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Item: Series 31H Resilient Seated Butterfly Valves




Series 31H Lug resilient seated butterfly valves are drilled and tapped to meet ASME Class 125/150 and PN16 flanges. Series 31H Valves will not be automated.

Specifications:

• Size Range: 2” – 20” (50mm – 500mm)
• Body Style: Lug
• Temperature Range: -20°F to 250°F (-29°C to 121°C)
• Pressure Ratings: Bidirectional Bubble-tight Shutoff: 250 psi (17.2 Bar)
• Body (CWP): (CWP): 250 psi (17.2 Bar)
• Body Materials: Cast Iron, Ductile Iron
• Disc Materials: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel
• Stem Materials: Stainless Steel
• Seat Materials: Bonded BUNA-N, Bonded EPDM
• Applications: High Pressure, HVAC, Dead-End service




 DOWNLOADS 

Bray Butterfly Valves Catalog
(PDF, 4317KB)

Resilient Seated Butterfly Valves Technical Manual
(PDF, 2357KB)

Bray Butterfly Valves Operation and Maintenance Manual
(PDF, 2478KB)

Bray Full Line Overview
(PDF, 2496KB)



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