SPECIFICATIONS

● Series 51 Body Style: Wafer

● Series 53 Body Style: U Section Wafer (Lugs drilled not tapped)

● Body: CI, DI, CS

● Disc: Nylon Ductile Iron (NDI), Aroxy Ductile Iron (ADI), CF8M

● Stem: 410 SS, 316 SS, CS BS 970

● Seat: EPDM, Buna-N, FKM, Silicone

● Size Range: 26" to 40“ (DN 650 to 1000)

● Pressure Rating: 150 PSIG (PN 10)

● Design Standard: API 609, BS EN 593

● Testing Standard: API 598, BS EN 12266-1

FEATURES

● ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

● Heavy duty bronze sleeve bearing reduces friction and torque

● High strength disc with hand polished disc edge and hubs

● Thick bronze bushing absorbs actuator side thrusts

● Bronze vertical thrust bearing eliminates disc displacement due to weight of stem and disc

● Blowout proof stem retention offers easy assembly and disassembly

● Bi-directional U-cup stem seal

● Heavy duty, one-piece epoxy coated body

● Center-LOK® peroxide cured seat

● Double molded O-rings provide upper and lower secondary seals