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E-mail:znzdvalve@gmail.com
Address：No. 1, Jinniu Road, Xingyang City, Henan Province, China
Flanged Expansion Butterfly Valve
Categories：
Triple Eccentric Butterfly Valve
Email: znzdvalve@gmail.com
It can be customized according to different needs.
Product Overview
Expansion flange butterfly valve and pipe expander two functions as a whole, can play a throttling role and can solve the temperature difference generated by the elimination of internal forces, that is, to play the role of expansion and contraction, the valve design novel structure is unique, small size, light weight. The valve has a novel design and unique structure, small size, light weight, lightweight, easy to operate and labor-saving, rapid opening and closing, sealing parts can be adjusted and replaced, reliable sealing performance, straight-through runner design, small flow resistance, energy saving, applicable temperature ≤ 80 ℃. Widely used in municipal water supply and drainage, industrial pipeline, electric power system, chemical system and other working conditions, with the function of compensating the thermal expansion and contraction of pipeline, can be customized according to different needs.
Main parts materials
| Part Name | makings |
| valve body | ductile iron GGG45, carbon steel |
| butterfly plate | ductile iron GGG45, carbon steel, stainless steel |
| spool | stainless steels |
| seals | nitrile rubber |
| packing material | Flexible graphite |
Technical parameters
Material: ductile cast iron, carbon steel
Size range: DN50mm~DN1400mm, larger sizes can be customized according to user requirements.
Pressure level: 1.0MPa~1.6MPa
Temperature range：-10℃~80℃
Applicable medium: clean water, sewage
Execution standard
Designed and manufactured:
GB/T 12238-2008
EN 593-1:2002
API 609
Flange connection:
GB/T 9124
EN 1092-1:2001
ANSI B16.5
Structure length:
GB/T 12221-2005
EN 593-1:2002
Pressure test:
gb/t 13927-2022
EN 12266-1:2004
API 598
Key words:
Triple Eccentric Butterfly Valve
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