Y型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、Y型波紋管截止閥特點(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(yè)(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(tǒng)(cllling&freezing systme) |
加熱設備(heating technology) | 蒸汽系統(tǒng)(steam system) |
五、Y型波紋管截止閥主要零件材料及性能
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、尺寸各連接尺寸
Size | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
L | PN16 | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 |
PN25 | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | |
PN40 | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | |
H | PN16 | 185 | 185 | 195 | 225 | 230 | 235 | 250 | 270 | 345 | 380 | 400 | 585 |
PN25 | 185 | 185 | 195 | 225 | 230 | 235 | 250 | 270 | 345 | 380 | 400 | 585 | |
PN40 | 185 | 185 | 195 | 225 | 230 | 235 | 250 | 270 | 345 | 380 | 400 | 585 | |
W | PN16 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 |
PN25 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 | |
PN40 | 120 | 120 | 140 | 140 | 160 | 180 | 180 | 200 | 250 | 300 | 300 | 400 | |
