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Dungong Valve (Shanghai) Co., Ltd.

Mobile phone: 13918861646

Telephone: 021-33656988

Mailbox: dungongvalve@163.com

Website: www.sh-dgvalve.com

            en.sh-dgvalve.com

Address: No. 5118, Nanfeng Road, Fengxian District, Shanghai

G41J diaphragm valve

G41J diaphragm valve

  • category:Diaphragm valve
  • Views:Times
  • Release date:2021-01-13 18:36:28
  • product description
  • Performance characteristics
  • technical parameter

G41J Diaphragm Valve Company

G41J rubber lined manual diaphragm valve is a new type valve with a tail valve that can be disinfected and sterilized. Manually (handwheel) drives a straight-through stop valve. EPDM diaphragm material, cast stainless steel valve body, polished straight passage without dead angle, and has the function of opening and closing limit and status display. The valve is acid and alkali resistant, no leakage, no bacteria, easy to disinfect and easy to maintain.

This valve is specially used to control non-corrosive or general corrosive media. The internal cavity surface of the valve is not lined or covered with various rubbers to choose from. It is suitable for different working temperatures and fluid pipelines.

 technical parameter

 1. Purpose

Purpose: This valve is specially used to control non-corrosive or general corrosive media. The surface of the inner cavity of the valve is not lined or covered with various rubbers for selection. It is suitable for different working temperatures and fluid pipelines.

Applicable temperature: ≤85℃, ≤100℃, ≤120℃, ≤150℃ (according to lining and diaphragm material)

Pressure rating: PN0.6, 1.0, 1.6

2. Material

Valve body: cast iron, ductile iron, carbon steel, stainless steel

Bonnet: cast iron, ductile iron, carbon steel, stainless steel

Lining: no lining, rubber

Diaphragm: rubber

Disc: cast iron

Stem: carbon steel, stainless steel

Handwheel: cast iron

Three, test

Lining layer: electric spark detection

Test and inspection according to GB/T13297 standard

Nominal pressure: PN (Mpa)

Valve body: PN×1.5

Sealing: PN×1.1

Four, characteristics

Structural features: Diaphragm valve is a special form of shut-off valve;

1. The elastically sealed opening and closing parts ensure that there is no internal leakage;

2. The streamlined flow channel makes the pressure loss small;

3. There is no stuffing box, so there is no leakage;

4. The valve body and the cover are separated by the middle diaphragm, so that the valve cover, valve stem and other parts above the diaphragm are not corroded by the medium;

5. The diaphragm can be replaced and the maintenance cost is low;

6. The variety of lining materials can be applied to various media and has good corrosion resistance.

5. Main dimensions and weight

Nominal diameter   DN

Nominal pressure   Mpa

Work pressure   Mpa

L
  (mm)

D
  (mm)

D1
  (mm)

n-φd
  (mm)

F
  (mm)

H1
  (mm)

H2
  (mm)

D0
  (mm)

quality

15

1.5

1.0

125

95

65

4-14

2

105

116

120

4.5

20

135

105

75

4-14

2

117

128

120

4.5

25

145

115

85

4-14

2

121

135

120

5

32

160

140

100

4-18

2

132

150

120

7

40

180

150

110

4-18

3

156

176

140

9

50

210

165

125

4-18

3

169

195

140

12.5

65

250

185

145

4-18

3

200

236

200

19

80

300

200

160

4-18

3

216

256

200

25.5

100

350

220

180

8-18

3

270

322

280

40

125

400

250

210

8-18

3

315

380

320

62

150

460

285

240

8-22

3

378

458

320

80.5

200

0.6

0.4

570

340

295

8-22

4

518

638

400

146

250

680

395

350

12-22

4

583

720

500

240

300

790

445

400

12-22

4

698

778

500

334

350

900

505

460

16-22

4

723

883

500

371

400

0.25

1000

565

515

16-26

4

868

1078

640

584


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Cell phone:13918861646

phone:021-33656988

URL:www.sh-dgvalve.com 

address:No. 5118, Nanfeng Road, Fengxian District, Shanghai

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