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To be a result of ours specialty and repair consciousness, our corporation has won a good popularity amid consumers everywhere in the environment for Grinding machines Made in China, Relief Valve Grinding machine,, Relief Valve Grinder,, gate valve grinding machine Made in China, China gate valve grinder factory, We welcome an prospect to do small business along with you and hope to have pleasure in attaching further particulars of our merchandise.
Grinding machines Made in China, The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.

Hot Products

  • Butterfly Valve test bench with dual station

    Butterfly Valve test bench with dual station

    Yufeng Machinery Dual Station Hydraulic Test Bench for Butterfly Valves is designed for DN250 to DN1200 wafer type, lug type, and flange type butterfly valves including concentric and eccentric types. Dual station design allows independent or simultaneous pressure testing on two stations, greatly improving batch inspection efficiency.
  • Horizontal Hydraulic Cylinder Axial Clamping Valve Test Bench

    Horizontal Hydraulic Cylinder Axial Clamping Valve Test Bench

    Yufeng Machinery DN80-300 Horizontal Hydraulic Cylinder Axial Clamping Valve Test Bench is designed for shell strength and sealing performance testing of heavy-duty flanged valves in petrochemical and power industries.Heavy-duty main cylinder and reinforced bed structure provide extra-large axial clamping force.
  • D600 type hydraulic butterfly valve test bench

    D600 type hydraulic butterfly valve test bench

    Yufeng Machinery factory's DN600 Dual Station Hydraulic Butterfly Valve Test Bench features double‑station simultaneous testing, specially customized for butterfly valves and knife gate 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.
  • DN700 Dual Station Special Hydraulic Test Bench for Butterfly Valves

    DN700 Dual Station Special Hydraulic Test Bench for Butterfly Valves

    Manufactured under ISO9001 quality management system by Yufeng Machinery, the DN700 Dual Station Special Hydraulic Test Bench for Butterfly Valves is a dedicated double-station hydraulic clamping pressure testing equipment independently developed for mass production inspection of butterfly valves and knife gate valves.
  • DN80-DN300 Medium Horizontal Hydraulic Jaw Clamping Valve Test Bench

    DN80-DN300 Medium Horizontal Hydraulic Jaw Clamping Valve Test Bench

    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.
  • CNC Automatic Horizontal Hydraulic Axial Press Valve Test Bench

    CNC Automatic Horizontal Hydraulic Axial Press Valve Test Bench

    Yufeng Machinery factory'CNC Automatic Horizontal Hydraulic Axial Press Valve Test Bench features a horizontal frame with a built‑in water tank and a CNC hydraulic system. The top pressure cylinder directly presses sealing plates against both valve ends for axial sealing, eliminating bending or side forces. The dual‑pump water supply system combines high‑flow filling with low‑flow high‑pressure boosting.

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