The NIBCO ductile iron gate valve provides full flow with minimal pressure drop. The NIBCO flanged, ductile iron, gate valve is designed to be the main control valve in an automatic fire sprinkler system.
– 300psi/20.6 bar non-shock water working pressure (WWP)
– Outside screw and yoke
– Resilient wedge
– Epoxy coated body inside and out per AWWA C-550 (coating NSF and FDA certified)
– Flanged end connections
– Conforms to MSS SP-70
– Meets or exceeds performance requirements of AWWA C509 and C515 for 3″ and larger valves
– Listed by UL/ULC (UL262)
– FM approved
– Size range 2 1/2″ to 12″
MATERIAL LIST
PART SPECIFICATION
1 Valve Body Ductile Iron ASTM A536
2 Resilient Wedge Ductile Iron ASTM A536/EPDM ASTM D2000
3 Wedge Nut ASTM B584 UNS C83600
4 Dowel Pin ASTM A276 SS304
5 Stem Back Seat O-Ring EPDM ASTM D2000
6 Bonnet Gasket EPDM ASTM D2000
7 Bonnet Ductile Iron ASTM A536
8 Stem Packing EPDM ASTM D2000
9 Threaded Rod ASTM A276 SS304
10 Gland Bushing ASTM B584 UNS C83600
11 Gland Ductile Iron ASTM A536
12 Gland Nut ASTM B148 C95200 Aluminum Bronze
13 Yoke Ductile Iron ASTM A536
14 Yoke Bushing ASTM B150 C61400
15 Flat Point Set Screw ASTM F912M
16 Yoke Bushing Retainer Cast Iron ASTM A126 Class B
17 Handwheel Ductile Iron ASTM A536
18 Handwheel Nut Carbon Steel Zinc Plated
19 Stem Stainless Steel 304
20 Bonnet Screw Corrosion-resistant Steel
21 NPT Pipe Plug Steel ASME B16.14
22 UL/FM Label (not shown) Aluminium
23 Yoke Nut ASTM B148 C95200 Aluminum Bronze
24 Drive Screw Label (not shown) Stainless Steel 304
รีวิว
ยังไม่มีบทวิจารณ์