Check valve is made of casting aluminum. The thread is from 1/8"-2"; Orifice is from 6mm-50mm

We produce solenoid valves and coils, including 2 way solenoid valve, 3 way solenoid valves, 4 way solenoid valves, 5/2 solenoid valve, water solenoid valve, gas solenoid valve, air solenoid valve, directional solenoid valve, pilot operated solenoid valve, NC solenoid valve, NO solenoid valve, high pressure solenoid valve, steam solenoid valve, miniature solenoid valve, pulse solenoid valve, pneumatic valve, timer drain valve, piston valve, actuator valve, angle valve, flow control valve, pressure valve, diaphragm valve, solenoid valves manifold, 12VDC solenoid valve, low pressure solenoid valve, CE solenoid valve, UL solenoid valve, RoHS solenoid valve, pinch valve, manifolds valve, foot valve, hand valve, mechanical valve, shuttle valve, slide valve, quick exhaust valve, ball valve, large flow valve, fountain valve, welding solenoid valve, check valve, explosion proof solenoid valve, and equivalent of SMC solenoid valve, PARKER solenoid valve, BURKERT solenoid valve, ASCO valve, JORC valve.