China power plant gate valve lapper Manufacturer, Factory, Supplier

Yufeng Machinery Vertical Gate Valve Grinding Machine is designed for precision grinding and lapping of sealing faces on gate valve bodies, wedges, and seats. Equipped with a liftable and rotatable grinding spindle with precision feed mechanism for accurate control of grinding stroke and speed.

Yufeng Machinery, a professional valve testing equipment manufacturer based in China's Valve Capital, strictly produces testing machines under an ISO 9001 quality management system, fully complying with GB/T13927-2022, GB/T26480-2011 and API 598 international valve inspection standards. Our factory independently develops this DN100 Hydraulic Jaw Gripper Clamping Valve Test Bench integrating hydraulic clamping, mechanical positioning, electrical automatic control and medium storage circulation into one integrated unit.

The YFJX-HQ100 DN15-DN100 Horizontal Hydraulic Axial Press Valve Test Bench features PLC control, a dual-pump water supply system and an integrated water tank. It supports automatic data recording and test report printing for valve pressure and leakage testing.

Yufeng valve Machinery manufacturer DN400 Horizontal Screw Axial Clamping Valve Test Bench is designed for shell strength and sealing performance testing of flanged, welded, and threaded ball valves, gate valves, and other industrial valvesThree phase motor drives mechanical screw and nut to press sealing plate against valve end face for reliable axial clamping.Supports both high pressure water and low pressure air as test media.Covers test diameter range DN50 to DN400 with flexible stroke adjustment for different valve body lengths.

Vertical Manual Screw Water Tank Air Tightness Test Machine is a vertical manual screw clamping valve air tightness tester with built-in water storage tank. Vertical Manual Screw Water Tank Air Tightness Test Machine adopts handwheel screw mechanism to clamp and seal valve end face. Vertical Manual Screw Water Tank Air Tightness Test Machine uses water immersion bubble method to check valve air leakage directly. Vertical Manual Screw Water Tank Air Tightness Test Machine is suitable for low pressure gas leak detection. Vertical Manual Screw Water Tank Air Tightness Test Machine has simple structure without external hydraulic power. Vertical Manual Screw Water Tank Air Tightness Test Machine is easy to operate with low cost, suitable for small valve factory, valve repair workshop and teaching test.

The Yufeng Machinery Horizontal Top Press Intelligent Valve Test Bench adopts a mature PLC programmable controller as the core control unit, which can realize real-time acquisition of physical parameters including test pressure and pressure holding time throughout the whole valve testing procedure with high precision and stability.