China High Quality Bellow Seal Valve Working Factory – Carbon Steel DIN Bellows Seal Gate Valve – UNIQUE

Main advantages of the product

Bellows seal gate valves, it is a key component of metal bellows, bottom stem adopts automatic seam welding and welding, the upper roll and connection plate automatic welding, between the fluid and the atmosphere to form a metal barrier, to ensure that the valve stem zero leakage.
2. Double seal design (corrugated pipe + packing) if bellows fail, stem packing will also avoid leakage and comply with international sealing standards;
3. The valve cover is equipped with grease fitting, which can be used directly to lubricate the stem, nut and shaft sleeve, not like the traditional screw lubrication.
4. Ergonomically designed handwheel, with longer service life, easy and convenient operation, safer and more reliable;Product application: petroleum, chemical industry, pharmaceutical, chemical fertilizer, electric power and other industries.
Material: cast steel, forged steel, stainless steel ANSI material.
Nominal size: DN15~DN400.
The product can be provided with DN450 or above.
Nominal pressure: PN16~40.
It can provide customized PN64 and above pressure products.
Connection mode: flange, thread, welding (butt welding, socket welding)