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Dry ash gate valves

Model:GHZ644H Buyer's Guide
1. Please procurement list by fax to 021-56476999 or email zshfm @ zshvalve
2. Receipt of customer purchase list, followed by my company to provide customers with valves offer [price list] and selection [Valve Model] service.
3. Specific issues agreed: delivery. Special requirements, etc.

Product categories: gate valve series

Dry ash gate valve is mainly used in coal-fired power plant dry ash, fly ash, cement and other pneumatic conveying system.

GHZ644H dry ash gate valves

Working principle of the product and application:

With dry ash gate valve body into the channel and discharge channel, in the body has the ram, ram to ram lifting open-close structure connected to the discharge channel near the top of the ram position with ram vena interlinked cavity, it is special in between gate and the discharge channels have stiffened plate, with disc cavity in the upper portion of the stiffened plate slag discharge port. Mainly used in coal-fired power plant dry ash, fly ash, cement and other pneumatic conveying system.

Product structure features:

1. Suitable for vacuum negative pressure conveying powder line.

2. It adopts structural ceramics seal medium flow, surface adopt ceramic manufacturing, especially for electricity, the dry ash system, wear a tough situation, on both sides of the valve is equipped with the hole cleaning, detachable blind plate on the bottom to prevent ash dark matinee phenomenon does not reach the designated position. The valve switch small torque, reliable sealing, long service life, etc.

3. It can realize manual, pneumatic and electric.

Product performance parameters:

Product model

Nominal pressure / MPa

Sealing test force / MPa

Strength test pressure / MPa

Working temperature / ℃

Applicable medium

GHZ644H-6C

0.6

0.66

0.9

≤ 120

Granules, powders and air mixture (particles and air than 1:3)

GHZ644H-10C

1.0

1.1

1.5

GHZ644H-16C

1.6

1.76

2.4

GHZ644H-25C

2.5

2.75

3.75

Product main parts material:

Product mode

material

Body and bonnet

ram

The valve stem

The seat

GHZ644H-6C

WCB

2Cr13 or1Cr18Ni9Ti ZG230-450Surfacing welding wear-resisting material

2Cr13or1Cr18Ni9Ti

2Cr13

GHZ644H-10C

GHZ644H-16C

GHZ644H-25

产品主要尺寸:

PN

DN

L

D

K

d

n-M/n-d0

6

50

108/250

140

110

88

4-M12/4-ø14

65

112/270

160

130

108

4-M12/4-ø14

80

114/280

190

150

124

4-M16/4-ø18

100

127/300

210

170

144

4-M16/4-ø18

125

140/325

240

200

174

8-M16/8-ø18

150

140/350

265

225

199

8-M16/8-ø18

200

152/400

320

280

254

8-M16/8-ø18

250

165/450

375

335

309

12-M16/12-ø18

300

178/500

440

395

363

12-M20/12-ø22

10

50

108/250

165

125

99

4-M16/4-ø18

65

112/270

185

145

118

4-M16/4-ø18

80

114/280

200

160

132

8-M16/8-ø18

100

127/300

220

180

156

8-M16/8-ø18

125

140/325

250

210

184

8-M16/8-ø18

150

140/350

285

240

211

8-M20/8-ø22

200

152/400

340

295

266

8-M20/8-ø22

250

165/450

395

350

319

12-M20/12-ø22

300

178/500

445

400

370

12-M20/12-ø22

16

50

108/250

165

125

99

4-M16/4-ø18