Zhengzhou Wang Song Machinery Equipment Co., Ltd

  For valve seat and valve core grinding and polishing Used in combination with and Lapping machines High quality, self-adhesive rings and tips for (safety) valve Seat and Disc reconditioning and re-finishing. The very thin, high quality, Polyester based Aluminium Oxide material can be used for machining all common valve seat / disc materials. The rings and tips are available in grains*; · P80 / 180 μm high material removal rate. · P150 / 100 μm high material removal rate. · P240 / 60 μm pre-finishing. · P500 / 30 μm fine finishing. · P1200 / 15 μm fine finishing. * Others available on request. The Aluminium Oxide rings and tips are available on plastic sheets; very easy to peel the ring / tip off and actually stick it back again for re-use.  The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. Grinding is a common method...

  Lapping blocks are made of a special grade of cast iron to ensure the best quality in his lifetime. A complete grinding kit can be used in grinding of the sealing surface of the safety valve. Applicable to the nominal diameter DN25 ~ 150 mm various types of safety valve repair. The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve sealing surface grinding tool can effectively repair the valve seat and disc seal, simple operation, economical and low cost The cost of achieving high-quality "mirror" polished surface. Application range: Grinding and maintenance of the flat sealing surface of the safety valve. technical parameter: 1. Fine grinding plate: Φ300mm. 2. Rough grinding plate: Φ300mm. 3. Grinding head: 9 groups of Φ20 ～ 150mm. 4. Nominal diameter of grinding: DN20 ～ 150mm. Features: 1. Convenient to ...

  安全阀使用中介质的腐蚀，安装过程中排放杂物造成的冲刷伤痕，都会造成密封面损坏 . 安全阀密封面研磨工具能够有效对阀座、阀瓣密封修复，操作简单、经济节省，用低的成本，实现高质量的 “ 镜面 ” 抛光表面。 应用范围 : 安全阀平面密封面的研磨维修。 技术参数 : 1. 精磨板 : Φ 300mm 。 2. 粗磨板 : Φ 300mm 。 3. 研磨头 : Φ 20 ～ 150mm 共九组。 4. 研磨公称通径 :DN20 ～ 150mm 。 设备特点 : 1. 携带方便，适合现场作业。 2. 能够达到电动研磨机无法达到的高精度。 备注： 支持尺寸定制 , 可选配便携式研磨板。

     A complete lapping kit which can be used on Tyco, Crosby and Anderson       Greenwood Pressure Relief Valves. The lapping blocks are double sided, one side HY iron for high removal rate and other side is HY copper for finishing /polishing. Each block has two perfectly flat working sides and it is crucial that the lapping blocks keep their high flatness to produce a flat seating surface on either the disc or the nozzle. The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve grinding tool kit can effectively repair the nozzle valve seat and disc seal, simple operation, economical and economical, and low cost The cost of achieving high-quality maintenance. Application range: Grinding and polishing of conical and flat sealing surfaces of safety valves (Crosby/Dreiser). technical parameter: Grinding di...

  High quality, self-adhesive foil for (safety) valve Seat and Disc reconditioning and re-finishing. The foil can be cut is specific shapes for hand or machine use. The very thin, high quality,Polyester based Aluminium Oxide material can be used for machining all common valve,seat / disc materials. The rings and tips are available in a wide variety of grains from rough.for the highest material removal rate up to super fine for the finest finish. For valve seat and valve core grinding and polishi ng. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause damage to the sealing surface. Grinding is a common method. Self-adhesive sandpaper can be used with grinding equipment to cut and squeeze the sealing surface to quickly repair the damage Seal the surface. Application range: Cooperate with grinding equipment to grind the valve seat and valve core. technical parameter: 1.100μm, 80μm, ...

  Zhengzhou Wang Song Machinery Equipment Co., Ltd. is located in Zhengzhou High-tech Industrial Development Zone, is a collection of science, industry and trade in an integrated technology enterprises, specialized in valve testing and maintenance of special equipment research and development, production and high-end testing equipment agent jobs. Products: Safety Valves Check Valves, Safety Valves On-line Calibrators, Safety Valve Sealing Face Grinding Tools, Valve Grinding Maintenance Equipment, Valve Repair Supplies, Valve Repair Tools, Valve Test Platforms, Special Testing and Maintenance Equipment; The company adhering to the "rigorous, honest, high quality and efficiency" business philosophy, "professional, perfect" for the development of objectives, and constantly for new and old customers to provide quality products and services. Zhengzhou Wang Song Machinery Equipment Co., Ltd  Website：www.zzwsjx.com Office Tel：+86 371-61283263   Mobile Phone: +86-1853851348...

