Products

Yufeng Machinery factory’s Three Station CNC Valve Disc Lapping Machine is specially designed for grinding and lapping sealing faces of valve discs and valve seats in gate valves, globe valves, check valves, and other industrial valves. It is equipped with three independent lapping stations, enabling simultaneous processing of multiple workpieces or sequential coarse grinding, fine grinding, and polishing operations to significantly improve production efficiency.

Yufeng Machinery is a professional DN50-125 Integrated Dual Purpose Valve Seat and Ball Sphere Lapping Machine manufacturer rooted in China Valve Capital, focusing on dual-spindle synchronous CNC lapping technology, hard seal valve sealing surface mirror finishing, flange flatness precision lapping, automated batch production, PLC closed-loop numerical control, heavy rigid bed structure, and long-term valve smart factory production line supporting orders.

Yufeng Machinery is a professional Double Head Spherical Ball Grinding Machine DN50-300 manufacturer from China Valve Industry Base, focusing on multi-spindle valve lapping equipment development, supporting precision spherical surface rework, mass valve factory production lines, non-standard multi-head configuration customization and regional distributor cooperation, flexible MOQ and fast delivery.If you need high-precision ball valve lapping and repair equipment for mass valve production, please contact us for full datasheets and factory quotation within 24 hours.

Yufeng Machinery factory's Split Safety Valve Pressure Calibration Test Bench is a single-station design specially developed for flange-connected and thread-connected spring-loaded safety valves. This bench integrates shell strength testing, valve seat seal testing, opening pressure setting, reseating pressure verification, and low-pressure air tightness inspection in one unit, offering easy operation and reliable results for factory QC and maintenance workshops.

Yufeng Machinery factory's Dual Station Safety Valve Calibration Test Bench features double-station simultaneous testing, specially customized for flange-connected and thread-connected safety valves, greatly boosting factory inspection efficiency and cutting labor costs. It is equipped with multiple high-precision pressure gauges, realizing precise pressure regulation and stable long-time pressure holding for shell strength and sealing performance tests.

Yufeng Machinery factory's DN80-DN300 Medium Horizontal Hydraulic Jaw Clamping Valve Test Bench is specially designed for shell strength and sealing performance tests on flanged end valves (ball, gate, globe, check, etc.) in the nominal diameter range DN80 to DN300. It supports both high‑pressure water (up to the corresponding test pressure, see table) and low‑pressure air (4 to 7 bar) as test media, enabling hydrostatic shell tests, high‑pressure liquid seal tests, and low‑pressure air tightness tests.