BV-500 - Payalnik.com.ua
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1. BV 500 Spray Valve User Manual e R BAN SEOK 656 253 Sungsu 1ka Sungdong ku Seoul Korea TETI No ARH A2A400n EA NM Ny An ANG NN FT AAAI La zen ten za wn zl SN L A sen ten zen zm zl arm lrwm INWWE 0 CITE yana en ae agta om ole aaa Loge Contents Specifications How the Valve Operate Setup Adjusting the Spray Spray Patterns Troubleshooting Guide Valve Maintenance BV 500 Exploded View Drawing 0 Part List Ss a O SSeS YS T BAN SEOK 4656 253 Sungsu 1ka Sungdong ku Seoul Kore le mim mmm ls CN min ann nl ca Nee IT NAITO D E SUT EG tanana Le Zeite aa max Nga 1 Specifications Size 104 x 627 Weight Air cylinder body SUS 303 Fluid chamber SUS 303 Piston SUS 303 Piston return spring SUS 303 Needle and Nozzle SUS 303 Air cap SUS 303 Needle packings Teflon Packing spring Stainless steel Liquid inlet hole 1 8 NPT female Mounting 30 Thread UNC Operating frequency Exceeds 400 per minute Air pressure required 70 psi 4 8 bar Minimum mounting center distance 1 067 27 1 mm Standard nozzle diameter 0 7mm Optional nozzle sizes 0 3mm Spray patterns Round 2 How the Valve Operate BV 500 is a normally closed air actuated needle type spray valve that uses a Low Volume Low Pressure LVLP design for high transfer efficiency without overspray or airborne mist Air pressure from the TAD 400SR controller at 70 psi 4 8 bar acts ona piston that retracts the2. 2 Check needle stroke control knob is two turns open 3 Using an adjustable wrench loosen the nozzle one full turn then turn it back in and retighten This causes any small irregularities on the needle and seat to conform with one another and become a matched set 4 Restore actuating air and cycle the valve a few times then perform the leak test again 5 Steps 3 and 4 may be repeated up to three times to obtain satisfactory results 6 If the valve continues to leak after three attempts to reseat the needle replace the needle and nozzle mm lew IJNAITC EW QV ET sanang La zen ges zu a a ls nm Le Needle stroke reference control LT CLECE LELI 509 10 KIT Stainless Steel s 8 BV 500 Exploded View Thrust washer 513 Nozzle and Air Cap Assembly Snap ring 516 Round pattern Hound wide angle O ring 520 Nozzle Size Stainless Steel Stainless Steel 0 7mm 502 07 N A Piston and needle 0 3mm 502 03 N A assembly includes O ring Buna N 504 7 Air cylinder body 506 Stainless Steel Retaining washer 512 mms Packing spring 514 Ki Needle packing assembly eS NG 511 Ee a O ring 519 Fluid chamber 505 Stainless Steel Nozzle air cap TP see below T Nozzle air cap retainer CL 503 Stainless Steel e R BAN SEOK 656 253 Sungsu 1ka Sungdong ku Seoul Korea WW WW Tr NY ARQH AA400n TI EA NM NY ANT ANG NN E AAAI Lea z
3. needle from fully closing Disassemble the valve in accordance with the Maintenance Instructions Replace the packings if there is evidence of leakage b Nozzle air pressure may be too low Increase air pressure b he air passageway between the nozzle and air cap may be obstructed Remove the air cap and clean the air cap and nozzle gt If the fluid viscosity is too high it will not atomize Reduce viscosity Sungsu 1ka Sungdong ku Seoul Korea MA A T T OCANM NY ANT ANAN Cf NAA II TYO e hkimnmamamls GN aa xa za Le am New NAITO EW EST ET a xa maana kaaa a ah xa Le 7 Valve Maintenance Normal cleaning is accomplished by purging with appropriate solvent The air cap and nozzle can be removed Packing extraction s soaked in solvent and reinstalled without demounting the valve tool To thoroughly clean valve chamber and replace needle packing 1 Remove the needle stroke control knob and spring to prevent damage to the needle and nozzle during reassembly ZER 2 Remove the air cap retainer then the air cap nozzle and fittings from the liquid chamber 3 Remove the fluid chamber from the air cylinder body by turning counterclockwise until free Then remove the O ring from the fluid chamber LA a a 4 Clean the fluid chamber air cap and nozzle in appropriate solvent 5 Remove the needle packings from the fluid chamber using tool in the figure with the valve Insert through nozzle end of the fluid chamber and gently pus
