1.The product is designed and manufactured according to the national standard GB/T 12235, with reliable sealing and excellent performance.
2.The sealing surface of the valve disc and seat is made of iron-based alloy or stellite cobalt-based cemented carbide surfacing, with good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.
3. Various pipe flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.
4. The valve body material variety is complete, the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to various pressure, temperature and medium conditions.
5. Check valves with different structure forms and connection forms can be designed and manufactured according to user requirements for supporting various equipment.
Structural characteristics
1. The product is designed and manufactured according to the national standard GB/T 12235, with reliable sealing and excellent performance.
2. The sealing surface of the valve disc and seat is made of iron-based alloy or stellite cobalt-based cemented carbide surfacing, with good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.
3. Various pipe flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.
4. The valve body material variety is complete, the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to various pressure, temperature and medium conditions.
5. Check valves with different structure forms and connection forms can be designed and manufactured according to user requirements for supporting various equipment.
Standards and specifications
Nominal pressure PN(MPa) : 1.6~16
Shell strength test pressure: 1.5 times the nominal pressure at normal temperature
High pressure seal test pressure (MPa) : 1.1 times the nominal pressure at room temperature
Working pressure (MPa) at normal temperature: ≤1.6~≤16