  Repair and repurpose (safety valve) flat valve seat, butterfly valve, other metal seal. The portable hand-held grinding system enables you to obtain high-quality "mirror" finish at the lowest cost. Conveniently packed cast iron blocks can be used for components up to 10 inches / 250 mm in diameter. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The portable grinding plate can effectively seal and repair the flat valve seat, valve butterfly, and other metal planes (mechanical seal) of the (safety valve) valve. It is simple to operate, economical and economical, and achieves a high-quality "mirror" polished surface at a low cost. Application range: Repair and re-grind (safety valve) valve flat seat, valve butterfly, and other metal flat (mechanical seal) seals. technical parameter: 1. Fine grinding plate: Φ450mm. 2. Rough grinding plat...

  achieves an efficient material removal on various hard surfaces like ceramic materials, satellite an even on stainless steel. The basic gel in this product makes it easy to use with lapping and grinding equipment and is resistant to temperatures up to 150° C. The remainder of the paste can be easily washed off after sanding. For valve seat and valve core grinding and polishing. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause damage to the sealing surface. Grinding is a common method. The abrasive can be used with grinding equipment to cut and squeeze the sealing surface to quickly repair the damaged seal surface. Application range: Grinding and polishing of valve seat and valve core. technical parameter: 1.0.25μm, 1μm 3μm, 14μm, 25μm. 2. Working temperature is 150℃. Features: 1. The gel form is suitable for grinding equipment, with high removal rate. 2. Suitable for various ...

  Used to grind valve cones, internal combustion engines, compressors, machines and other bearings and nozzles grinding before and after grinding paste. Add water / oil to achieve the desired consistency of the paste. After grinding, the rest of the paste can be easily washed away. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause damage to the sealing surface. Grinding is a common method. Grinding powder is used in conjunction with grinding equipment to cut and squeeze the sealing surface to quickly repair the damaged seal surface. Application range: Grinding and polishing of valve (safety valve) valve seat and valve core, flat valve seat, valve butterfly, and other metal plane seals. technical parameter: W50, W28, W14, W10, W2.5. Features: The use of supporting grinding equipment can obtain higher surface finish and flatness.

  A portable grinding equipment, suitable for DN20 ~ 300mm/400mm safety valve, stop valve. The handy machine is delivered ready for use, packed in a robust carrying case. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The electric grinding tool can effectively repair the seal of the stop valve and the safety valve. The operation is simple, convenient to use, fast grinding, and good repair effect. Can effectively improve maintenance efficiency. Application range: On-site grinding and repairing of the sealing surfaces of globe valves and safety valves. technical parameter: 1. Diameter: DN20～300mm/400mm. 2. Maximum depth: 500mm. Features: 1. Balance guide positioning sleeve, improve the center positioning and accurate control of grinding. 2. Orbital rotation, high-quality flatness and more comprehensive grinding can be obtained. Remarks: Support size cus...

  A complete lapping kit which can be used on Tyco, Crosby and Anderson Greenwood Pressure Relief Valves. Lapping blocks are made of a special grade of cast iron to ensure the best quality in his lifetime. There is a block for each orifice size. Each block has two perfectly flat working sides and it is crucial that the lapping blocks keep their high flatness to produce a flat seating surface on either the disc or the nozzle. The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve grinding tool kit can effectively repair the nozzle valve seat and disc seal, simple operation, economical and economical, and low cost The cost of achieving high-quality maintenance. Application range: Grinding and polishing of conical and flat sealing surfaces of safety valves (Crosby/Dreiser). technical parameter: Grinding diameter: DN20～200mm. Features:...

  A complete grinding kit can be used in grinding of the sealing surface of the safety valve. Applicable to the nominal diameter DN25 ~ 250 mm various types of safety valve repair. Lapping blocks are made of a special grade of cast iron to ensure the best quality in his lifetime. The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve sealing surface grinding tool can effectively repair the valve seat and disc seal, simple operation, economical and low cost The cost of achieving high-quality "mirror" polished surface. Application range: Grinding and maintenance of the flat sealing surface of the safety valve. technical parameter: 1. Fine grinding plate: Φ390mm. 2. Rough grinding plate: Φ390mm. 3. Grinding head: Φ20～250mm, a total of 11 groups. 4. Nominal diameter of grinding: DN20～250mm. Features: 1. Convenient to carry, suita...

  A complete grinding kit can be used in grinding of the sealing surface of the safety valve. Applicable to the nominal diameter DN25 ~ 150 mm various types of safety valve repair. Lapping blocks are made of a special grade of cast iron to ensure the best quality in his lifetime. The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve sealing surface grinding tool can effectively repair the valve seat and disc seal, simple operation, economical and low cost The cost of achieving high-quality "mirror" polished surface. Application range: Grinding and maintenance of the flat sealing surface of the safety valve. technical parameter: 1. Fine grinding plate: Φ280mm. 2. Rough grinding plate: Φ280mm. 3. Grinding head: 9 groups of Φ20～150mm. 4. Nominal diameter of grinding: DN20～150mm. Features: 1. Convenient to carry, suitable for fi...

