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Jiangxi Qucheng Chemical Co., Ltd.

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Zhejiang Qucheng Chemical Co., Ltd.

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E-mail: qucheng@quchengchem.com.cn

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H76 Double-clip type Check valve

Product details:
Double-clip type Check valve used to clean pipes and industry, environmental protection, water treatment, high-rise buildings to the drain line to prevent reverse flow of the medium used. The Check valve using Double-clip type, two semi-circular disc and the spring force reset, Seal face for body surfacing wear Materials or rubber lining, using a wide range, Seal reliable. 
The main technical parameters:

Nominal diameter

DN (Mm)

50 - 1200

Nominal pressure

PN (MPa)

1.0

1.6

2.5

4.0

Test pressure Ps (MPa)

Strength test

Fifteen

twenty four

3.75

6.0

Sealing test

1.1

1.76

2.75

4.4

Applicable medium

Water, steam,, oil, water, acid and alkali

Suitable temperature

Rubber Seal surface (X) -20 °C - 120 °C 
Steel Seal surface (H) steel body -29 °C - 425 °C 
Stainless steel body for acid medium -29 °C - 200 °C

Materials for main parts

Name

Materials

body

Cast iron, Cast steel, Stainless steel, chrome-nickel steel, molybdenum and titanium

The valve plate

Cast iron, Cast steel, Stainless steel, chrome-nickel steel, molybdenum and titanium

Valve rod

Carbon steel, 2Cr13, Stainless steel, chrome-nickel steel, molybdenum and titanium

Seal ring

Rubber, Stainless steel, alloy steel

spring

60Si2Mn, 3Cr13, 17-7PH, INCONEL

H76X-6 H76X-10's connection Size

Diameter DN

50

65

80

100

125

150

200

250

300

350

400

450

500

600

700

800

900

1000

1200

L

43

46

64

64

70

76

89

114

114

127

140

152

152

178

229

241

241

300

360

D

100

120

135

155

185

185

265

320

368

428

482

532

585

685

800

905

1005

1115

1325

H76-16 H76-25 H76-40's connection Size

Diameter DN

50

65

80

100

125

150

200

250

300

350

400

450

500

600

L

PN1.01.62.5

60

67

73

73

83

98

127

146

181

184

198

203

219

222

PN4.0

60

67

73

73

83

98

127

146

181

222

231

/

/

/

D

PN1.0

107

127

142

162

192

218

273

328

378

438

489

539

594

695

PN1.6

107

127

142

162

192

218

273

328

378

444

495

555

617

734

PN2.5

107

127

142

168

194

224

284

340

400

458

514

/

/

/

PN4.0

107

127

142

168

194

224

290

352

417

474

546

/

/

/