Wafer Butterfly Check Valves (Dn71X-10)

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  • Model NO.: SDCV072
  • Connection Form: Flange
  • Pressure: Low Pressure
  • Sealing Form: Gland Packings Globe Valve
  • Standard: ANSI
  • Size: 2′′-24′′
  • Transport Package: in Poly Wooden Cases or Poly Wooden Pallets
  • Origin: China
  • Material: Cast Iron
  • Structure: Life Chenck Valve
  • Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
  • Flow Direction: Unidirection
  • Application: Industrial Usage, Water Industrial Usage
  • Trademark: SDK
  • Specification: size: 2′′-24′′
  • HS Code: 84818040
Wafer Butterfly Check Valves (Dn71X-10)Usage
Wafer Butterfly Check Valves (Dn71X-10)

Wafer Butterfly Check Valves (Dn71X-10)
Wafer Butterfly Check Valves (Dn71X-10)
Wafer Butterfly Check Valves (Dn71X-10)
They are used for pipe of transporting water with such medium as water sewage and seawater. It can
Avoidmedia flowing backwards and prevent damaging water hammer, guarantee the safety using of pipes


Features
1. The products are new structure, small and light weight
2. Reliable sealed, endurable open-close, erar-reaisting. Long life/
3. With less flowing resistance than old check valve and obvious energy-saving effects
Other
1. Standard: EN, MSS, BS, ANSI
2. Connection type: Wafer, flange, theard
3. Type: Swing check valves, lift check vlaves
4. Body: Cast iron, ductile iron, cast steel, forged steel, stainless steel
5. Disc: Ductile iron, stainless steel 304/316, aluminum bronze
6. Seat: NBR, EPDM, PTFE
7. SizeL2''-24''
8. Packaging: Export poly wooden cases, or as per customers'requirements
9. Delivery time: 45 days after order conformed
10. Payment: By T/T, D/P or L/C
Performance data
Nominal pressure 1.0
Testing pressure(Mpa) strength 1.5
Sealing 1.1
Suitable medium Water, Oil etc.
Working temperature ≤150 
 






 
Material of main parts
Part name Material quality
Body Grey cast iron
Stem Stainless steel
Disc Ductile cast iron, stainless steel
 





 
Outline and connect measurement                
Nominal diameter      DN O.Dia.of Pipe Flange Valve Weight
do D D1 D2 b1* b2 f n-d L R t kg
50 57 160 125 100 18 20 3 4-18 43 29.7 19 1.5
65 73 180 145 120 20 20 3 4-18 46 39.5 20 2.4
80 89 195 160 135 20 22 3 8-18 64 43.4 26 3.6
100 108 215 180 155 22 22 3 8-18 64 56.6 28 5.7
125 133 245 210 185 24 24 3 8-18 70 67.6 30 7.3
150 159 280 240 210 24 24 3 8-22 76 80.6 31 9.0
200 219 335 295 265 24 26 3 8-22 89 103.9 33 17.0
250 273 390 350 320 26 28 3 12-22 114 127 45 26.0
300 325 440 400 368 28 28 4 12-22 114 147 45 42.0
350 377 500 460 428 28 30 4 16-22 127 173 50 55.0
400 426 565 515 482 30 32 4 16-26 140 198 54 75.0
500 529 570 620 585 32 34 4 20-26 152 241 58 107
600 630 780 725 685 36 36 5 20-30 178 298 73 165

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