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Productlist
Api valve
Ball valve
Floating Ball Valve
Trunnion Mounted Ball Valve
Forged steel flange ball valve
3 pcs high pressure Female threaded
3pcs high pressure forged ball valv
High pressure forged socket welded
Pneumatic ball valve
Electric ball valve
Aluminum bronze ball valve
2pcs female threaded ball valve
3pcs flange ball valve
Female threaded and socket welded v
Metal seat ball valve
High platform flange ball valve
Internal thread Union Ball valve
Double ball valve
APIstainless steel reduced diameter
2pcs api forged ball valve
Check valve
Wafer type lift check valve
Wafer type double disc check valve
Wafer type Single plate swing check
Wafer flange check valve
Wafer Lug check valve
Wafer ultrathin check valve
Aluminum bronze on the clamp lug ty
Double phase stainless steel check
Silencing check valve
Axial flow type check valve
Wafer inclined flap check valve
API high Large diameter wafer type
The flange disc check valve
GB flange check valve
Gate valve
Handle gate valve
Electric gate valve
Pneumatic gate valve
Hydraulic gate valve
Butterfly valve
the three eccentric hard seal butte
Three eccentric butterfly valve fla
Pneumatic butterfly valve
Electric butterfly valve
Telescopic butterfly valve
Ventilating butterfly valve
Globe valve
Handle globe valve
Electric globe valve
Pneumatic globe valve
Pipe series
Flange series
  • 1
  • 2
  • 3
  • 4
PRODUCTS SHOW
GB cast steel / stainless steel D643/D673 three eccentric type pneumatic butterfly valve
Model:D643/D673

Main performance specification

Applicable temperature

Applicable medium

Natural rubber is ≤ 85 ℃

The gypsum slurry, limestone, recycling water, process water, waste water

Three yuan of ethylene-propylene rubber≤ 100 ℃

Materials for main parts

Name

Material science

Valve body

Grey cast iron, ductile iron, carbon steel

Butterfly plate

Carbon steel coated carbon steel coated with rubber, fluorine plastic, stainless steel double phase stainless steel plate 1.4529, C276

Valve seat

Natural rubber, ethylene-propylene rubber three

Valve stem

Stainless steel,304,2Cr13

Pneumatic device

Tianjin two

Main external and connecting dimensions (mm)

Nominal diameter

(DN)
L D D1 Z-Ф A B H H1 weight(kg)
40 33 150 110 4-18 127 60 214 60 6
50 43 165 125 4-18 127 60 234 64 7
65 46 185 145 4-18 133 70 273 80 10
80 46 200 160 8-18 133 83 293 90 11
100 52 220 180 8-18 203 100 327 102 16
125 56 250 210 8-18 222 120 376 112 22
150 56 285 240 8-22 294 120 386 132 24
200 60 340 295 8-22 337 172 483 160 45
250 68 395 350 12-22 380 172 510 206 57
300 78 445 400 12-22 420 224 612 232 90
350 78 505 460 16-22 450 224 643 263 103
400 102 565 515 16-26 603 272 732 295 177
450 114 615 565 20-26 603 272 754 327 193
500 127 670 620 20-26 683 272 812 358 343
600 154 780 725 20-30 683 360 952 474 380

Using standard

Design and manufacture of: GB12238structure length: GB12221(series 20): GB/T17241.6PN1.0MPa flange

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