4. 56 253 Sungsu 1ka Sungdong ku Seoul Korea TI ND ACA A PIO TAM NY ANT AGA fT AAAI La zen ten zen zm ml SL zen ten An mn ml an Le IAAIEPN CITE tananatr bema aaa an le 6 Troubleshooting Guide Valve Trouble No fluid flow Valve does not provide clean shutoff leaving a buildup on the nozzle Fluid continuously drips from the nozzle after the valve shuts off Fluid flows from the nozzle but will not spray BE BAN SEOK 656 253 Possible cause and correction gt If valve operating pressure is too low the valve will not open Increase air pressure to 70 psi 4 8 bar minimum b The reservoir air pressure may not be high enough Increase pressure b The nozzle may be clogged Clean the nozzle b The stroke adjustment control may be closed If it is closed open counterclockwise one turn b The control and the nozzle air lines may be reversed Check for proper connection b Nozzle air pressure may be too low Increase air pressure gt Nozzle air time delay is too short Increase time gt A continuous drip can be caused by improper seating of the needle in the nozzle seat Remove the nozzle clean the needle and nozzle replace worn or damaged parts gt If the liquid chamber has not been fully turned onto the air cylinder body during reassembly the needle will not seat in the nozzle Check to be sure the liquid chamber is properly installed b Needle packings may be binding due to leakage preventing the
5. en ten za zm zl SN L A en ten zm rel axle TIAAIE 0 CUTE yananat La zen ten zen zm ml an le 9 Drawing D QQOHODOQAAODH JL mee NG NGA Naa Y Hal LU Ile ta SA 19 e P BAN SEOK 656 253 Sungsu 1ka Sungdong ku Seoul Korea TETI NY ACA AA100 TI EA NM Ny ANT ANG AN FT AAAI hannan L r Nkanmnaaal A Le IANI 10 Part List aa a Ter O C0O rN MD o R iW ND Air Cap Nozzle Nozzle Air Cap Retainer Needle Fluid Chamber Air Cylinder Body Piston Stroke Housing Stroke Control Reference Stroke Control Knob Needle Packings Retaining Washer Thrust Washer Packing Spring Piston Return Spring Snap Ring O Ring O Ring O Ring O Ring Set Screw Label P BAN SEOkK 656 253 Sungsu 1ka Sungdong ku Seoul Korea Le in em ew ILS ON mK Ke lS SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 SUS 303 TEFLON SUS 303 NYLON SUS 303 SUS 303 SUS 303 VITON VITON VITON VITON ma Le IAAIE OD CITE namana D 6 4 x d 1 2 x L 10 D 6 4 x d 1 2 x L 30 a Gg is a NP at Lage
6. h out the packings see Figure 1 Needle packings s Do not use sharp instruments to scrape or clean these components Scratches may cause the valve to leak 6 Remove any remaining packings and the spring from the needle DDDY Figure 1 Pushing needle packings from the fluid chamber Packing Air cylinder body Retaining expander 7 Clean the needle with a cloth dampened in solvent d washer Packing seat 8 Lubricate the needle with Grease and reinstall the needle packing spring i and packings in accordance with Figure 2 9 Install a new O ring 519 on the fluid chamber Screw the air cylinder onto the fluid chamber Hand tighten only The chamber can be backed off 72 turn oo from the air cylinder body to orient fittings O ring Ll Needle 10 Reinstall the nozzle air cap retainer and fittings Reinstall the needle SS Spring packings stroke control and spring Back to the desired setting Figure 2 Proper assembly order for reinstalling needle packings e P BAN SEOK 656 253 Sungsu 1ka Sungdong ku Seoul Korea Tr NYDN AOA ANDAA IEAN NY A17 AATA 2 AAAI KaRa sall Sen za ten an an zl RR Le NUIWE0 CITE anan La za ten za an zl axle 7 Valve Maintenance To replace the piston and needle assembly or the piston O ring 1 Remove the needle stroke control knob by turning counterclockwise until free 2 Remove the piston return spring and thrust washers located on each end of the spr
