China Hot selling China CZPT with Parameter Big Diameter 88 Inch Electric Flange Ductile Iron Butterfly Valve with Good quality

Merchandise Description


Item Description

china manufacture with parameter  big diameter 88 inch electric flange ductile iron butterfly valve 

Double eccentric butterfly valve is exclusive structural design

Design and style of eccentric structure, the butterfly valve seat and the valve plate outer contour unique, efficiently reduce functioning torque, even though decreasing and the valve seat contact, boost sealing dependability. No mechanical interior DB sort butterfly valve (fasteners) connection, no mechanical link failure may possibly, substantial dependability, the eccentric butterfly valve can adapt to the harsh operating conditions. Filling epoxy resin approach helps make the valve plate and valve seat the get in touch with area with the exact same amount of interference, the elimination of machining and assembly errors, in contrast to the force evenly, decrease running torque, lessen the abrasion of the sealing surface. DC kind butterfly valve type N stainless metal ring is inlaid on the valve entire body, lengthy can stop corrosion, and can avoid the velocity of stream instability triggered by the vibration and fastening the ensuing elements loosening and shedding brought on by the valve failure.     

Sealing layout

the eccentric butterfly valve use of substantial-good quality stainless steel stem, is entirely coated by the O ring and the bearing, corrosion resistance. Self lubricating bearings, sleeve kind shaft seat valve utilised on the valve stem to stem bearing assistance, from the rotary friction bare minimum.

  TWT valve organization is the birthplace of china’s initial butterfly valve 


Product Parameters


Nominal Diameter: DN100-DN4000

Nominal Force: 10Bar,16Bar,25Bar,Class a hundred twenty five,Class 150

Style Regular:  API609,AWWA C504,DIN3354,BS5155,EN593

Confront To Encounter:  API609,ASME B16.10,DIN3202,EN558-1,ISO5752

Flange Link: ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.forty seven CL150/AWWA C207/

                             DIN 2501 PN10-sixteen-twenty five/EN1092 PN10-16-twenty five

Inspection and Test:    EN12266-1/API 598/ISO5208

Best flange: ISO5211

Substance listing:

  1. Physique: Ductile Iron:   ASTM A536 sixty-forty-eighteen/ DIN1693 GGG40,GGG550
  2. Disc:   Ductile Iron:    ASTM A536 sixty-40-18/ DIN1693 GGG40,GGG50
  3. Shaft: Stainless Steel:    ASTM A182 304/316/420/ Duplex Metal

 Other description

  • Installation  without restriction in direction of circulation.
    Reduced  weight and general proportions.
    Low strain decline and reduced power expenses.
    Substantial Kv / Cv values.
    Effortless to cleanse and disinfect for potable water methods and so forth.
    Self cleansing ( no residue will be trapped ).
    Great resistance to corrosion.
    Manul , electric powered actuator , pneumatic actuator , hydraulic actuator , bare shaft is optional
    Wate , drinking water , transportable water , Oil , sea h2o , gas are all obtainable functioning service.

The double eccentric butterfly valve On-site set up and use

From 1985 the largest DN2000 flanged butterfly valve butterfly valve flange to DN2600 1996 HangZhou Xihu (West Lake) Dis.shen drinking water provide, to the 2008 ZheJiang Qingcaosha DN3600 two-way sealing butterfly valve flange is place into use, our factory often is a big undertaking of massive equipment production and production base.


Principal Supplies

No Part  Material No Part  Material
1 Entire body  Ductile iron A536, GGG40,GGG50,WCB,SS304,SS316,C95800,Duplex steel  two Disc Ductile iron A536, GGG40,GGG50,WCB,SS304,SS316,C95800,Duplex steel 
3 Up/ Down Shaft Stainless Metal four Disc Sealing Ring EPDM, NBR
5 Physique Sealing Ring EPDM, NBR 6 Taper pin Stainless Metal
seven Up/ Down Shaft sealing Ring NBR eight Up/Down Bushing Stainless metal
nine Disc Sealing Steel Ring SS316 10 Crucial Metal
eleven Packing SS304 12 Yoke Ductile iron


Nominal Diameter DN one hundred-3600 100-3600 mm
Nominal Stress PN one. one.6 Mpa
Test Pressure  Shell 1.five two.four Mpa
Sealing one.1 one.76 Mpa
Working Temperature  -10-one hundred twenty ºC

Detailed Pictures



Firm Profile




Our Advantages

More than sixty a long time of valve generation encounter
with innovative processing equipment
big tests laboratories
and enough raw content reserves



Q1.Regardless of whether it is a factory?
A:yes we are manufacturing unit have more than 60 several years valve creation expertise
Q2.Can i have any personal personalized product?
A:sure you are tailored demands for regular,dimensions,color,packing,nameplate,mark,and many others
Q3.Do you supply samples?
A:sure we can supply the samples but do not shell out the demand of freight
This fall.What is your phrases of payment?
A:30% in CZPT 70% harmony ahead of shipment  
Q5.Is there any tests gear
A:Indeed, we have force tests tools, and big-scale laboratories and non-destructive testing equipment 


There are several kinds of gears, and the most typical classification approach is by gear shaft. Generally, there are 3 kinds of the parallel axis, cross-axis, and staggered axis. 1) Parallel shaft gears: like spur gears, helical gears, inner gears, racks, and helical racks, etc. 2) Cross shaft gears: straight bevel gears, spiral bevel gears, zero-degree bevel gears, and many others. 3) Staggered shaft gears: There are staggered shaft helical gears, worm gears, hypoid gears, and so on.
A rack is a portion of a cylindrical disk with an infinite radius, the area of which is cut with involute tooth. The racks are especially mated to spur gears with the same module, force angle, and chosen experience width. EP gives racks in a assortment of supplies, configurations, modules, and lengths. A unique characteristic of our racks is that most of them come with finished merchandise. This sort of manufacturing enables multiple racks to be connected stop to finish to create a steady size of racks. Numerous of our choices permit for secondary functions these kinds of as shortening lengths, incorporating threaded holes, or making use of warmth treatment method. Our products also consist of products that have concluded some of these secondary functions.

China Hot selling China CZPT with Parameter Big Diameter 88 Inch Electric Flange Ductile Iron Butterfly Valve     with Good quality