1. Suitable materials:
a. Weakly corrosive materials in chemical and petrochemical production, such as water, ammonia, oil, hydrocarbons, etc.;
b. Corrosive materials produced in chemical industry, such as caustic soda, soda ash, concentrated and dilute sulfuric acid, carbonic acid, acetic acid, ester acid, etc.;
c. Low-temperature materials in refrigeration, such as: liquid methane, liquid ammonia, liquid oxygen and various refrigerants;
d. Materials with hygienic requirements in light industrial food and pharmaceutical production, such as: beer, beverages, dairy products, grain pulp and medical supplies, etc.;
2. Filtration precision: 10-480 mesh (generally, the water mesh is 18-30 mesh/cm2, the ventilation mesh is 40-100 mesh/cm2, and the oil mesh is 100-480 mesh/cm2.);
3. Working temperature: ≤90℃;
4. Nominal diameter: DN25—DN600mm;
5. Nominal pressure: PN≤1.6Mpa (other working pressures can be designed according to user requirements);
6. Sealing materials: PTFE, nitrile rubber, oil-resistant asbestos rubber, EPDM rubber.