Chongqing Lange Machinery Group Co.,Ltd.
 Marine Fire Suppression System >> Parts >> Fire Valves >> Fire Protection Valves
Material Specification:
Component Material Component Material
Body Ductile Iron ASTM A536 Gr. 65-45-12 O-Ring EPDM
Wedge Ductile Iron ASTM A536 Gr. 65-45-12, EPDM Coated Thrust Washer PTFE
Wedge Nut Bronze ASTM B62 C83600 Post Plate Ductile Iron ASTM A536 Gr. 65-45-12
Gasket EPDM Operating Nut Ductile Iron ASTM A536 Gr. 65-45-12
Stem Brass ASTM B16 C36000 Indicator Flange Bolts Stainless Steel AISI 316
Stainless Steel AISI 304 Bonnet Bolts Carbon Steel ASTM A307B
Bonnet Ductile Iron ASTM A536 Gr. 65-45-12    
Dimensions (mm/inch)
Valve 65mm/2-1/2" 80mm/3" 100mm/4" 150mm/6" 200mm/8" 250mm/10" 300mm12"
Size mm inch mm inch mm inch mm inch mm inch mm inch mm inch
A 190.5 7-1/2 203.0 8 229.0 9 267.0 10-1/2 292.0 11-1/2 330.0 13 356.0 14
B 265.0 10-7/16 335.0 13-3/16 385.0 15-3/16 460.0 18-1/8 570.0 22-7/16 650.0 25-5/8 770.0 30-5/16
C - - - - 305.0 12 305.0 12 305.0 12 305.0 12 305.0 12
D 178.0 7 190.5 7-1/2 228.6 9 279.4 11 343.0 13-1/2 406.4 16 483.0 19
Weight (kg) 23 29 55 81 115 186 290