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Name:Flat-plate gate valve
Referenced standard:
design
GB/T 12239-89《universal valve, flange joint steel globe valve and lift check valve》
Pressure-temperature rating
GB9131-88< pressure-temperature class>
Sturcture length
GB/T 12221-1989《flange joint steel valve and the strucure length》
flange
JB/T 79、GB9113
Test and inspection
ZBJ 16006-90《the test and the inspection of valve》
 
Testing pressure:
Part name
Operating situation
Z43H-16C(25,40,64,100)
KZ43HF-16C(25,40,64,100)
Total amount of Oil,water,H2S and CO2 is 20-500mg/m3
The total amount of oil, H2S and CO2≥500mg/m3
Body, bonnet
Low alloy steel, carbon steel
plate
Low alloy steel(corrosion resistant disposal on the surface)
Stainless steel(cobalt based alloy welded on the sureface)
stem
 Low alloy steel (corrosion resistant disposal on the surface),stainless steel
318
seat
Carbon steel(corrosion resistant disposal on the surface)
ductile cast iron (corrosion resistant disposal on the surface)
Stainless steel(cobalt based alloy welded on the sureface)
O seal ring
nitrile rubber
Fluorinated Rubber
Packing soft seal
Filled FEPT
Materials of the primary parts:
PN
1.6MPa
2.5MPa
Shell testing
2.4MPa
3.75MPa
Seal testing under high pressure
1.76MPa
2.75MPa
Upper seal testing
1.76MPa
2.75MPa
Seal testing under low pressure
0.6MPa
0.6MPa
Applicable temperature
Water, grease, oil, natural gas
Applicable temperature
normal temperature
 
 
  
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Address: 18F,Guolian Building,Taiwan Street,Xiamen,361006,P.R.China
Tel:(86-592) 2686373 Fax:(86-592) 3299802   http://www.sfvalve.com.cn
Factory Address: East Jin-ming Road, Jinsha Park, New High-tech Industry Zone, Sanming City, Fujian Province, China.
Tel: (86-598)-8332050