... ) , Slip-on(SO) , Threaded(TH) , Socket-welding(SW) , Blind(BL) , Orifice flange (OF),or by customers' drawings for special use;4. Material ... ,EN,GB.6. Size: 3/8 "-- 60", 1/2" -- 24" or by customers' special size.7. Pressure class: 150 lbs. to ... , Black paint and anti-rust oil.10. Test: Factory inspection or third party inspection11. Packing: Plastic packing with Plywood case and ...