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" Temperature: -60 ~ 450 F Advantages : Produced from investment casting through in-house lost wax process foundry; PRICE FOR Reduce CouplingO.D. MACHINED (COUPLING O.D.M.) size Price:(ss304) 1/8" 0.38 1/4" 0.41 3/8" 0.44 1/2" 0.73 3/4" 1.06 1" 1.52 11/4" 2.15 11/2" 2.63 2" 4.31 21/2" 6.02 3" 7.39 4" 12.96 THE PRICE IS ON FOB BASIS, AND IF QUANTITY GOOD, CAN BE LOWER 5%-10% ON THE ABOVE BASIS. IF MATERIAL 316, THE PRICE IS HIGHER 10%