Zhengzhou butterfly valve, Zhengzhou manual butterfly valve Henan Zui large valve wholesale base

Overview:
Worm gear soft seal center line wafer type butterfly valve, double eccentric flange type butterfly valve with compact structure, easy 90° rotary switch, reliable sealing and long service life, widely used in water plants, power plants, steel mills, paper making, chemical industry, food and other systems. In the supply and drainage, used as adjustment and cut-off.

Features:

1. The valve adopts a double eccentric structure, and has a tighter sealing function, and the sealing performance is reliable.
2. The sealing material is matched with stainless steel and nitrile oil resistant rubber for long service life.
3. The rubber sealing ring can be located on the valve body or on the butterfly board, and can be used for different characteristics of the medium for the user to choose.
4. The butterfly plate adopts a frame structure with high strength, large flow area and small flow resistance.
5. The overall paint can effectively prevent rust and can be used for different media as long as the sealing seat seal material is replaced.
6. The valve has a two-way sealing function, is not subject to the control of the flow direction of the medium during installation, and is not affected by the position of the space, and can be installed in any direction.
7. The valve has a unique structure, flexible operation, labor saving and convenience.

The main technical parameters:

Note: Seal material: natural rubber (NR) -20~+85°C
Ethylene propylene rubber (EPDM) -40~+125°C
Nitrile rubber (NBR) -20~+82°C
Silicone rubber (SI)-70~+150°C
Fluororubber (VITON) -23~+150°C
Neoprene (CR) 0~+80°C
Butyl rubber (IIR) -40~+100°C
Polytetrafluoroethylene (PTFE) +10~+150°C

Main shape connection size: Unit: mm