Wafer Type Cast Ductile Iron Butterfly Valve

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  • Model NO.: 2"-48"
  • Connection Form: Wafer
  • Seal Form: Metal & Rubber
  • Work Pressure: Low Pressure (Pn<1.6mpa)
  • Material of Seal Surface: Soft Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Trademark: SDK
  • Specification: CE, ISO certificate
  • HS Code: 84818040
  • Driving Mode: Manual
  • Structure: Centre Sealing
  • Valve Stem: Normal
  • Working Temperature: Normal Temperature (-40°C<T<120°C)
  • Valve Body: Casting
  • Size: 2"-48"
  • Transport Package: in Poly Wooden Cases or Poly Wooden Pallets
  • Origin: China
Feature
1. Long service life with reliable seal and without frequent main tenance
2. Pressure loss
     Too much pressure loss will bring increased cost of correlative energy
      Butterfly valve have flow characteristics three times better than globe valve,and about 75%
      of a same size gate valve
3. Multi-Function
    Butterfly valve can be used for on/off service and throttling,They are superior in Multi-function
    as compared to gate or globe valves.Butterfly valve can be widely used in chemical field due
    to trim options and choice of elastomeric liner.
4.Weight
    Butterfly valve have feature of light in weight and small in size,for example, weight and size of 
    a 10'' butterfly valve are 1/9 and 1/6 of a 10'' gate valve.So butterfly valve is easy to install and 
    save cost of piping system.
5.Bubble Tight
    Butterfly valve with resilient seat design can be bubble tight as compared to metal seated gate
    or globe valves.
6.Easy of operation
   Butterfly valve offer 90-degree open to close.
7. Butterfly valves is approximate 35-40% cost of a same size gate valve. Also low 
    installed cost than gate valve.
8.Maintenance
    Properly installed butterfly valves are self cleaning and are less susceptible to failure due to 
    trash material in pipe.
9.Delivery Time:25 days after order conformed.
10.Standard: EN,MSS,API,AWWA,BS
11.Operation: level operation & Gear operation
12.Body:cast iron,stainless steel 304/316,aluminum bronze
13.Painting:PTFE coating,nylon painting
14.Stem:CS,SS416,SS410,SS304,SS431
15.Seat:NBR,EPDM,PTFE
16.Pressure:PN10,PN16
17.Size:2''-48''
18.Packaging:export poly wooden cases, or as per customers' requirements
19.Payment:by L/C,T/T and D/P

Wafer Type Cast Ductile Iron Butterfly Valve
Wafer Type Cast Ductile Iron Butterfly Valve
Wafer Type Cast Ductile Iron Butterfly Valve
Technical Specification
Nominal Diameter DN40-DN1200 DN40-DN800 DN40-DN600
Nominal Pressure 1.0MPa 1.6MPa 2.0MPa
Test Pressure on Shell 1.5MPa 2.4MPa 3.0MPa
Test Pressure on Seal  1.1MPa 1.76MPa 2.2MPa





 
Service Temperature
1-NR -20°--85°
2-HYPALON -18°--135°
3-EPDM -30°--110°
4-NEOPRENE -7°--93°
5-NBR -12°--82°
6-WRR -10°--50°
7-VITON -23°--150°
8-HRR -20°--150°
9-PTFE 10°--150°











 
Outline and connection dimension
Nominal DN H1 H2 H3 L Φ1 Φ2 Φ3 Φ4 n-M n-Φd
mm inch ANSI B16.1 GB9119-88 ISO 2084 BS4504 DIN
50 2'' 76 162 32 45 12.7 57.15 120.65 125 125 125 125 88   4-Φ18/19
65 2 1/2'' 89 175 32 48 12.7 57.15 139.7 145 145 145 145 108   4-Φ18/19
80 3'' 95 181 32 49 12.7 57.15 152.4 160 160 160 160 118   4-Φ18/19
100 4'' 114 200 32 55 15.9 69.85 190.5 180 180 180 180 156   4-Φ18/19
125 5'' 127 213 32 58 19 69.85 215.9 210 210 210 210 181   4-Φ18/22.4
150 6'' 140 225 32 59 19 69.85 241.3 240 240 240 240 210   4-Φ22/22.4
200 8'' 177 260 45 64 22.2 88.9 298.45 295 295 295 295 260   4-Φ22/22.4
250 10'' 203 292 45 70 28.6 88.9 361.95 350/355 350/355 350/355 350/355 321   4-Φ22/25.4
300 12'' 242 337 45 80 31.7 107.95 431.8 400/410 400/410 400/410 400/410 384   4-Φ22/25.4
350 14'' 267 368 45 80 31.7 107.95 476.25 460/470 460/470 460/470 460/470 400   4-Φ22/28.4
400 16'' 298 400 51 90 33.34 158.75 539.75 515/525 515/525 515/525 515/525 465   4-Φ22/28.4
450 18'' 318 422 51 109 38 158.75 577.85 565/585 565/585 565/585 565/585 514   4-Φ26/31.8
500 20'' 349 479 64 135 41.15 158.75 635 620/650 620/650 620/650 620/650 559   4-Φ26/31.8
600 24'' 410 562 71 156 50.65 215.9 749.3 725/770 725/770 725/770 725/770 686   4-Φ30/35.1
700 28'' 520 624 72 169 55 254   840 840 840 840 795   4-Φ30 
800 32'' 591 672 83 195 55 254 977.9 950 950 950 950 900   4-Φ30/41.1
900 36'' 611 768 77 211 75 254/215.9 1086 1050 1050 1050 1050 1002   4-Φ33/28-Φ41 4-1/4-7
1000 40'' 664 823 85 229 85 254   1160 1160 1160 1160 1111   4-Φ36
1200 48'' 955 880 206 249 92 298   1380         4-M36 28-Φ39
1400 56'' 991 1015 226 390 105 298   1590           36-Φ42
1600 64'' 1116 1145 199 457 120 365   1820         4-M45 36-Φ48
Note:1. The numberator of  Φ3 item is 1.0Mpa,the denominator is 1.6Mpa.                
2. The denominator n-d item is GB9119-98,ISO2084,BS4504,1.0Mpa,it suitable DIN standard system.                 
The denominator is the dimention of ANSI B16.1                
3. The H2 dimensions may be changed into lengthened butterfly valve according to rquest of the user.                

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