Tungsten Carbide Grinding Hard Seal Ball Valve

Publish Time: 07/12 2022 Author: Site Editor Visit: 270

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