Graco 217314 Operation manual

STAINLESS STEEL, WATERBASE COMPATIBLE

Fluid Pressure Regulators

Used to regulate fluid pressure in low pressure systems only.

Fluid Flow up to 3 GPM (11 liters/min)

Instructions–Parts List

307212AK

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

See page 3 for List of Models and Table of Contents.

2 307212

Table of Contents

Models 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Performance Charts 23. . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Information 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3307212

Models

Spring Operated Fluid Regulators

Part No. Series Maximum Fluid Inlet

Pressure, psi (kPa, bar) Regulated Pressure

Range, psi (kPa, bar) Gauge Gauge Pressure

Range,

psi (kPa, bar)

214895 H 250 (1800, 18) 5–100 (34–700, 0.3–7) No n/a

214706H 250 (1800, 18) 5–100 (34–700, 0.3–7) Yes (see 0–100 (0–700, 0–7)

below)

24A082 A 250 (1800, 18) 5–100 (34–700, 0.3–7) Yes (see 0–100 (0–700, 0–7)

below)

243414 C 250 (1800, 18) 5–100 (34–700, 0.3–7) Yes (see 0–200 (0–1400, 0–14)

below)

255374 B 250 (1800, 18) 5–100 (34–700, 0.3–7) Yes (see 0–200 (0–1400, 0–14)

below)

217314F 250 (1800, 18) 20–160 (140–1100, 1.4–11) Yes 0–300 (0–2100, 0–21)

221118E 250 (1800, 18) 20–160 (140–1100, 1.4–11) No n/a

ISO pitch thread inlet and outlet. Not compatible with US standard pitch.

Fluid housing coated with PTFE polymer.

These models are and certified.

The fluid supply system’s main line pressures often exceed the pressure range of the gauge supplied

with regulators 214706, 243414, 255374, and 24A082. Exposing this gauge to excessive pressure can

damage the gauge, causing inaccurate readings and the needle will not return to zero.

This damage is not covered by the Graco warranty.

Air Operated Fluid Regulators

Part No. Series Maximum

Regulated

Air Pressure,

psi (kPa, bar)

Maximum Fluid

Inlet Pressure,

psi (kPa, bar)

Regulated Pressure

Range,

psi (kPa, bar)

Gauge Gauge Pressure

Range,

psi (kPa, bar)

214980 F30 (210, 2.1) 250 (1800, 18) 0–30 (0–210, 0–2.1) Yes 0–30 (0–210, 0–2.1)

244375 B30 (210, 2.1) 250 (1800, 18) 5–100 (34–700, 0.3–7) No n/a

Regulated air pressures above 30 psi (210 kPa, 2.1 bar) may be used if a higher rated gauge is installed.

4 307212

Notes

5307212

WARNING

PRESSURIZED EQUIPMENT HAZARD

Spray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin

and cause serious injury.

Do not stop or deflect fluid leaks with your hand, body, glove, or rag.

Follow the Pressure Relief Procedure on page 8 whenever you: are instructed to relieve the

pressure; stop spraying; clean, check, or service the equipment; and install or clean the fluid

nozzle.

Tighten all the fluid connections before operating the equipment.

Check the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately.

Permanently coupled hoses cannot be repaired; replace the entire hose.

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result

in a serious injury.

This equipment is for professional use only.

Read all the instruction manuals, tags, and labels before operating the equipment.

Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco

distributor.

Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

Check the equipment daily. Repair or replace worn or damaged parts immediately.

Do not exceed the maximum working pressure of the lowest rated system component.

Use fluids that are compatible with the equipment wetted parts. See the Technical Data section of

all the equipment manuals. Read the fluid manufacturer’s warnings.

Never use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents, or

fluids containing such solvents in these regulators. In the event that there is a diaphragm failure, a

serious chemical reaction could occur, with the possibility of explosion.

Route the hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not

expose Graco hoses to temperatures above 180F (82C) or below –40F (–40C).

Never kink or over bend the hoses or use the hoses to pull equipment.

Comply with all applicable local, state, and national fire, electrical, and other safety

regulations.

6 307212

Installation

FLUID SUPPLY

INLET BALL VALVE

OUTLET BALL VALVE

PIPE NIPPLES

BACK

PRESSURE

VALVE

FLUID RETURN

AIR FILTER

& REGULATOR

Spring Operated Installation

Models 214895, 214706, 243414,

217314, 221118, 255374, and

24A082

Pilot Regulator Air Supply Line

Air Operated Installation

Model 214980 shown

OUTLET BALL VALVE

AIR SUPPLY

AIR FILTER

MOISTURE SEPARATOR

& REGULATORS

INLET BALL VALVE

Fig. 1

Fig. 2

AIR REGULATOR

BYPASS VALVE

FLUID REGULATOR

7307212

Installation

Fluid pressure regulators are used for accurate, posi-

tive control of the fluid pressure to spray guns, dis-

pensing valves or atomizing heads.

Regulators installed at circulating line take-offs or

pumps are used to reduce main line pressure and

maintain the desired fluid pressure to the spray gun or

atomizing head.

Before Installing the Fluid Regulator

1. Determine where to locate the regulator.

2. Install a ball valve for the regulator inlet and outlet.

3. Install temporary plumbing between the ball

valves.

