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A48Y全启式安全阀

当设备压力升高达到预定值时,安全阀自动开启,继而全量排放,防止设备压力继续升高;当压力降低到规定值时,安全阀及时自动关闭. 主要连接尺寸: 型号 公称 主要结构尺寸(mm) 阀体 材料 简要性能 备注 通径 DN(mm) 压力 PN(Mpa) D D1 L L1 H 适用温度 ℃ 适

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当设备压力升高达到预定值时,安全阀自动开启,继而全量排放,防止设备压力继续升高;当压力降低到规定值时,安全阀及时自动关闭.

主要连接尺寸:

 

    型 号

公称

主要结构尺寸(mm)

阀体
材料

简要性能

备注

通径
DN(mm)

压力
PN(Mpa)

D

D1

L

L1

H

适用温度

适用介质

A42Y-16C

32

1.6

135

146

115

110

285

铸钢

≤300

油品、空气等

 

"

40

"

150

160

120

110

278

"

"

"

 

"

50

"

165

180

135

120

332

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

200

215

170

135

478

"

"

"

 

"

100

"

220

245

205

160

590

"

"

"

 

"

150

"

280

310

255

230

650

"

"

"

 

"

200

"

 

 

 

 

 

"

"

"

 

A42Y-40

32

4.0

140

150

115

100

285

铸钢

≤300

油品、空气等

 

"

40

"

145

160

130

120

278

"

"

"

 

"

50

"

160

180

145

130

332

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

195

215

170

150

478

"

"

"

 

"

100

"

230

245

205

185

590

"

"

"

 

"

150

"

300

310

255

230

650

"

"

"

 

"

200

"

 

 

 

 

 

"

"

"

 

A42Y-64

32

6.4

 

 

 

 

 

铸钢

≤300

油品、空气等

 

"

40

"

165

160

130

120

308

"

"

"

 

"

50

"

175

180

155

130

464

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

210

230

175

160

582

"

"

"

 

"

100

"

250

270

195

195

600

"

"

"

 

A42Y-100

32

10.0

 

 

 

 

 

铸钢

≤300

油品、空气等

 

"

40

"

 

 

 

 

 

"

"

"

 

"

50

"

195

180

155

130

500

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

230

230

175

160

760

"

"

"

 

"

100

"

265

270

220

210

750

"

"

"

 

SA42Y-160

32

16.0

115

165

150

150

397

铸钢

≤200

氮、氨气、油品、空气

 

"

40

"

165

200

165

165

438

"

"

"

 

SA42Y-320

32

3.2

135

165

150

150

395

铸钢

≤200

氮、氨气、油品、空气

 

"

40

"

 

 

 

 

 

"

"

"

 

SA42Y-400

32

40.0

135

165

150

150

397

铸钢

≤200

氮、氨气、油品、空气

 

"

40

"

 

 

 

 

 

"

"

"

 

A44Y-16C

32

1.6

 

 

 

 

 

铸钢

≤300

油品、空气等

 

A44Y-16C

80

1.6

200

220

170

135

538

铸钢

≤300

油品、空气等

 

"

100

"

215

245

205

185

655

"

"

"

 

"

150

"

280

310

255

230

740

"

"

"

 

"

200

"

 

 

 

 

 

"

"

"

 

A44Y-40

32

4.0

 

 

 

 

 

铸钢

≤300

油品、空气等

 

"

40

"

145

165

130

120

314

"

"

"

 

"

50

"

160

180

145

130

376

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

195

215

170

150

538

"

"

"

 

"

100

"

230

245

205

185

655

"

"

"

 

"

150

"

300

310

255

230

740

"

"

"

 

"

200

"

 

 

 

 

 

"

"

"

 

A44Y-64

32

6.4

 

 

 

 

 

铸钢

≤300

油品、空气等

 

"

40

"

 

 

 

 

 

"

"

"

 

"

50

"

175

180

155

130

520

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

210

230

175

160

810

"

"

"

 

"

100

"

250

270

195

195

890

"

"

"

 

A44Y-100

32

10.0

 

 

 

 

 

铸钢

≤300

油品、空气等

 

"

40

"

 

 

 

 

 

"

"

"

 

"

50

"

195

180

155

130

520

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

230

230

175

160

810

"

"

"

 

"

100

"

265

270

220

210

780

"

"

"

 

A48Y-16C

32

1.6

 

 

 

 

 

铸钢

≤350

蒸气等

 

"

40

"

145

160

130

115

312

"

"

"

 

"

50

"

160

180

145

130

366

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

195

215

170

150

528

"

"

"

 

"

100

"

215

245

205

185

655

"

"

"

 

"

150

"

280

310

255

230

724

"

"

"

 

"

200

"

 

 

 

 

 

"

"

"

 

A48Y-40

32

4.0

 

 

 

 

 

铸钢

≤350

蒸气等

 

A48Y-64

32

6.4

 

 

 

 

 

铸钢

≤350

蒸气等

 

"

40

"

 

 

 

 

 

"

"

"

 

"

50

"

175

180

155

130

508

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

210

230

175

160

655

"

"

"

 

"

100

"

250

270

195

195

680

"

"

"

 

A48Y-100

32

10.0

 

 

 

 

 

铸钢

≤350

蒸气等

 

"

40

"

 

 

 

 

 

"

"

"

 

"

50

"

195

180

160

130

508

"

"

"

 

"

65

"

 

 

 

 

 

"

"

"

 

"

80

"

180

230

175

160

655

"

"

"

 

"

100

"

265

270

220

210

785

"

"

"

 

SFNA-42B25C1

32

"

195

 

 

120

185

锻钢

≤55

液化气

 

"

40

"

230

 

 

100

205

"

"

"

 

"

50

"

270

 

 

104

250

"

"

"

 


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