FDV Valves, Valve, Deluge
Piping System Components
Valve, Deluge
RAPHAEL VALVES INDUSTRIES LTD, Akiva,, Israel
Akiva,, Israel
FDV Valves
Product Description
FDVs are elastomeric diaphragm type, globe pattern valves, featuring direct resilient/elastomeric 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, 3, 4, 6 and 8 with flanged inlet/outlet end connections., Size: 1.5 and 2 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 260 Standard for Dry Pipe and Deluge Valves for Fire-Protection Service, Seventh Ed.