，閥門的側面、底部設置有保溫夾套的兩個連接口
，通過夾套內(nèi)涵入蒸汽能防止介質(zhì)結晶
，主要用于石油、化工
、冶金
、制藥等各類系統(tǒng)中，以輸送常溫下會凝固的高粘度介質(zhì)的截止閥
。廣泛應用于石油
、化工、冶金
、制藥等各類系統(tǒng)中
。
二、進口保溫截止閥零件材料
零件名稱LTEM | ZG1CR18NI9TI | ZGOOCR18NI10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | WCB |
閥體/閥蓋世BODY/CAP | ZG1CR18NI9TI | ZGOOCR18NI10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | WCB |
閘板WEDGE | ZG1CR18NI9TI | ZGOOCR18NI10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | 1Cr13 |
閥桿STEM | 1CR18NI9TI | 00cr18ni10 | 1CR18NI12MOTI | OOCR17NI14MO | 1Cr13 |
填料PACKING | PTFE紡織 | PTFE紡織 | PTFE紡織 | PTFE紡織 | 石墨 GRAPHITE |
墊片GASKET | 304L+PTFE | 304L+PTFE | 316L+PTFE | 316L+PTFE | 石墨+304GRAPHITE+304 |
壓蓋GLAND FLANGE | ZG1CR18NI9TI | ZG00CR18ni10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | WCB |
填料壓環(huán)STUFFING RING | 1CR18NI9TI | 00CR18NI10 | 1Cr18NI12MOTI | OOCR17NI14MO | 1Cr13 |
螺栓BOLT | 1cr17ni2 | 1CR17NI2 | 1Cr17NI2 | 1Cr17Ni2 | 35CrMoA |
螺母NUT | 1cr18ni9ti | 1CR18NI9TI | 1Cr18NI9ti | 1Cr18NI9ti | 45 |
三
、進口夾套保溫截止閥連接尺寸
型號 | 公稱通徑
DN（mm） | 尺寸（mm） |
L | D | D1 | D2 | B-f | Z-φd | H | D0 |
PN16 | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 170 | 120 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 190 | 140 |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 205 | 160 |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 270 | 180 |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 310 | 200 |
50 | 230 | 160 | 125 | 100 | 18-3 | 4-18 | 358 | 240 |
65 | 290 | 180 | 145 | 120 | 18-3 | 4-18 | 373 | 280 |
80 | 310 | 195 | 160 | 135 | 20-3 | 8-18 | 435 | 320 |
100 | 350 | 215 | 180 | 155 | 20-3 | 8-18 | 500 | 360 |
125 | 400 | 245 | 210 | 185 | 22-3 | 8-18 | 614 | 400 |
150 | 480 | 280 | 240 | 210 | 24-3 | 8-23 | 674 | 400 |
200 | 600 | 335 | 295 | 265 | 26-3 | 12-23 | 818 | 450 |
250 | 730 | 405 | 355 | 320 | 30-3 | 12-25 | 969 | 550 |
型號 | 公稱通徑
DN（mm） | 尺寸（mm） |
L | D | D1 | D2 | B-f | Z-φd | H | D0 |
PN25 | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 233 | 120 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 275 | 140 |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 285 | 160 |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 302 | 180 |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 355 | 200 |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 362 | 240 |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-18 | 400 | 280 |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-18 | 430 | 320 |
100 | 350 | 230 | 190 | 160 | 24-3 | 8-23 | 465 | 360 |
125 | 400 | 270 | 220 | 188 | 28-3 | 8-25 | 550 | 400 |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-25 | 700 | 400 |
200 | 600 | 360 | 310 | 278 | 343 | 12-25 | 780 | 450 |
250 | 730 | 425 | 370 | 335 | 36-3 | 12-30 | 900 | 550 |
型號 | 公稱通徑
DN（mm） | 尺寸（mm） |
L | D | D1 | D2 | B-f | Z-φ | H |
PN40 | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 233 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 275 |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 285 |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 302 |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 355 |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 370 |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-18 | 408 |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-18 | 436 |
100 | 350 | 230 | 190 | 160 | 24-3 | 8-23 | 475 |
125 | 400 | 270 | 220 | 188 | 28-3 | 8-25 | 558 |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-25 | 720 |
200 | 600 | 375 | 320 | 282 | 38-3 | 12-30 | 800 |
PN64 | 15 | 170 | 105 | 75 | 55 | 18-2 | 4-14 | 240 |
20 | 190 | 125 | 90 | 68 | 20-2 | 4-18 | 280 |
25 | 210 | 135 | 100 | 78 | 22-2 | 4-18 | 290 |
32 | 230 | 150 | 110 | 82 | 24-2 | 4-23 | 325 |
40 | 260 | 165 | 125 | 95 | 24-3 | 4-23 | 360 |
50 | 300 | 175 | 135 | 105 | 26-3 | 4-23 | 410 |
65 | 340 | 200 | 160 | 130 | 28-3 | 8-23 | 430 |
80 | 380 | 210 | 170 | 140 | 30-3 | 8-23 | 465 |
100 | 430 | 250 | 200 | 168 | 32-3 | 8-25 | 537 |
125 | 500 | 295 | 240 | 202 | 36-3 | 8-30 | 630 |
150 | 550 | 340 | 280 | 240 | 38-3 | 8-34 | 790 |
200 | 650 | 405 | 345 | 300 | 44-3 | 12-34 | 910 |
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