Water Works Wafer Flange Type
WW Series is a new 100% genuine imported butterfly valve line, providing full CO CQ, inspection stamps, receiving unlimited supply.
Specifications
| Size |
DN 200 to DN 1500 (2” to 60”) |
| Pressure Rating |
ASTM 125 to 150 CLASS, DIN PN 10 to 16, JIS 5K to 20K |
| Actuator |
Gear, Pneumatic Cylinder, Electric Motor |
| Temperature Range |
-20°C to 150°C |
| Face to Face |
Conform to BS5155, ISO 5752, AWWA C504 |
| Testing |
ANSI B16.104 CLASS VI / API 598 / ISO 5208 / JIS F7480 |
Structures
| Part # | Part |
NameMaterial |
| 1 | Body |
Ductile Iron / Cast Steel / Stainless Steel / Nickel Aluminum Bronze |
| 2 | Disc |
Stainless Steel / Ductile Iron / Nickel Aluminum Bronze |
| 3 | Retainer |
Cast Steel / Stainless Steel / Nickel Aluminum Bronze |
| 4 | Seat |
NBR / EPDM / Viton |
| 5 | Upper-Stem |
Stainless Steel (304 / 316 / 316L / 630(17-4PH) / Super Duplex / Monel |
| 6 | Lower-Stem |
Stainless Steel (304 / 316 / 316L / 630(17-4PH) / Super Duplex / Monel |
| 7 | Bearing |
Oilless Bearing |
| 8 | Gasket |
Non ASBESTOS / O-RING |
| 9 | Bottom Cover |
Ductile Iron / Cast Steel / Stainless Steel / Nickel Aluminum Bronze |
| 10 | Packing Gland |
Ductile Iron / Cast Steel / Stainless Steel / Nickel Aluminum Bronze |
| 11 | Packing |
PTFE / Graphite / Rubber |
| 12 | Disc |
PinStainless Steel |
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