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Graco Inc. 309475F manual

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Table of contents for the manual

  • Page 1

    309475F Instr uctions/P ar ts List High Pressure Fluid Regulator s Important Safety Instructions Read all warnings and instructions in this manual. Sav e these instr uctions. II 2 G[...]

  • Page 2

    2 309475F Contents List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Flush Before First Use [...]

  • Page 3

    List of Models 309475F 3 List of Models Key to Model Designation Part No. Series Model T ype Maximum Fluid Inlet Pressure Regulated Pressure Rang e 233760 234266 B B P60-VP DN7 P60-VP DN7 npt Pneumatic 5000 psi (36 MP a, 360 bar) 70-900 psi (0.5-6 MP a, 5-60 bar) 233767 234264 B B P200-VM P200-VM npt Mechanical 5000 psi (36 MP a, 360 bar) 1300-3000[...]

  • Page 4

    Warning 4 309475F W ARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction an d result in ser ious injury . • This equipment is f or prof essional use only . • Read all instruction manuals , tags, and labels bef o re opera ting the equipment. • Use the equipment on ly for its intend ed pur pose. If y[...]

  • Page 5

    Warning 309475F 5 SKIN INJECTION HAZ ARD Spra y from the gun, hose leaks , or r uptured compo n ents can inject fluid into y our body and cause an e xtremely ser ious injury , including the need for amputation. Splashing fluid in the ey es or on the skin can also cau se serious injury . • Fluid injected into the skin might look like just a cut, b[...]

  • Page 6

    Introduction 6 309475F Intr oduction A fluid pressure regulato r is used in air-assisted spra y systems to e nsure accurate, positive control of f luid pressure to a spr ay gun, dispen sing valv e, or atomizing head. A regulator installe d at a circulating line tak e-off or pump reduces main line pressure to m aintain the desired fluid pressure to [...]

  • Page 7

    Introduction 309475F 7 Fig. 2. Cutaway of Mec hanic al Fluid Pressure Regulator Fig. 3. Cutaway of Pneuma tic Fluid Pressure Regulator TI1769A Adjustment knob Spring V alve plunger Adjustment knob Fluid inlet (fr om pump) Adjustment knob Fluid out let (to gun) TI1769A TI1774A Fluid Outlet (T o gun) Fluid Inlet (From pump) Diaphragm Air Inlet V alve[...]

  • Page 8

    Installation 8 309475F Installation 1. Install one regulator f o r each spra y gun. 2. Apply thread sealant to connections as necessary . 3. Make sure that the directio n of fluid flow agrees with the flow direction m arkin gs on the reg ulator body . a. Install a flui d pressure re gulator upstream of the gun: Connect the fluid line from th e pump[...]

  • Page 9

    Installation 309475F 9 Fig. 4. High pressure, non-circulatin g system, mechanical fluid regulator Key A B C M H J K L D B E F Fluid Fluid in Air in Air in to gun to pump Y G G H Z TI1763C A Air line filter B Bleed-type air shut-off valve C Pump air r egulator D Gun air regulator E Fluid hose FP u m p G Fluid drain v alve H Fluid shut-off valv e J M[...]

  • Page 10

    Installation 10 309475F Fig. 5. High pressure, non-circulatin g system, pneu matic fluid regulator Key A C D N B L F G H J K M G Air to Fluid Regulator Air to Gun Air to Pump F l u i d Fluid Y B A B Z E TI1764C A Air line filter B Bleed-type air shut-off valve C Pump air r egulator D Gun air regulator E Fluid hose FP u m p G Fluid drain v alve H Fl[...]

  • Page 11

    Installation 309475F 11 Fig. 6. High Pressure ci rculating system mechanical fluid re gulator and back pressure regulator Key TI1765A A B D J P L H Air supply Air to gun Fluid in to gun H A Air line filter B Bleed-type air shut-off valve D Pump air r egulator H Fluid shut-off valv e J Mechanical fluid regulator LG u n P Mechanical bac k pressure re[...]

  • Page 12

    Installation 12 309475F[...]

  • Page 13

    Operation 309475F 13 Operation Flush Bef ore First Use Y our pressure regulator has been tested in the f actory with an anti-corrosio n liquid. Before using the regulat or , thoroughly flush t he system with a solvent to re move residue of this liquid as w ell as any contaminants that hav e been introduced during assemb ly of the system. Pressure R[...]

  • Page 14

    Troubleshooting 14 309475F T r oubleshooting Relie ve the pressure (page 13) befor e checking or repairing the equipment . T o repair the regulator , refer to page 15. Prob lem Cause Solution Drop in fluid outlet pressure . Ruptured di aphragm (17) (pneu- matic regulators only). Replace diaphr agm. Air escaping (pneumatic regulato r s only). Check [...]

  • Page 15

    Maintenance 309475F 15 Maintenance Flushing 1. Relie ve the pressure. 2. Remove the spra y tip. Clean the tip an d set it aside. 3. Supply solvent to the pump. Star t the pum p . Use t he lowe st possible fluid pressure when flush ing. 4. Flush the gun, spra ying into a grounde d metal con- tainer until clean solv ent comes from the gun. 5. Relie v[...]

