一、角式波紋管截止閥制造標準:
Bb Os & Y型結構 | |
制造標準:DIN3356 | 結構長度:DIN3202 |
法蘭標準:DIN2543-2545 | 對焊口標準:DIN3239 |
試驗標準:DIN3230 |
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二、角式波紋管截止閥壓力試驗:
公稱壓力 | 1.6Mpa | 2.5Mpa | 4.0Mpa |
(nominal pressure) | |||
密封試驗(seal test) | 1.8MPa | 2.8MPa | 4.4MPa |
殼體強度(shell) | 2.4MPa | 3.6MPa | 6.0MPa |
適用溫度 | 300℃ | ||
(suitabletemprature) |
三、特點(features):
雙層波紋管(double walls bellow seal) | 維修方便(maintenance-free) |
波紋管密封閥桿(spindle with bellow seal) | 雙重密封(secondary sealing) |
位置指示(position indicator) | 無升降手輪(non-rising handwheel) |
四、用途(selection of possible applications):
工業(industry) | 電站(power station) |
廢氣凈化廠(flue gas puerification plant) | 天然氣(gas supply) |
真空裝置(vacuum facilities) | 氨(ammonia) |
熱水(hot water) | 冷凍系統(cllling&freezing systme) |
加熱設備(heating technology) | 蒸汽系統(steam system) |
五、材料及性能
零件名稱 | 閥體 body | 閥蓋 bonnet | 閥桿 stem | 閥瓣 disc | 密封面 | 填料 paking |
parta name | sealing face | |||||
GS-C25 | GS-C25 | GS-C25 | 13Cr | 2Cr13 | 2Cr13 | 柔性石墨 |
STL | GRAPHITE | |||||
304 | CF8 | CF8 | 304 | 304 | 304 | 柔性石墨 |
GRAPHITE | ||||||
STL | PTFE | |||||
316 | CF8M | CF8M | 316 | 316 | 316 | 柔性石墨 |
GRAPHITE | ||||||
STL | PTFE | |||||
304L | Cf3 | CF3 | 316 | 304L | 304L | 柔性石墨 |
GRAPHITE | ||||||
STL | PTFE | |||||
316L | CF3M | CF3M | 316 | 316L | 316L | 柔性石墨 |
GRAPHITE | ||||||
STL | PTFE |
六、外形連接尺寸
Size
| 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | |
L | PN16 | 90 | 95 | 100 | 105 | 115 | 125 | 145 | 155 | 175 | 200 | 225 | 275 | 325 | 375 | 425 | 475 |
PN25 | 90 | 95 | 100 | 105 | 115 | 125 | 145 | 155 | 175 | 200 | 225 | 275 | 325 | 375 | 425 | 475 | |
PN40 | 90 | 95 | 100 | 105 | 115 | 125 | 145 | 155 | 175 | 200 | 225 | 275 | 325 | 375 | 425 | 475 | |
H | PN16 | 185 | 188 | 250 | 275 | 303 | 310 | 337 | 425 | 435 | 500 | 554 | 718 | 815 | 932 | 992 | 1205 |
PN25 | 185 | 188 | 250 | 275 | 303 | 310 | 337 | 425 | 435 | 500 | 554 | 718 | 815 | 932 | 992 | 1205 | |
PN40 | 185 | 188 | 250 | 275 | 303 | 310 | 337 | 425 | 435 | 500 | 554 | 718 | 815 | 932 | 992 | 1205 | |
W | PN16 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 | 520 | 550 | 600 | 650 |
PN25 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 | 520 | 550 | 600 | 650 | |
PN40 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 | 520 | 550 | 600 | 650 |