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AccuStream AccuValve On/Off Valve, Руководство пользователя

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AccuStream Cutting Systems 

  

5 

13084 ON/OFF VALVE & CUTTING HEAD MANUAL 

4

 

AccuValve On/Off Valve 

The 

Accustream On/Off Valve

 (AccuValve) is an ultra high-pressure valve used to control the flow of 

water for waterjet cutting applications. 

The On/Off valve is a normally closed (air to open, spring closed) valve that 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/Mntg Collar and Abrasive Head 

5.5 pounds 

Size 

Valve Only 

3.1” dia x 5” 

Valve with Abrasive Head 

3.1” dia x 11.6” 

 

Содержание AccuValve On/Off Valve

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

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

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

Страница 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...

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

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