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"
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