TOF194485Snuff Back 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)20
TOF918483Snuff Back 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)22
TOF918639Snuff Back 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)26
TOF+243694Base Seal 240 V / 8241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)28
TOF 200297266Snuff Back Swirl240 V / 8241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)30
TOF+243695Base Seal H.F. 240 V / 8241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)31
TOF+243696Snuff Back 240 V / 8241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)33
TOFC27340Base Seal Ambient241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)35
TOFC34068Base Seal 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)37
TOFC34079Base Seal 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)39
TOFC50592Base Seal 120 V / 6241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)41
Part
No.Type
918512Snuff Back Ambient241 bar, 24 MPa (3500 psi) 10 bar, 1 MPa (150 psi)24
Voltage /
No. of Pins
Maximum Fluid Working
Pressure
Maximum Air Input
Pressure
Parts
Page
2 310538
Warnings
The following Warnings are for the safe setup, use, grounding, maintenance, and repair of this equipment. The
exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure–specific risks.
Refer back to these Warnings. Additional product–specific warnings may be found throughout the body of this
manual where applicable.
WARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and
INSTRUCTIONS
result in serious injury.
D This equipment is for professional use only.
D Read all instruction manuals, warnings, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are uncertain, call your Graco distribu-
tor.
D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
D Check the equipment daily. Repair or replace worn or damaged parts immediately.
D Do not exceed the maximum air working pressure of 1 MPa (10 bar, 150 psi) to the applicator.
D Do not exceed the maximum fluid working pressure of 24 MPa (241 bar, 3500 psi) to the
applicator or manifold.
D Never exceed the recommended working pressure or the maximum air inlet pressure stated on
your pump or in the Technical Data on page 47.
D Be sure that all spray/dispensing equipment and accessories are rated to withstand the maxi-
mum working pressure of the pump. Do not exceed the maximum working pressure of any
component or accessory used in the system.
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces.
D Do not expose Graco standard hoses to temperatures above 180_F (82_C) or below –40_F
(–40_C). Do not expose Graco electrically heated hoses to temperatures above 400° F
(222° C) or below –40_F (–40_C).
D Do not expose Graco standard hoses to temperatures above 180_F (82_C) or below –40_F
(–40_C).
D Do not use the hoses to pull the equipment.
D Use only fluids and solvents that are compatible with the equipment wetted parts. See the
Technical Data sections of all the equipment manuals. Read the fluid manufacturer’s warnings.
D Always wear protective eyewear, gloves, clothing, and respirator as recommended by the fluid
and solvent manufacturers.
D Wear hearing protection when operating this equipment.
D Comply with all applicable local, state and national fire, electrical and other safety regulations.
310538 3
WARNING
HOT SURFACE AND FLUID HAZARD
Heated fluid can cause severe burns and can cause equipment surfaces to become very hot.
D Wear protective gloves and clothing when operating this equipment in a heated system.
D Do not touch the metal heat sink when the surface is hot.
D Allow the equipment to cool thoroughly before servicing.
Some heated systems are designed to dispense Polyurethane (PUR) heated materials. PUR
systems are supplied with ventilation hoods, and require proper ventilation and specially designed
system components.
SKIN INJECTION HAZARD
Spray from the applicator, hose leaks, or ruptured components can inject fluid into your body and
cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on
the skin can also cause serious injury.
D Fluid injected into the skin might look like just a cut, butit is a serious injury. Get immediate
surgical treatment.
D Do not point the applicator at anyone or at any part of the body.
D Do not put hand or fingers over the front of the applicator.
D Do not stop or deflect fluid leaks with your hand, body, glove, or rag.
D Follow the Pressure Relief Procedure on page 11 whenever you are instructed to: relieve
pressure; stop dispensing; clean, check, or service the equipment; or install or clean a tip or
nozzle.
D Tighten all the fluid connections before operating the equipment.
