Performance parameters of bellows stop valve Use of bellows stop valve:
The bellows cut-off valve is suitable for medium pressure PN1.6-4.0MPa; working temperature -29 °C-350 °C flammable, explosive, highly toxic, toxic fluid, high temperature heat transfer oil, liquid ammonia and other media. Widely used in: petrochemical, chemical fiber textile, plastic paper, electric steel, printing and dyeing rubber, natural gas and other gas systems, the performance is safe and reliable, widely used in pipelines of industrial fluids such as ethylene glycol, used in various pipelines Cut or connect the pipe media. Suitable for water, oil, steam, natural gas and other media.
Characteristics of the bellows stop valve:
1. Double-layer bellows and bellows seal the valve stem.
2. The product structure is reasonable, the seal is reliable, the performance is excellent, and the shape is beautiful.
3. The valve disc, valve seat and sealing surface are made of iron-based alloy surfacing or stellite cobalt-based hard alloy surfacing according to different requirements. It has good wear resistance, high temperature resistance, corrosion resistance and scratch resistance. long lasting.
4. The valve stem is quenched and tempered and surface treated, and has good corrosion resistance, scratch resistance and wear resistance.
Various platform pipe flange standards and flange seals can be used to meet various engineering needs and user requirements.
5. The valve body material is complete, and the packing and gasketing materials are reasonably matched according to actual working conditions or user requirements, and can be applied to various pressure and temperature and medium working conditions.
6, the operation of the transmission mode: manual, gear rotation, electric, pneumatic and other bellows cut-off valve parameters:
Valve material: cast steel, stainless steel, forged steel, forged stainless steel.
Working pressure: GB-1.6-4.0MPa, American standard: 150LB-600LB.
Working temperature: -20 ° C -350 ° C.
Valve diameter: DN15-DN300.
Connection method: flange, wire or welding.
Drive mode: manual, worm gear, pneumatic, electric.
Applicable medium: water, oil, gas, steam, etc.
Application areas: mechanical equipment, chemical equipment, general parts, industrial equipment, water supply and drainage equipment, papermaking equipment, pharmaceutical equipment, general equipment, petrochemical equipment, electrical equipment, metallurgical powder equipment, mining equipment, municipal, electronics industry, etc.
Our services and commitments:
All of our products have been rigorously tested and fully compliant with national standards. It can also be executed according to American Standard or other national standards.
We establish a business philosophy of "customer-centered, quality is life, technological innovation and development". The products are strictly in accordance with the quality management system, and the quality is reliable and the service is first-class. Adhering to the "integrity-based" spirit of enterprise, we provide professional services to our customers with excellent products.
We supply the above products, but also provide customers with customized services for non-standard products. Our warranty period is 18 months, and we provide customers with after-sales service such as accessories and door-to-door maintenance for free during the warranty period. Welcome new and old customers to call us for advice and order.
Sales hotline, 51079089; fax; 24-hour service telephone, 18917502865, online QQ, 377970930 E-mail:
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Shandong Novista Chemicals Co.,Ltd (Novista Group) , http://www.novistachem.com