API610 10th and API682 Mechanical Seal. Product DescriptionChemical process pump Complies to API610, 682, ISO2858standards Max presusre: 2.5MPa Capacity ... : 0.64~2400 m3/h Head: 4~250 m Chemical process pump Q: 0.64-2400m3/h H: 4-250m T: ... other brands. Coupling: Pin type coupling Usage: Soda, inorganice salts. Metallurgy, acid-making, petrochemical, fiber, plastic, paper-making, chemical fertilizer. ...