一、角式截止閥概述
二、角式截止閥介紹
三、角式截止閥開(kāi)啟
四、角式截止閥安裝與維護(hù)
五、角式截止閥執(zhí)行標(biāo)準(zhǔn)
設(shè)計(jì)與制造: SP-67(中線(xiàn))結(jié)構(gòu)長(zhǎng)度: SP-67(窄系列) ANSI B16.10
法蘭尺寸: ANSI B16.5(NPS≤24) API605(NPS>24)壓力試驗(yàn):SPI 598
六、法蘭連接截止閥(角式)
設(shè)計(jì)與制造符合中國(guó)國(guó)家標(biāo)準(zhǔn)
公稱(chēng)壓力PN1.0~2.5(MPa) 公稱(chēng)通徑 DN15~300(mm)
基本結(jié)構(gòu)形式:角式(全襯里)基本型號(hào):手動(dòng)J
七、角式截止閥產(chǎn)品性能規(guī)范
襯里、閥座 | 適用溫度(℃) | 適用介質(zhì) |
PTFE(F4) | ≤180 | 除熔融堿金屬、元素氟外的各種濃度的酸、堿、鹽、王水、有機(jī)酸等強(qiáng)腐蝕性介質(zhì) |
PCTFE(F3) | ≤120 | |
FEP(F46) | ≤150 | |
PFA(可熔性F4) | ≤180 | |
PVDF(F2) | ≤100 | |
RPTFE(RF4) | ≤180 |
八、角式截止閥主要零件材料
序號(hào) | 零件名稱(chēng) | 灰鑄鐵 | 鑄鋼 | 不銹耐酸鑄鋼 | 超低碳不銹耐酸鑄鋼 | ||
Z | C | P | R | PL | RL | ||
1 | 閥體/閥蓋 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
2 | 球體/閥桿 | 25 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
3 | 襯里/閥座 | PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO | |||||
4 | 填料壓蓋 | WCB | CF8 | CF8M | CF3 | CF3M | |
5 | 填料 | PTFE(F4) | PTFE(F4) | PTFE(F4) | |||
6 | 活節(jié)螺栓 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | |||
7 | 閥桿螺母 | ZCuAl10Fe3 | ZCuAl10Fe3 | ZCuAl10Fe3 | |||
8 | 緊固螺栓 | 35 | 1Cr17Ni2 | 1Cr18Ni9Ti | |||
9 | 螺母 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | |||
10 | 手柄 | WCB | WCB | WCB |
九、直角式截止閥
主要連接尺寸及重量
公稱(chēng)通徑 | 標(biāo)準(zhǔn)值 | 參考值 | ||||||||||
DN (mm) | NPS (inch) | L | D | D1 | D2 | f | b | Z-Φd | Do | H1 | H2 | W(kg) |
PN1.0(MPa) | ||||||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 100 | 240 | 265 | 7 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 100 | 245 | 270 | 7.5 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 120 | 250 | 275 | 8 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 120 | 260 | 290 | 12 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 140 | 290 | 325 | 14 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 140 | 300 | 355 | 19 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 160 | 355 | 400 | 27 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 4-Φ18 | 160 | 400 | 450 | 42 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 22 | 8-Φ18 | 180 | 455 | 495 | 50 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 24 | 8-Φ18 | 180 | 530 | 560 | 64 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 24 | 8-Φ23 | 240 | 605 | 650 | 85 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 26 | 8-Φ23 | 240 | 650 | 770 | 105 |
250 | 10 | 325 | 390 | 350 | 320 | 3 | 28 | 12-Φ23 | 280 | 680 | 800 | 135 |
300 | 12 | 375 | 440 | 400 | 368 | 4 | 28 | 12-Φ28 | 280 | 710 | 835 | 155 |
PN1.6(MPa) |
| |||||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 100 | 240 | 265 | 7 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 100 | 245 | 270 | 7.5 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 120 | 250 | 275 | 8.5 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 140 | 260 | 290 | 12 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 140 | 290 | 325 | 14 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 160 | 300 | 355 | 19 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 180 | 355 | 400 | 27 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 8-Φ18 | 240 | 400 | 450 | 42 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 24 | 8-Φ18 | 240 | 455 | 495 | 50 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 26 | 8-Φ18 | 280 | 530 | 560 | 64 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 28 | 8-Φ23 | 320 | 605 | 650 | 85 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 30 | 12-Φ23 | 360 | 650 | 770 | 105 |
PN2.5(Mpa) | ||||||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 16 | 4-Φ14 | 120 | 245 | 270 | 7.5 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 120 | 250 | 275 | 8.8 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 140 | 260 | 290 | 11 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 140 | 290 | 325 | 13 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 160 | 300 | 335 | 18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 180 | 355 | 400 | 31 |