Page 2 - Warning Symbol; Caution Symbol; CAUTION; WARNING; EQUIPMENT MISUSE HAZARD
308325 2 Table of Contents Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . O...
Page 3 - INJECTION HAZARD; TOXIC FLUID HAZARD
308325 3 WARNING INJECTION HAZARD Spray from the gun, leaks, or ruptured components can inject fluid into your body and cause extremelyserious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can alsocause serious injury. D Fluid injected into the skin might look ...
Page 4 - Installation; Introduction; Pressure Relief Procedure
308325 4 Installation Introduction Fluid pressure regulators are used for accurate,positive control of the fluid pressure to spray guns,dispensing valves or atomizing heads. Regulators installed at circulating line take-offs orpumps are used to reduce main line pressure andmaintain the desired fluid...
Page 5 - Spring-Operated Regulator Installation
308325 5 Installation Fig. 1 Spring-Operated Regulator Installation Models 236081, 236216 (without gauge) 236449, 236450, 241976 (with gauge) KEY A Fluid supply B Inlet ball valve C Outlet ball valve D Air filter and regulator E Back pressure valve F Fluid return G Air supply 1 Regulator adjustment ...
Page 6 - Operation; Regulating Fluid Pressure; Flushing Procedure
308325 6 Operation CAUTION D The new system must be cleaned and tested thoroughly before admitting fluid to the regulatorto avoid contaminants clogging or damaging theregulator. D Always use the lowest possible air and fluid pressures for your application. High pressurescan cause premature spray tip...
Page 7 - Notes
Page 8 - Service; Air Operated Regulator
308325 8 Service Air Operated Regulator Disassembly 1. Shut off the pump. Close the ball valve at theregulator’s air inlet. Refer to Fig. 2, page 5. 2. Release all the air and fluid pressure in theregulator and disconnect the air and fluid lines. 3. Remove the regulator from the system. Removethe ei...
Page 10 - Spring Operated Regulators
308325 10 Service Spring Operated Regulators Disassembly 1. Shut off the pump. Close the ball valve at theregulator’s fluid inlet. Refer to Fig. 1, page 5. 2. Release all fluid pressure in the regulator anddisconnect the fluid line. Remove the regulatorfrom the system. 3. Turn the adjustment handle ...
Page 12 - Troubleshooting
308325 12 Troubleshooting NOTE: Check all possible remedies in the Troubleshooting Chart before disassembling the fluidregulator. WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4. Problem Cause Solution...
Page 13 - Parts; Spring-Operated Regulators
308325 13 Parts Spring-Operated Regulators 3 to 30 psi (.02 to 0.2 MPa, 0.2 to 2.1 bar) Regulated Pressure Range Model 236081, Series A, includes items 1 to 20 (no gauge)Model 236449, Series A, includes items 1 to 20, and 30 (30 psi gauge)Model 241976, Series A, includes items 1 to 20, and 28 (60 ps...
Page 15 - Air-Operated Regulators
308325 15 Parts Air-Operated Regulators 3 to 100 psi (.02 to 0.7 MPa, 0.2 to 7 bar) Regulated Pressure Range Model 238159, Series A, includes items 1 to 20 (no gauge)Model 236281, Series A, includes items 1 to 20, and 30 (100 psi gauge) 14* 02733 2 18 5 19 20 17* 16* 15* 13 12* 11* 10 9 30 *6 4 Ref....
Page 16 - Repair Kits; Dimensions; Use Only Genuine Graco Parts; Fitting Kits
308325 16 Repair Kits Kit No. 236589 For spring- and air-operated regulators Part No. Description Qty. 112348 DIAPHRAGM; PTFE with nylonfabric/buna–n base 1 172132 GASKET; cellulose fiber 1 188944 SEAT, valve; stainless steel 1 109450 O-RING; PTFE 1 112204 SPRING, compression, ball 1 102922 BALL, tu...
Page 18 - Performance Charts
308325 18 Performance Charts 0 5 10 15 20 25 30 0.0 0.1 0.2 0.3 0.4 0.5 0.3813 0.7626 1.1438 1.5151 1.8964 FLUID FLOW REGULA TED FLUID PRESSURE psi bar 0.7 1.4 2.1 1.0 1.7 0.4 lpm ounces/min gpm Model 236081, 235449, 241976 0 10 20 30 40 50 60 70 80 90 100 0.0 0.1 0.2 0.3 0.4 0.5 FLUID FLOW REGULA T...
Page 20 - Graco Standard Warranty; Graco Information
308325 20 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco,Grac...