Electric Actuator Wafer Butterfly Valve With Soft Seat

  • Product Model: D971X-10/16Q、D971X-10K 、D971X-150LB
  • Size: DN40-DN800
  • Nominal Pressure:PN10/PN16/Class 150/10K
  • Suitable Temperature: -20~120℃
  • Applicable Medium: Clear water, neutral liquid, weak acid and alkali, sea water, Oils, etc.
  • Body Materials: Ductile Iron
  • Application field: Municipal construction, water treatment, water supply and drainage, water conservancy projects, etc.
1、Design Standards
Design and Manufacture Standard: API 609
Face to Face:: API 609
Test Standard: API 598
Top Flange Connection Standard: ISO 5211
Flange Size Standard: ASME B16.5、ASME B16.47、DIN 2501
ASME B16.1、JIS B2220
2、Main Parts Materials
Body Materials: DI
Disc Materials: DI、CF8、CF8M、CF3、CF3M、1.4529、C594、C598
Seat Materials: EPDM、NBR、Viton
Stem Materials: SS416、SS420、SS304
3、Product Advantages
  • (1)All products can provide the pressure test: All CHAOJI products can provide the pressure test report before leaving the factory.
  • (2)High performance seat rubber: The rubber content is 50%, and the switch life is more than 30000 times
  • (3)Soft seat: Compared with the hard seat, the contact surface between pipes and flanges is more wider than hard seat, and sealing performance of installation is better, and the special flange of the butterfly valve is not required;
  • (4)Axial seal: The shaft is supported by 4 oil-free bearings, with o-ring and oil seal double seal structure design, smaller torque and reliable seal; The upper and lower shaft holes of DN350 and above large diameter valves are designed with packing box structure, and the packing is pressed by the gland to realize sealing.
  • (5)Surface coating: Epoxy powder coating is adopted, with strong adhesion and good weather resistance. It can be used indoors and outdoors.
  • (6)The design of shaft is blow-off resistant: The no-pin butterfly valve is designed with anti blow-off structure, and electric actuator can be changed under pressure.
  • (7)Because of No pin structure and soft back seat, CHAOJI products installation without any special equipment, easy to repair and replace parts.
4、Parameters

DN A D1 L1 L2 L3 B φD2 φD3 n-φd
1.5″ DN40 34 62.5 55.5 111.5 25 9 65 50 4-8
2″ DN50 43 80 72 132 25 9 65 50 4-8
2.5″ DN65 46 95 86 138 25 9 65 50 4-8
3″ DN80 46 113 96 153 25 9 65 50 4-8
4″ DN100 52 135 108 167 28 11 90 70 4-10
5″ DN125 56 163 125 184 28 14 90 70 4-10
6″ DN150 56 190 138 195 28 14 90 70 4-10
8″ DN200 60 244 170 236 33 17 125 102 4-12
10″ DN250 68 298 209 266 33 22 125 102 4-12
12″ DN300 78 350 236 305 33 22 125 102 4-12
14″ DN350 78 397 271 327 45 22 125 102 4-12

DN A D1 L1 L2 L3 φd φD2 φD3 n-φd1 N-b K
16″ DN400 85.5 456 320 403 52 33.15 175 140 4-18 1-10 36.2
18″ DN450 103 516 351 415 52 38 175 140 4-18 1-10 41
20″ DN500 125 556 386 466 64 41.15 175 140 4-18 1-12 44.2
24″ DN600 151 658 446 525 70 50.65 210 165 4-22 1-16 54.7
28″ DN700 164 771.5 520 618 95 63.35 300 254 8-18 2-18 71.4
32″ DN800 189 811 580 665 95 63.35 300 254 8-18 2-18 71.4

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