Graco A Series Instructions Manual
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Graco A Series Instructions Manual

Graco A Series Instructions Manual

Fluid pressure regulator
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Instructions
Parts
ACETAL MATERIAL, WATERBASE COMPATIBLE
Fluid Pressure Regulators
For Use In Low-Pressure Systems Only
Fluid Flow up to 0.5 gpm (1.9 lpm)
Read warnings and instructions.
Read warnings and instructions.
Spring-Operated Regulators
100 psi (0.7 MPa, 7 bar) Maximum Inlet Pressure
100 psi (0.7 MPa, 7 bar) Maximum Inlet Pressure
3 to 30 psi (.02 to 0.2 MPa, 0.2 to 2.1 bar)
3 to 30 psi (.02 to 0.2 MPa, 0.2 to 2.1 bar)
Regulated Pressure Range
Regulated Pressure Range
Model 236081, Series A
Model 236081, Series A
with no pressure gauge
with no pressure gauge
with no pressure gauge
Model 236449, Series A
Model 236449, Series A
Model 236449, Series A
Model 236449, Series A
with stainless steel pressure gauge
with stainless steel pressure gauge
with stainless steel pressure gauge
with stainless steel pressure gauge
30 psi (0.2 MPa, 2.1 bar) gauge
30 psi (0.2 MPa, 2.1 bar) gauge
30 psi (0.2 MPa, 2.1 bar) gauge
30 psi (0.2 MPa, 2.1 bar) gauge
Model 241976, Series A
Model 241976, Series A
Model 241976, Series A
Model 241976, Series A
with stainless steel pressure gauge
with stainless steel pressure gauge
with stainless steel pressure gauge
with stainless steel pressure gauge
60 psi (0.4 MPa, 4.1 bar) gauge
_____________________________________
_____________________________________
100 psi (0.7 MPa, 7 bar) Maximum Inlet Pressure
100 psi (0.7 MPa, 7 bar) Maximum Inlet Pressure
20 to 100 psi (.14 to 0.7 MPa, 1.4 to 7 bar)
20 to 100 psi (.14 to 0.7 MPa, 1.4 to 7 bar)
Regulated Pressure Range
Model 236216, Series A
with no pressure gauge
Model 236450, Series A
with stainless steel gauge
100 psi (0.7 MPa, 7 bar) gauge
Air-Operated Regulators
100 psi (0.7 MPa, 7 bar) Maximum Inlet Pressure
3 to 100 psi (.02 to 0.7 MPa, 0.2 to 7 bar)
Regulated Pressure Range
Model 238159, Series A
with no pressure gauge
Model 236281, Series A
with stainless steel gauge
100 psi (0.7 MPa, 7 bar) gauge
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001
Regulators
CAUTION
The fluid supply system main line pressures
The fluid supply system main line pressures
The fluid supply system main line pressures
The fluid supply system main line pressures
often exceed the pressure range of the gauge
often exceed the pressure range of the gauge
often exceed the pressure range of the gauge
often exceed the pressure range of the gauge
supplied with regulator 236449. Exposing this
supplied with regulator 236449. Exposing this
gauge to excessive pressure can damage the
gauge to excessive pressure can damage the
gauge, causing inaccurate readings, and the
needle will not return to zero. Such damage is
not covered by the Graco warranty.
308325E
02725

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Summary of Contents for Graco A Series

  • Page 1 Model 238159, Series A with no pressure gauge Model 236281, Series A with stainless steel gauge 100 psi (0.7 MPa, 7 bar) gauge GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.

  • Page 3: Warnings

    TOXIC FLUID HAZARD TOXIC FLUID HAZARD Graco does not manufacture or supply the reactive chemical components that may be used in this Graco does not manufacture or supply the reactive chemical components that may be used in this Graco does not manufacture or supply the reactive chemical components that may be used in this...

  • Page 4: Installation

    Installation Introduction Pressure Relief Procedure Fluid pressure regulators are used for accurate, WARNING positive control of the fluid pressure to spray guns, dispensing valves or atomizing heads. INJECTION HAZARD The system pressure must be manually Regulators installed at circulating line take-offs or relieved to prevent the system from pumps are used to reduce main line pressure and starting or spraying accidentally.
  • Page 5 Installation Spring-Operated Regulator Installation Models 236081, 236216 (without gauge) 236449, 236450, 241976 (with gauge) 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 handle 02726 Fig.

