FDV-R Straight and FDV-Ra Angled Valves, Fire Protection Control Valves

Piping System Components

Fire Protection Control Valves

FDV-R Straight and FDV-Ra Angled Valves

Product Description

FDV-Rs are elastomeric diaphragm type, stream line valve, featuring direct resilient diaphragm seal, with no balancing spring or metallic moving wet components in the valve body., The valves are designed for vertical or horizontal installation., Size: 2, 2.5, 3, 4, 6, 8 and 10 FDV-R straight valves with flanged inlet/outlet end connections., Size: 3, 4, 6 and 8 FDV-Ra angled valves with flanged inlet/outlet end connections. , Size: 2 FDV-Ra angled valve with threaded inlet/outlet end connections. , Valve body and cover are manufactured from Ductile Iron ASTM A-563 65-45-12 (default material), Cast Steel ASTM A-216 Grade WCB, Stainless Steel ASTM A743 CF8, Stainless Steel ASTM A743 CF8M or Nickel Aluminum bronze ASTM B148 C95800., Diaphragms and V-Rings are made of Natural Rubber (NR standard for DI and WCB valves) or EPDM (standard for Bronze and SS valves)., Valves actuating systems as per listed technical specifications.

Product Ratings

Maximum Allowable Working Pressure (MAWP): 250 psi (17.2 bar)

Applicable Standards

UL 1478 Standard for Fire Pump Relief-Valves, Fourth Ed.