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Keystone Butterfly valve F990

Hong Kong

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-

-

1 Piece

packed in box

4-6 weeks

100 Piece per Month

T/T

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Specifications
 
Keystone Butterfly Valve F990 Butterfly valve has a split, wafertype body, feature a piece disc stem and field replaceable seat. 
 
 

Keystone is a recognized world leader in butterfly valves and industrial process valves. Originally designing, patenting and introducing the Butterfly Valve in 1951, Keystone developed a strong reputation for reliability, quality and service. These attributes have been nurtured by Tyco and have stayed with the brand as the portfolio was increased to include the Keystone pneumatic and electric actuators and controls which give our valve packages seamless compatibility and the owners a single point of contact for package responsibility. Also carrying the Keystone name we designed and produce a range of knife gate valves and ball valves. These products offer the customer the same solid performance and low cost of ownership as our market leading butterfly valve range.

Keystone F990 T620 Butterfly Valve Size: 2" 2.5"3" 4" 5" 6" 8" 10" 12" 14"
 
General Application
The gigure 990-102/003 is the ideal valve for use in the food and beverage industries.  The figure 990-007 is PTFE lined for use in semi-aggressive chemical industries.  Max pressure 7 bar. The gidure 990-002 is rubber lined for use in the process industries.  Max pressure 7 bar. 
 
Features
* Factory testing of eveery valve at full rating ensures 100% bubble-tight shut-off
* standardized actuator flange for easy operator interchangeability and mount direct to keystone range of actuators.
* one-piece wafer -thin disc-stem provides high strength and absolutely positive disc control and gives the very minimum obstruction in flow.  is crevice free surface makes it ideal for hygienic duty.
* Primary seat formed  by the seat/shaft/hub contact exceeds the pressure rating of the valve.  Body is totally isolated from the flowing medium.
*Secondary shaft seal is suitable for pressure and vacuum is self adjusting.
*Patented dove-tail seat requires no bonding.  Makes seat replacement simple and fast. Extra heavy edge section resists tearing
*Hub seal is provided by preloaded contact between flatted seat surface and rounded polished disc-hub area for positive sealing at all disc positions.
*Molded -in O-ring provides positive flange seating and eliminates the need for gaskets.
*Heavy duty top bushing absorbs side thrust loads. Self-adjsuting seating for both directions is also suitable for vacuum.
 

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الشركة:Honest Ind. Co. Ltd.

عنوان:Wang Lung Street, Hong Kong, Hong Kong,n/a

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