Dual-Plate Wafer Check Valve 300LB

Dual-Disc/Double Plate Wafer Type Check Valve 300LB DCV Series Standard : Performance: Materials list: Features: Economical design: Low Weight and short laying length produce savings initial cost, space requirements and installation when compared to Full-body swing type check valve Quick closure...

Product Details

Dual-Disc/Double Plate Wafer Type Check Valve 300LB  

DCV Series


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

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°C~+110°C

2-neoprene

-7°C~+93°C

3-NBR

-12°C~+82°C

4-viton

+10°C~+150°C

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°C-+85°C

DI

WCB

431SS

PTFE

Hypalon

-18°C-+135°C

WCB

ALB-bronze

316SS

SS+PTFE

EPDM

-30°C-+110°C

ALB-bronze

SS



Neoprene

-7°C-+93°C

SS




NBR

-12°C-+82°C





Wearresistant Rubber

-10°C-+50°C





Viton

-23°C-+150°C





Heat-resistant Rubber

-20°C-+150°C





PTFE

+10°C-+150°C

Features:

  • Economical design: Low Weight and short laying length produce savings initial cost, space requirements and installation when compared to Full-body swing type check valve

  • Quick closure


No. PART CV42/CV42L-CS CV42/CV42L-SS
 1 Body          Carbon Steel      Stainless Steel
 A216 Gr. WCB     A351 Gr. CF8M
 2 Seat          Metal/Viton/Buna-N   Metal or Viton
 3 Disc           Stainless Steel     Stainless Steel
 A351 Gr. CF8M    A351 Gr. CF8M
 4 Spring (2)       Inconel X-750    Inconel X-750
 5 Shaft/Stop Pin    Stainless Steel  Stainless Steel
 A276 Gr. 316     A276 Gr. 316
 6 Cap Carbon Steel  ASTM A105    Stainless Steel A351 Gr. CF8M
 7 Eye Bolt         Carbon Steel    Carbon Steel

图片29.jpg

Specification

IN

DN

D

L

2

50

103

60

2 1/2

65

122

67

3

80

135

73

4

100

173

73

5

125

195

86

6

150

221

98

8

200

305

127

10

250

359

146

12

300

420

181

14

350

483

222

16

400

537

232

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