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Triple Eccentric Metal Seated Butterfly Valves

Main Technical Data:

Nominal diameter: DN50~4000mm 2″~160″inch
Pressure rating: PN 6/10/16/25
Working temperature: carbon steel -29℃~425℃, stainless steel -40℃~600℃
Connection standard: ANSI, DIN, API, ISO, BS, GB
Actuator: manual, gear operator, pneumatic, electric actuator
Installation: horizontal, vertical
Medium: water, air, steam, coal gas, oil, low corrosive fluids etc.


Product Detail

Product Tags

Features
▪ Triple eccentric metal seated type.
▪ Streamlined Disc Design
▪ Complete metal sealing for long time use.
▪ Self compensation of sealing pair under low or high working temperature.
▪ No friction between valve seat and disc with 3D eccentric structure.
▪ Easy for open and close.
▪ Resistance for high temperature, low temperature and corrosion.
▪ Widely used in kinds of working conditions and mediums.
▪ Unique synchronous display mechanism for the horizontal installed underground butterfly valve.

▪ Test pressure:
Shell Test Pressure 1.5 x PN
Seal Test Pressure 1.1 x PN

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Material Specifications

Part Material
Body Cast steel, Ductile iron, Stainless steel, Chrome molybdenum steel, Alloy steel, Duplex stainless steel
Disc Cast steel, Ductile iron, Stainless steel, Chrome molybdenum steel, Alloy steel, Duplex stainless steel
Stem 2Cr13, 1Cr13 Stainless steel, Cr-Mo. steel, Duplex stainless steel
Seat Stainless steel, Cr-Mo. steel, Duplex stainless steel
Sealing Ring Stainless steel and high temperature resistant asbestos board combined into multi-layers
Packing Flexible graphite, PTFE

Schematic

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Precision - Good Fit of Precision Parts
The workshop is equipped with many CNC lathes, machining centers, gantry processing centers and other intelligent equipment. It not only greatly improves labor productivity and reduces manufacturing cost, but also has the following characteristics:
▪ A high degree of repeatability and consistency product quality, a very very low unqualified rate.
▪ The products have high precision. All kinds of high-precision guidance, positioning, feeding, adjustment, detection, vision systems or components are adopted on the machine, which can ensure the high precision of product assembly and production.

High-precision components ensure that the assembled valves have good sealing performance. It greatly improves the product quality and appearance.

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Ordering Information
▪ Different working temperature for option, please specify.
▪ Common type and explosion-proof type for triple offset metal seated butterfly valves with electric actuator.
▪ Please specify if need bi-directional synchronous display for gear operator butterfly valves.
▪ Other required specifications are available, please specify if any.

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Application
▪ Cut-off valve, air cut-off valve or smoke valve in the hot blast stove system.
▪ Gas cut-off valve in the heat exchanger system.
▪ Air duct valve in the blast furnace blower outlet .
▪ Industrial furnace hot air system and gas cutting system.
▪ Coke oven gas pipeline system.

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Notes
▪ Designs, materials and specifications shown are subject to change without notice due to the continuous development of the products.


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