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China heavy duty valve lapping rig Manufacturer, Factory, Supplier

"Quality first, Honesty as base, Sincere service and mutual profit" is our idea, in order to develop continuously and pursue the excellence for heavy duty valve lapping rig, horizontal gate valve disc lapping machine, dn200 dn600 valve disc grinder, gate valve sealing surface repair equipment, hard alloy valve plate polishing machine, At present, corporation name has much more than 4000 kinds of products and gained very good status and big shares on current market domestic and abroad.
heavy duty valve lapping rig, We aspire to meet the demands of our customers globally. Our range of solutions and services is continuously expanding to meet customers' requirements. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

Related Products

Hot Products

  • Mini Compact Horizontal Hydraulic Top Pressure Valve Test Bench

    Mini Compact Horizontal Hydraulic Top Pressure Valve Test Bench

    The Yufeng Machinery factory's Mini Compact Horizontal Hydraulic Top Pressure Valve Test Bench features a compact horizontal design with a top pressure cylinder, specially suited for small bore flanged, welded, or threaded valves (ball, gate, globe, check, etc.). It supports high pressure water up to 64.0 MPa and low pressure air from 4 to 7 bar for shell strength and sealing performance tests.
  • Hydraulic Valve Test Bench for DN15-DN100 Flange Valve Pressure Testing

    Hydraulic Valve Test Bench for DN15-DN100 Flange Valve Pressure Testing

    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.
  • Valve Grinding Machine Rotary Worktable

    Valve Grinding Machine Rotary Worktable

    This dedicated rotary worktable is an auxiliary accessory for valve lapping machines. It holds valve discs, valve clacks and other workpieces and delivers steady, uniform rotation, cooperating with lapping heads for even circumferential grinding. Adjustable speed adapts to sealing face fine lapping of valves in different materials and sizes. Robust construction supports heavy loads. Compatible with multiple valve lapping units, it greatly improves lapping precision and processing efficiency for valve production and repair.
  • Four Station Vertical Valve Lapping Machine

    Four Station Vertical Valve Lapping Machine

    Wenzhou Yufeng Machinery, a professional valve processing equipment manufacturer under ISO9001 quality management system, has independently developed the Four Station Vertical Valve Lapping Machine (Model YFJX-LM300) based on years of lapping equipment R&D and manufacturing experience, strictly following standardized production procedures to guarantee stable machining accuracy and long service life.
  • DN100 Integrated Vertical Hydraulic Top Press Valve Test Bench

    DN100 Integrated Vertical Hydraulic Top Press Valve Test Bench

    Yufeng Machinery is a professional Integrated Full Vertical Hydraulic Axial Press Valve Test Bench manufacturer and exporter based in China's Pumps and Valves Capital, focusing on hydraulic valve testing equipment R&D and production for many years, supporting OEM custom configuration, small trial orders and bulk factory orders, with a 24-month global warranty and complete export certification documents.
  • Three Station Valve Disc Lapping Machine

    Three Station Valve Disc Lapping Machine

    Yufeng Machinery factory’s Three Station 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.

  • Suitable Grinding Equipment Choices for Professional Valve Repair Companies

    Recently, many owners of valve repair companies contacted Yufeng Machinery for grinding equipment. They need machines for mechanical seal faces and ball valve ball & seat lapping. Planetary grinding machine and rotary worktable stand out for high efficiency, great finishing effect and greatly reduced floor space occupation.

  • Why Computerized Valve Test Benches Are Gaining Popularity in Global Valve Repair Shops

    Digital testing has become a major trend in the valve repair sector. Computerized valve test benches solve the defects of traditional manual testing, featuring automatic pressure control, real-time data logging and standard report export. Paired with planetary grinding machines and rotary worktables, they create a complete closed-loop solution for valve overhaul and inspection.

  • Yufeng Valve Test Bench for Industrial Valve Pressure Testing

    Wenzhou Yufeng Valve Machinery Manufacturer specializes in the production of valve testing equipment for industrial valves. This article introduces the main applications of Yufeng valve test bench in pressure testing and explains why valve manufacturers choose Yufeng valve test bench for stable and accurate testing results.

  • How to Perform FAT for Valve Test Benches in Yufeng Machinery Workshop

    Yufeng Machinery implements standardized FAT Factory Acceptance Test for valve test benches before delivery. All valve test benches follow ISO and API standards during FAT inspection. Customers or third-party inspectors can witness the whole FAT test. This article introduces the full FAT workflow, documentation and SAT site acceptance test for valve test benches.

  • Precision pressure testing of the Valve Pressure Test Machine.

    To meet the requirements of standardized pressure testing, factory quality inspection and working condition simulation tests for all types of industrial valves...

  • How to Select a Suitable Valve Test Bench: Key Information Required in Your Inquiry

    Choosing the correct valve test bench relies on complete inquiry parameters. We summarize the critical specifications customers need to prepare before sending enquiries. We also clarify a common misunderstanding about API requirements: API 598 applies to valve testing standards instead of requiring API certification for the test bench itself.

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