BEIJING DAYU HOLY VALVE CO., LTD

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            |      ENGLISH    Company        |   products        |   Contact           Product Introduction   Butterfly Valve Check Valve Manual Operated Wedge Gate Valve Globe Valve Stainless Steel Ball Valve Ball Valve Strainer       Product Introduction Tiny resistance slow closing swing check valve It can avoid the water hammer by reducing the stress of water hammer . Light disc can ensure its long life.    Material of parts

Name

Material

Body 、Bonnet

Grey iron 、Ductile iron 、Cast steel

stem

Stainless steel

disc

Vulcanizated steel with rubber

bushing

Brass

seal

Oil-resistant rubber

   Performance

Code

H44□X-1.0/1.6/2.5

Nominal Diameter (mm)

DN40-900

Nominal Pressure (MPa)

1.0

1.6

2.5

Sealing testing pressure (MPa)

1.1

1.76

2.75

Medium

water 、sewage water 、petroleum、weak acid alkali

Medium Temperature(℃)

≤ 90 ℃

The time for closing(second)

0-45

saving energy

50-70%

   Outer Size Unit:mm

Nominal Diameter

L (mm)

B (mm)

H (mm)

n-φ
(mm)

mm

in

40

1.5

200

220

300

4-18

50

2

230

270

300

4-18

65

2.5

290

290

320

4-18

80

3

310

300

354

8-18

100

4

350

320

350

8-18

125

5

400

340

380

8-18

150

6

480

410

500

8-22

200

8

500

450

580

8-22

250

10

600

550

670

12-22

300

12

700

580

700

12-26

350

14

800

630

820

16-22

400

16

900

700

920

16-22

450

18

1000

800

950

20-26

500

20

1100

900

1100

20-26

600

24

1300

990

1200

20-30

700

28

1400

1120

1550

24-30

800

32

1500

1300

1700

24-33

900

36

1700

1350

1800

28-33

Note: the mounting dimension of flanges are designed in accordance with GB/T9113-2000, GB/T17241-1998,JB/T79-1994. Copyright©BEIJING DAYU HOLY VALVE CO., LTD
Address:No.128 Yong Wai Street Chongwen District Beijing   Postal Code:100075
Tel:010-67223388 Fax:86-10-67235888   E-mail:lzgdyhl@163.com Web:http://www.dyhl.com.cn
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