Mumbai, Maharashtra, India
Our Products
United Van Der Horst has successfully completed 24 quantity of jacking cylinder assembly for RIG Sagar Samrat of ONGC drilling. Repair scope includes removal, repair & installation of cylinder back into RIG after repair. Also includes Hard chrome plating of cylinder barrel diameter 555 x Length Appx 3000mm, Hard chrome plating of piston rod diameter 444.5 x Length Appx. 3000mm, Replacement of OEM seals, Testing for: Load test , Breakaway pressure test, Intermediate pressure test, Chrome peel of test for Hard chrome plating.
Facilities for overhauling of various types of compressors like HVAC, HP, Gas Compressors, etc both at our works and at customer site of Ingersoll Rand and Dresser Rand have been successfully carried out.
These are reconditioned by removal of worn-out / damaged portions are pre-machined to sound metal. NDT checks are performed prior to weld built up. Inlay of satellite on valve seat area and finish machining followed by lapping and blue matching with respective valve spindle is done to ensure minimum 70% contact area.
A critical component of compressor body is its "cylinder liner", Repair scope includes collapsing of Old cast iron liner & Shrink fitting of New cast iron liner. Honing of liner bore to get the required surface finish & tolerance.
The procedure includes testing of material, weld build up of broken teeth with compatible electrodes, profile matching of teeth and also replacement of heavily damaged gears those which are beyond repair. Repair and reconditioning of shaft diameters at bearing and sealing areas by weld build-up, hard chrome plating and grinding process and bring the size to its original diameter.
Weld build up broken / damaged propeller blade with compatible electrode with proper welding procedure, grinding and matching of profile. Inspection by certification societies like IRS, BV, DNV, GL etc.
Actuators are manufactured I reconditioned, inspected and tested in accordance with "ISO 10100:2001 : Hydraulic fluid power-Actuators-Acceptance tests". Please refer to our hydraulic cylinder catalog for details complete solution including custom made new actuators and reconditioning of worn out or damaged actuators.
A stainless steel roll used in food processing industries. repair scope includes refurbishment of bearing diameters.
United Van Der Horst has successfully developed "Thruster Jacking cylinder" for Drilling Tycoon "Transcoean". Scope includes Modified Piston head with Phosphorous Bronze Guide, Modified Rod sealing arrangements for easy replacement of seals & to avoid water impregnated.
Used in processing industries as a short distance conveyor. Repair scope includes re-sizing of flutes diameter by machining followed by grinding to maintain the required size and tolerance. Repair of Bearing diameters by Hard chrome plating. Dimensional accuracy of 0.1 mm can be easily achievable for flutes & 0.01 mm for bearing diameters.
Repair includes Hard chrome plating of cylinder barrel internal diameter to bring back its original dimension and tolerance with required surface finish. Hard chrome plating of Piston rod. Replacement / Modification of sealing arrangement with New design. Replacement / Modification of position transducer, Torque tightening capacity up to 25000N-m , NAS 3 level Servo 46 oil is used for testing.
With 15 T positioner, 8m3 volume stress relieving capacity & expertise in wide range of welding made United Van Der Horst ideal for repair of Roll Chocks. Repair includes reconditioning of Bearing diameter by welding, machining followed by grinding process to maintain the required size & surface finish, maintaining parallelism of liner faces. Repair of grease lines, Repair / Modification of Bending cylinders with New sealing design.
Repair includes repair of cylinder bore by welding machining & grinding process, Hard chrome plating of piston rods, Replacement / Modification of sealing system, Rectification of Oil paths / Drills , Re-chasing / Re-Tapping of threaded holes, Maintaining parallism of liner faces. Load testing facility up to 250 T capacity. United Van Der Horst has also manufactured new design roll bending blocks with I.D. hard chrome plated and ground surface finish along with Low friction sealing design.
Calibrator Plate is a molding plate used in manufacturing of light weight building materials, These plates requires a hard chrome plated and mirror finish surface. United van Der Horst has supplied calibrator plate with surface finish value of Ra < 0.2 microns & surface hardness min 65 Hrc.
Used as a Crusher cylinder in Cement plants .Repair scope includes Parting of cylinder barrel & end cover for hard chrome plating, Hard chrome plating of cylinder barrel & piston rod. Replacement of seals with Modified /OEM make. Load testing of cylinder assembly at required pressure
Re-conditioning of crank shaft up to 10 meters long with a swing over a diameter of 1.2 meters. Repairing of crankpins and main Journals by juxtaposing the grinding process. Services for crank-shaft also includes straightening of crankshaft by peening method, full dimensional inspection in addition with magnaflux crack detection. The entire procedure are approved by classification societies like IRS, DNV, BV, Lloyds. Inspection of final product is witnessed and certified by the respective classification society.
