stand up to the most rigorous operating environments. and are capable of handling temperatures ranging from 30deg F to 400deg F and operating pressures up to 300psi. All Vibrant Performance check valves are available in anodized black only