  • Page 6: Operation

    Operation Air Operated Regulators CAUTION 1. Start the pump and open the fluid regulator’s inlet ball valve (B) to admit fluid to the regulator. See Fig. 2. D The new system must be cleaned and tested thoroughly before admitting fluid to the regulator 2.
  • Page 7 Notes 308325...

  • Page 8: Service

    Service Air Operated Regulator Disassembly Reassembly 1. Shut off the pump. Close the ball valve at the 1. Place the spring (17*) into the housing (20), then regulator’s air inlet. Refer to Fig. 2, page 5. the ball (16*) on top of the spring. 2.
  • Page 9 Service Model shown: 236281 18, 19 02730 Torque to 37–43 in–lbs (4.1–4.8 N.m). Torque to 37–43 in–lbs (4.1–4.8 N.m). Torque to 28–32 ft–lbs (38–43 N.m). Torque to 28–32 ft–lbs (38–43 N.m). Torque to 28–32 ft–lbs (38–43 N.m). Torque screws evenly to 60 in–lb (6.8 N.m), three times, Torque screws evenly to 60 in–lb (6.8 N.m), three times, Torque screws evenly to 60 in–lb (6.8 N.m), three times, Torque screws evenly to 60 in–lb (6.8 N.m), three times,...
  • Page 10 Service Spring Operated Regulators Disassembly Reassembly 1. Shut off the pump. Close the ball valve at the 1. Place the spring (17*) into the housing (20), then regulator’s fluid inlet. Refer to Fig. 1, page 5. the ball (16*) on top of the spring. 2.
  • Page 11 Service Model 236081 shown 18, 19 Torque to 37–43 in–lbs (4.1–4.8 N.m). Torque to 37–43 in–lbs (4.1–4.8 N.m). Torque to 28–32 ft–lb (38–43 N.m). Torque to 28–32 ft–lb (38–43 N.m). Torque to 28–32 ft–lb (38–43 N.m). Torque to 28–32 ft–lb (38–43 N.m). Torque to 28–32 ft–lb (38–43 N.m).

  • Page 12: Troubleshooting

    Troubleshooting NOTE: Check all possible remedies in the WARNING Troubleshooting Chart before disassembling the fluid regulator. To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4. Problem Cause Solution No pressure regulation.

  • Page 13: Parts

    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 psi gauge) 02735 Ref.
  • Page 14 Parts Spring-Operated Regulators 20 to 100 psi (.14 to 0.7 MPa, 1.4 to 7 bar) Regulated Pressure Range Model 236216, Series A, includes items 1 to 20 (no gauge) Model 236450, Series A, includes items 1 to 30 (100 psi gauge) 02735 Ref.
  • Page 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) 02733 Ref.

  • Page 16: Repair Kits

    Repair Kits Accessories Use Only Genuine Graco Parts Kit No. 236589 and Accessories For spring- and air-operated regulators Air Filter, Moisture Separator with Regulators 217075 Part No. Description Qty. 200 psi (1.4 MPa, 14 bar) Maximum Inlet Pressure 112348 DIAPHRAGM; PTFE with nylon For moisture separation and to separate air regulation fabric/buna–n base...

  • Page 17: Technical Data

    Technical Data Maximum fluid inlet pressure ....100 psi Wetted Parts ....acetal resins, PTFE, (0.7 Mpa, 7 bar) tungsten carbide, 304 and 316 series...

  • Page 18: Performance Charts

    Performance Charts Model 236081, 235449, 241976 psi bar FLUID FLOW FLUID FLOW 0.38 0.38 1.14 1.14 1.51 1.51 1.89 0.76 0.76 ounces/min Model 236216, 236450, 236281, and 238159 Model 236216, 236450, 236281, and 238159 Model 236216, 236450, 236281, and 238159 Model 236216, 236450, 236281, and 238159 Model 236216, 236450, 236281, and 238159 psi bar...
  • Page 19 Notes 308325...

  • Page 20: Graco Standard Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

236081236449241976236216236450238159 ... Show all

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