Page 1
Instructions–Parts List
Fluid Controls and Fittings
Part No.s 223627, 208085, 223621, 208082, 223622, 223623, 223624,
208250, 214019, 223626 and 210097
200 psi (1.4 MPa, 14 bar) Maximum Inbound Fluid Pressure
Part No.s 223625 and 223628
300 psi (2.1 MPa, 21 bar) Maximum Inbound Fluid Pressure
TWIST LOCK SLIP RING
COUPLER
STEMS
3/8 npsm
Models
GUN
MOUNTED
REGULATORS
FLUID
1/4 npsm inlet &
return ports
5 to 35 psi
(0.5 to 2.5 bar)
Regulated
Pressure
223627*
1.0 oz
208085*
1.5 oz
UNION
ADAPTER
307016S
TWIST LOCK
223628*
1.3 oz
02286
Important Safety Instructions
Read all warnings and
instructions in this manual. See
page 2 for Table of Contents.
Save these instructions.
* Stainless Steel Models
Models
STRAIGHT
ADAPTERS
3/8 npsm inlet
Models
CIRCULATING
ADAPTERS
1/4 npsm inlet &
return ports
Models
223621*
7.0 oz
223624*
214019
223626*
208082*
7.5 oz
208250
223622*{
7.0 oz
223623*
7.3 oz
223625*
210097
Page 2
Table of Contents
Symbols
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty 10. . . . . . . . . . . . . . . . . . . . . .
Graco Information 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
corresponding instructions.
NOTE: The following warning applies only to Models 214018, 208250, 214019, & 210097, which contain aluminum
housings.
WARNING
Hazard of Using Fluids Containing Halogenated Hydrocarbons
Never use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in the models listed in the not above. Such use could result in a serious chemical reaction,
with the possibility of explosion, which could cause death, serious injury and/or substantial property damage.
Consult you fluid suppliers to ensure that the fluids being used are compatible with aluminum parts.
Installation
Connect the Fluid Hose
Regulators or Circulating Adapters:
Connect the fluid hoses to the 1/4 npsm(m) inlet and
return fittings.
Straight Adapter:
Connect a hose to the 3/8 npsm(m) inlet fitting.
Connect the Regulator or Adapter to the Gun
Model 223622:
Screw the regulator union adapter onto the gun fluid
inlet.
Models with Twist-lock Couplers:
Screw the coupler stem onto the gun inlet. Connect the
twist-lock couplers by lining up the coupler slots with
the pins on the stem, pushing the coupler onto the
stem, then twisting the coupler clockwise to lock it.
Models with Slip-ring Couplers:
Pull the slip ring back as you push the coupler onto the
stem.
2 307016
Page 3
Operation
CAUTION
To avoid damaging the regulator diaphragm, never
exceed 200 psi (1.4 MPa, 14 bar) Maximum Inbound
Fluid Pressure to the regulator.
Service
WARNING
To reduce the risk of serious injury, including
splashing in the eyes or on the skin, always shut off
the air and fluid pressure to the gun and trigger the
gun to relieve fluid pressure in the hoses before
disconnecting hoses from the regulator or adapter.
To Clean or Service the Regulator
1. Relieve the air and fluid pressures.
2. Disconnect the regulator from the gun and the
hoses from the regulator.
To Adjust the Fluid Pressure
Trigger the gun. Turn the fluid regulator setscrew (2)
clockwise to the desired setting. Release the gun
trigger, tighten the locknut (1), and install the acorn nut
(16).
4. Clean and inspect the parts carefully.
5. Replace worn or damaged parts and reassemble
the regulator. Be sure the nylon side of the diaphragm (12) faces the fluid.
Torque Notes:
Diaphragm Nut (3) onto Valve Stem (8):
6 to 10 in-lb (0.7 to 1.1 NSm)
Screws (5) into the Housing (18):
20 to 30 in-lb (2.3 to 3.4 NSm)
3. Disassemble the regulator. Refer to the Parts
Drawing.
Cap (14 )into the Housing (18):
10 to 15 ft-lb (13.5 to 20.0 NSm)
307016 3
Page 4
Parts
Ref.
No. Part No. Description Qty.
1 100166 NUT, hex mach; No. 10–32 1
2 102433 SCREW, set, hex socket;
No. 10–32 x 3/4” 1
3 102980 NUT, hex; stainless steel; 1
No. 4–40
4* 102982 O-RING; PTFE 1
5 103229 SCREW, cap, socket head; 5
No. 8–32 x 3/8”
6 167244 RETAINER, spring 1
7 167245 SPRING, compression 1
8 168872 VALVE STEM 1
9 168877 HOUSING, upper 1
10* 178320 GASKET; cellulose fibre 1
11 168879 WASHER, back-up 1
{ 178321 DIAPHRAGM; nylon & buna-n 1
12*
13* 168881 WASHER; acetal 1
14 168884 CAP 1
15* 169597 VALVE SEAT 1
16 170303 ACORN NUT; No. 10–32 1
17* 178322 GASKET; cellulose fibre 1
208086 HOUSING, lower; 1
18
Models 223621, 208082, &
223622 only
208180 HOUSING, lower; 1
Model 223623 only
19{ 101947 BALL; stainless steel;
0.375” (9.5 mm) dia. 1
Ref.
