(BOS-CL) DeZURIK DeZURIK Butterfly Valves > On-Center Resilient Seated Butterfly Valves (BOS-CL)

DeZURIK On-Center Resilient Seated Butterfly Valves (BOS-CL)

Design Features:

BOS-CL Resilient-Seated Butterfly Valves are designed to handle a wide variety of liquids and gases. BOS-CL valves feature an on-center disc; one-piece body; high-performance resilient seat bonded to a solid backing ring, three heavy duty bearings, and a blow-out proof shaft to the full valve rating; dead end service with downstream flange attached. BOS-CL valves have bi-directional bubble-tight shutoff to the full valve rating; dead end service with downstream flange attached.


On-Center Resilient Seated Butterfly Valves (BOS-CL) Specifications

SIZE RANGE:
2-48" (50-1200mm)

TEMPERATURE RANGE:
Acrylonitrile-Butadiene (NBR) -20 to 180°F (-29 to 82°C)
Ethylene Propylene and a Diene (EPDM) -20 to 250°F (-29 to 121°C)

PRESSURE RATING:
Ductile Iron Nylon Coated (DINY) or 316 Stainless Steel (S2) Discs: 2-12” (50-300mm) = 175 psi (1210 kPa); 14-48” (350-1200mm) = 150 psi (1030 kPa)
 
Aluminum Bronze (ALB) Discs  = 150 psi (1030 kPa)
 

BODY STYLES:
Lugged 2- 24" (50-600 mm)
Flanged 26-48" (650-1200mm)

BODY MATERIAL:
Ductile Iron

ACTUATOR TYPE:
Lever, handwheel, chainwheel, PowerRac® double-acting and spring-return cylinder, Compak double-acting cylinder, G-Series cylinder