Series 31H, Ball Valves & butterfly valves
Piping System Components
Ball Valves & Butterfly Valves
BRAY CONTROLS, USA, Houston, United States of America
Houston, United States Of America
Series 31H
Product Description
Resilient seated Butterfly Valve Series 31H Lug, constructed with a body manufactured with Cast Iron, Ductile Iron, Carbon Steel and Aluminum, Seat manufactured with EPDM, BUNA-N, FKM, HT EPDM, and Polyurethane.
Product Ratings
Sizes: 2" - 20" ( 50mm to 500mm) | Pressure Rating: 250 psi (17.2 bar) | Seat Material Operating Temperature range with EPDM: -20 F (-29 C) minimum, 250 F (121C) maximum. | Seat Material Operating Temperature range with BUNA-N: 0 F (-18 C) minimum, 212 F (100C) maximum. | Seat Material Operating Temperature range with FKM: 0 F (-18 C) minimum, 400 F (204C) maximum. | Seat Material Operating Temperature range with HT EPDM: -20 F (-29 C) minimum, 300 F (150C) maximum. | Seat Material Operating Temperature range with Polyurethane: -20F (-29 C) minimum, 175F (80C) maximum. | | | See attached "pdf: for construction, materials details.
Applicable Standards
ASME B16.5-2013 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard; Class 125/150.