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BELLOWS GLOBE VALVE
MAIN FEATURES:
1 double seal design (bellows + fill) if the bellows failure, valve stem packing willavoid.
2, reasonable structure, reliable sealing, excellent performance, beautiful appearance.
3 no fluid loss, reduce energy losses, improve plant safety equipment.
The 4 sealing surface surfacing Co base hard alloy, wear resistance, corrosion resistance, anti friction performance, long service life, reduce the number of repair, reduce operating costs.
5 rugged bellows seal design, ensures zero leakage of the valve stem, provide maintenance free conditions.
The 6 cut-off valve stem the tempering and surface nitriding treatment, with goodcorrosion resistance and friction performance;
7 lifting a valve rod position indicating more intuitive.
Design Features
Design standard as per: BS1873、GB/T 12235.
Generally, lift is just 1/4 of the valve seat port, ensuring a short Opening/closing time.
Only one sealing face exists on the valve body and disc.
For large size valves will be designed with main disc and vice disc type, and medium flow from up disc to down disc.
The valve is designed as a back seat sealing structure.
Use flexible and woven graphite collaboration type packing.
Product Range
Body material: carbon steel, stainless steel, alloy steel
Nominal diameter: 1/2"～48"（DN15~DN1200）
Pressure range:Class150～2500（PN10~PN420）
End connection: RF, RTJ, BW
Working temperature:-29℃～560℃
Operation: handwheel, gear box, electric, etc.
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