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  • Gate, Globe Check Valve Rev.1 - Trueline

    BALL VALVE ASSEMBLY AND MAINTENANCE PROCEDURE GATE, GLOBE AND CHECK VALVES ASSEMBLY AND MAINTENANCE PROCEDURE REF. DOC.MMM.GGCH2920 Rev. 1 – March 2009 4 1. Important Features of Construction Operation GATE VALVE Gate Valve comprises of taper wedge, situated in between two-body seat rings, having included angle of 8 to 10 range.

  • 文件大小: 463KB
  • Gate Valve Lapping - Kemet

    Gate Valve Lapping. Gate Valves or Sluice Valves are widely used within the oil and gas sectors to control the flow of fluids and gases. They are rarely used to regulate the flow, more commonly, they are a simple but effective way of either shutting off flow, or fully

  • Valve maintenance - YouTube

    Oct 31, 2016  our blog our facebook page our google plus . correct assembly procedure for the Perolo 3 / ND80 Atco ball valve. Flowserve Control Valve Maintenance Training. This is an instructional video on how ...

  • 作者: Allan Theriault
  • Lapping and Checking Valves (EASY WAY) - YouTube

    Sep 26, 2016  Just lapping some valves Update: Since of this video's release to 12/25/17, the engine has no major problem. The engine is used to drive around 30 miles a day, and yes, I know that too much ...

  • 作者: NA Nubilous
  • INSTALLATION, OPERATION, MAINTENANCE MANUAL

    B) The action switching procedure is described in Section 7. 2. Storage A) Do not throw, drop, trip or drag control valves when transporting them. B) Keep all parts of the control valve in a well-ventilated place protected from fire, rain and wind. Store the valve at a temperature between -

  • Lapmaster LBVS250 Ball Valve Lapping System - YouTube

    Jun 24, 2013  Lapmaster LBVS250 Ball Valve Lapping System Precision Surfacing Solutions ... ready to use and is suitable for lapping components from 100mm diameter up to 250mm diameter. ... Ball Valve Lapping ...

  • 作者: Precision Surfacing Solutions
  • Types of Gate Valve and Parts - A Complete Guide for Engineer

  • LAPPING VALVE SEATING SURFACES - us-products

    through 12 and continue with the lapping procedure using the “P” compound in step 13. Step 15: As part of the final inspection, measure the nozzle seat width with the 7x measuring magnifier according to the valve manufacturer’s instructions, if any. SUCCESS STRATEGIES Keep the following in mind when lapping valve discs or nozzle seats:

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  • Orbit valve grinding and lapping machine.mov - YouTube

    Feb 10, 2011  V-Tec Orbit portable grinding and lapping machine for gate-, parallel slide-, check-, globe and safety valves. ... Orbit valve grinding and lapping machine.mov ... Gate Valve Gland Packing, ...

  • 作者: Ventil Test and Repair Equipment
  • How To Lap Valves - Restore An Old Car

    How To Lap Valves Article by Mark Trotta. Lapping valves doesn't take the place of a valve job, but it does show if the mating surfaces are compatible. Back in the day, this is one of the things that was taught in high school auto shop. Sure, it's old school, but you need to know how to lap valves if you want your engine to operate at peak ...

  • Zero Seat Leakage Tolerance Power Engineering

    Zero Seat Leakage Tolerance. ... because more seat material will need to be removed during valve lapping. This reduces the life of the valve. ... this seat reduction procedure on gate and check ...

  • What Every Ship's Junior Engineer Should Know about Globe ...

    This article is about globe valves, the different types of valves, their characteristics and classifications. It explains the maintenance procedures, the dismantling, overhauling, and the assembly of the valves. It also discusses the different procedures by which the globe valve should be tested. It illustrates the different parts of a globe valve with an illustration.

  • Valve Lapping and Grinding Equipment - Dupill Group Companies

    Valve Lapping and Grinding Equipment. The LarsLap valve lapping system comprises a number of basic models that cover virtually every type of valve, from 1/4" to 52" (8mm - 1300 mm) in diameter.

