Sell BS5155 full-lined butterfly valve

Description

Standard and Specification
1. Design standard conform to: BS ***5
2. Connection flange conform to: EN*****2, BS***4,BS *0 Table D,BS *0 Table E,  
3. Top flange conform to: ISO ***1
4. Face to face conform to: EN ****1 *0 Series, BS***5  Wafer-Short Type
5. Test standard conform to: EN******1
Performance Specification：
    Nominal Diameter：DN*0～***0
             NPS:1 1/2～**0
    Test Pressure（Water）Ps（MPa）
        Body Test：1.5 Times Rated Pressure
        Seat Test：1.1 Times Rated Pressure
    Working Temperature: **9℃～***0℃（Special Working Temperature:**7℃）
Design Features:
1. Integrated long-neck body makes easy the pipeline insulation, and installing actuating device.
2. Specially finished disc sealing surface, minimizes operating torque, improves long service life 
   of seat and reach the air-tight sealing; Hollow disc design, withstands high pressure,with  light 
   weight and low flow resistance. 
3. The outer edge of seat rubber exceeds body ends, functioning as flange gasket.
4. Through-out bolt or one-side bolt used for flanged type butterfly valve, easy replacement and 
    pipeline maintenance.
5. Shaft and disc connected without pin to achieve best match and opening torque transmission,    
    reducing leakage points. 
6. Manual, electic and peneumatic actuator are available.
7. The products are certified: API**9, UL/FM, NSF, ACS.