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Wholesale 4 check valve high quality factory for wholesale

Wholesale 4 check valve high quality factory for wholesale
  • Wholesale 4 check valve high quality factory for wholesale
  • Wholesale 4 check valve high quality factory for wholesale
  • Wholesale 4 check valve high quality factory for wholesale

Wholesale 4 check valve high quality factory for wholesale

The material of we used has a good durability. Its efficiency is unparalleled, especially under high-stress situations
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Statement


Gate valves serve to cut the medium flow in the piping system, widely used in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, fire protection as well as chemical and energy industry.

Features


Material

Ductile Iron ASTM A536, 65-45-12
Body, bonnet, wedge, handwheel and operating nut are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.


Triple O-ring Stem Seals

The lower O-ring isolates the stem thrust collar bearing area from the waterway. The upper two O-rings can easily be replaced in the line while the valve is under pressure in the open position.


Stainless Steel Stem, Brass Thrust Collar and Bronze Wedge Nut

This life-tested MEIDE design has repeatedly proven its superior strength and abrasive resistance.


Fusion Bonded Epoxy Coating

Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.


Long Service Life with Resilient Seat Cycling Test 1,000 times

The Valve has been subjected to 1,000 cycles of operation at a maximum rate of 6 cycles of operation per minute from fully closed to fully open and from fully open to fully closed positions under cycled hydrostatic pressure.




MATERIAL SPECIFICATION



Wholesale 4 check valve high quality factory for wholesale-1
Z45X


• Connection Ends: Flange to BS EN 1092-2:199

• Working Pressure: PN10/PN16

• Temperature Range: 0℃- 80

• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550



Part No.

Part

Standard Specification

Options

1

Valve Body

EN-GJS-450-10

 

2

Resilient Wedge Disc

EN-GJS-450-10+EPDM

 

3

Stem

SS420

SS304, SS316, SS431, Al-bronze

4

Nut

Carbon Steel Zinc Plated

SS304, SS316

5

Bonnet

EN-GJS-450-10

 

6

O-Ring

NBR

EPDM

7

Gland

EN-GJS-450-10

 

8

Handwheel

EN-GJS-450-10

Pressed Steel

9

Bolt

Carbon Steel Zinc Plated

SS304, SS316

10

Flat Washer

Carbon Steel Zinc Plated

SS304, SS316

11

Ring Wiper

NBR

EPDM

12

Bolt

Carbon Steel Zinc Plated

SS304, SS316

13

Flat Washer

Carbon Steel Zinc Plated

SS304, SS316

14

O-Ring

NBR

EPDM

15

Thrust Washer

Brass HPb59-1

 

16

Bonnet Gasket

EPDM

NBR

17

Wedge Nut

Brass HPb59-1

Bronze ZQSn5-5-5

Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.


Wholesale 4 check valve high quality factory for wholesale-2


DN

PN

Dimensions(mm)

Inch

mm

 

L

H

D

D1

d

C

T

n-d

2"

50

10/16

178

218

165

125

99

19

3

4-Φ19

2.5"

65

10/16

190

232

185

145

118

19

3

4-Φ19

3"

80

10/16

203

281

200

160

132

19

3

8-Φ19

4"

100

10/16

229

316

220

180

156

19

3

8-Φ19

5"

125

10/16

254

393

250

210

184

19

3

8-Φ19

6"

150

10/16

267

420

285

240

211

19

3

8-Φ23

 

8"

 

200

10

 

292

 

490

 

340

 

295

 

266

 

20

 

3

8-Φ23

 

 

16

 

 

 

 

 

 

 

12-Φ23

 

10"

 

250

10

 

330

 

626

 

405

350

 

319

 

22

 

3

12-Φ23

 

 

16

 

 

 

355

 

 

 

12-Φ28


A good design of is a icing on the cake in Mech. This product can last for five years or more
has combined with a reasonable structure design of . It has the advantages of temperature tolerance
It is a great addition for to design . This product does not need prolonged priming when it starts
Being rich in its unique design, has received much more fame from customers at home and abroad. This product features relatively low self-discharge
helps to be the most salable product in our market. Its fast charging ability help minimize downtime
Quality assurance: the product is under strict quality control procedure during production and careful inspection before delivery. All these measures make contributions to quality assurance. This product features relatively low self-discharge
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