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¡Ü Refinig & Petrochemical Industry(Á¤À¯ ¹× ¼®À¯È­ÇÐ »ê¾÷)

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¡Ü API 682 ±ÔÁ¤

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application

category

type

API 682

general purpose, (sour)water, non-flashing
hydrocarbons, caustic, amines 

pusher

QB

A 1, 2, 3

 

pusher inner dia pressurized

QBB

A 3 inboard

 

bellows general purpose

BX

B 1, 2, 3

 

bellows inner dia pressurized

BXB

B 3 inboard

light hydrocarbons(LHC)

pusher LHC

QBQ

A 1, 2

high pressure, crude, acids

pusher single spring

UC

A 1

high temperature plan 23, Boiler Feed Water

 

D

A 1

high temp non-flashing hydrocarbons

bellows high temp

BXRH

C 1

 

 

BXHH

C 1, 2, 3

 

bellows inner dia pressurized

BXHHB

C 3 inboard

dry contacting gas back-up

gas seals

GSD

 

lift-off back-up

 

GSL

 

lift-off gas seal (double)

 

GF 200

 

Sundyne equipment

OEM specialty equipment

GLS/GSS

 

 standard with 316 bellows core
     per API 682 avallable Alloy C-276 bellows core
standard with Alloy 718 bellows core

Typical materials used : SiC - antimony or resin impregnated carbon,(per)fluoroelastomer or high temperature grafoil gaskets, 316.
Other materials may be used per application requirements
(e.g.abrasives, corrosion and temperature)