Graco 104266 Manuel utilisateur

308167N

Instructions

Low Volume Air

Regulators

For ensuring consistent air pressure in systems requiring up to a maximum of 90 scfm.

For professional use only.

300 psi (2.1 MPa, 20.7 bar) Maximum Incoming Air Pressure



• Diaphragm-and Piston-Operated

• Self-Relieving

• Temperature Range: 40 - 120° F (4° C - 49° C)

See page 2 for a list of regulators. Bare regulators are available

separately or in the regulator assemblies shown with them.

See manual 308168 for high volume regulators.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment. Save

these instructions. 

104266, 104267,

171937, 110234,

104815, 110318

16G409 110341,111804,

116903, 116904

Regulators

2308167N

Regulators

Bare

Regulator Part

No.

Regulator

Assembly Part

No.

Max. SCFM

(m3/min.)

Inlet/ Outlet

Port (npt)

Gage Ports

(2) (npt)

Handle

Type

Regulated Pressure

Range Diaphragm Material

104815 15

(0.4) 1/8 1/8 Knob

0-60 psi

(0-4.1 bar,

0 -.41 MPa)

Nitrile Rubber

110318 110147 15

(0.4 1/4 1/8 Knob

0-180 psi

(0-12.4 bar,

0-1.24 MPa)

Nitrile Rubber

110341 39

(1.1) 1/8 1/8 Knob

0-125 psi

(0-8.6 bar,

0-0.86 MPa)

None-

piston type

111804 39

(1.1) 1/4 1/8 Knob

0-125 psi

(0-8.6 bar,

0-0.86 MPa)

None-

piston type

110234

109075

224512

224024

(2.5) 3/8 1/4 Knob

0-250 psi

(0-17.2 bar,

0-1.72 MPa)

Nitrile Rubber

104266

206849

203716

202156

202858

244844

248829

(2.5) 1/2 1/4 Knob

0-250 psi

(0-17.2 bar,

0-1.72 MPa)

Nitrile Rubber

104267 206237 90

(2.5) 1/2 1/4 Knob

0-125 psi

(0-8.6 bar,

0-0.86 MPa)

Nitrile Rubber

116903 39

(1.1) 1/8 1/8 Knob

0-60 psi

(0-4.1 bar,

0 -.41 MPa)

None-

piston type

116904 39

(1.1) 1/8 1/8 Knob

0-25 psi

(0-1.72 bar,

0-0.17 MPa)

None-

piston type

16G409 121

(4) 1/4 1/8 Knob

0-58 psi

(0-4 bar,

0-0.4 MPa)

Nitrile Rubber

Dimensions

308167N 3

Dimensions

Model 104815 (1/8 in. Port)

Model 110318 (1/4 in. Port)

Model 110341 (1/8 in. Port)

Model 111804 (1/4 in. Port)

Model 116903, 116904 (1/8 in. Port)

Model 110234 (3/8 in. Port)

Model 104266, 104267 (1/2 in. Port)

Model 16G409 (1/4 in. Port)

Installation

4308167N

Installation

Before installing any air line components, blow out the

pipe line to remove scale and other debris. Use pipe

compound or tape sparingly and only on male threads.

Install the regulator in the pipe line so that the flow is in the

direction of the arrow stamped on the body. Locate the

regulator as close as possible to the equipment it serves.

Mounting brackets and nuts are available, see page 12.

To provide a variety of assembly options, a bleed-type

master air valve is not included with all regulator

assemblies. See Accessories, page 11 to order this

valve. Another bleed-type master air valve may also be

installed upstream from the air controls to isolate them for

servicing.

The air to the regulator should be clean. Erratic regulator

operation or loss of regulation is usually caused by dirt in

the disc area. To clean the regulator, see Repair, page 6.

WARNING

To reduce the risk of serious bodily injury, including

fluid injection, splashing fluid into the eyes or onto the

skin, or injury from the pump starting unexpectedly,

be sure the system includes a bleed-type master air

valve.

Install the air valve between the air regulator outlet

and the device that the regulator is serving. When

relieving system air pressure, close the bleed-type

master air valve to fully relieve air pressure.

Operation

308167N 5

Operation

Adjust Pressure

1. If the knob does not have a screw, pull the knob up

to adjust. When adjustment is complete, push the

knob down to lock in place.

2. If the knob has a cross-head screw, loosen the

screw 1/4 turn and then adjust the knob. Tighten the

screw to lock in the adjustment.

3. To increase the regulated air pressure, turn the knob

clockwise.

4. To decrease the regulated air pressure, turn the

knob counterclockwise.

FIG. 1

Repair

6308167N

Repair

If the regulator fails to operate, operates roughly,

vibrates, etc., follow the above Warning. Remove the

regulator and service as follows:

Disassemble the regulator. See the Repair Kit

Drawings on page 7.

Wash the parts with household soap and water or

denatured alcohol. Wipe the parts dry with a clean, soft,

dry rag. Use compressed air to blow any dirt and

contaminants out of the regulator body.

Inspect parts for damage or wear. Replace any

damaged parts.

Lubricate the bearing area, adjusting screw threads. and

spring ends with No. 2 lithium-base grease. Reassemble

the regulator.