  Ingenious designed system for testing all types of spring operated PSV’s in-situ, in process and under normal operating conditions. The portable system enables you to prove the correct working and performance or identify PSV’s in need of repair without plant shut-down. The safety valve is an automatic valve, which plays a role of overpressure protection during the use of boilers, pressure vessels, and pressure pipelines. The working conditions and internal media in production will affect the reliable opening of the safety valve. The safety valve online detector can simulate the opening environment of the safety valve, set the pressure of the safety valve, and provide protection for the sensitive opening of the safety valve. Checking the safety valve under the operating state of the boiler pressure vessel, the system does not need to be shut down, does not affect production, and is more convenient; there is no need to disassemble the safety valve, which saves the work of disassemb...

  Valve sealing surface and mechanical seal surface flatness testing. Sealing surface inspection is an indispensable step in maintenance work. The accuracy and efficiency of measurement determine the maintenance time to a certain extent. The flatness tester can accurately and quickly inspect the seal, reduce the environmental impact of working conditions, and improve industrial site performance. Reliability, improve maintenance efficiency. Application range: On-site inspection of valve and mechanical sealing surface. technical parameter: 1. Detection diameter: 30-300mm. 2. Parallelism error: 0.6μm. 3. Flatness error: 0.06μm. Features: 1. The high-precision sodium lamp radiation spectrum is pure and stable, the light has no flicker, and the wavelength transmission is strong. It is not affected by the environmental temperature of the working condition, and has a wide range and long life. 2. The detection plane is equipped with damping materials, spraying process treatment, fire-retar...

  Pre- and post-grinding paste in the can for grinding in valve cones, bearings and nozzles for combustion engines, compressors, machines etc. The remainder of the paste can be easily washed off after sanding. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause damage to the sealing surface. Grinding is a common method. The grinding paste is used with grinding equipment to cut and squeeze the sealing surface to quickly repair the damaged seal surface. Application range: Grinding and polishing of valve seat and valve core. technical parameter: W50, W28, W14, W10, W2.5. Features: The use of supporting grinding equipment can obtain a higher surface finish and flatness.

  A portable grinding equipment, suitable for DN20 ~ 200mm/300mm safety valve, stop valve. The handy machine is delivered ready for use, packed in a robust carrying case. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The electric grinding tool can effectively repair the seal of the stop valve and the safety valve. The operation is simple, convenient to use, fast grinding, and good repair effect. Can effectively improve maintenance efficiency. Application range: On-site grinding and repairing of the sealing surfaces of globe valves and safety valves. technical parameter: 1. Diameter: DN20～200mm/300mm. 2. Maximum depth: 350mm. Features: 1. Balance guide positioning sleeve, improve the center positioning and accurate control of grinding. 2. Orbital rotation, high-quality flatness and more comprehensive grinding can be obtained. Remarks: Support size cu...

  Repair and repurpose (safety valve) flat valve seat, butterfly valve, other metal seal. The Portable hand lapping system enables you to achieve high quality ‘Mirror’ finish against the lowest possible costs. The handy packed cast iron blocks can be used for components up to a diameter approx. of 6” / 150 mm. The corrosion of the medium in use of the valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The portable grinding plate can effectively seal and repair the flat valve seat, valve butterfly, and other metal planes (mechanical seal) of the (safety valve) valve. It is simple to operate, economical and economical, and achieves a high-quality "mirror" polished surface at a low cost. Application range: Repair and re-grind (safety valve) valve flat seat, valve butterfly, and other metal flat (mechanical seal) seals. technical parameter: 1. Fine grinding plate: Φ300mm. 2. Rough grinding plat...

  for together with the abrasive paste regularize imperfections in the seal seats of the PSV valves. APIRP-526 standard channel area, from "D" to "T" (0.110in² to 26in²). The corrosion of the medium in the use of the safety valve and the scour marks caused by the discharge of debris during the installation process will cause the sealing surface to be damaged. The safety valve grinding tool kit can effectively repair the nozzle valve seat and disc seal, simple operation, economical and economical, and low cost The cost of achieving high-quality maintenance. Application range: Grinding and polishing of the sealing surface of the safety valve. technical parameter: APIRP-526 standard flow channel area, from "D" to "T" (0.110in² to 26in²). Valve size   Orifice Effective orifice area Orifice diameter   mm 2 In 2 -(poI 2 ) mm In 2 -(poI 2 ) 1*2 ...