The butt-welded bellow seal globe valve is suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and electric power industries, and cuts or connects the pipeline medium.

The high-performance elastic metal bellows has a particularly long fatigue life. The design of the bellows seal completely eliminates the shortcomings of the normal valve stem packing seal aging and easy to leak, which not only improves the energy efficiency, increases the safety of the production equipment, reduces the maintenance cost and frequent maintenance, but also provides cleaning. A safe working environment.

Structural Feature

1.   Double stem seal of packing and bellow

2.   The rugged bellows seal design ensures zero leakage of the stem and provides maintenance-free conditions.

3.   Sealing surface is plated Co-based hard alloy, which features in wear resistance, corrosion resistance, anti-friction performance and long service life;

4.   Stem undergoes quenching and nitriding treatment, having good anti-corrosion and anti-friction properties;

5.   The stem lift position indication

6.   Part material, flange and butt welding number size can be customized according to actual working conditions or user requirements to meet various engineering needs.

Product specification

Design specification: DIN3356

Structure length: DIN3202

Pair welding standard: DIN3239

Experimental standard: DIN3230

Product range

Body material: carbon steel, stainless steel, etc.

Nominal diameter: DN15-DN300

Pressure range: 1.6~10.0MPa

Applicable temperature: -29 ° C ~ 350 ° C

Mode of operation: manual, electric, pneumatic

Medium: water, steam, oil, etc.

If you are interested in more information, feel free to contact us via sales@jhflow.com