Cast Iron/ductile iron Wafer Butterfly ValvesStandard compliance:1) Design and manufacture: API609, ANSI B16.1
2) Test and inspection: API 598
3) Face to face dimensions: BS EN 558-1
4) Install between flanges: ANSI 16.10 CLASS 125, DIN2501 PN10/16, BS4504 PN10/16, JIS 16KSpecifications:1) Size: DN50 to DN600
2) Class: PN10, PN16.125LB, 150LB,
3) Type: Wafer type, lugged type and flanged type, central line, NBR/EPDM/VITON/PTFE Seat
4) Material: CAST IRON, DUCTILE IRON, CF8, CF8M
5) Operation: Lever, gear, pneumatic or electric actuatorDescription:
Wafer type or lugged type
Design and manufacture: MSS SP-67, API 609
Test and inspection: API 598 .
Flanged end: ANSI B16.1, BS4504, ISO2084 and
Flanged end: DIN2501 etc.
Top flange: ISO5211
Center line butterfly valve
Resilient seat
Shaft: Round, double D or square type
Size: 2" ~ 32" (DN50 ~ 800)
Working pressure: 1.0MPa / 1.6MPa / Class125
Operator: lever, gear, electric or pneumatic actuator
Standard materials of parts
| Body | Grey iron, Ductile iron, Cast steel, Stainless steel |
| Disc | Ductile iron, Aluminum bronze, Stainless steel |
| Stem | Stainless steel |
| Bushing | Lubricated bronze, PTFE |
| Seat | BUNA, EPDM, Neoprene, PTFE, NR, NBR, Hypalon, VITON |
| Pin | Stainless steel |
| O-ring | BUNA, EPDM |
Dimensions (in mm & inch) and weight
| Size | A | B | C | L | E | F | kgs |
| mm | inch |
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| 50 | 2" | 161 | 80 | 42 | 32 | 57.15 | 12.6 | 2.5 |
| 65 | 2.1/2" | 175 | 89 | 44.7 | 32 | 57.15 | 12.6 | 3.2 |
| 80 | 3" | 181 | 95 | 45.2 | 32 | 57.15 | 12.6 | 3.6 |
| 100 | 4" | 200 | 114 | 52.1 | 32 | 69.85 | 15.7 | 4.9 |
| 125 | 5" | 213 | 127 | 54.4 | 32 | 69.85 | 18.92 | 7 |
| 150 | 6" | 226 | 139 | 55.8 | 32 | 69.85 | 18.92 | 7.8 |
| 200 | 8" | 260 | 175 | 60.6 | 45 | 88.9 | 22.1 | 13.2 |
| 250 | 10" | 292 | 203 | 65.6 | 45 | 88.9 | 28.45 | 19.2 |
| 300 | 12" | 337 | 242 | 76.9 | 45 | 107.95 | 31.6 | 32.5 |
| 350 | 14" | 368 | 267 | 76.9 | 45 | 107.95 | 31.6 | 41.3 |
| 400 | 16" | 400 | 298 | 86.5 | 51.2 | 158.75 | 33.15 | 61 |
| 450 | 18" | 422 | 318 | 105.6 | 51.2 | 158.75 | 38 | 79 |
| 500 | 20" | 480 | 349 | 131.8 | 64.2 | 185.75 | 41.15 | 128 |
| 600 | 24" | 562 | 440 | 152 | 70.2 | 215.9 | 50.65 | 188 |
| 700 | 28" | 624 | 520 | 163 | 72 | 254 | 55 | 284 |
| 800 | 32" | 672 | 591 | 188 | 82 | 254 | 55 | 713 |
All our products are designed and manufactured strictly in conformity with the standard of API, ANSI, AWWA, JIS, BS and DIN, etc. Most of our manufacturers have obtained ISO 9001, API 6D, TUV and CE certificates to ensure the quality stability of the products. We provide EN10204-3.1B. Mill Test Certificate for all our supplied products.
Our products range covers all kinds of ball valves, gate valves, globe valves, check valves, butterfly valves, plug valves, safety relief valves, bellow sealed valves, diaphragm valves, steam traps, knife gate valves, strainers, quick couplings, all types of flanges, pipe fittings, bolts&nuts&gaskets, steel plates, tubing and casing, line pipes and other pipeline equipment & components, with the materials of carbon steel, alloy steel, stainless steel, grey iron, ductile iron, brass and bronze. Our products are utilized widely in oil, gas, hydraulic, refining chemicals, petrochemicals, pharmaceuticals, food industries, fire-safe systems, marine systems and power stations, etc.