No. Part No. Description Qty.
20 186203 COUPLING NUT; stainless steel 1
21{ 104338 SEAL, spring loaded; PTFE 1
22{ 171887 BALL SEAT; PTFE 1
23{ 171888 HOUSING, seal; acetal 1
24 186202 HOUSING, coupler; stainless steel 1
25 168890 SPRING, compression 1
26 168888 VALVE SEAT; acetal 1
27 168889 RETAINER, seat 1
28 168891 SPRING, compression 1
29 208088 SLIP RING COUPLER ASSY.
Includes items 30–34 1
30 100172 S BALL; chrome alloy,
0.188” (4.76 mm) dia. 3
31n 157230 S RING, retaining 1
32 168874 S RING, coupler 1
33 168875 S SPRING, compression 1
34 168876 S HOUSING, coupler 1
35n 168882 GASKET; acetal 1
36 223892 UNION, adapter; 3/8” npsm(f)
swivel 1
37** 178846 SEAL; nylon 1
38** 103075 BALL; stainless steel,
0.438” (11.1 mm) dia. 1
39** 178847 GUIDE, coupler stem 1
40** 178848 BALL SEAT; PTFE 1
41n 111279 BALL; stainless steel,
0.438” (11.1 mm) dia. 1
n Recommended “tool box” spare parts. Keep these spare
parts on hand to reduce down time.
* These parts are included in Repair Kit 208380, which may
be purchased separately.
** These parts are included in Repair Kit 217502, which may
be purchased separately.
{ These parts are included in Repair Kit 210786, which may
be purchased separately.
K Accessory PTFE Diaphragm 185028 with PET Backing
Diaphragm 168880 is available. See page 9.
4 307016
Page 5
Coupler Stems
7
Ref.
No. Part No. Description Qty.
1n 103337 O-RING; fluoroelastomer 1
2 168868 FITTING, coupler 1
3 168869 COUPLING NUT; 3/8 npsm(f) 1
Fluid Regulators
Model 223622 Series A
Includes items 1–18, 35, 36
36
35n
Model 223621 Series A
Includes items 1–25
20
24
{23
{21
{22
{19
25
7
223627
Model 208082 Series D
Includes items 1–19, 26–34
29
27
26
8
n19
28
208085
223628
2
3
1n
Model 223623 Series A
Includes items 1–18, 20, 24,
25, 37–40
31n
32
33
30
1
34
20
24
39**
37**
40**
41n
25
COMMON PARTS FOR REGULATORS
14
2
NOTES
1
Small hole faces down
2
Torque to 10–15 ft/lb (13.5–20 NSm)
3
Nylon side MUST face fluid
4
1/4 npsm(m)
5
Torque to 6–10 in/lb (0.7–1.1 NSm)
6
Torque to 20–30 in/lb (2.3–3.4 NSm)
7
Spring inside faces down
8
Large chamfer faces up
*15
*4
8
18
11
17*
10*
{
12*
3
13*
7
6
9
5
6
4
3
5
2
1
16
0228
307016 5
Page 6
Straight Adapters
NOTES
1
3/8 npsm(m)
2
Spring inside faces down
3
Torque to 15–25 ft/lb (20–34 NSm)
Parts
Model 223624 Series A
TWIST LOCK COUPLER
Includes items 3–13
3
3
4
{13
{10
{12
{9
7
2
11
Ref.
No. Part No. Description Qty.
3 186203 COUPLING NUT; stainless steel 1
4 186202 HOUSING, coupler; stainless steel 1
7 168890 SPRING, compression 1
9{ 101947 BALL; stainless steel;
0.375” (9.5 mm) dia. 1
10{ 104338 SEAL, spring loaded; PTFE, 1
1
02293
Ref.
No. Part No. Description Qty.
11 170755 HOUSING, straight adapter 1
12{ 171887 BALL SEAT; PTFE 1
13{ 171888 HOUSING, seal; acetal 1
{ These parts are included in Repair Kit 210786, which may
be purchased separately.
6 307016
Page 7
Straight Adapters
Parts
Model 223625 Series A
TWIST LOCK COUPLER
Includes items 3, 4, 7, 24–27
2
NOTES
1
3/8 npsm(m)
2
Small hole faces down
Large chamfer faces up
3
Torque to 15–25 ft/lb (20–34 NSm)
4
1
3
4
25
24
26
28n
7
27
4
3
02294
Model 208250 Series A
SLIP RING COUPLER
Includes items 8, 9, 14–22
17
15
14
n9
16
8
19n
20
21
22
18
1
02296
Ref.
