Pressure Rate(Lb)

Test Pressure(Mpa)

Shell

Seal(water)

Seal(air)

Back seal

150

3.1

2.2

0.6

2.2

300

7.8

5.6

5.6

Body

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

A216 WCB

A217  WC6 ,WC9

A352 LCB

Operating Temperature(℃)

≤275

≤275

≤200

-30~200

≤260

≤540

-45~150

Applicable Medium

Technical Steam,Weak Acid

Nitric Acid, Urea

Acid,Alkali

Urea, Methylic Ammonium Liquid

Hydrofluoric Acid

Water,Steam,Rock Oil,Rock Oil Goods.

Ammonia

Parts

Material

Body, Bonnet

A216 WCB

A217 WC6,WC9

LCB

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

Disc

Monel

20CrMov, 15Cr1Mo1V Surfacing Welding Stellite

0Cr18Ni9Ti Surfacing Welding Stellite

304

Surfacing Welding Stellite

0Cr18Ni12Mo2Ti Surfacing Welding Stellite

304L Surfacing Welding Stellite

316L Surfacing Welding Stellite

Seat

Monel

20CrMov,15Cr1Mo1V Surfacing Welding Stellite

0Cr18Ni9Ti Surfacing Welding Stellite

304

Surfacing Welding Stellite

0Cr18Ni12Mo2Ti Surfacing Welding Stellite

A351 CF3 Surfacing Welding Stellite

A351 CF3M Surfacing Welding Stellite

Stem

Monel

20CrMo1V1A

0Cr18Ni9Ti

304

0Cr18Ni12Mo2Ti

304L

316L

Gasket

PTFE

High Temperature Resistance Asbestus,Stainless Steel

PTFE

High Temperature Resistance Asbestus,Stainless Steel

High Temperature Resistance Asbestus,Stainless Steel

High Temperature Resistance Asbestus,Stainless Steel

PTFE

Packing

PTFE

Expanded Graphite Asbestos,Filar Ni

Asbestus (be impregnated with tetrafluoroethylene)

Asbestus Rope(be impregnated with tetrafluoroethylene)

Asbestus Rope(be impregnated with PTFE)

Asbestus Rope(be impregnated with PTFE)

Expanded Graphite Asbestos,Filar Ni

Bolt

431

25Cr2Mo1V

0Cr18NI9Ti

304

431

431

431

Nut

420S

35CrMoA

420S