D Check the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immedi-
ately. Permanently coupled hoses cannot be repaired; replace the entire hose.
D ALWAYS wear eye protection and protective clothing when installing, operating, or servicing this
dispensing equipment.
D Do not remove or modify any part of the applicator; this can cause a malfunction and result in
serious bodily injury.
D Use extreme caution when cleaning or changing tips. If the tip clogs while applying material,
ALWAYS follow the Pressure Relief Procedure on page 11, then remove the tip to clean it.
D NEVER wipe off build-up around the tip or air cap until pressure is fully relieved.
4 310538
WARNING
FIRE, EXPLOSION, AND ELECTRIC SHOCK HAZARD
Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition
and result in fire or explosion and serious injury.
D Ground the equipment and the object being sprayed. The Automatic Dispense Valve is
grounded through proper connection of pin E inside the electrical control panel to truth earth
ground inside the electrical control panel. See Grounding on page 9.
D Ground the equipment and the object being sprayed, and all other electrically conductive
objects in the dispense area. Proper grounding dissipates static electricity generated in the
equipment. See Grounding on page 9.
D Do not use this equipment with flammable liquids.
D Keep the dispense area free of debris, including solvent, rags, and gasoline.
D If there is any static sparking or you feel an electric shock while using the equipment, stop dis-
pensing immediately. Do not use the equipment until you have identified and corrected the
problem.
D Make sure all electrical work is performed by a qualified electrician only.
D Have any checks, installation, or service to electrical equipment performed by a qualified electri-
cian only.
D Make sure all electrical equipment is installed and operated in compliance with applicable
codes.
D Make sure power is disconnected when servicing and repairing equipment.
D Before operating the equipment, extinguish all open flames or pilot lights in the dispense area.
D Do not smoke in the dispensing area.
D Keep liquids away from the electrical components
D Disconnect electrical power at the main switch before servicing the equipment.
D Never exceed maximum wattage of the supply unit.
TOXIC FLUID HAZARD
Hazardous fluids or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, swallowed, or inhaled.
D Provide fresh air ventilation to avoid the buildup of vapors from the fluid being dispensed.
D Know the specific hazards of the fluid you are using.
D Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all
local, state and national guidelines.
D Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid
and solvent manufacturer.
D Avoid exposure to heated material fumes.
310538 5
Installation
Install the automatic applicator as follows:
D mount the automatic dispense valve
D attach dispense tip, nozzle, or swirl
D connect the air lines
D connect material hose
D connect the electrical cable
D make sure the automatic dispense valve is
grounded
Mount the Automatic Dispense Valve
Mount the automatic dispense valve to the mounting
bracket on a stationary support or robotic arm (Fig. 1),
using two socket head screws (300) and two flat
washers (50). Be sure to position the insulation
block (280) and insulation tape (290) between the
dispense valve and the mounting bracket.
280
Attach Dispense Tip, Nozzle, or Swirl
Attach a dispense tip and a nozzle adapter, or a nozzle
adapter alone, to the automatic dispense valve.
Dispense Tip and Nozzle Adapter Attachment
Attach dispense tip (B) to the automatic dispense
valve.
1.Select a nozzle adapter (C) and a dispensing
tip (B).
2.Install the tip and then use the nozzle adapter (C)
to secure the tip to the seat adapter (D).
50
300
Fig. 1
290
D
A
Fig. 2
B
C
6 310538
Installation
Nozzle Attachment
Attach a nozzle (C) to the automatic dispense valve.
1.Select a nozzle.
2.Install nozzle adapter (C) on the seat adapter (D).
3.Install nozzle in nozzle adapter (E).
D
C
E
Fig. 3
Swirl Nozzle Attachment
1.Install swirl adapter (C) on seat adapter (D).
2.Install swirl applicator head (E).
3.Install swirl nozzle (F).
