Stainless Steel Lug High Performance Butterfly Valves

Stainless Steel Lug High Performance Butterfly Valves

Lug high performance butterfly valve provides a cost-effective solution for a wide range of applications where bubble-tight shut-off is required. Utilizing an eccentric disc and offset shaft, the design incorporates the flexible-lip sealing system into a lightweight, compact body. The result is that in many cases the valve can replace globe valve and gate valve yet easier operating, longer lasting and lower cost.

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Specification of this Stainless Steel Lug High Performance Butterfly Valves
Lug high performance butterfly valve provides a cost-effective solution for a wide range of applications where bubble-tight shut-off is required. Utilizing an eccentric disc and offset shaft, the design incorporates the flexible-lip sealing system into a lightweight, compact body. The result is that in many cases the valve can replace globe valve and gate valve yet easier operating, longer lasting and lower cost.
Significant performance makes the valve widely used in many applications such as Airport refueling, Hydrocarbon processing, HVAC, Air treatment, Chemical processing, Purified gas, Steam and vacuum services, Potable water, Powder and pulp processing, etc.
Lug design makes the valve convenient for connection between flanges and well used in end of pipe. 
Parameters of this Stainless Steel Lug High Performance Butterfly Valves
Connection: Lug
Size: 3″-24″
Pressure: Class150,Class300
Flange standard: ASME B16.5 Class150,Class300; EN1092 PN16, PN25, PN40
Face to face: API 609 Category B valve Wafer
Pressure test: API 598
Temperature: PTFE seat -29°C to +200°C,metal seat -29°C to +400°C
Operator: Lever,Gear box,Pneumatic actuator,Electric actuator 
Pictures of this Stainless Steel Lug High Performance Butterfly Valves

  

Product advantage of this Stainless Steel Lug High Performance Butterfly Valves
1. One-piece stem design with ISO 5211 square drive
2. ISO 5211 direct mounting flange on the valve body
3. Easy-adjust gland packing accessible with actuator mounted in place
4. Belleville washers on the gland nut offer reliable primary sealing between shaft and packing
5. Retaining ring for both equably pressing on packing and stem blowout proof
6. Multiply rows of RPTFE chevron for soft seat valve and Graphite chevron for fire safe and metallic seat
7. Extended neck for pipe insulation
8. Self-energized seat resulting in longer life and reduced maintenance·Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
9. Seat retainer supports the seat and allows for easy changeout
10. Double offset disc reducing the valve torque
11. Alloy harden disc surface for metal seat increases the sealing life time
12. Integral disc stop prevent disc from over travel
13. Soft seat, fire safe seat and metallic seat are replaceable each other
14. PTFE lined SS316 bearing support stem and increase service life
15. Thrust ring for anti-blowout and anti-static 
 

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