PTFE/PFA Lined Wafer Butterfly Valve Cast Steel
Ductile iron/cast steel body, PTFE/PFA lined wafer type butterfly valve. Centric free stem with standardized pattern for actuator mounting.
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Product Parameters
| Design standard: | EN 593 |
| Face to Face: | ISO 5752 |
| End standard: | DIN 2501 |
| Size: | DN40-DN300 |
| Top flange: | ISO 5211 |
| Pressure rating: | PN10 |
| Media: | Acid, chemical, hygienic media |
| Material： | Ductile Iron,Cast Steel |
| Option: | DN350-DN600 available |
Product Dimensions
| DN | D1 | D2 | K | E | D3 | A | B | C | L | n-ø | h | ø2 | n1-ø1 | f | J | X |
| DN40 | 110 | 85 | 65 | 50 | 35 | 105 | 110 | 33 | 35 | 4-18 | 2 | 16 | 4-8 | 13 | 13.8 | 5 |
| DN50 | 125 | 100 | 65 | 50 | 35 | 105 | 110 | 43 | 35 | 4-18 | 2 | 16 | 4-8 | 13 | 13.8 | 5 |
| DN65 | 145 | 120 | 65 | 50 | 35 | 115 | 135 | 46 | 35 | 4-18 | 2 | 16 | 4-8 | 13 | 13.8 | 5 |
| DN80 | 160 | 135 | 90 | 70 | 55 | 125 | 145 | 46 | 55 | 8-18 | 2 | 20 | 4-10 | 13 | 13.8 | 6 |
| DN100 | 180 | 155 | 90 | 70 | 55 | 135 | 175 | 52 | 55 | 8-18 | 2 | 20 | 4-10 | 13 | 17.77 | 6 |
| DN125 | 210 | 185 | 125 | 102 | 70 | 160 | 210 | 56 | 75 | 8-18 | 2 | 22 | 4-12 | 13 | 20.92 | 6 |
| DN150 | 240 | 210 | 125 | 102 | 70 | 180 | 235 | 56 | 75 | 8-23 | 2 | 24 | 4-12 | 13 | 20.92 | 8 |
| DN200 | 295 | 265 | 150 | 125 | 85 | 220 | 290 | 60 | 85 | 12-23 | 2 | 28 | 4-14 | 13 | 24.1 | 8 |
| DN250 | 355 | 320 | 150 | 125 | 85 | 255 | 340 | 68 | 85 | 12-25 | 2 | 30 | 4-14 | 13 | 31.45 | 8 |
| DN300 | 410 | 375 | 175 | 140 | 100 | 290 | 395 | 78 | 95 | 12-25 | 3 | 35 | 4-18 | 20 | 34.6 | 10 |
Drawings
Material Specification
| NO. | Part Name | Material |
| 1 | Body | WCB |
| 2 | Lower Washer | 35 ASTM A570 GR33 |
| 3 | Aerosil Washer | SI |
| 4 | Check Ring | 65Mn |
| 5 | Shim | 35 ANSI 1035 |
| 6 | Lower Clamp Ring | H62 |
| 7 | Disc | Stainless Steel+F4 CF8+PTFE |
| 8 | Stem | 2Cr13 |
| 9 | O-Ring | FPM |
| 10 | Seat | PTFE |
| 11 | Upon Clamp Ring | H62 |
| 12 | Aerosil Washer | SI |
| 13 | Upper Washer | 35 ANSI 1035 |
| 14 | Bushing | H62 |
| 15 | Aerosil Bar | SI |
| 16 | Spacer Bar | PTFE |
| 17 | Screw | 35 ANSI 1035 |
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