YNTO Stainless Steel Pneumatic Wafer Type Hard Sealing Butterfly Valve
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YNTO Stainless Steel Pneumatic Wafer Type Hard Sealing Butterfly Valve
The Pneumatic Wafer Hard Sealing Triple Offset Butterfly Valve (D673H/W) features a precision U-shaped elastic sealing ring and a multi-layer metal hard sealing structure with three offsets.
Product Overview
The Pneumatic Wafer Hard Sealing Triple Offset Butterfly Valve (D673H/W) features a precision U-shaped elastic sealing ring and a multi-layer metal hard sealing structure with three offsets. Both the valve seat and the butterfly plate sealing surfaces are made of cast iron and stainless steel, providing excellent corrosion resistance. It is easy to operate, has good sealing performance, a long service life, and is easy to install. This valve is widely used in industrial pipelines for metallurgy, power, petroleum, chemical engineering, as well as water supply and drainage, and municipal construction, serving to regulate flow and interrupt fluid flow.
Main Performance Parameters |
|
| Nominal Diameter | DN50-DN600 |
| Nominal Pressure | 1.0 MPa (PN10) ~ 2.5 MPa (PN25) |
| Applicable Temperature | -30℃ ~ +425℃ |
| Applicable Medium | Water, steam, oil products, acids, and alkalis |
| Connection Method | Wafer connection |
| Body Material | Cast steel, stainless steel |
| Plate Material | Cast steel, stainless steel, and special materials |
| Stem Material | Cast steel, stainless steel, and special materials |
| Packing | PTFE, flexible graphite |
Main Dimensions and Connection Sizes |
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| Nominal Diameter | External Dimensions | Connection Dimensions | Pneumatic Actuator Model | |||||
| L | L1 | L2 | H | H1 | D1 | n-∅d | ||
| 50 | 43 | 178 | 121 | 277 | 65 | 125 | 4-∅18 | AT63D/AT75SR |
| 65 | 46 | 210 | 131 | 287 | 75 | 145 | 4-∅18 | AT75D/AT88SR |
| 80 | 46 | 210 | 131 | 365 | 85 | 160 | 8-∅18 | AT88D/AT100SR |
| 100 | 52 | 210 | 131 | 420 | 130 | 180 | 8-∅18 | AT100D/AT115SR |
| 125 | 56 | 309 | 160 | 436 | 175 | 210 | 8-∅18 | AT115D/AT125SR |
| 150 | 56 | 309 | 160 | 466 | 190 | 240 | 8-∅22 | AT125D/AT145SR |
| 200 | 60 | 309 | 160 | 593 | 215 | 295 | 12-∅22 | AT145D/AT160SR |
| 250 | 68 | 309 | 177 | 682 | 265 | 355 | 12-∅26 | AT160D/AT190SR |
| 300 | 78 | 309 | 177 | 725 | 305 | 410 | 12-∅26 | AT190D/AT210SR |
| 350 | 78 | 309 | 177 | 832 | 340 | 470 | 16-∅26 | AT210D/AT240SR |
| 400 | 102 | 309 | 177 | 862 | 360 | 525 | 16-∅30 | AT240D/AT270SR |
| 450 | 114 | 309 | 177 | 945 | 400 | 585 | 20-∅30 | AT240D/AW25SR |
| 500 | 127 | 309 | 177 | 1058 | 430 | 650 | 20-∅33 | AT270D/AW25SR |
| 600 | 154 | 309 | 177 | 1108 | 190 | 770 | 20-∅36 | AW25/AW28SR |