United Van Der Horst has successfully developed work procedure for hard chrome plating of thin walled section telescopic cylinder's Barrel & Rod. Grinding of thin walled section tubes requires special care to avoid Bulging / Uneven grinding. Wide range of custom designed fixtures made us possible deliver the goods at right quality & time. Modified/OEM make seals are also offered as per customer requirement.
A large diameter vacuum cup used in Heat treatment plants for Normalizing/Annealing process at negative pressure (vacuum). Repair scope includes re welding of all weld joints after entire NDT check. Re-Profiling of corrugate surface. Painting of both external & internal surface with heat resistance painting.
Reconditioning of internal diameters of both side bearing housing body by machining followed by weld build-up and finally finish machining to its original shape and size. Journal Bearing diameter of both the male and female screws are repaired and re-conditioned by hard chrome plating and grinding process to get the required surface finish & tolerance. Replacement of damaged bearings. Rectification of lubrication lines.
Repair includes Hard chrome plating of cylinder barrel internal diameter to bring back its original dimension and tolerance with required surface finish. Hard chrome plating of Piston rod. Replacement / Modification sealing arrangement with New design. Replacement / Modification of position transducer, Torque tightening capacity up to 25000N-m, NAS 3 level Servo 46 oil is used for testing.
A Critical equipment used for supply of oil / water at pressure for rotating parts specially for Hydraulic cylinders in Rolling mills, CNC Head stocks. Repair scope includes repair of sealing diameters by Hard chrome plating, replacement of damaged bearings, Modification of sealing arrangement / replacement of seals. Testing of rotary joint at actual working conditions at given RPM.
Cylinders are manufactured / reconditioned, inspected and tested in accordance with "ISO 10100:2001 : Hydraulic fluid power-Cylinders-Acceptance tests". United Van Der Horst offers complete solutions including custom made new cylinders and reconditioning of worn out damaged cylinders for all industrial applications in Steel, Cement, Pharmaceutical, Automobile, Material Handling, Earth Moving, Aluminum, Power Plants, Food Processing, Injection Moulding Machines, Mining etc. A few prestigious Hydraulic cylinders developed for steel industries would be Roll Force Cylinders / Screw Down Cylinders (AGC), Back-up Roll bending and balancing cylinders etc. with sealing solutions considering lengths and strength of bearing elements, suitable wiping elements to eliminate any kind of contamination. A complete package for the hydraulic system can be provided by United Van Der Horst today. Modified seals or OEM seals and Hoses with latest technology and sealing profiles from reputed manufacturers are also available.
Special fittings tools also can be supplied to prevent damage to the seals while installation and for ease of fitment. The cylinders are coated with anti-corrosive epoxy paints or suitable surface treatments is carried out based on environment of service.
Kin Pin is a critical component of Wind Mill . United Van Der Horst has successfully developed a plating procedure for the special grade Nodular Cast iron material. Plating has been tested under third party inspection by TATA PROJECTS for peel off test at 900 bend & Hardness achieved on these surface is min 65Hrc. Kingpin are ground with concentricity within 10 microns and perpendicularity within 20 microns.
Renewal of joints, repair of ring grooves as per API procedure by pre-machining, welding of SS buffer lay, SS inlay, stress reliving, finish machining, DP tests and pressure testing up to 21, 000 PSI.
The procedure includes testing of material, weld build up of broken teeth with compatible electrodes, profile matching of teeth. The shaft diameters and the bearing and the sealing areas are re-built back to standard diameter by the hard chrome plating and grinding process. Modifiedor OEM Rotary Shaft Seals with latest technology and with different sealing profiles are available.
Tie-Bar is a parts of Extrusion press / Forging Press subjected to heavy Tensile & Fatigue loading. Repair scope includes joining of broken tie-bars of size 500mm diameter & length in excess to 10000 mtrs by welding & then Finish machining as per requirements.
Rudder stock is a part of Rudder system of Ships for directional control. Repair scope includes rectification of damaged / pitted surface of rudder stock as per approved WPS (welding procedure specification) from DNV / Approved certifying authority for the respective ship. High stress concentrated areas shall be taken in to consideration during welding.
Dismantling of I-Bop with specially designed fixture, replacement of damaged ball valve parts & seals, Re-assembling & testing at required pressure.
Repair include dismantling of gear box from RIG, replacement of damaged roller bearings, Modification of Oil seal, Repair of damaged base plate, Installation of gear box back in to Rig.
Hubs are part of Rack -Pinion system of Mechanical Jack -Up rig, repair includes machining out the damaged bearing diameter on both NDE (non drive end ) & DE (drive end) Weld build up with ABS -Huston (USA) approved Aluminum -Bronze Cladding on bearing diameters. Finish machining & Honing of bearing diameters to maintain the tolerance as per requirement. All inspections are carried out under ABS super vision.
