316 : PN16/PN40 WCB : PN16 : A3FWCB1604-040 PN40 : A3FWCB4004-040 SIZE : 1/4"-4" FULL BORE Flange : DIN2633-PN-16 / DIN2635-PN40 Face to Face : DIN3202-F1 Length. Materials : ASTM A351-CF8M (DIN 1.4408) Stainless Steel ASTM A216-WCB (DIN 1.0619) Carbon Steel Currency: USD Unit Price: 18.7 Quantity: 100 Delivery: as per your inquirment