Valves and Seats for Pumping Well Fracturing

The material properties to be considered in selecting soft valve seats are 1) Fluid compatibility, including expansion, hardness loss, permeability, degradation; 2) Hardness; 3) Permanent deformation; 4) Degree of recovery after load elimination; 5) tensile strength and compression strength; 6) Deformation before rupture; 7) Elastic modulus. Jiangyin yida machinery co., LTD. is professional in offering various quality and low price mud pump piston made from thiakol rubber or...