  • INSTRUCTION MANUAL FOR INSTALLATION, OPERATION

    C. REPAIR OF GATE VALVES . 1. Valve Disassembly. Have replacement gasket available. Shut off line pressure and remove valve from line. Unwedge the disc. Remove bonnet bolting and carefully lift bonnet assembly with disc from body. 2. Procedure for Lapping Disc. Apply Grade 80 or 120 emery cloth to flat surface. Lay disc face on abrasive and use

  • Valve Maintenance Repair Training - CRANE Nuclear

    • Perform blue checking a valve disc and seat and explain the results. • Perform and discuss the basic procedures for lapping a valve seat. • Perform and discuss unpacking and repacking a valve. • Discuss the principles of operation and the applications and limitations of gate, globe, check, and pressure seal valves.

  • VM1150-1200 Gate Valve Grinding Lapping Machine

    Mrz-06 / VM1150-1200 Gate Valve Grinding Lapping Machine Brochure.doc Page 1 of 9 Climax Gate Valve Grinding Lapping Machines Model Numbers VM1150, VM1200 Valve Seat Diameter Range: 1.25”-8.0” (32mm-200mm)

  • Operation and Maintenance of different valve types

    R. Arztmann: Operation and maintenance of different valve types _ 4 2.2 COP® Valve design The COP® valve is a poppet valve of special design. The valve guard, poppets, springs and wear shims are conventional. The valve seat on the other hand is made of two pieces. A seat plate covers the seat body. This plate is a wear part.

  • Weir Power Industrial

    Weir Power IndustrialFirst choice for power and industrial protection 5 Hopkinsons FULL BORE VENTURI PARALLEL SLIDE GATE VALVES PI-0309 Volume production of gate valves for low/ medium general purpose industrial duties. Full bore parallel slide gate valves in low carbon steel for a nuclear power plant. The Hopkinsons Full Bore Venturi ...

  • Valve Repair - ITC Learning

    Course 1 – Gate Valve Repair. Prerequisites: This lesson is designed for participants familiar with the operation of gate valves and the proper use of hand tools and precision measuring instruments.. Description: This lesson addresses the procedures for disassembly, inspection, and reassembly of a typical gate valve.The lesson covers the locations and functions of valve components.

  • Valve Grinding Lapping Machines - Climax Portable

    Lightweight for easy handling and installation, our valve grinding and lapping machines span working ranges for gate valves from 1.3 to 39.4 inches (32 to 1000 mm). During operation, you can quickly change grinding disks and adjust the grind pressure. Solid construction, sealed lubrication and pre-loaded bearings ensure long life and low ...

  • Internal Valve Lapping machine - Kemet

    The Kemtech 15 Internal lapping machine is specially designed to accurately lap internal valve faces up to 300mm in diameter, producing a flatness of 0.001mm. Anything from a standard matt finish to a high mirror polish can be obtained.

  • Valve Grinding Lapping Machines - Climax Portable

    Lightweight for easy handling and installation, our valve grinding and lapping machines span working ranges for gate valves from 1.3 to 39.4 inches (32 to 1000 mm). During operation, you can quickly change grinding disks and adjust the grind pressure. Solid construction, sealed lubrication and pre-loaded bearings ensure long life and low ...

  • Internal Valve Lapping machine - Kemet

    The Kemtech 15 Internal lapping machine is specially designed to accurately lap internal valve faces up to 300mm in diameter, producing a flatness of 0.001mm. Anything from a standard matt finish to a high mirror polish can be obtained.

  • GATE, GLOBE CHECK VALVES ASSEMBLY MAINTENANCE

    Gate Valves ... Lubricate the spindle-threading portion and operate the valve 2/3 times. Procedure for repairs to seat and wedge/plug surface: ... Rectification of seat surface is same as specified in Gate and Globe Valve After lapping disc seat ring, assemble the hinge/bracket/disc assembly as

  • VALVe mAchInInG And TesTInG TechnoLoGY

    07 porTABLe GrIndInG LAppInG mAchInes unigrind VenTA options: • Lapping equipment (lapping paste and lapping disks) • Micro finishing film abrasives grit P80–1800 and 4000 • Working depth extensions • slight changes in working range • customized grinding tools • Additional tools for grinding gate valve seats with VenTA 150 in work shop

  • How To: Lapping Safety Valves - Kemet

    Lapping Safety Valves. Kemet Diamond Lapping machines are ideally suited for lapping and repairing safety valves. The safety valve seat can be easily and reproducible be lapped in under 5 minutes using our diamond technology. Flat parts are produced meaning that there will be no seal leakage.The process can be applied to almost any material ...

