Resilient Seated for Higher Pressures Double Flanged

Series 58 Resilient Seated for Higher Pressures Double Flanged

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Double Flanged

Body Style	Series 58 – Double Flanged
Body	CI, DI, CS, SS
Disc	Nylon coated Ductile Iron, Aroxy Ductile Iron, CF8M, NAB
Stem	410 SS, 17-4 PH, 316 SS
Seat	EPDM, Buna-N, FKM
Size Range	2" to 48“ (DN 50 to 1200)
Pressure Rating	2" to 24" - 285 PSIG (PN 20) 26" to 48" - 230 PSIG (PN 16)
Design Standard	API 609, BS EN 593
Testing Standard	API 598, BS EN 12266-1

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ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears
High strength disc with polished edge and hubs
Upper and lower stem with Square or double-D drive eliminates the need for disc screws or taper pins
Double molded O-rings provide upper and lower secondary seals
Heavy duty bushing absorbs forces acting on disc-stem assembly due to line pressure
“Bear-G” bearings on drive and non-drive end stem reduce friction and isolate stem from valve body
Bi-directional U-cup stem seal