Desulfurization-Specific Butterfly Valve - 天津一標(biāo)閥門

Tianjin Yibiao valve manufacturing Co., Ltd.

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Desulfurization-Specific Butterfly Valve

A butterfly valve uses a disc that rotates with the valve stem as its closing member to achieve opening, closing, and regulation of the valve. In addition to serving as a shut-off and flow control device in pipelines, butterfly valves have gained market favor in recent years with sealing performance becoming a primary evaluation criterion.

Parameters

Specifications: DN40-DN800

Material: QT450

Brand: Tianjin Yibiao

Model: YBFM

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Product Details

I. Detailed Specifications of the Product [Sandwich-Type Desulfurization Butterfly Valve]:

Product Name: Wafer-Type Butterfly Valve for Desulfurization

Product Features:

Design and Manufacturing: GB12238

Structural Length: ISO5752-20 Series Specifications

Flange Connection Dimensions: HG20592-97

II. Purpose:

Seal Material Designator	Operating Temperature	Applicable medium
NR	≤85℃	Water, air, acids and alkalis
CR	≤85℃	Water, gas, acids and alkalis
NBR	≤100℃	Water, oil products
EPDM	≤120℃	Water, steam, common acids and alkalis
FKM	≤150℃	Water, steam, strong acids and alkalis

III. Materials:

Valve body	Cast iron, ductile iron, carbon steel, stainless steel
Butterfly plate	Cast iron, ductile iron, carbon steel, stainless steel, carbon steel fully coated with rubber or fluoroplastic
Valve stem	Nickel-phosphorus plated carbon steel, stainless steel
Valve Seat Seal	Natural Rubber NR, Chloroprene Rubber CR, Nitrile Rubber NBR, Ethylene Propylene Diene Monomer EPDM, Fluorocarbon Rubber FKM
Handle	Aluminum alloy, carbon steel