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China hard seal ball valve lapping equipment Manufacturer, Factory, Supplier

We try for excellence, services the customers", hopes to become the ideal cooperation team and dominator company for staff, suppliers and buyers, realizes value share and continuous marketing for hard seal ball valve lapping equipment, ball valve lapping machine, valve seat grinding machine, DN600 ball lapping machine, large ball valve refacing machine, In purchase to expand our international market, we mainly provide our oversea prospects Top quality performance items and assistance.
hard seal ball valve lapping equipment, Now, we are trying to enter new markets where we do not have a presence and developing the markets we have now the already penetrated. On account of superior quality and competitive price , we'll be the market leader, please don??￥t hesitate to contact us by phone or email, if you are interested in any of our goods.

Related Products

Hot Products

  • Horizontal Heavy Gate Valve Disc Lapping Machine for DN200-DN600

    Horizontal Heavy Gate Valve Disc Lapping Machine for DN200-DN600

    This horizontal heavy gate valve disc lapping machine is specially designed for DN200 to DN600 gate valve disc sealing surface repair. Stable horizontal bed and precision rotary structure realize fine grinding and polishing, eliminate wear erosion and scratches on sealing surface, recover flatness and surface finish. It supports speed adjustment, works well for stainless steel and hard alloy valve discs, ideal for large bore gate valve overhaul in petrochemical power and metallurgy industries.
  • Compact Vertical Hydraulic Valve Test Bench for DN15-DN150 Valve Factory Acceptance Pressure Test

    Compact Vertical Hydraulic Valve Test Bench for DN15-DN150 Valve Factory Acceptance Pressure Test

    Manufactured by Yufeng Machinery complying with ISO9001 quality management system, the DN150 hydraulic valve test bench is a small vertical compact hydraulic valve pressure testing device.
  • Vertical Manual Screw Immersion Air Tightness Tester for Small Bore Valve Bubble Leak Testing

    Vertical Manual Screw Immersion Air Tightness Tester for Small Bore Valve Bubble Leak Testing

    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.
  • Horizontal Clamping Valve Test Bench DN400

    Horizontal Clamping Valve Test Bench DN400

    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.
  • 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.
  • DN1600 Split Type Special Vertical Hydraulic Test Bench for Butterfly Valves

    DN1600 Split Type Special Vertical Hydraulic Test Bench for Butterfly Valves

    Developed and manufactured by Yufeng Machinery in accordance with ISO9001 international quality management system, the DN1600 Split Type Special Vertical Hydraulic Test Bench for Butterfly Valves is a vertical split hydraulic pressure testing equipment exclusively customized for large-diameter butterfly valves.

  • South African Customers Visit Wenzhou Yufeng Machinery After Wenzhou International Valve Exhibition

    Two valued customers from South Africa visited Wenzhou Yufeng Machinery on October 12. The South African customers attended Wenzhou International Exhibition from Oct 9 to 11. The South African customers inspected factories in Longwan and Oubei, and shared positive feedback about previous Yufeng equipment including planetary grinding machine and claw type valve test bench.

  • Growing Demand for Valve Refurbishment Drives Upgrades of Precision Testing and Lapping Equipment

    More industrial operators choose valve refurbishment to control project expenditure while complying with stricter leakage and safety regulations. This shift brings new demands for stable, high-precision testing and surface lapping equipment. Yufeng Machinery keeps optimizing valve test benches and planetary grinding solutions to match the new requirements of global valve repair workshops.

  • YFJX-B Series Heavy Jaw Clamping Hydraulic Test Bench for Medium & Large Straight Flange Valve Manufacturing Batch Inspection

    Yufeng YFJX-B series jaw clamping valve test bench includes YFJX-B600 submerged model and YFJX-B1000 integrated model for large bore low pressure valve testing. These two units are supplied to different clients separately, showing our capability to manufacture large valve pressure test equipment for straight flange valves. Compliant with GB/T13927 and API598.

  • 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.

  • Valve Aftermarket & Repair Segment Becomes Main Growth Driver for Global Valve Industry

    Ongoing investment in energy infrastructure upgrades and predictive maintenance has shifted the industry growth focus from new valve manufacturing to aftermarket repair and recertification. Standard compliance such as API 598 and ISO 5208 becomes mandatory for valve re-certification, which directly stimulates market demand for professional valve pressure testing and precision lapping equipment. Yufeng Machinery keeps pace with this industry shift, delivering matched equipment and one-stop technical services to help valve repair enterprises meet certification requirements and improve workshop efficiency.

  • Full In-house Manufacturing Workflow Ensures Stable Quality of Valve Test Equipment

    Reliable valve testing and grinding equipment relies on strict full-process manufacturing control. We implement independent production management covering raw material verification, metal forming, precision welding, surface finishing, anti-corrosion coating and factory performance testing, to deliver stable, high-standard equipment for global valve manufacturers and repair workshops.

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