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Mech silent back pressure check valve manufacturers air conditioning

Mech silent back pressure check valve manufacturers air conditioning

Connection Ends
Flange to BS EN 1092-2:1997
Temperature Range
0℃- 80℃ rubber gasket
-10℃- 350℃ graphite gasket
Coating
FusionBondedEpoxyCoatinginaccordancewithANSI/AWWAC550orpaintinguponrequest
Working Pressure
PN10/PN16
Price
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Statement


Check valves serve to prevent the backflow of medium in the piping system for protection of important equipments, 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 EN-GJS-450-10

Valve body, bonnet, disc are all produced in ductile iron material which provides guarantee for high strength and good corrosion 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.


Small hydraulic friction loss with reasonable structure design




MATERIAL SPECIFICATION



Mech silent back pressure check valve manufacturers air conditioning-1
H44X, H44T


• Connection Ends: Flange to BS EN 1092-2:1997

• Working  Pressure: PN10/PN16

• Temperature Range: Rubber Seal: 0℃- 80℃
   Metal Seal: -10℃- 350℃

• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550 or painting upon request



Part No.

Part

Standard Specification

Options

1

Valve Body

EN-GJS-450-10

 

2

Seat Ring

Bronze ASTM B62 C83600/ZQSn5-5-5 (Pressed Fit)

AISI 304, AISI 316 Pressed Fit or Threaded

3

Disc

EN-GJS-450-10+EPDM

 

4

Clapper Arm

EN-GJS-450-10

 

5

Washer

SS420

 

6

Nut

Carbon Steel Zinc Plated

SS304, SS316

7

Hinge Pin

SS420

 

8

Bonnet Gasket

EPDM

Graphite+Steel

9

Bolt

Carbon Steel Zinc Plated

SS304, SS316

10

Washer

Carbon Steel Zinc Plated

SS304, SS316

11

Bonnet

EN-GJS-450-10

 

12

Plug

Malleable Iron Galvanized


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


Mech silent back pressure check valve manufacturers air conditioning-2


DN

Dimensions(mm)

Inch

mm

L

D

D1

D2

C

T

n-φL

2"

50

120

165

125

99

19

3

4-Ø19

2.5"

65

135

185

145

118

19

3

4-Ø19

3"

80

155

200

160

132

19

3

8-Ø19

4"

100

165

220

180

156

19

3

8-Ø19

5"

125

190

250

210

184

19

3

8-Ø19

6"

150

210

285

240

211

19

3

8-Ø23

8"

200

260

340

295

266

20

3

12-Ø23

10"

250

285

405

355

319

22

3

12-Ø28

12"

300

315

460

410

370

24.5

4

12-Ø28


. Since its establishment, the company has always adhered to the business tenet of "establishing business with science and technology, standardizing management, seeking efficiency, and keeping promises". We sincerely welcome customers from all over the world and from home and abroad to negotiate and order.
Shenzhen Mech Valve Trading Co., Ltd. Standardized production is carried out in strict accordance with national standards, and the products are strictly tested with almost harsh quality control standards and inspection methods to ensure that the produced are qualified products with reliable quality.
Based on the selection of high-quality materials and the application of exquisite craftsmanship, has a reasonable structure and excellent performance, durable, and is a trustworthy high-quality product.
The company always adheres to the production concept of "attitude determines everything, quality comes from details", and implements strict quality management in all aspects of product selection, production, inspection and delivery to ensure that entering the market are all products of reliable quality .
Shenzhen Mech Valve Trading Co., Ltd. Passed various relevant national certifications, produced have relevant quality inspection certificates, the quality of the products is guaranteed, and customers are more assured in purchasing.
Select high-quality materials, with non-slip shading design, soft and comfortable touch, good flexibility and super grip function, allowing you to walk easily in various venues.
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