Home> Products> Electric/Pneumatic Control Valves> Triple Offset Wafer Electric Butterfly Valve
Triple Offset Wafer Electric Butterfly Valve
Triple Offset Wafer Electric Butterfly Valve
Triple Offset Wafer Electric Butterfly Valve

Triple Offset Wafer Electric Butterfly Valve

Payment Type:L/C,T/T,D/P,Paypal

Incoterm:FOB,CFR,CIF,FCA,CPT

Min. Order:14 Bag/Bags

Transportation:Ocean

Port:NINGBO

Product Description
Product Attributes

Model No.FLV221

BrandRMI

Warranty Period3 Years

Types OfButterfly Valves

Support CustomizationOem

Place Of OriginChina

ApplicationGeneral

Medium TemperatureNormal Temperature

PowerHydraulic

Flow MediumWater, Oil, Acid

StructureButterfly

Driving ModeElectrical

Connection FormWafer

StructureCentre Sealing

Seal FormForce Sealed

Valve StemNormal

Work PressureLow Pressure (Pn<1.6mpa)

Working TemperatureNormal Temperature (-40°C

Material Of Seal SurfaceSoft Sealed

Valve BodySheet Metal

ApplicationIndustrial Usage

Supply Ability & Additional Information

PackagingWooden box

Productivity100000

TransportationOcean

Place of OriginCHINA

Supply Ability1000/MOUNTH

CertificateISO

HS Code8481804090

PortNINGBO

Payment TypeL/C,T/T,D/P,Paypal

IncotermFOB,CFR,CIF,FCA,CPT

Packaging & Delivery
Selling Units:
Bag/Bags
Package Type:
Wooden box



Triple offset wafer Electric Butterfly Valve is a long life, energy-saving electric BUTTERFLY VALVE. Butterfly Valve structure triple offset butterfly valve adopts three-dimensional eccentric principle design, the seat is hard and soft seal compatible multi-level structure, processing is superb, technology is progressive. Butterfly valve is electric butterfly valve product consists of valve body, disc, multi-level valve seat, stem, transmission mechanism, etc. Butterfly valve is Wafer Butterfly Valve is widely used in the metallurgical, electric, petroleum, chemical, air, gas, combustible gas, water supply and drainage and other corrosive medium pipeline with temperature ≤500℃. It is the best device to adjust the flow and cut off the fluid.

Triple Offset Wafer Electric Butterfly Valve
Features as below:
1. Butterfly valve is open torque is small, flexible and convenient, energy saving.
2.  Butterfly valve is three-dimensional eccentric structure, so that the disc closes more and more tight, the sealing performance is reliable, zero leakage.


Specification

Butterfly valve is high pressure resistance, corrosion resistance, wear resistance,with long service life.
This triple offset butterfly valve is designed with a three-dimensional eccentric principle, so that the sealing surface space motion trail achieves idealized. Sealing surface is without between friction and interference, coupled with the proper choice of sealing material, which ensures butterfly valve sealing, corrosion resistance, high temperature resistance and wear resistance, etc.

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Parameter
Nominal Diameter
DN50-DN2000
Nominal Pressure
PN0.6MPa~4.0 Mpa
Design Standard
GB/T12238-1989
Flange Standard
GB, JB, ANSI, etc
Face to Face
GB/T12221-2005
Pressure Testing
GB/T13927-1992; JB/T9092-1999
Medium
Air, Water, Sewage, Steam, Gas, Oil, etc.

Material


Parts Name
Material
Valve Body
Gray cast iron, Ductile iron, Cast steel, Alloy steel, Stainless steel
Disc
Gray cast iron, Ductile iron, Cast steel, Stainless steel, Special material
Stem
45#, 2Cr13, Stainless steel, Chrome-molybdenum steel
Sealing Ring
Combined With Stainless steel
Bearing
Austenitic stainless steel, 304 nitride
Packing 
Flexible graphite



Structure



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Dimension  (Connection Size mm)

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Triple Offset Features and Principle:
1. Butterfly valve is deviate from pipeline center.
2. Butterfly valve is deviate from sealing surface center.
3. Butterfly valve is inclined cone when valve is opening, disc and valve seat contacted each other at moment of valve is closed. Because of eccentric 1#, eccentric 2#, disc can separate quickly form the valve seat, reduced abrasion of sealing surfaces, friction torque is small, easy to open. Because of eccentric cone 3#, when the valve is opening or closing, disc can go through the valve seal inner channel, achieve contact sealing.
4. Butterfly valve is rotation radius of the conical disc is bigger than the rotation radius of the sealing surfaces contacted position, so the disc will close more and more tight when valve is closing, to achieve self-locking, to prevent the disc from over positi
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