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AccuStream AccuValve On/Off Valve, Manual

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AccuStream AccuValve On/Off Valve Manual Download Page 4

AccuStream Cutting Systems 

  

2 

13084 ON/OFF VALVE & CUTTING HEAD MANUAL 

 

2

 

Safety 

2.1

 

Operation and Maintenance Safety 

Failure to wear proper safety gear can result in personal injury or death. Safety shoes, hardhat, hearing 
protection and other personal protective equipment are strongly recommended. 

 

High-pressure waterjet can cause eye injury. Wear eye protection when 
operating or working near the machine. 

 

Wear ear protection when operating or working near the machine to reduce the 
risk of hearing loss. 

 

Airborne contaminants or suspended particles may exist when cutting certain 
materials.  Wear respiratory protection when these conditions are present. 

 

WARNING

•

 

Before starting any service or maintenance, to the valve and/or 
cutting heads ALL water pressure must be removed from the 
system.   

•

 

Isolate the water pressure from the on/off valve by dumping the 
pump pressure or 

closing

 the manual isolation valve. 

 

•

 

Read the instructions in all sections of this manual before performing any maintenance on the 
valve.  Important information is contained throughout this manual to minimize hazards and wear 
on the machine. 

•

 

Use the proper tools required for specific procedures.  When special tools are called for, make 
sure to use them because they are specifically designed to make the job easier and prevent 
damage to the equipment. 

•

 

Remove all tools from the work area before starting the machine. 

Summary of Contents for AccuValve On/Off Valve

Page 1: ...Models AccuValve On Off Valve A2 Cutting Head DiaLine Cutting head 13084 ON OFF VALVE CUTTING HEAD MANUAL ...

Page 2: ...nstallation 6 4 3 Valve Body Maintenance 7 Valve Body Components 7 4 4 Actuator Maintenance 9 Actuator Housing Disassembly 9 Actuator Reassembly 10 Cutting Heads 11 4 5 DiaLine Cutting Head 11 Installing the DiaLine Head 11 4 6 A2 Cutting head 12 Installing the A2 Cutting Head 12 4 7 Replaceable Parts 13 Optimal Cutting Parameters 14 4 8 Troubleshooting Cutting head 15 5 Drawings and Parts Lists 1...

Page 3: ...blems contact Accustream to resolve the issue AccuValve with the DiaLine cutting head AccuValve with the A2 cutting head Accustream diamond orifice assemblies come with a 500 hour limited warranty against manufacturer defect Damage caused by contamination is not covered To avoid in line contaminants from damaging the diamond orifice assemblies Accustream suggests using a thimble filter assembly Co...

Page 4: ...ear respiratory protection when these conditions are present WARNING Before starting any service or maintenance to the valve and or cutting heads ALL water pressure must be removed from the system Isolate the water pressure from the on off valve by dumping the pump pressure or closing the manual isolation valve Read the instructions in all sections of this manual before performing any maintenance ...

Page 5: ...any high pressure plumbing Plumbing supports and guides must be used for all HP tubing exiting the pump Failure to do so can introduce excessive bending stress and fatigue through vibration causing a premature failure of the plumbing and heighten the risk of personal injury due to an unexpected rupture Always use two wrenches when tightening or loosening HP connections one for the gland nut and on...

Page 6: ...ing water Poor water quality may require other types of treatments to remove the high levels of TDS One approach is to have the local water conditioning company provide de ionizing DI tanks on an exchange basis or install a reverse osmosis RO system The RO approach is best for high gallon per day users Water Treatment Guidelines High Quality Water TDS 50 ppm No treatment required Good Quality Wate...

Page 7: ... can be direct mounted to the cutting head for water or abrasivejet cutting see Mounting Collar below or it can be remote mounted with separate plumbing from the valve to the cutting head The valve can also be remotely mounted on the cutting head 4 1 Specifications Fluid pressure Operating pressure 60 000 psi water max Actuator Air Pressure 60 80 psi to open Weight Valve Only 2 5 pounds Valve w Mn...

Page 8: ...aline assembly This filter can be purchased separately Other mounting options are also available 1 To install the mounting collar transfer drill and tap two 5 16 18UNC holes into the Z axis faceplate NOTE For proper alignment the mounting holes must be 1 625 in 41 275 mm from center of holes apart See illustration above 2 With the adapter and seat removed from the valve body slide the valve body d...

