天津瑞蝶恒昌阀门有限公司

product introduction and characteristics

the butterfly valve should be used for open, close and

regulating medium flow in pipeline and container of petroleum,

chemical, medicine, metallurgy, can also be specially used in a

variety of corrosive medium, the following features:

1.   corrosion resistant, high temperature resistant

2.   flow characteristics tend to be straight, good regulation

   performance

3.   select of different materials, suitable for corrosive medium

4.   simple and compact structure, compact and light, easy to

   transport, install and disassemble

designed as standard : gb/t12238-2008；awwa c504

face to face as standrad :gb/t12221-2005-j1；api609

flange as standard : gb/t17241.6;din26322633;bs4504

                    jis-b2220;asme_b16.5(class150)

test as standard :gb/t13927-2008; bs en 12266-1 12266-2

product design features

1.   seat and body are split design for easy maintenance and replacement.

2.   the valve body is designed to be open and the axial seal is safer

3.   it adopts an anti-exit structure for valve stem, spring +u type card

   structure are used in the upper part of the stem, which can not only

   compensate for installation errors, but also prevent the stem from

   loosening.

4.   valve plate and seat seal are of ball design, more reliable sealing

5.   design elastic mechanism at seat end to compensate sealing effect of

   seat and valve plate