Insulation cut-off valve
Insulation cut-off valve
Nominal: PN1.6 ~ 6.4MPa
Temperature: ≤200 ℃
Medium: nitric acid
Main material: ZG1CR18NI9TI, ZGOOCR18NI10, ZG1Cr18Ni12MO2Ti, ZGOOCR17NI14MO2 , WCB
Design and manufacturing: GB12234-89 GB12234-89
Flange dimensions: JB / T79-94 JB / 779-94
BJ45W DC insulation shut-off valve insulation jacket welding installed in the valve between the two flanges, the valve side, the bottom of the insulation jacket is provided with two connections. DC thermal shut-off valve is suitable for chemical industry, fertilizer industry pipe, the jacket contains steam to prevent crystallization of the medium, widely used in petroleum, chemical, metallurgical, pharmaceutical and other systems to transport at room temperature will not solidified high Viscosity medium.
First, BJ45W DC insulation shut-off valve application specifications
1, designed and manufactured according to GB12234-89 GB12234-89
2, the length of the structure according to GB12221-89 GB12221-89
3, the flange size by JB / T79-94 JB / 779-94
4, valve inspection and test according to GB13927
Second, BJ45W DC insulation shut-off valve performance parameters
| model | Nominal pressure | test pressure | proper temperature | Suitable media | Insulation sleeve pressure | |
| case | seal | |||||
| BJ45W-25P | 2.5 | 3.75 | 2.75 | ≤200 | Nitric acids | ≤1.3 |
| BJ45W-40P | 4.0 | 6.0 | 4.4 | |||
| BJ45W-64P | 6.4 | 9.0 | 6.6 | Nitric acids | ||
| BJ45W-25P | 2.5 | 3.75 | 2.75 | |||
| BJ45W-40P | 4.0 | 6.0 | 4.4 | |||
| BJ45W-64P | 6.4 | 9.0 | 6.6 | |||
Third, BJ45W DC thermal cut-off valve main parts and materials
| Part Name | ZG1CR18NI9TI series | ZGOOCR18NI10 series | ZG1Cr18Ni12MO2Ti series | ZGOOCR17NI14MO2 series | WCB series |
| Body / valve world | ZG1CR18NI9TI | ZGOOCR18NI10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | WCB |
| gate | ZG1CR18NI9TI | ZGOOCR18NI10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | 1Cr13 |
| Valve stem | 1CR18NI9TI | 00cr18ni10 | 1CR18NI12MOTI | OOCR17NI14MO | 1Cr13 |
| filler | PTFE textile | PTFE textile | PTFE textile | PTFE textile | graphite |
| Gasket | 304L + PTFE | 304L + PTFE | 316L + PTFE | 316L + PTFE | Graphite +304 |
| Gland | ZG1CR18NI9TI | ZG00CR18ni10 | ZG1Cr18Ni12MO2Ti | ZGOOCR17NI14MO2 | WCB |
| Packing pressure ring | 1CR18NI9TI | 00CR18NI10 | 1Cr18NI12MOTI | OOCR17NI14MO | 1Cr13 |
| bolt | 1cr17ni2 | 1CR17NI2 | 1Cr17NI2 | 1Cr17Ni2 | 35CrMoA |
| Nut | 1cr18ni9ti | 1CR18NI9TI | 1Cr18NI9ti | 1Cr18NI9ti | 45 |
Fourth, BJ45W DC thermal cut-off valve main dimensions
| PN (MPa) | DN (mm) | Size (mm) | Weight kg | |||||||||
| L | L1 | H | 3-G | D | D1 | D2 | b | Z-φd | Do | |||
| 2.5 | 15 | 200 | 50 | 210 | 1/2 | 105 | 75 | 55 | 16 | 4-φ14 | 120 | 14 |
| 20 | 220 | 50 | 240 | 1/2 | 115 | 85 | 65 | 16 | 4-φ14 | 140 | 18 | |
| 25 | 220 | 50 | 250 | 1/2 | 135 | 100 | 78 | 18 | 4-φ18 | 160 | 25 | |
| 32 | 250 | 55 | 270 | 1/2 | 145 | 110 | 85 | 18 | 4-φ18 | 160 | 30 | |
| 40 | 270 | 60 | 310 | 1/2 | 160 | 125 | 100 | 20 | 4-φ18 | 160 | 36 | |
| 50 | 300 | 60 | 330 | 3/4 | 180 | 145 | 120 | 22 | 8-φ18 | 240 | 40 | |
| 65 | 350 | 65 | 360 | 3/4 | 195 | 160 | 135 | 22 | 8-φ18 | 240 | 54 | |
| 80 | 380 | 70 | 400 | 3/4 | 230 | 190 | 160 | 24 | 8-φ23 | 280 | 70 | |
| 100 | 430 | 75 | 480 | 1 | 270 | 220 | 188 | 28 | 8-φ25 | 320 | 100 | |
| 125 | 490 | 80 | 550 | 1 | 300 | 250 | 218 | 30 | 8-φ25 | 360 | 130 | |
| 150 | 570 | 90 | 620 | 1 | 330 | 280 | 248 | 32 | 12-φ25 | 360 | 170 | |
| 200 | 690 | 95 | 750 | 1 | 395 | 340 | 302 | 36 | 12-φ25 | 400 | 250 | |
| 4.0 | 15 | 200 | 50 | 210 | 1/2 | 105 | 75 | 55 | 16 | 4-φ14 | 120 | 14 |
| 20 | 220 | 50 | 240 | 1/2 | 115 | 85 | 65 | 16 | 4-φ14 | 140 | 18 | |
| 25 | 220 | 50 | 250 | 1/2 | 135 | 100 | 78 | 18 | 4-φ18 | 160 | 25 | |
| 32 | 250 | 55 | 270 | 1/2 | 145 | 110 | 85 | 18 | 4-φ18 | 160 | 33 | |
| 40 | 270 | 60 | 310 | 1/2 | 160 | 125 | 100 | 20 | 4-φ18 | 160 | 41 | |
| 50 | 300 | 60 | 330 | 3/4 | 180 | 145 | 120 | 22 | 8-φ18 | 240 | 45 | |
| 65 | 350 | 65 | 360 | 3/4 | 192 | 160 | 135 | 22 | 8-φ18 | 240 | 62 | |
| 80 | 380 | 70 | 400 | 3/4 | 230 | 190 | 160 | 24 | 8-φ23 | 280 | 80 | |
| 100 | 430 | 75 | 480 | 1 | 270 | 220 | 188 | 28 | 8-φ25 | 320 | 100 | |
| 125 | 490 | 80 | 550 | 1 | 300 | 250 | 218 | 30 | 8-φ25 | 360 | 130 | |
| 150 | 570 | 90 | 620 | 1 | 350 | 295 | 258 | 34 | 12-φ30 | 360 | 185 | |
| 200 | 690 | 95 | 750 | 1 | 415 | 355 | 315 | 40 | 12-φ34 | 400 | 268 | |
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| Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City | 
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