  • What is Lapping? - Lapmaster Wolters

    What is Lapping? What is Lapping? Define Lapping: The term "lapping" is used to describe a number of various surface finishing operations where loose abrasive powders are used as the grinding agent at normally low speeds. It is a process reserved for products that demand very tight tolerances of flatness, parallelism, thickness or finish.

  • gate valve lapping procedure - OCMD

    gate valve lapping procedure – Gulin Hot-sale According to mining process, Gulin can supply you all kindes of new procedures Superfinish grinding instead grinding and lapping stone for valves . gate valve lapping procedure. SEM has been serving the stone crushing grinding industry for over 20 years, it is one of the most famous ...

  • Gate Valve Lapping Procedure - haagdeko.de

    Valve repair equipment back to valve test repair equipmentolirand-controlled, battery driven grinding and lapping machine for flat and conical seatsorerbit portable grinding and lapping machine for gate, parallel slide, check and safety and globe valves morero-dualtationary grinding and lapping machine moreitan.

  • Gate Valve Lapping Procedure - venezuela-guide.de

    Gate Valve Lapping Procedure. ... the suction glass on the lapper and stick it on the valve confront once the lapper is getting the valve you start the lapping procedure lapping valve seating surfaces vital to pressure and safety relief valve repair is the condition of

  • VM1350-1600 GATE VALVE GRINDING LAPPING

    VM1350-1600 GATE VALVE GRINDING LAPPING MACHINE Powerful • Wide working range: nominal diameter of 1.5 - 48 inches (40 -1200 mm). • Submersion depth up to 55 inches (1400 mm). • Heavy duty drive chains provide minimum of 10,000 hours of service. Versatile • Drive system uses a drive chain up to three sizes larger than the competition ...

  • Comparison between Gate and Globe Valves, Cautions ...

    This article discusses the applications of gate valves on board merchant ships worldwide and their design limitations. The classification of the valves can be done on the basis of working pressure, material used for construction, and the shape of the gate. The comparison between gate and globe valve is done and the good points have been pointed out.

  • Product Support 030605 - Steam Forum

    INDEX Hopkinsons 2 Weir Valves ControlsFirst choice for process protection WVC-HOP001-R0 Weir Valves Controls 4 The Hopkinson Story 6 - 17 Company Milestones 18 Boiler Mountings Valves 18 Parallel Slide Gate Valves (a) Operating Design Features 19 - 20 (b) Product Application 20 (c) Hopkinsons Product Range Features 20 (d) Valve Construction 20 (i) Back Seating

  • Gate Valve Maintenance Adjustment Procedures

    1. Allen Wrench for 1.5”—14” Gate Valves 2. 1/2” Box Wrench for 16”—21” Gate Valves 3. O-Ring Pick 4. Rubber Gloves 5. Grease – Apezion L O-Ring Type 6. IPA B. Procedure: Always wear Rubber Gloves when handling the Gate Valve 1. Vent station and pump corresponding to Gate Valve to atmosphere. 2. Actuate valve to Gate Open ...

  • Gate, Globe Special Purpose Valves

    Volume production of gate valves for low/ medium general purpose industrial duties. Full bore parallel slide gate valves in low carbon steel for a nuclear power plant. The Hopkinsons Full Bore Venturi design of stop valve are our standard recommendation when a gate valve is required for steam or feedwater duty in the medium and high pressure ...

  • Comparison between Gate and Globe Valves, Cautions ...