Repair includes pre honing of sealing diameter. UT check on whole body, Hardness check & Hard chrome plating to achieve the required size.
Hydro-Tester assembly is a hydraulically operated Gate valve assembly used in hydro testing of high pressure pipe line. United Van Der Horst has successfully designed & supplied Hydro Tester of pressure rating 400 bar working pressure with efficient 150 bar pressure working Hydraulic cylinder assembly. An efficient Metal-Metal sealing surface provides maximum pressure drop of less than 2% at 30 minutes hold time.
Used in Rolling Mills for Handling Rolled Coils of 25 to 30 Tonne. Most parts of coil buggy cylinder's are Cast iron .Repair scope includes replacement of "Pressure Stamp", Hard chrome plating of sliding sealing surfaces, Replacement of Seals with OEM make. Pressure testing of cylinder assembly at the required pressure.
Pinion is a part of Rack -Pinion system of Mechanical Jack -Up rig, repair includes machining out the damaged bearing diameter on both NDE (non drive end) & DE (drive end) Weld build up with compatible weld electrode, Stress relieving, Finish machining & grinding of bearing diameters to maintain the tolerance as per requirement. All inspections are carried out under ABS supervision.
Repair of sealing surface by machining out worn out / damaged areas and weld build up by compatible weld electrodes, stress relieving, final machining, repair of thread holes etc. Inspection by classification societies like IRS, DNV, Lloyds, BV, GL etc.
All worn-out / damaged base material is removed till sound metal by machining. The valve is then welded by compatible electrodes and inlaid with satellite and machined to original dimensions and profiles. Stem is built up to standard dimensions by Hard Chrome plating, if required.
Re-conditioning of gears and shafts by the hard chrome plating technique, replacement or overhauling with other internal parts including testing of equipment.
United Van Der Horst is the authorized representative for supply of Yanmar Engine, spare and servicing of engine.
Pneumatic cylinders tested in accordance with ISO 10099 : 2001, Pneumatic cylinder final examination and acceptance. United Van Der Horst offers custom made cylinders and reconditioning services for all type of single acting, double acting, hydro-pneumatic cylinders for industrial applications like Counter Balance Cylinder, Cushion cylinder, Special purpose machine, CNC machine, etc. in diverse field as Paper industry, automobile industry, steel plant, non-ferrous metal plant as aluminum, copper, power plants food processing, etc. modified seals with latest technology and sealing profiles are available. The cylinders are suitable for dry air, lubricated air, various types of gases and media as specified by the customer. The cylinders are suitable for a service temperature of -200 C to +3150 C.
United Van Der Horst has successfully combined specialized welding technology and Hard Chrome plating techniques for the complete reconditioning of damaged or worn Piston Crowns. All ring grooves are built to standard size, top and bottom faces of grooves are chrome plated to reduce wear. Thee entire procedure are approved by classification societies like IRS, DNV, BV, Lloyds. Testing of final products is witnessed band certified by the respective classification society.
We are the main supplier of this product.
All kinds of plungers from various industries are repaired and reconditioned at our site using grinding and hard chrome plating technique. These are maintained to their original shapes and sizes.
United Van Der Horst has successfully combined specialized welding technology and hard chrome plating technology for the complete reconditioning of damaged or worn out components of diesel engines such as a) Crankshafts b) Liners c) Cylinder Heads d) Exhaust Valves e) Connecting Rods f) Pistons g) Engine Blocks (Crank cases). Hard chrome plating of ring grooves of piston crown for better sealing and wear resistance, porous chrome of engine liners for improved lubrication, satellite inlay on seating face of valve seat and valve spindle for wear resistance, straightening of crankshaft and maintaining the bearing diameters to its original dimensions by hard chrome plating. Since the past 2 decades United Van Der Horst has served the Industries with compete satisfaction. The entire procedure are approved by classification societies like IRS, DNV, BV, Lloyds.
Reconditioning of lift cylinders, steering cylinders, boom cylinders and load testing of equipment including power pack. Seals with latest technology and with modified sealing profiles are available.
Mandrels for water treatment plant can be repaired and re-conditioned by hard chrome plating and finish grinding on CNC cylindrical grinding machine to desired surface requirements. Mandrels as long as 12 meters and diameters up to 800 mm of can be re-conditioned.
Repair of shafts by grinding, chrome plating and bringing back to standard size, dynamic balancing, etc ( including Ash Blasting wherever necessary)
Repair of pipe bore by welding, machining of flange faces, repair of '0' ring grooves, repair of centralizer grooves, pressure testing up to 21, 000 PSI and preservative coating.
Removal of old sleeves, fabrication of new sleeves, machining, shrink fitting of new sleeves, machining and honing of ID to required size. Hubs used in cement, fertilizer and other industries are reconditioned.
