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Dd943H Triple Eccentric Multi-layer Metal Seal Motorized Flanged Butterfly Valve

Dd943H Triple Eccentric Multi-layer Metal Seal Motorized Flanged Butterfly Valve

Dd943H Triple Eccentric Multi-layer Metal Seal Motorized Flanged Butterfly Valve
CategoriesButterfly valve
BrandGARLOS
ModelDd943H
Nominal DiameterDN50-2000
Nominal Pressure0.6-4.0MPa
Design StandardGB/T12238-1989
Structure LengthGB/T12221-2005
Pressure TestGB/T13927-1992, JB/T9092-1999
Suitable MediumAir, water, sewage, steam, gas, oil and so on
Update TimeNov 29,2024
Detail Information

Summary

Triple eccentric multi-level metal seal butterfly valve series products are long service life, energy-saving butterfly valve. Its adopts triple eccentric structure design, seat is built with hard and soft seal compatible multi-level structure, with advanced processing skills and technology. This product consists of valve body, disc, multi-layer valve seat, stem, transmission and other major components. So it is widely used in the metallurgical, electric, petroleum, chemical, air, gas, combustible gas and corrosive medium pipeline with temperature higher at 550 ℃. It is the best device to adjust the flow and cut off the fluid.

This butterfly valve is a triple eccentric designed one, the sealing surface space trajectory achieves idealized, Sealing surface without friction between each other, no interference. With choice of  proper sealing material, the butterfly valve sealing,
corrosion resistance, high temperature resistance and wear resistance are reliable.

Its main features are as follows:
1, open torque is small.
2, triple eccentric structure, so that the disc will close more and more tightly, its sealing performance is reliable, without leakage.
3, high pressure resistance, corrosion resistance, wear resistance, long life and so on.


Parameters

Nominal Diameter

DN50-2000

Nominal Pressure

PN0.6MPa-4.0MPa

Design Standard

GB/T12238-1989

Structure Length

GB/T12221-2005

Pressure Test Standard

GB/T13927-1992, GB/T9092-1999

Suitable Medium

Air, water, sewage, steam, gas, oil and so on

Actuator

Manual,worm gear,pneumatic,electric



Material


Name

Material

Body

Cast steel, stainless steel, chromium-molybdenum steel, alloy steel

Disc

Cast steel, stainless steel, chromium-molybdenum steel, alloy steel

Seal Ring

Stainless steel and high temperature resistant asbestos board

Stem

45# steel, 2Cr13, 1Cr13, chromium-molybdenum steel

Bearing

Austenitic stainless steel,

Packing

Graphite, asbestos rope, flexible graphite


Triple Eccentric 



Dimension



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