  • Page 16

    Parts 16 309475F Pa r t s Mechan ical Regulators P ar t Nos. 233767 (sho wn), 233768, 233814, 23426 0, 234264, and 234265 26 24 23 21 20 25 16 19 16 10 14 26 13 12 15 9 1 6 4 5 8 7 27 3 2 11 T o rque to 25 N•m (18.5 ft-lb). 1 1[...]

  • Page 17

    Parts 309475F 17 Mechan ical Regulators P ar t Nos. 233767 (sho wn), 233768, 233814, 23 4260, 234264, and 234265 Ref. No. Part No. Description Qty 1 HOUSING, low er 1 HOUSING, low e r (f or npt version) 1 2 15A238 PLUG, screw 1 3 117089 SPRING, compression 1 4 245367 SEA T , valv e 1 5 15Y030 O-RING 1 6 15Y031 O-RING 1 7 15A206 SUPPORT , ball 1 8 1[...]

  • Page 18

    Parts 18 309475F Mechanical Bac k Pressure Regulator s P ar t Nos. 233771, 233772 , 234268, and 234269 (sho wn) 26 24 23 21 20 25 16 19 16 10 14 26 13 12 15 9 1 6 4 5 27 2 11 1 T orque to 25 N•m (18.5 ft-lb). 1[...]

  • Page 19

    Parts 309475F 19 Mechanic al Back Pressure Regu lators P ar t Nos. 233771 , 233772, 234268, and 23426 9 Ref. No. Part No. Description Qty 1 HOUSING, low er 1 HOUSING, low e r (f or npt version) 1 2 15A238 PLUG, screw 1 4 245367 SEA T , valv e 1 5 15Y030 O-RING 1 6 15Y031 O-RING 1 9 245376 PLUNGER, valv e 1 10 15A217 HOUSING, packing 1 11 117112 O-R[...]

  • Page 20

    Parts 20 309475F Pneumatic Regulat ors P ar t No. 233813 and 234259 TI1749A 17 20 16 18 14 13 12 15 9 1 6 4 5 8 7 27 3 2 11 26 1 T orq ue to 10 N•m (7.5 ft-lb). 1 30 29 11[...]

  • Page 21

    Parts 309475F 21 Pneumatic Regulator s P ar t No. 233813 and 234259 Ref. No. Part No. Description Qty 1 HOUSING, l ower HOUSING, lower (npt v ersion only) 1 1 2 15A238 PLUG, screw 1 3 117089 SPRING, compression 1 4 245367 SEA T , valv e 1 5 15Y030 O-RING 1 6 15Y031 O-RING 1 7 15A206 SUPPORT , ball 1 8 117104 BALL, 5mm, carbide 1 9 245375 PLUNGER, v[...]

  • Page 22

    Parts 22 309475F Pneumatic Regulat ors P ar t Nos. 233760 (sho wn), 233769, 233770, 23426 6, 234270, and 234271 TI1745A 17 20 16 10 9 1 6 4 8 7 27 3 2 11 26 22 22 18 29 28 31 30 13 1 T orq ue to 10 N•m (7.5 ft-lb). 1 T orq ue to 12 N•m (8.8 ft-lb). 2 2 33 32[...]

  • Page 23

    Parts 309475F 23 Pneumatic Regulator s P ar t Nos. 233760 (sho wn), 233769, 233770, 23 4266, 234270, and 234271 Ref. No. Part No. Description Qty 1 15A187 15C298 HOUSING, lower HOUSING, lower (f or npt version) 1 1 2 15A239 PLUG, screw 1 3 117091 SPRING, compression 1 4 245370 SEA T , v alve 1 6 15Y031 O-RING 1 7 15A207 SUPPORT , ball 1 8 117107 BA[...]

  • Page 24

    Technica l Data 24 309475F T echnical Data *Accessor y Gauges A vailab le Category Data Maximum Fluid Inlet Pressure (Fluid Pressure Regulators) 233814, 23426 0: 2600 psi (18 MP a, 180 bar) 233760, 23376 7, 233768, 233769, 23377 0, 233813, 234259, 234264, 234265, 234266, 23 4270, and 234271: 5000 psi (36 MP a, 360 bar) Maximum P er manent Supply Pr[...]

  • Page 25

    Accessory Gauges 309475F 25 Accessor y Gauges Model Gauge 233760 118340 234266 118340 233769 118341 234270 118341 234770 118341 234271 118341[...]

  • Page 26

    Flow Rate Data 26 309475F Flo w Rate Data Maximum fluid flow with 10 weight oil, reg ulator wide open and no downstream restr ictions. Mounting Dimensions P ar t No. Inlet Fluid T est Pressure Inlet/Outlet Size Fluid Flow 233760 234266 5000 psi (36 MP a, 360 bar) 3/4 BSPP(F) 3/4 npt(F) 11.3 gpm (42.9 lpm) 233767 234264 3000 psi (21 MP a, 210 bar) 3[...]

  • Page 27

    Mounting Dimensi ons 309475F 27[...]

  • Page 28

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. This manual contains English. MM 309475 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 14[...]