flange connection lift check valve（stainless steel）
technical parameter
item model number: h41w
nominal diameter: dn32~200mm
nominal pressure: pn1.6~10.0mpa
operating temperature: -29°c~200°c
applicable medium: water, steam, oil, nitric acid, acetic acid
product structure features
flanged connection lift check valve（stainless steel）are used in pipes under nominal pressures between pn1.6-16.0mpa, class150-900, working temperatures between-46-550℃,they are used in industries include oil, chemistry, pharmaceutical, fertilizer,and power generation to prevent the backward flux of the media.
main structural features:
1. rational structure, reliable sealing, excellent performance, pretty appearance.
2. co hard alloy welded sealing surface of the valve discs and seats, which is wearing resistant, erosion proof, abrasion proof andlong-lived.
3. different parts materials and different sizes for flange, & gasket-welding are available for sensible combination according to different working facts and customer's requirements.
main external connection dimensions
| dn | main external connection dimensions | ||||||
| l | d | d1 | d2 | b | z-d | h | |
| h41h-16c h41w-16c h41w-16p h41w-16r h41w-16i | |||||||
| 15 | 130 | 95 | 65 | 45 | 14 | 4-14 | 77 |
| 20 | 150 | 105 | 75 | 55 | 14 | 4-14 | 77 |
| 25 | 160 | 115 | 85 | 65 | 14 | 4-14 | 80 |
| 32 | 180 | 135 | 100 | 75 | 16 | 4-18 | 85 |
| 40 | 200 | 145 | 110 | 85 | 16 | 4-18 | 95 |
| 50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 105 |
| 65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 120 |
| 80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 130 |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 140 |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 155 |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 180 |
| 200 | 600 | 335 | 295 | 265 | 26 | 12-23 | 215 |
| 250 | 730 | 405 | 355 | 320 | 30 | 12-25 | 260 |
| 300 | 850 | 460 | 410 | 375 | 34 | 12-25 | 315 |
| h41h-25 h41w-25 h41w-25p h41w-25r h41w-25i | |||||||
| 15 | 130 | 95 | 65 | 45 | 16 | 4-14 | 100 |
| 20 | 150 | 105 | 75 | 55 | 16 | 4-14 | 105 |
| 25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 120 |
| 32 | 180 | 135 | 100 | 78 | 18 | 4-18 | 130 |
| 40 | 200 | 145 | 110 | 85 | 18 | 4-18 | 135 |
| 50 | 230 | 160 | 125 | 100 | 20 | 4-18 | 149 |
| 65 | 290 | 180 | 145 | 120 | 22 | 8-18 | 160 |
| 80 | 310 | 195 | 160 | 135 | 22 | 8-18 | 169 |
| 100 | 350 | 230 | 190 | 160 | 24 | 8-23 | 194 |
| 125 | 400 | 270 | 220 | 180 | 28 | 8-25 | 222 |
| 150 | 480 | 300 | 250 | 218 | 30 | 8-25 | 255 |
| 200 | 600 | 360 | 310 | 278 | 34 | 12-25 | 305 |
| 250 | 730 | 425 | 370 | 332 | 36 | 12-30 | 355 |
| 300 | 850 | 485 | 430 | 390 | 40 | 16-30 | 410 |