一、襯氟角式截止閥執(zhí)行標(biāo)準(zhǔn) ：
設(shè)計規(guī)范：GB/T 12233 GB/T 12235
結(jié)構(gòu)長度：GB/T 12221
連接法蘭：JB/T 78 JB/T 79
試驗與檢驗：GB/T 13927
產(chǎn)品標(biāo)識：GB/T 12220
供貨規(guī)范：JB/T 7928
二、襯氟角式截止閥性能規(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 |
三、襯氟角式截止閥主要零件材料
序號 | 零件名稱 | 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 | |||
四、襯氟角式截止閥主要連接尺寸
公稱通經(jīng) | L | D | D1 | D2 | f | b | Z-φd | |
DN(mm) | NPS(inch) | 襯氟角式截止閥壓力PN1.0MPa | ||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 4-φ18 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 22 | 8-φ18 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 24 | 8-φ18 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 24 | 8-φ23 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 26 | 8-φ23 |
250 | 10 | 325 | 390 | 350 | 320 | 3 | 28 | 12-φ23 |
300 | 12 | 375 | 440 | 400 | 368 | 4 | 28 | 12-φ23 |
襯氟角式截止閥壓力PN1.6MPa | ||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 8-φ18 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 24 | 8-φ18 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 26 | 8-φ18 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 28 | 8-φ23 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 30 | 8-φ23 |
襯氟角式截止閥壓力PN2.5MPa | ||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 16 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | |||
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