Series 100/200 Rubber Seated Butterfly Valve Spec Sheet

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Series 100/200 General Service Rubber Seated Butterfly Valve Specifications

General
Valves shall be of the wafer (or lug wafer) design for installation between ANSI B16.1 125# flanges. All valves shall be capable of bi-directional, bubble tight service to the rated pressure. Valves shall be Pratt Series 100/200 or approved equal.

Pressure Rating
2" through 12" - 175 psi
14" and larger - 150 psi

Body
The valve body shall be cast iron ASTM A-126 Class B. Laying length shall conform to MSS-SP67, latest revision.

Disc
Valve disc shall be epoxy coated ductile iron ASTM A-536 Grade 65-45-12 (or 316 stainless steel or aluminum bronze).

Shaft
Valve shaft shall be stainless steel type 416 for 2" - 12" and type 17-4 for 14" - 20"

Seat
Seat shall be EPDM (or Buna-n or Viton). Seats shall be located in the valve body and shall be field replaceable.

Shaft Seal
Shaft Seal shall be self adjusting V-Type and shall be suitable for pressure or vacuum service.

Testing
All valves shall be leak tested in the factory at their rated pressure.

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