◆產(chǎn)品用途 低溫閘閥適用于甲烷、液態(tài)天然氣、已烯、二氧化碳、液氨、液氧、液氮、液氫等低溫介質 ■執(zhí)行標準 | ||
| Executive Standard |
| 項目 ltem | 結構長度 Face to face | 法蘭標準 Flange standard |
| 標準 Standard | ANSI B16.10 | ANSI B16.5 |
| ■主要零件材料 |
| Material for main parts |
| 零件名稱 Name of parts | 閥體、閥蓋 Body、Bonnet | 閥板、閥座、閥桿 Disc,Seat,Stem | 填料 Packing | 支架 Yoke |
| 材料 Materials | A352-LCB、 A352-LC3、 A351-CF8 | A182-F304 | 聚四氟乙烯 Polytetrafluo- roethylene | A216-WCB |
| ■主要性能規(guī)范 Cjoef propertg and specification |
| 型號 Type | 公稱壓力PN（Lb）- Nominal Pressure | 常溫試驗壓力 Test pressure atmormal temperature | 低溫密封試驗壓力（MPa） Test pressure of se aling at low temperature | 工作溫度及適用介質 Woking temperature vand applicable medium | ||||
| 殼體 Shell | 密封 Sealing | 上密封 Back seal | ||||||
| DZ44Y-150（lb） | 150 | 3.0 | 0.6 | 2.2 | 0.6 | -46℃，氨、 液氨、丙烷 Ammonia,liquid nitrogen,prorane | -101℃乙烯、 二氧化碳 Ethylene, Carbon dioxide | -196℃甲烷、 液化天然氣 Methane Liquefied natural gas |
| DZ44Y-600（lb） | 600 | 15.0 | 0.6 | 11.0 | 0.6 | |||
| ■主要外形尺寸和連接尺寸 Main external and connecting dimensions |
| 公稱壓力（Lb） Nominal Pressure | 公稱通徑NPS Nominal diameter | HHHHHH | JJLJJ | H | ||
| in | mm | -46℃ | -101℃ | -196℃ | ||
| DJ40Y-150Lb | |||||||
| 150 | 2 | 50 | 203 | 110 | 130 | 170 | |
| 3 | 80 | 241 | 120 | 150 | 190 | ||
| 4 | 100 | 292 | 130 | 160 | 200 | ||
| 5 | 125 | 356 | 130 | 160 | 200 | ||
| 6 | 150 | 406 | 140 | 170 | 220 | ||
| 8 | 200 | 495 | 140 | 170 | 200 | ||
| DJ40Y-300Lb | |||||||
| 300 | 2 | 50 | 267 | 414 | 130 | 170 | |
| 3 | 80 | 292 | 466 | 150 | 190 | ||
| 4 | 100 | 318 | 466 | 160 | 200 | ||
| 6 | 150 | 356 | 528 | 170 | 220 | ||
| 8 | 200 | 445 | 678 | 170 | 220 | ||
| DJ40Y-150Lb | |||||||
| 600 | 2 | 50 | 292 | 110 | 130 | 170 | |
| 3 | 80 | 356 | 120 | 150 | 190 | ||
| 4 | 100 | 432 | 130 | 160 | 200 | ||
| 5 | 125 | 508 | 130 | 160 | 200 | ||
| 6 | 150 | 559 | 140 | 170 | 220 | ||
| 8 | 200 | 660 | 140 | 170 | 220 | ||
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