FEATURES
- Top plate double drilled to ISO 5211 and standard secondary bolt circle dimensions designed for directing mounting of a wide range of actuators, handles, and gears
- Heavy duty acetal bushing
- High strength disc with hand polished disc edge and hubs
- One piece stem with internal Double D drive eliminates disc pins and screws
- Blowout proof stem retention offers easy assembly and disassembly
- Bi-directional U-cup stem seal
- Heavy duty, one piece epoxy coated body with extended neck for 2” of insulation and locating holes
- Center-LOK® peroxide cured seat
- Double molded O-rings provide upper and lower secondary seals
Resilient Seated Butterfly Valves
Series 50/52
Resilient Seated
Full Specification
- Product Series
- 50/52
- Size range
- 2" to 24“ (DN 50 to 600)
- Pressure Rating
- 2" to 12" – Class 125, 175 PSIG (PN 12) / 14” to 24” – 150 psi (PN 10) / Optional: 2” to 24” – 230 (PN 16)
- Design Standards
- API 609, BS EN 593
- Testing Standard
- API 598, BS EN 12266-1
- Body Style
- Series 50 – Wafer, Series 52 – Lug, Series 5A – Wafer (Alternate stem size), Series 5B – Lug (Alternate stem size)
- Body Material
- (CI/DI - CI ASTM A126 CLASS B, CI IS 210 FG 260, DI ASTM A395 60-40-18), (CS/SS - ASTM A216 WСВ, ASTM A351 CF8/C8M/CF3M)
- Disc Material
- Nylon coated Ductile Iron, Aroxy Ductile Iron, CF8M
- Stem Material
- 410 SS, 17-4 PH
- Seat Material
- EPDM, White EPDM, Buna-N, White Buna-N, FKM, Silicone
- Seal Material
- NBR (BUNA-N)
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Solutions that scale with plants across applications, industries, and geographies.
