Tungsten Carbide Grinding Hard Seal Ball Valve
Main technical difficulties
A. Hardening technical problems of ball and valve seat surface;
B. Roundness of sphere and processing technology;
C. Stuck due to material expansion under high temperature conditions;
D. The opening and closing torque of metal hard seal ball valve;
E. Erosion and wear of solid hard particle media;
F. Sealing structure design for high temperature working condition and solid particle medium;
G. The connection between components.
Performance Parameter
Nominal pressure: class150-class4000/pn10-pn670
Nominal diameter: 1/2 "-2" /dn15-dn50
Working temperature: -196 ℃ -850 ℃
Leakage level: ANSI class VI
Driving mode: manual, pneumatic, electric, hydraulic
Technical specification
Design standard: API 608, API 6D, ASME B16.34
Face to face: ASME B16.10
Flange standard: ASME B16.5
Test standard: API 598