    This article discusses the applications of gate valves on board merchant ships worldwide and their design limitations. The classification of the valves can be done on the basis of working pressure, material used for construction, and the shape of the gate. The comparison between gate and globe valve

  • Product Support 030605 - Steam Forum

    INDEX Hopkinsons 2 Weir Valves ControlsFirst choice for process protection WVC-HOP001-R0 Weir Valves Controls 4 The Hopkinson Story 6 - 17 Company Milestones 18 Boiler Mountings Valves 18 Parallel Slide Gate Valves (a) Operating Design Features 19 - 20 (b) Product Application 20 (c) Hopkinsons Product Range Features 20 (d) Valve

  • Gate Valve Maintenance Adjustment Procedures

    1. Allen Wrench for 1.5”—14” Gate Valves 2. 1/2” Box Wrench for 16”—21” Gate Valves 3. O-Ring Pick 4. Rubber Gloves 5. Grease – Apezion L O-Ring Type 6. IPA B. Procedure: Always wear Rubber Gloves when handling the Gate Valve 1. Vent station and pump corresponding to Gate Valve to atmosphere. 2. Actuate valve to Gate

  • Gate, Globe Special Purpose Valves

    Volume production of gate valves for low/ medium general purpose industrial duties. Full bore parallel slide gate valves in low carbon steel for a nuclear power plant. The Hopkinsons Full Bore Venturi design of stop valve are our standard recommendation when a gate valve

  • NAVAL SEA SYSTEMS COMMAND JOINT FLEET

    A. The purpose of this document is to publish mandatory procedures for the preparation, utilization, and invocation of Work Items as directed by NAVSEAINST 9070.1 (Series) for repair and alteration of U.S.

  • What grit to use for lapping the valves - Pelican Parts Forums

    I'm pulling the motor apart in a couple weeks for new pistons and cylinders and to fix some oil leaks. the heads were done 30k miles ago so I planned on just re lapping the valves. what grit of clover lapping compound should I use. I also planned on lapping

  • Ball Valve Repair 101 - Valve Magazine

    From time to time, we are re-posting well-received or particularly valuable articles that have previously run on VALVEMagazine so that those who might have missed them will be able to catch up on the best of the best. This article, “Ball Valve Repair 101

  • torrentee

    Defects having a depth exceeding 0.8 mm (1/32") cannot be repaired by lapping. In this case, parts must be replaced. It is recommended that the face of the disc be blued to check for contact of seating surface after final lapping. For re-assembly of valves use the procedure

  • Instruction Manual for Bellow Seal Valves

    Instruction Manual for Bellow Seal Valves ... Gate valve in cast construction. The prefix “T” denotes Tested. ... If the defects are found, we recommend lapping the sealing surface by cast iron plate. 11.

  • Sliding Gate Valves Schubert Salzer Control Systems

    Sliding Gate Valves by Schubert Salzer Schubert Salzer’s sliding gate products were developed as an efficient alternative to conventional control valves. The design is uniquely simple, but is intelligently

  • How to Rebuild a Gate Valve - DIY Guide for Piping ...

    Gate valves are a simple valve that, unlike most other types of valves, do not depend on rubber gaskets to make a seal. Instead, they use guides and a "gate" made of metal to stop and start flow. The multi-turn handle makes operation simple and smooth. Every so often, however, it may help to know how to rebuild a gate valve. Problems with gate valves

  • INSTRUCTION MANUAL FOR INSTALLATION, OPERATION

    b. lubrication and maintenance of crane gate and globe valves 2 - 4 1. lubrication 2. maintenance (packing gland) 3. maintenance (injection type) c. repair of gate valves 2 - 3 1. valve disassembly 2. procedure for lapping disc 3. procedure for lapping seat ring 4. procedure for making up bonnet joint 5. reassembly d. repair of globe valves

  • VM1350, VM1500, OR VM1600 GATE VALVE GRINDING LAPPING ...

    vm1350, vm1500, or vm1600 gate valve grinding lapping Home > Products > Valve Repair Machines > Valve Grinding Lapping Machines > VM1350, VM1500, OR VM1600 GATE VALVE GRINDING LAPPING Available in six configurations, able to grind and lap gate and check valve

  • Gate Products Subsea.Org

    May 10, 2019  Sr Gate Valve Engineer Jobs in Houston, USA Design, analyze and test new subsea systems and products. Gate Valve And Butterfly Valve Products Gate Valve And Butterfly Valve