Size: full size & standard size DN50 (2 ") 1400 ~ DN (56")
Pressure rating: ANSI Class 150 ~2500, PN 16 ~ 420
Working temperature: -29 degrees C (-20 degrees F) ~ +200 degrees C (392 degrees F)
To adapt to the medium: Oil / gas, LNG / LPG gas, petroleum chemical industry, iron and steel plant, heating pipes etc.
Mode of operation: the handle, gear (vertical / horizontal), electric
Standard features:
Butt welding & flange by a l entity structure end
The L mirror polished stainless steel ball to test
L pre load spring cushion to ensure low temperature leak tight and reducing the valve operating torsion
According to the international standard L against burst valve stem
L stem dry automatic lubrication bearing capacity and metal with PTEF coating,without additional lubricant
L floating or fixed ball valve
Feature selection: (on request)
L rescue seat
L vertical device and stem extension
L special port and path
L antistatic device
L stem can emergency treatment of oil and fat
L valve lubricant and sealant of emergency equipment
L metal to metal seating
L double block and bleed
L double piston action valve
Fire safety design of L with graphite gasket
Plastic polymers to seal l seat
The safety valve for the L cavity
L ball and stem of electroless nickel plating
Material:
L valve: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)
The L sphere: stainless steel 304 or 316 level
L seat: metal valve seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peeketc..
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