No. Part No. Description Qty.
3 186203 COUPLING NUT; stainless steel 1
4 186202 HOUSING, coupler; stainless steel 1
7 168890 SPRING, compression 1
8 169472 HOUSING, straight adapter 1
9n 101947 BALL; stainless steel;
0.375” (9.5 mm) dia. 1
14 168888 VALVE SEAT; acetal 1
15 168889 RETAINER, seat 1
16 168891 SPRING, compression 1
17 208088 SLIP RING COUPLER ASSY.
Includes items 18–22 1
18 100172 . BALL; chrome alloy,
0.188” (4.76 mm) dia. 3
19n 157230 . RING, retaining 1
20 168874 . RING, coupler 1
21 168875 . SPRING, compression 1
Ref.
No. Part No. Description Qty.
22 168876 . HOUSING, coupler 1
24 178846 SEAL; nylon 1
25 178847 GUIDE, coupler stem 1
26 178848 BALL SEAT; PTFE 1
27 180050 HOUSING, straight adapter 1
28n 111279 BALL; stainless steel,
0.438” (11.1 mm) dia. 1
n Recommended “tool box” spare parts. Keep on hand to
reduce down time.
307016 7
Page 8
Circulating Adapters
Parts
Model 214019 Series B
TWIST LOCK COUPLER
Includes items 2, 3, 7–11,
15, 16
2
4
7
{16
{11
2
{15
{10
8
9
3 13
02297
1
NOTES
Model 223626 Series A
TWIST LOCK COUPLER
Stainless Steel
Includes items 4, 5, 7, 8, 10–16
4
4
5
{16
{11
2
{15
{10
8
12
14
02298
Model 210097 Series B
TWIST LOCK COUPLER
Includes items 2, 3, 7, 8,
26–30
Small hole
faces down
2
4
7
28**
27**
29**
3
26**
8
30
3
1
02300
1
1/4 npsm(m)
2
Spring inside faces down
Ref.
No. Part No. Description Qty.
2 167394 COUPLING NUT 1
3 167395 HOSE ADAPTER; 1/4 npsm(m) 2
4 186203 COUPLING NUT; stainless steel 1
5 186202 HOUSING, coupler; stainless steel 1
7 181578 HOUSING, coupler 1
8 168890 SPRING, compression 1
9 169473 HOUSING, circulating adapter 1
10{ 101947 BALL; stainless steel;
0.375” (9.5 mm) dia. 1
11{ 104338 SEAL, spring loaded; PTFE 1
12 170755 HOUSING, straight adapter 1
13 171233 HOUSING, circulating adapter 1
14 171234 HOSE ADAPTER; 1/4 npsm(m) 2
15{ 171887 BALL SEAT; PTFE 1
16{ 171888 HOUSING, seal; acetal 1
3
Small hole faces down
4
Torque to 15–25 ft/lb (20–34 NSm)
1
Ref.
No. Part No. Description Qty.
26** 103075 BALL; stainless steel,
0.438” (11.1 mm) dia. 1
27** 178846 SEAL; nylon 1
28** 178847 GUIDE, coupler stem 1
29** 178848 BALL SEAT; PTFE 1
30 169471 HOUSING, circulating adapter 1
{ These parts are included in Repair Kit 210786, which may
be purchased separately.
** These parts are included in Repair Kit 217502, which may
be purchased separately.
8 307016
Page 9
Accessories
Accessories must be purchased separately
PTFE Diaphragm 185028, with PET
Backing Diaphragm 168880*
Use when regulator must be submersed in a solvent
incompatible with the buna-n backing of the standard
diaphragm 178321.
K The PTFE diaphragm must face the fluid, with the PET
diaphragm used as backing.
307016 9
Page 10
Graco Standard Warranty
Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the
date of sale to the original purchaser for use. 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 warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written
recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by
faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of
Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture,
installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for
verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The
equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect
in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and
transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other
remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any
other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the
date of sale.
Graco makes no warranty, and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection
with accessories, equipment, materials or components sold but not manufactured by Graco. These items sold, but not manufactured
by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide
purchaser with reasonable assistance in making any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment
hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract,
breach of warranty, the negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings
entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires
exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procedures concernées.
Graco Information
TO PLACE AN ORDER, contact your Graco distributor, or call one of the following numbers
to identify the distributor closest to you:
1–800–328–0211 Toll Free
612–623–6921
612–378–3505 Fax
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
This manual contains English. MM 307016
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Copyright 1997, Graco Inc. is registered to ISO 9001
10 307016
Graco Headquarters: Minneapolis
www.graco.com
Revised 03/2009
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