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產(chǎn)品名稱：A42Y-C彈簧全啟式安全閥 |
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產(chǎn)品型號：A42Y-C |
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產(chǎn)品類別：閥門儀表 >> 安全閥 >> |
A42Y-C型適用于工作溫度≤300℃空氣、石油氣、液體等介質(zhì)的設(shè)備和管路上。RA42Y-P型及RA42Y-R型適用于工作溫度≤200℃有腐蝕性的介質(zhì)的設(shè)備和管路上，作為超壓保護(hù)裝置。
連接法蘭標(biāo)準(zhǔn)按JB/T……-94系列1?！?.4MPa按JB/T……-94系列2。
主要零部件材料
| NO. | 零件名稱 | RA42Y-C/RKA42Y-C材料 | RA42Y-P/RKA42Y-P材料 | RA42Y-R材料 | RDA42Y-P材料 |
| 1 | 閥座 | 2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni9Ti |
| 2 | 閥體 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | LCB/ZG1Cr18Ni9Ti |
| 3 | 調(diào)節(jié)圈 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
| 4 | 反沖盤 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
| 5 | 閥瓣 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
| 6 | 導(dǎo)向套 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
| 7 | 閥蓋 | ZG230-450 | ZG230-450 | ZG230-450 | ZG1Cr18Ni9Ti |
| 8 | 彈簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 | 50CrVA |
| 9 | 閥桿 | 2Cr13 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
| 10 | 調(diào)整螺桿 | 45 | 2Cr13 | 2Cr13 | 2Cr13 |
| 11 | 閥帽 | ZG200-400 | ZG200-400 | ZG200-400 | ZG230-450 |
| 密封面材料 | 堆焊Co基硬質(zhì)合金 | ||||
外形尺寸和連接尺寸
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型號
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公稱通徑
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do
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D
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K
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80
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195
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175
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690
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125
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80
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185
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22
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3
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8-18
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150
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285
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240
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210
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24
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3
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8-23
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210
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190
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780
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150
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100
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285
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240
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210
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24
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3
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8-23
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175
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310
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270
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240
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26
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3
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8-23
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255
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230
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838
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200
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125
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340
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295
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265
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26
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3
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12-23
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250
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405
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355
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320
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30
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3
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12-26
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300
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260
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992
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250
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150
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405
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355
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320
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30
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3
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12-26
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300
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460
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410
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375
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30
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4
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12-26
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350
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320
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1266
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300
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220
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460
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410
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375
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30
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4
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12-26
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400
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580
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525
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485
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36
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4
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16-30
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370
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350
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1283
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350
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250
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520
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470
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435
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34
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4
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16-26
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500
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715
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650
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608
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44
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20-34
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500
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450
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1520
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400
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280
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525
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485
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36
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20-34
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1530
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AH42F-25
A42F-25 |
20
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55
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115
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100
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40
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85
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18
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230
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190
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160
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24
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3
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125
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250
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210
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185
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22
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195
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175
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125
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80
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270
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188
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28
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150
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210
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24
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210
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780
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100
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300
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30
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8-26
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175
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310
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270
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240
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26
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3
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8-23
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255
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230
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838
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200
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125
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360
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310
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278
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34
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3
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12-26
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250
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405
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355
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320
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30
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3
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12-26
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300
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260
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992
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250
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150
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425
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370
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332
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36
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3
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12-30
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300
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460
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410
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375
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30
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4
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12-26
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350
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320
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1266
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300
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220
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485
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430
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390
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40
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4
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16-30
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400
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580
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525
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485
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36
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4
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16-30
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370
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350
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1283
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AH42F-40
A42F-40 |
20
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15
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105
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25
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51
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55
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16
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2
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4
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4-14
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25
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115
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85
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65
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16
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2
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4-14
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110
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378
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25
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16
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85
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58
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65
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16
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2
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4
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4-14
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32
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140
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100
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78
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18
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2
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4-18
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110
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95
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378
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|
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32
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20
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140
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100
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66
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78
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18
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2
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4
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4-18
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40
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150
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110
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85
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18
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3
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4-18
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115
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100
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378
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40
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25
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150
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110
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76
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85
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18
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3
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4
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4-18
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50
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165
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125
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100
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20
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3
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4-18
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120
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110
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406
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|
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50
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32
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165
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125
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88
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100
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20
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3
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4
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4-18
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65
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185
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145
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120
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20
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3
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4-18
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135
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120
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450
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|
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65
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40
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185
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145
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110
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120
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22
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3
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4
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8-18
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80
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200
|
160
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135
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20
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3
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8-18
|
160
|
140
|
520
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|
|
80
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50
|
200
|
160
|
121
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135
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22
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3
|
4
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8-18
|
100
|
220
|
180
|
155
|
22
|
3
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8-18
|
170
|
135
|
525
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|
|
100
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65
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235
|
190
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150
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160
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24
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3
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4.5
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8-23
|
125
|
250
|
210
|
185
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22
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3
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8-18
|
195
|
175
|
690
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|
|
125
|
80
|
270
|
220
|
176
|
188
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28
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3
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4.5
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8-26
|
150
|
285
|
240
|
210
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24
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3
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8-23
|
210
|
190
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780
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|
|
150
|
100
|
300
|
250
|
204
|
218
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30
|
3
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4.5
|
8-26
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
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|
|
200
|
125
|
375
|
320
|
260
|
282
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38
|
3
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4.5
|
12-30
|
250
|
405
|
355
|
320
|
30
|
3
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12-26
|
300
|
260
|
992
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|
|
250
|
150
|
450
|
385
|
313
|
345
|
42
|
3
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4.5
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12-34
|
300
|
460
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410
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375
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30
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4
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12-26
|
350
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320
|
1266
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