Special properties:
1.Produced from investment casting through in-house lost wax process foundry;
2.Schedule 40,150 pound;
3.Thread-test prior to shipment;
4.Pneumatic pressure testing is performed on every fitting manufactured;
5.Material chemical composition analysis by spectrometer on every furnace before casting is strictly executed;
6.Unions are completely interchangeable;
7.No burrs are inside

Specifications:
Material: stainless steel AISI316/304, ASTM A315 CF8M/CF8
Threads: ANSI B1.20.1(NPT),BS ZI,(PT,BSP) DIN:2999/259
Dimension: MSS-SP-114,ISO49-1983
Rating: 150PSI on pipe fittings; PN10 on compression unions
Size: 1/8"-4"