The standard of full welded ball valve A

Dateline:2014-11-30    Hits:

Size: full size & standard size DN15-DN1400 1/2 "American Standard ~ 56"

Pressure rating: PN 16 ~ 420, ANSI Class 150 ~2500

Working temperature: -29 degrees C (-20 degrees F) ~ +200 degrees C (392 degrees F)

To adapt to the media: heating pipeline, LNG / liquefied petroleum gas, petrochemical,steel mills, oil / gas etc.

Mode of operation: the handle, gear (vertical / horizontal), electric

Standard features:

Integrated structure: Welding & flange end

The sphere mirror polishing material F304

Butterfly pad spring to ensure no leakage and reduce the high temperature and high pressure valve operating torsion

According to the international standard valve stem anti blow out

Stem bearing material: automatic lubricating ability of alloy +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: metal valve seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..


手機網站

亚洲伊人色欲无码综合网站-亚洲色大成网站WWW永久网站-jizz大全日本护士喷奶水-无遮挡H肉动漫网站免费观看