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Home > Products > Butterfly Valve > Rubber Lined Flange Butterfly Valve > Double Offset Butterfly Valve

Double Offset Butterfly Valve

Payment Type:
L/C,T/T
Incoterm:
FOB,CFR,CIF,EXW,FCA
Min. Order:
1
Transportation:
Ocean,Air
Port:
Shanghai,Ningbo
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  • Product Description
Overview
Product Attributes

Model No.D541Y

Driving ModeManual

Connection FormFlange

StructureDouble-Eccentric Sealing

Seal FormForce Sealed

Valve StemNormal

Work PressureHigh Pressure (10.0mpa< Pn <80.0mpa)

Working TemperatureHigh Temperature (T>450°C)

Material of Seal SurfaceMetal Hard Sealed

Valve BodyCasting

ApplicationIndustrial Usage

Pressure150lb-2500lb

MaterialCS,SS,Alloy Steel Etc.

OperationWorm Gear,Actuator,Lever

Supply Ability & Additional Informations

PackagingPlywood cases

TransportationOcean,Air

HS Code8481804090

PortShanghai,Ningbo

Payment TypeL/C,T/T

IncotermFOB,CFR,CIF,EXW,FCA

Packaging & Delivery
Package Type:
Plywood cases

The high-performance Double Offset Butterfly Valve, used in slightly higher-pressure systems, is offset from the centre line of the disc seat and body seal (offset one), and the centre line of the bore (offset two). This creates a cam action during operation to lift the seat out of the seal resulting in less friction than is created in the zero offset design and decreases its tendency to wear. Butterfly Valve is similar to that of a Ball Valve, which allows for quick shut off. Butterfly valves are generally favored because they cost less than other valve design, and are lighter weight so they need less support. The disc is positioned in the center of the pipe. A rod passes through the disc to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, so it induces a pressure drop, even when open.FLange Double Offset Hard Seal Butterfly Valve

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Product Categories : Butterfly Valve > Rubber Lined Flange Butterfly Valve

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