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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