When installing the diaphragm, be sure that the disc is

firmly in place. Install the disc stem into the center hole of

the diaphragm. Torque the spring housing to 45 in-lb

(51N•m).

WARNING

Relieve air and fluid pressure before servicing the

regulator.

To help prevent serious injury from pressurized fluid,

such as skin injection, splashing fluid, and moving

parts, relieve pressure on both the inlet and outlet

sides of the regulator before servicing.

Inlet: Turn off the air supply and depressurize the air

line connected to the inlet.

Outlet: Open the bleed-type master air valve

(required on the outlet side) to relieve system air

pressure, and trigger the gun or dispense valve and

open any fluid drain valves to relieve fluid pressure.

NOTICE

Do not use trichloroethylene, acetone or similar

solvents to clean the regulator. These solvents could

damage the regulator parts.

Bare

Regulator

Part No.

Repair Kits

104816

1/8 in. Knob

104817

1/8 in.

Diaphragm

223164

1/8 in. and 1/4

in. Piston

130984

Kit, Service,

Relieving

PS708P

Diaphragm

Assembly

104266 X X

104267 X X

110234 X X

104815 X X

110341 X

111804 X

110318 X X

116903 X

116904 X

Repair Kit Drawings

308167N 7

Repair Kit Drawings

For Regulators 

104815, 110318

For Regulators 

104267, 104266, 110234,

130984

For Regulators 

110341, 111804, 116903,

116904

Parts

8308167N

Parts

Model 109075

Model 224512

Model 224024

Model 110147

Ref. Part Description Qty.

1 110234 3/8 in. AIR REGULATOR 1

2 100721 PLUG, pipe, 1/4 npt 1

3 100960 GAUGE, 0-200 psi (0-14 bar) 1

Ref. Part Description Qty.

1 110234 3/8 in. AIR REGULATOR 1

2 100960 GAUGE, 0-200 psi (0-14 bar) 1

3 110224 BALL VALVE, 3/8–18 npt(t) 1

4 156849 NIPPLE, 3/8–18 npt 1

3/8 npt

OUTLET

3/8 npt

INLET

1/2 npsm

OUTLET

3/8 npt

INLET

Ref. Part Description Qty.

1 110234 3/8 in. AIR REGULATOR 1

2 100960 GAUGE, 0-200 psi (0-14 bar) 1

3 156849 NIPPLE, 3/8–18 npt 1

4 169971 FITTING, air line, 3/8 npt(m) 1

5 208536 COUPLER, air line 1

6 100721 PLUG, pipe, 1/4 npt 1

Ref. Part Description Qty.

1 110318 1/4 in. AIR REGULATOR 1

2 100403 PLUG, pipe, 1/8 npt 1

3 110319 GAUGE, 0-200 psi (0-14 bar) 1

21/4 npt

INTLET

3/8 npt

OUTLET

1/4 npt

OUTLET

1/4 npt

INLET

Parts

308167N 9

Model 203716

Model 244844

Model 202156

Model 202858

Ref. Part Description Qty.

1 104266 1/2 in. AIR REGULATOR 1

2 100721 PLUG, pipe, 1/4 npt 1

3 101180 GAUGE, 0-200 psi (0-14 bar) 1

4 159239 NIPPLE, pipe, 1/2 x 3/8 npt 1

5 207438 UNION, 90° swivel, 1/2 npt(m) x

1/2 npsm(f) swivel

Ref. Part Description Qty.

1 104266 1/2 in. AIR REGULATOR 1

2 100721 PLUG, pipe, 1/4 npt 1

3 100960 GAUGE, 0-200 psi (0-14 bar) 1

1/2 npsm

INLET

3/8 npt

OUTLET

1/2 npt

OUTLET

1/2 npt

INLET

Ref. Part Description Qty.

1 104266 1/2 in. AIR REGULATOR 1

2 100721 PLUG, pipe, 1/4 npt 1

3 100960 GAUGE, 0-200 psi (0-14 bar) 1

4 100081 BUSHING, 1/2(m) x 3/8(f) npt 1

Ref. Part Description Qty.

1 104266 1/2 in. AIR REGULATOR 1

2 100721 PLUG, pipe, 1/4 npt 1

3 100960 GAUGE, 0-200 psi (0-14 bar) 1

4 159239 NIPPLE, pipe, 1/2 x 3/8 npt 1

5 156684 UNION, swivel, 1/2 npt(m) x 1/2

npsm(f) swivel

3/8 npt

INLET

3/8 npt

OUTLET

1/2 npsm

INLET

3/8 npt

OUTLET

Parts

10 308167N

Model 248829

Ref. Part Description Qty.

1 104266 1/2 in. AIR REGULATOR 1

2 113333 VALVE, ball vented, 3/8 npt 1

3 101689 GAUGE, 0-200 psi (0-14 bar) 1

4 156849 NIPPLE, pipe, 3/8 npt 1

5 155494 UNION, swivel, 3/8 npt(m) x 3/8

npsm(f)

6 169970 FITTING, line air, 1/4 npt 1

7 100081 BUSHING, pipe, 1/2 x 3/8 npt 1

8 100206 BUSHING, pipe, 1/2 x 1/4 npt 1

connect to

coupler from

Kit 248827

to feed

pump

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