Page 9: ...the valve body with two wrenches 9 Turn the actuator off this will seat the needle into the seat 10 Turn on the pump or open up the manual isolation valve to apply high pressure water to the valve 11 Flush the lines by actuating the on off valve with brief pulses After five to ten pulses the lines should be flushed and free of contamination The cutting head can now be installed onto the adapter Se...

Page 10: ...be re used it must be cleaned A 093 drill bit can be used to manually remove this material Installing new valve body components 1 Place the needle bearing over the needle with the needle going through the vent hole side 2 Place the valve seal with the o ring side out over the end of the needle 3 Lubricate the o ring on the valve seal and insert into the top of the valve body until the needle guide...

Page 11: ...Over time abrasives can accumulate inside the housing The o rings will show wear and the springs may lose some of their force Replace all worn parts springs exhaust vent piston seal and o rings Actuator Housing Disassembly 1 Remove the air fitting from the top of the actuator 2 Remove the Retainer cap from the bottom of the actuator 3 Place the actuator in a large vise and tighten the vise just en...

Page 12: ...NOTE The Poly Seal ring should be oriented on the piston so that the lip side of the seal is facing down toward the air cylinder area of the actuator 6 Align the Retainer Cap tabs with the slots in the Housing 7 Place the assembled parts with the Retaining ring in place into a vise to hold the assembly together 8 Tighten the vise until the outer diameter of the cap just aligns with the inner groov...

Page 13: ... and mixing chamber are replaceable The Nozzle Nut provides an additional alignment to the nozzle and helps in the removal of the nozzle if it is broken Installing the DiaLine Head NOTE Always use AccuGoop on metal to metal mating surfaces such as threads and the orifice retainer adapter contact area 1 Make sure that the top of the head and bottom of the adapter are clean washed out if necessary 2...

Page 14: ...ecure the mixing chamber 5 Reassemble the DiaLine head and thread the head back on the adapter 4 6 A2 Cutting head The A2 Cutting head has two abrasive inlets to allow a connection to the head from either side depending on the system setup and configuration A nut and plastic collet hold the nozzle in location Ruby orifices and long life diamond orifices are available Diamond orifices include a car...

Page 15: ... the diamond orifice may stick inside the abrasive head Stuck orifices can be removed from the head by blowing shop air in the side abrasive inlet port Filtration The 12533 Thimble Filter in line filter optional is strongly recommended to protect the orifice from larger particulates in the water The assembly threads into the valve body just above the head and helps to protect the orifice from any ...

Page 16: ...d 006 The most common orifice sizes for abrasive are 010 and 014 As a rule the starting nozzle to orifice ratio should be 3 to 1 Example A 010 orifice should have a 030 ID nozzle The following table gives the most commonly used nozzle combinations with their abrasive usage Nozzle and orifice combinations Orifice Nozzle Abrasive pounds min Abrasive Mesh 007 020 25 120 220 009 030 4 6 80 120 010 030...

Page 17: ...um leak check inlet tube connection Abrasive not drawing into head properly Smaller combinations such as 007 020 may need to have the nozzle lowered about to induce more vacuum Can t unplug nozzle Put nozzle upside down in head and cycle jet on off Leak Points Causes and Solutions Item Problem Solution 1 Seal Weep hole Replace Valve Seal kit 2 Inlet Weep hole Tighten inlet fitting 3 Leakage at bot...

Page 18: ...AccuStream Cutting Systems 16 13084 ON OFF VALVE CUTTING HEAD MANUAL 5 Drawings and Parts Lists Actuator Assembly12828 ...

Page 19: ... Life Nozzles 11219 030 30 281 x 030 x 3 000 11219 040 30 281 x 040 x 3 000 11219 030 40 281 x 030 x 4 000 11219 040 40 281 x 040 x 4 000 281 Roctec 500 Long Life Nozzles 11277 020 20 281 x 020 x 2 000 11277 030 30 281 x 030 x 3 000 11277 040 30 281 x 040 x 3 000 11277 030 40 281 x 030 x 4 000 11277 030 40 281 x 030 x 3 000 11277 040 40 281 x 040 x 4 000 TABLE 3 AccuStream Standard Orifice 11007 X...

Page 20: ...AccuStream Cutting Systems 13084 ON OFF VALVE CUTTING HEAD MANUAL ...

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