Head Screw,Hex Bolt,Blind Rivet Co., Ltd. , http://www.ejs-screw.com
1. DN50-1200
2. PN 10/16, ANSI125/150
3. GG25/GGG40/SS body
4. DNV,LR certification
Brief introduction of wafer type spline butterfly valve
1. Wafer type spline butterfly valve, designed to comply with MSS-SP-67, BS5155, and API609. Compatible with GB, DIN, BS, ANSI flanges.
2. Face to face according to ISO 5752.
3. Characteristic of wafer type spline butterfly valve is to splice the rubber liner on the body, the strength more highly and the seal more reliably for the seat.
4. The spline is between the shaft and disc.
5. Available with handles, manual gear operators, and electric or pneumatic actuators.
Materials list
Item
Part name
                     Materials
1
Clamping ring
    Zine plated steel / Stainless steel
2
O-Ring
    EPDM / NBR / Neoprene / Viton
3
Bushing
    PTFE / Lubricated bronze
4
Stem
    Zine plated steel / Stainless steel
5
Body
    Cast iron / Ductile iron / Stainless steel
6
Disc
    Ductile iron(nickel plated) / Stainless steel / AL-Bronze
7
Seat
    EPDM / NBR / Neoprene / Viton
Lug Type Butterfly Valve with Gear Box for Marine
Model NO.: F6421
Work Pressure: Low Pressure (Pn<1.6mpa)
Material of Seal Surface: Soft Sealed
Valve Body: Casting
Standard: JIS,DIN
Application: Industrial Usage, Marine
Temperature of Media: Medium Temperature
Pressure: Medium Pressure
Trademark: OEM
Transport Package: Wooden Case or as Per Client′s Requirement
Origin: Shandong, China
Wafer type spline butterfly valve