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Stainless Steel Wafer Double Plate Check Valve

Stainless Steel Wafer Double Plate Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Product Details

Stainless Steel Wafer Double Plate Check Valve

Performance

size

DN40~DN800

DN40~DN600

PN

1.0MPa

1.6MPa

Test pressure

shell

1.1MPa

1.76MPa

sealing

1.5MPa

2.4MPa

Applicable temperature

1-EPDM

-30℃~+110℃

2-neoprene

-7℃~+93℃

3-NBR

-12℃~+82℃

4-viton

+10℃~+150℃

Applicable medium

Fresh water, sea water, air, vapor, food, medicine, oil, acid, alkali, salt, etc.

 

Materials list

Body

Disc

Stem

Bushing

Seat



Working temp(°C)

CI

Nickel coated DI

416SS

Lubricating bronze

rubber

-20℃-+85℃

DI

WCB

431SS

PTFE

Hypalon

-18℃-+135℃

WCB

ALB-bronze

316SS

SS+PTFE

EPDM

-30℃-+110℃

ALB-bronze

SS



Neoprene

-7℃-+93℃

SS




NBR

-12℃-+82℃





Wear-resistant Rubber

-10℃-+50℃





Viton

-23-+150





Heat-resistant Rubber

-20℃-+150℃





PTFE

+10℃-+150℃


Standard

Design

Face to Face

End Flange

Test & Check

MSS SP-67

API609

EN593

API609

ISO5752 series 20

BS5155

DIN PN10/16/25

ANSI B16.1

BS4504

ISO PN10/16

JIS B2212/2213

BS 10 Table D

BS 10 Table E

API598

 



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