Pneumatic double-clip type Butterfly valve
详情介绍
product description
Overview of pneumatic butterfly valve products
Sandwich type pneumatic butterfly valve, 90° rotary switch easy, reliable sealing, long service life, is widely used in water plants, power plants, steel mills, paper, chemical, food and beverage systems such as water supply and drainage, as a regulation and cut-off use.
Two, pneumatic butterfly valve features
1, the valve adopts a double eccentric structure, with the sealing function of more close more tight, reliable sealing performance.
2. The sealing auxiliary material is matched with stainless steel and nitrile oil-resistant rubber, which has a long service life.
3, the rubber sealing ring can be located on the valve body, can also be located on the butterfly plate, can be applicable to different characteristics of the medium, for users to choose.
4. The butterfly plate adopts frame structure with high strength, large flow area and small flow resistance.
5, the overall paint, can effectively prevent corrosion and as long as the replacement of sealing seat sealing material, can be used in different media.
6, the valve has a two-way sealing function, installation is not controlled by the flow of media, also not affected by the space position, can be installed in any direction.
7, the valve structure is unique, flexible operation, labor saving, convenient.
Three, the main technical parameters of pneumatic butterfly valve
DN(mm) | 50~2000 | 50~1600 | |
PN(MPa) | 0.6 | 1.0 | 1.6 |
Seal test(MPa) | 0.66 | 1.1 | 1.76 |
strength test(MPa) | 0.9 | 1.5 | 2.4 |
applicable temperature | Nitrile rubber: -40℃ ~ 90℃ fluorine rubber: -20℃ ~ 200℃ | ||
applicable medium | Water, air, natural gas, oil and weak corrosive fluids | ||
leakage rate | Comply with GB/ t13927-92 standard | ||
drive mode | Worm gear drive, electric, pneumatic, hydraulic |
Four, pneumatic butterfly valve main parts and components materials
name of parts | materials |
valve body | WCB、QT450-10、HT200、HT250 |
Butterfly Plate | WCB、QT450-10、HT200、HT250 |
valve shaft | 2Cr13 |
seal ring | Nitrile oil resistant rubber |
padding | Expanded graphite |
Five, pneumatic butterfly valve implementation standard
manufacturer's standard | GB/T 122387-89 |
Flange standard | GB9113-2000、GB17241.6-1998 |
Structural length standard | GB12221-89 |
inspection standard | GB/T 13927-92 |
Six, pneumatic butterfly valve main shape connection size unit: mm
DN | L | H | HO | A | B | 0.6MPa | 1.0MPa | 1.6MPa | |||
DO | n-d | DO | n-d | DO | n-d | ||||||
50 | 43 | 63 | 315 | 180 | 65 | 110 | 4-14 | 125 | 4-18 | 125 | 4-18 |
65 | 46 | 70 | 330 | 180 | 65 | 130 | 4-14 | 145 | 4-18 | 145 | 4-18 |
80 | 46 | 83 | 390 | 245 | 72 | 150 | 4-18 | 160 | 8-18 | 160 | 8-18 |
100 | 52 | 105 | 431 | 240 | 72 | 170 | 4-18 | 180 | 8-18 | 180 | 8-18 |
125 | 56 | 115 | 455 | 240 | 72 | 200 | 8-18 | 210 | 8-18 | 210 | 8-18 |
150 | 56 | 137 | 626 | 350 | 93 | 225 | 8-18 | 240 | 8-22 | 240 | 8-22 |
200 | 60 | 164 | 720 | 350 | 93 | 280 | 8-18 | 295 | 8-22 | 295 | 8-22 |
250 | 68 | 206 | 800 | 550 | 350 | 335 | 12-18 | 350 | 12-22 | 355 | 12-26 |
300 | 78 | 230 | 860 | 600 | 350 | 395 | 12-22 | 400 | 12-22 | 410 | 12-26 |
350 | 78 | 248 | 883 | 600 | 350 | 445 | 12-22 | 460 | 16-22 | 470 | 16-26 |
400 | 102 | 289 | 972 | 600 | 350 | 495 | 16-22 | 515 | 16-26 | 525 | 16-30 |
450 | 114 | 320 | 1043 | 750 | 350 | 550 | 16-22 | 565 | 20-26 | 585 | 20-30 |
500 | 127 | 343 | 1098 | 750 | 380 | 600 | 20-22 | 620 | 20-26 | 650 | 20-33 |
600 | 154 | 413 | 1236 | 750 | 380 | 705 | 20-26 | 725 | 20-30 | 770 | 20-36 |
700 | 165 | 478 | 1431 | 750 | 380 | 810 | 24-26 | 840 | 24-30 | 840 | 24-36 |
800 | 190 | 525 | 1488 | 750 | 380 | 920 | 24-30 | 950 | 24-33 | 950 | 24-39 |
900 | 203 | 620 | 1615 | 1250 | 380 | 1020 | 24-30 | 1050 | 28-33 | 1050 | 38-39 |
1000 | 216 | 725 | 1765 | 1500 | 580 | 1120 | 28-30 | 1160 | 28-36 | 1170 | 28-42 |
1200 | 254 | 780 | 1976 | 1500 | 580 | 1340 | 32-33 | 1380 | 32-39 | 1390 | 32-48 |