Worm Gear Box Operated Wafer Type Soft Seal Center Sealing Butterfly Valve

Worm Gear Box Operated Wafer Type Soft Seal Center Sealing Butterfly Valve

Delicate sealing butterfly valve is utilised for connecting medium or modifying the movement price in the pipelines,the temperature of medium can be one hundred twenty diploma celsius,the working strain can be 1.6 Mpa.It’s commonly applied in foods,drugs,chemical,petroleum,electrical power,metallurgy,urban building,textile,papermaking.,and many others industrial sectors.
Principal Characteristics.

  1. New layout,exclusive framework,gentle excess weight,swift to open up or shut.
  2. Little functioning torque,easy working,saving hard work.
  3. Can be mounted anyplace,simple routine maintenance.
  4. CZPT portion is replacable,reputable sealing,zero leakage.
  5. CZPT content is age-resistant and anti-corrosive,tremendously prolong the services lifestyle.

Principal CZPT Parameters.

Nominal diameter DN fifty-1200
Nominal pressure PN .6 one. one.6
Take a look at stress Shell test .9 1.five 2.four
Seal test .66 one.1 one.76
Medium New drinking water,sewage,sea h2o,air,steam,foodstuff,drug,various oil,acid,alkali,salt.,and so on.

Primary Parts and CZPT.

Element Title Part Substance
Body Ductile iron,solid metal,alloy steel,stainless metal.
Disc Grey solid iron,ductil iron,solid steel,stainless metal and other people.
Seat ring NBR,EPDM,PTFE and others
Stem Cr13,stainless steel
Packing CZPT or other people.

 Main Extenal Proportions.


Class DN L d Do n-M H H1 H2
150LB fifty 43 fifty two.nine a hundred and twenty.seven 4-5/8 UNC 210 161 80
65 46 64.five 139.7 four-5/eight UNC 225 one hundred seventy five 89
80 forty six seventy eight.eight 152.4 4-five/8 UNC 235 181 95
a hundred fifty two 104 a hundred ninety.five 8-5/8 UNC 250 200 114
one hundred twenty five fifty six 123.3 215.nine 8-3/four UNC 265 213 127
150 fifty six one hundred fifty five.6 214.3 eight-three/four UNC 276 226 139
200 60 202.five 298.5 8-three/four UNC 320 260 one hundred seventy five
250 sixty eight 250.5 362 twelve-seven/8 UNC 355 292 203
three hundred seventy eight 301.6 431.eight twelve-7/8 UNC four hundred 337 242

Worm Gear Box Operated Wafer Type Soft Seal Center Sealing Butterfly Valve