4. Thoroughly flush the system to remove metal

chips and other contaminants and to check for

leaks.

Installing the Fluid Regulator

1. Remove the temporary plumbing and install one

regulator for each spray gun. See the Dimension-

al Drawing on page 21 for regulator dimensions.

Mount the regulator in a vertical position, as shown

in Figs. 1 and 2, for the best flow and minimum

pigment settling. The gauge, if used, must be

mounted vertically. If the regulator is mounted

horizontally, an elbow must be used so the gauge

will be vertical.

2. Put sealer on threaded connections, except on the

swiveling end of swivel unions as it interferes with

the swivel action.

3. Flush and test the entire system. Be sure to follow

the flushing procedure on page 8.

8 307212

Operation

CAUTION

The new system must be cleaned and tested

thoroughly before admitting fluid to the regulator

to avoid contaminants clogging or damaging the

regulator.

Always use the lowest possible air and fluid

pressures for your application. High pressures

cause premature spray nozzle and pump wear.

NOTE: Reference numbers and letters in parentheses

in the text refer to the Figs. and Parts Drawing.

Pressure Relief Procedure

WARNING

PRESSURIZED EQUIPMENT HAZARD

Read warnings, page 5.

1. Shut off the pump.

2. Close the fluid regulator’s inlet ball valve. Refer to

Figs. 1 and 2.

3. Relieve fluid pressure in the fluid regulator by

triggering the spray gun.

Flushing Procedure

Flush before changing colors, before fluid can dry in

the equipment, at the end of the day, before storing,

and before repairing equipment.

Flush at the lowest pressure possible. Check

connectors for leaks and tighten as necessary.

Flush with a fluid that is compatible with the fluid

being dispensed and the equipment wetted parts.

1. Record the pressure adjustment setting of the fluid

regulator before flushing.

2. Shut off the pump and relieve fluid pressure in the

system by triggering the gun and opening the back

pressure regulator or other bypass valve.

3. Never exceed the maximum working pressure of

the lowest rated system component. Remove the

gauge if the flushing pressure will exceed the

gauge range.

4. Open the fluid regulator fully.

a. Spring Operated Regulators Only (see Fig. 3).

The regulator can be fully opened in two ways:

Using the male end (B) of the regulator

key (24), turn the socket–head adjustment

screw (19) fully counterclockwise. The

pressure setting will be retained.

Using the female end (A) of the regulator

key (24), turn the adjustment screw (12)

fully clockwise. You will have to reset

pressure after flushing.

b. Air Operated Regulator Only. The regulator

can be fully opened in two ways:

Close the outlet valve at the air regulator

and open the air regulator bypass valve, to

supply air directly to the fluid regulator; do

not exceed the maximum rated air pres-

sure of the fluid regulator. Pressure setting

of the fluid regulator will be retained using

this method.

Increase the air regulator setting to fully

open the fluid regulator. You will have to

reset the fluid regulator’s pressure setting

after flushing.

5. Supply solvent to the system. Set pump to the

lowest possible pressure, and start pump.

6. Flush until thoroughly clean.

9307212

Operation

7. Adjust the fluid regulator to the desired setting.

a. Spring Operated Regulators Only (see Fig. 3).

The regulator can be adjusted in two ways:

Using the male end (B) of the regulator

key (24), turn the socket–head adjustment

screw (19) fully clockwise. Verify that the

pressure setting has not changed.

Using the female end (A) of the regulator

key (24), turn the adjustment screw (12)

counterclockwise to return to the desired

pressure setting.

b. Air Operated Regulator Only. The regulator

can be adjusted in two ways:

Close the air regulator bypass valve and

open the outlet valve at the air regulator.

Verify that the pressure setting has not

changed.

Adjust the air regulator to return to the

desired fluid pressure setting.

Regulating Fluid Pressure

Spring Operated Regulator

1. Close the regulator: engage the female end (A) of

the key (24) with the adjusting screw (12) and turn

it counterclockwise to relieve the spring tension.

See Fig. 3.

2. Start the pump and open the fluid regulator’s inlet

ball valve to admit fluid to the regulator. See Fig. 1.

3. Turn the key (24) clockwise to increase fluid pres-

sure. See Fig. 3. Adjust for the desired spray

pattern.

NOTE: If using a fluid pressure gauge, reduce the

regulator pressure before partially relieving pressure in

the gun hose, to ensure a correct gauge reading. Then

increase regulator pressure to the desired setting.

Air Operated Regulator

1. Start the pump and open the fluid regulator’s inlet

ball valve to admit fluid to the regulator. See Fig. 2.

2. Increase the air pressure to obtain the desired fluid

pressure. Adjust for the desired spray pattern.

NOTE: If using a fluid pressure gauge, reduce the

regulator pressure before partially relieving pressure in

the gun hose, to ensure a correct gauge reading. Then

increase regulator pressure to the desired setting.

NOTE: Make sure the air bleed hole in the air line

fitting (29) is not plugged. Refer to page 12.

For the best results, use an air regulator with at least a

2 in. (51 mm) diameter diaphragm to control this fluid

regulator.

Fig. 3

10 307212

Notes

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