Product main advantages:
1. bellows seal valve, key components of metal bellows, the lower end of the stem assembly with automatic roll welding, the upper end of the connecting plate automatic roll welding, between the fluid medium and the atmosphere to form a metal barrier, to ensure zero stem leakage ;
2. The dual seal design (bellows + fill) if the bellows failure, stem packing will prevent leaks, and sealed in accordance with international standards;
3. bonnet comes with a grease fitting directly on the stem, nut and bushing lubrication, unlike conventional lubricating only thread;
4. ergonomic hand wheel, longer life, easy operation and convenient, more secure and reliable;
Applications: petroleum, chemical, pharmaceutical, fertilizer, power and other industries
Temperature: -196 ℃ ~ 600 ℃
Applicable nominal pressure: PN1.6 ~ 13Mpa