7. ing 3 Remove the snap ring using snap ring pliers 4 Pull the piston and needle assembly out of the air cylinder using small pliers on the spring pilot at the top of the piston Note The piston and needle assembly is replaced as a unit and cannot be disassembled 5 Clean the air cylinder body wall and apply lubricant 6 Reinstall a new O ring on the piston apply lubricant to the needle and O ring then reinstall in the air cylinder 7 Reinstall the snap ring 8 To reinstall the piston return spring first put one thrust washer over the spring pilot then the other thrust washer into the needle stroke control followed by the spring 9 Reinstall the needle stroke control knob by aligning the piston return spring with the spring pilot Turn the needle stroke control clockwise until it stops and then back it out to the desired setting LE BAN SEOK 4656 253 Sungsu tka Sungdong ku Seoul Korea Note After performing maintenance the valve should be leak tested before it is returned to service To leak test the valve 1 Set the needle stroke control knob at two turns open 2 Shut off actuating air Install an air hose in the valve s fluid inlet and connect it to a 100 psi 7 bar air supply 3 Submerge the nozzle in a container of water If air bubbles appear perform the following procedure to reseat the parts To reseat the needle and nozzle assembly 1 Disconnect or shut off all air to the valve
8. nce ring mark 2 The Stroke Control Reference allows you to calibrate the stroke control setting or document the dispensing process To calibrate close the stroke control knob all the way Loosen the set screw and turn the reference ring so the zero on the ring aligns with one of the two reference marks on the valve body When the set screw is tightened the valve is calibrated en ae agta om ole aaa Loge 4 Adjusting the Spray 5 Spray Patterns Check to be sure steps under Round Pattern Spray Area Coverage Setup have been completed then proceed to adjust the splay Nozzle Distance from the Work Surface 1 Using the needle stroke Nozzles 6 control knob on the BV 500 25 40 mm 50 80 mm 76 20mm 152 40 mm valve set the fluid flowrateto nn hanna na aa aan one or two drops per second 501 07 0 200 0 400 0 600 1 200 Check flow rate by actuating 07mm 5 08mm 10 16mm 15 24mm 30 48 mm the controller in the time 4 000 override mode Make valve 501 03 0 170 0 340 0 500 stroke adjustment when the 0 3mm 432mm 8 64mm_ 12 70mm 25 40 mm controller is off 2 Set the nozzle air pressure on the TAD 400SR controller to 10 psi and actuate the controller The valve will produce a fine spray To change fluid flow use the needle stroke control knob To change nozzle air use the nozzle air pressure regulator Higher pressures will provide finer spray P BAN SEOK 6
9. needle from its nozzle seat 3 and allows liquid to flow from the nozzle At the same time nozzle air also from the TAD 400SR is turned on and flows from an annulus around the liquid nozzle Piston and Needle This adjustable nozzle air creates a pressure drop around the nozzle causing the liquid to atomize into fine droplets When the timed actuating air from the TAD 400SR shuts off the piston spring moves the needle onto the nozzle seat shutting off liquid flow A preset nozzle air delay ensures that no liquid remains on the nozzle after the valve closes eliminating after deposit spatter 2 Needle 3 Nozzle 4 Nozzle seat 5 Annulus The amount sprayed is controlled by the valve open time tank pressure and needle stroke Area of coverage is determined by the nozzle size and the distance between the BV 500 nozzle and the work surface e P BAN SEOK 656 253 Sungsu 1ka Sungdong ku Seoul Korea TETI No ARH A2A400n EA NM Ny An ANG NN FT AAAI La zen ten za wn zl SN L A sen ten zen zm zl arm lrwm INWWE 0 CITE yana 3 Setup 1 Close needle stroke control knob fully clockwise then set at one turn open This is a starting point only Final setting will be determined by the desired flow rate 2 Check the nozzle air gauge If not at zero turn the regulator knob clockwise to turn off the nozzle air Stroke control knob EEN um III Set screw Stroke ff reference Refere
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