News - Two kinds of casting and welded body structure

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Company Name:
Xiamen Freede Industry Co., Ltd.
Contact Person: Carlos Hu
Tel: 86-592-5237455
Mobile:
Fax: 86-592-3761979
Email: freede@sino-freede.com
Address:
Room 317,Wuhua Building, No.995 Anling Road,Huli District,Xiamen,China
WebSite:
http://www.yeskey.com/space/freede4493/
http://www.freedevalve.com

Home > News > Two kinds of casting and welded body structure

Two kinds of casting and welded body structure - 2014-02-21 10:39:49

There are two kinds of casting and welded body structure .

Seat with O- ring seal and a floating seat structure preload force , the valve seal bidirectional import and export ; opening and closing moments of the structure and common valves only 1 / 2 , can reach easily open and close the valve.

Metal-to- metal seal valves , valve grease injector external features , grease through grease , a seat into the valve sealing surface of the valve to achieve zero leakage.

Seat sealed surface mounted PTFE, PTFE has a double seal of metals and metal -to-metal , PTFE sealing surface dirt and clears the ram effect .

Gate , seat through a special process , spray carbide , wear PTFE, achieve double seal . Note secondary seal and grease dual protection , sealing more reliable and last longer.

Gate valve with diversion hole , either fully open or fully closed always coincide with the sealing surface of the sealing surface to be protected from scouring the media directly , thus prolonging life.

When the valve is fully opened, the channel is smooth and linear , flow resistance coefficient is extremely small , no pressure loss , can pass the ball clean wool pipeline .

The valve with self sealing capability packing structure, without frequent adjustment, opening and closing is extremely lightweight, and reliable sealing, stuffing box office with a seal oil into the structure, absolutely reliable sealing performance , truly achieve zero leakage ; solve common valve packing leak easiest ills .

Remove the valve closes automatically when the cavity pressure (see diagram ) , to ensure safe use.

Fully enclosed structure, good protective properties, can be adapted to all-weather requirements.

An indication rod valve or viewing window to indicate that the valve opening and closing the case .

Keywords:butterfly valve ,knife gate valve,ball valve,globe valve,slurry gate valve

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