Verified Company
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Manual Flange Expansion Butterfly Valve
Telescopic Butterfly Valve consists of expansion piece and flanged butterfly valve. It has both functions of two parts.Can eliminate thermal stress in pipelines.Easy assemble,especially displace the valve in old pipeline.
Use
The series butterfly valve used midline structure design,the valve from the valve body structure,butterfly plates,valve Cuo,steam and drive components,and other components,according to different media and the physical and chemical characteristics of media,and to use the corresponding corrosion resistance,lightfastness,and anti-aging materials can be widely used in water supply and drainage,air conditioning,oil,chemicals,food,medicine,energy systems,and other fluid pipeline,as a regulator and the closure devices.
Features of Telescopic valve:
1.Unique structure, design flexibility, light,labour-saving,open and shut rapidly.
2.Telescopic butterfly valve can not only compensate temperature reduction resulting from thermal expansion and contraction pipe,but also be more convenient when install and maintain.
3.Sealing parts can be replaced, reliable sealing performance.
Installation attation
1.The entocoal miscellany must be cleaned before installation.
2.The butterfly valve can compand in determinate scope.we must loosen seal gland on the compand postion,then the length is proper,lock up the seal gland.
Main parts of materials:
Name of parts | Name of materials |
body | iron cast,nodular cast iron,cast steel,stainless steel |
plate | iron cast,nodular cast iron,cast steel,stainless steel |
steam | 2Cr13,stainless steel lining |
Seal ring | Abrasive , buna-nrubber |
Filling | buna-nrubber V type cushion , Expanded graphite |
Our company specialize in manufacturing butterfly valve,a variety of valves, flanges, threaded pipe fitting, punched elbows, groove fittings and pipe fittings for more than sixteen years. Being highly appreciated by users.
Our products have many series, we can do any kinds according to customer’s requirement, can do different standards, such as ISO,GB,DIN,API,BS,JIS. Customers can buy or wholesale different items at one time by combine goods together.We can design the products accprding to your special request.OEM is welcome too.