Wafer Butterfly Valve Pruduct Standard:Design : BS5155, API609, BS EN593
Flanges: BS4504, DIN2501, ASME16.1, JIS 5K/10K
Face to face : DIN3202, BS EN558-1, ISO5752,
ASME B16.1
Top Flange: ISO5211
Test : BS EN12266, API598
Technical Specification:Size: DN50~DN600 (2'' ~ 24'')
Pressure: PN10/16
Work Temperature: -5°C ~ 85°C
Seat Test: 1.1 x PN
Shell Test: 1.5 x PN
Medium: Clean Water,Sewag
Materials:Item | Part | Material |
1 | Body | Ductile Iron GGG40/50 or Cast Iron GG25 |
2 | Disc | Ductile Iron, Cast Iron. SS304 (CF8) Stainless steel |
3 | Stem | SS304/316 |
4 | O-Ring | NBR/EPDM/VITON |
5 | Seat | EPDM/PTFE |
6 | Bushing | PTFE/Bronze |
7 | Hand wheel | Cast Iron |
8 | Worm Gear | Cast Iron |
9 | Coating | Epoxy Coated to 250 Microns internal & external |
Data sheetCode No. | Size | DN | L | φC | A | B | φF | φE | n-zφd PN10 | n-zφd PN16 |
LWBV-0050 | 2" | 50 | 42 | 125 | 64 | 138 | 65 | 50 | 4-φ8 | 4-φ19 |
LWBV-0065 | 21/2" | 65 | 44 | 145 | 73 | 152 | 65 | 50 | 4-φ8 | 4-φ19 |
LWBV-0080 | 3" | 80 | 45 | 160 | 85 | 158 | 65 | 50 | 4-φ8 | 8-φ19 |
LWBV-0100 | 4" | 100 | 52 | 180 | 100 | 177 | 65 | 50 | 4-φ8 | 8-φ19 |
LWBV-0125 | 5" | 125 | 54 | 210 | 115 | 190 | 90 | 70 | 4-φ10 | 8-φ19 |
LWBV-0150 | 6" | 150 | 56 | 240 | 131 | 202 | 90 | 70 | 4-φ10 | 8-φ23 |
LWBV-0200 | 8" | 200 | 60 | 295 | 160 | 237 | 90 | 70 | 4-φ10 | 12-φ23 |
LWBV-0250 | 10" | 250 | 66 | 335 | 195 | 267 | 125 | 102 | 4-φ12 | 12-φ28 |
LWBV-0300 | 12" | 300 | 76 | 410 | 230 | 304 | 125 | 102 | 4-φ12 | 12-φ28 |
LWBV-0350 | 14" | 350 | 78 | 470 | 250 | 330 | 125 | 102 | 4-φ12 | 16-φ28 |
LWBV-0400 | 16" | 400 | 99 | 525 | 292 | 375 | 175 | 140 | 4-φ18 | 16-φ31 |
LWBV-0450 | 18" | 450 | 105 | 585 | 307 | 405 | 175 | 140 | 4-φ18 | 20-φ31 |
LWBV-0500 | 20" | 500 | 128 | 650 | 342 | 450 | 175 | 140 | 4-φ18 | 20-φ34 |
LWBV-0600 | 24" | 600 | 152 | 770 | 433 | 518 | 210 | 165 | 4-φ22 | 20-φ37 |
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