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 for entity structure end
Mirror polishing the stainless steel ball to test
The preload spring cushion to ensure low temperature leak tight and reducing thevalve operating torsion
According to the international standard against burst valve stem
Stem dry automatic lubrication bearing capacity and metal with PTEF coating, without additional lubricant
A floating or fixed ball valve
Feature selection: (on request)
Self rescue seat
Vertical device and stem extension
Special port and path
Antistatic device
The stem can emergency treatment of oil and fat
Valve lubricant and sealant of emergency equipment
Seal metal to metal seating
Double block and bleed
Double piston effect of valve seat
Fire safety design with graphite gasket
Use a plastic polymer sealing valve seat
Safety valve body cavity
Ball and stem of electroless nickel plating
Material:
Body: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)
Sphere: stainless steel 304 or 316 level
Seat: the metal seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..
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