Black Coupling Medium Type

Steel pipe nipples, barrel nipples,close nipple, hose nipple, Couplings, Sockets. Swage Nipples STD SCH40 SCH80 SCH160 1. Material of Carbon steel A106 ST37 or Stainless steel( 304/316) 2. Production standards as below: ANSI/ASTM A733/ ASTM A53/ ANSI B1.20.1 /A105 BS1387 BS EN10241/ BS 1387/ ISO7/1 DIN 2982 /DIN 2440/DIN 2999 3. Surface: Galvanized, hot-dipped Galvanized and black. 4. Packing: carton then put on pallet, wooden case, or as customer requirement.