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側裝偏心半球閥介紹
實驗壓力 單位：MPa
| 公稱壓力Nominal pressures | 常溫zui大工作壓力The maximum working
pressure at room temperature | 殼體實驗壓力Shells test pressure | 氣密封試驗壓力Gas seal
testing pressure | 高壓密封實驗壓力High-pressure
sealing test pressure |
| 1.6 | 1.6 | 2.4 | 0.6 | 1.76 |
| 2.5 | 2.5 | 3.8 | 0.6 | 2.75 |
| 4.0 | 4.0 | 6.0 | 0.6 | 4.4 |
| 6.4 | 6.4 | 9.6 | 0.6 | 7.1 |
| Class150 | 2.0 | 3.0 | 0.6 | 2.2 |
| Class300 | 5.0 | 7.5 | 0.6 | 5.5 |
使用范圍
| 殼體材料Shells materials | 閥座材料Valve seats materials | 適作溫度applicabletemperature | 適用介質applicable medium |
| 碳鋼C型C-type carbon steel | PTFE+不銹鋼PTFE+ stainless steel | ≤150℃ | 水、蒸汽油品等
water ,the steam, the oil quality and so on |
| 不銹鋼stainless steel | ≤250℃ | ||
| 鉻鎳鈦鋼P型chromium nickel
titanium steel P | PTFE+不銹鋼PTFE+ stainless steel | ≤150℃ | X酸類niter acids |
| 不銹鋼stainless steel | ≤200℃ | ||
| 鉻鎳鉬鈦鋼P型chromium nickel
titanium steel P | PTFE+不銹鋼PTFE+ stainless steel | ≤150℃ | 醋酸類vinegar acids |
| 不銹鋼stainless steel | ≤200℃ | ||
| 鉻鎳鉬鈦鋼I型chromium nickel
titanium steel I | 本體+硬質合金main bodies
+ hard alloy | ≤550℃ | 蒸汽、冶煉、能源
steam, smelting the energy |
主要零件材料 major parts materials
| 閥體、閥蓋Valves bodies
the valve cover | GB | WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12MoTi | ZG15Cr1Mo1v | |||
| ASTM | WCB | CF8 | CF8M | WC9 | ||||
| 球體spheroids | GB | ZG2Cr13 | ZG1Cr18Ni9Ti/表面特殊處理
surfaces special handling | ZG0Cr18Ni12MoTi表面特殊處理
surfaces special handling | ZG15Cr1Mo1v表面特殊處理
surfaces special handling | |||
| ASTM | CA15 | CF8+HF | CF8+HF | WC9+HF | ||||
| 閥桿valve stem | GB | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12MoTi | 25Cr2Mo2v | |||
| ASTM | 420 | 304 | 316 | F22a | ||||
| 閥座valve seats | GB | PTFE | 2Cr13 | PTFE | 1Cr18Ni9Ti | PTFE | 0Cr18Ni12MoTi | D517 |
| ASTM | PTFE | 420 | PTFE | 304 | PTFE | 316 | HF | |
| 填料packing | GB | PTFE | 柔性石墨flexible graphite | PTFE | 柔性石墨flexible graphite | PTFE | 柔性石墨 flexible graphite | 柔性石墨flexible graphite |
| ASTM | PTFE | 柔性石墨flexiblegraphite | PTFE | 柔性石墨flexible graphite | PTFE | 柔性石墨 flexible graphite | 柔性石墨flexible graphite | |
| 螺栓bolts | GB | 25 | 0Cr18Ni9 | 0Cr18Ni9 | 15Cr1Mo1v | |||
| ASTM | A193 B7 | A320-B8 | A320-B8 | A193 B16 | ||||
| 螺母nuts | GB | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo | |||
| ASTM | A194 2H | A194-8 | A194-8 | A194-4 | ||||
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