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) Dead-End Service Shutoff: 250 psi (17.2 Bar) Body (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 |
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.