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| Design: | API 609 | Body Configuration: | Wafer, Lug, Double Flange |
|---|---|---|---|
| Size Rating: | 2" To 48" | Seat Materail: | EPMD, NBR |
| Stem Material: | SS410，13% Chrome | Warranty: | 1 Year |
Rubber Seated Wafer Type Ductile Iron API609 Butterfly Valve For WOG Application
Overview
Available in sizes 2" to 48".
Available in Wafer or Lug style body (2" to 30").
Double flange available 28" to 48" valves.
Wafer body features four alignment holes. Pressure ratings for tight shutoff at temperatures up to the maximum limit of the seat material:
2" to 12" — 200 psi, 125 psi for PTFE/Buna seat.
14" to 48" — 150 psi.
Ideal for on-off or throttling services.
Available with lever handles (2" to 12"), manual gear operators (2" to 48"), and electric or pneumatic actuators (2" to 48"). Refer to Crane automation bulletin for details of pneumatic and electric actuators.
Designed to comply with MSS SP-67 and MSS SP-25.
| Material | Temperature Ratings °F |
| Buna-N | +10 to 180 |
| Abrasive Resistant | +10 to 180 |
| Neoprene | +20 to 200 |
| EPDM (2"- 16") | +30 to 275 |
| EPDM (18" & Above) | -30 to 225 |
|
EPDM, Food Grade |
-30 to 225 |
Bill of Materials
| Item | Description | Materials | Optional Materials |
| 1 | Body | Ductile Iron | Ductile Iron (A536 65-45-12), (A395 60-40-18) |
| 2 | Disc | Ductile Iron | Aluminum Bronze (B148-C954), 316 SS (A351-CF8M), Monel® (A494-M30C) |
| 3 | Seat | Buna-N or EPDM | Neoprene, Viton, PTFE, FDA, Abrasion Resistant |
| 4 | Shaft | 416 Stainless Steel (A582-416) | 316 Stainless Steel (A276/A479-316), Monel (B164-K400 CL-B), 17-4PH (A564-630/1150) |
| 5 | Taper Pins | 416 Stainless Steel (A582-416) | 316 Stainless Steel (A276/A479-316), Monel (B164-K400 CL-B), 17-4PH (A564-630/1150) |
| 6 | Key | Carbon Steel | No Option Available |
| 7 | O-Ring | Buna-N | No Option Available |
| 8 | Bushing | PTFE | Luberized Bronze |
| 9 | Bushing | PTFE | Luberized Bronze |
| 10 | Bushing | PTFE | Luberized Bronze |
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