D
C
E
F
Fig. 4
310538 7
Installation
Connect Air Lines to Dispense Valve
CAUTION
Only use air fittings that are rated at a temperature
equal to or higher than the operating temperature of
your fluid dispensing system. Lower rated air fittings could melt and cause damage to the automatic dispense valve.
These valves are air to open and air to close with a
spring to bias them closed. Use a 4–way exhausting
solenoid to operate these valves.
Making sure to connect the appropriate air lines to the
appropriate ports (see Fig. 5), securely connect air
lines to dispense valve air ports (G).
1/8” npt
open
360
G
close
1/8” npt
Connect Material Hose to Dispense Valve
Securely connect the material hose to the dispense
valve material inlet port (A). See Fig. 5.
Connecting Electrical Cable to Dispense
Valve
Connect electrical cable plug from your Therm–O–
Flow or Therm–O–Flow Plus hose or control.
A
1/2” npt
Fig. 5
Snuff–Back Valve Shown
8 310538
Installation
Grounding
WARNING
FIRE, EXPLOSION, AND ELECTRIC
SHOCK HAZARD
To reduce the risk of fire, explosion, or
electric shock:
D The power source conduit is not an ad-
equate ground for the system. The unit
must be grounded to either the building
ground or a true earth ground.
D A qualified electrician must complete
all grounding and wiring connections
and check the resistance.
D Refer to your local code for the requirements for
a “true earth ground” in your area.
D Also read and follow the warnings on page 5.
Ground the automatic dispense valve:
1.Connect the connector from a heated hose to the
receptacle on the dispense valve.
Ground lead
coming from pin
E is fastened to
the bracket.
D
C
E
B
F
A
Fig. 6
3
5412
67
Ground lead
coming from contact 8 to true
earth ground.
Fig. 7
TI0305
2.Connect the electrical cable to the electrical control
panel.
3.Verify that socket contact E on six pin models (see
Fig. 5) or contact eight on eight pin models (see
Fig. 7) , inside control panel receptacle, is connected to true earth ground.
310538 9
Some solutions require disassembling the automatic dispense valve. Always relieve system pressure before per-
retaining ring (170)
forming these procedures.
See PARTS section for the parts that need to be serviced.
ProblemCause(s)Solution(s)
Air leaks from automatic dispense valve
Material leaks from front of
automatic dispense valve
Material leaks from automatic
dispense valve body
Automatic dispense valve
does not shut off
Automatic dispense valve
does not shut off
Automatic dispense valve
does not shut off
Automatic dispense valve
does not heat material
10 310538
Troubleshooting
WARNING
To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow
the Pressure Relief Procedure (page 11).
Loose air connectionsCheck air connections.
Worn o-ringsReplace o-rings (90) and (100) in cylin-
der base.
Worn ringReplace ring (110) in cylinder base.
Seal, spacer or retaining ring is wornReplace rod seal (150), spacer (160),
and retaining ring (170).
Obstruction inside dispense valveRemove seat adapter (10). Check and
replace if necessary, rod seal (150),
spacer (160), and retaining ring (170).
Worn needleCheck and replace needle (140), if
necessary.If replacing needle, you must
disassemble dispense valve.
Worn seat (Base seal models)Check and replace seat (10) if neces-
sary.
Seal not installed correctlyCheck seal (70) and replace if necesSeal is worn
Loose air connectionsCheck air connections.
Worn needle-seal interfaceCheck and replace, if necessary, needle
Spring broken or not installed correctlyDisassemble dispense valve. Check
Loose heater wiresCheck and reconnect wire connections.
Loose sensor wiresCheck and reconnect wire connections.
Heater unit failedReplace heater. See page 17.
Sensor failedReplace sensor. See page 17.
Temperature controller failedReplace temperature controller.
No power to heating circuitryApply power to heating circuitry.
sary.
(140), rod seal (150), spacer (160), and
.
If replacing needle, you must disas-
semble dispense valve
and replace, if necessary, needle (140),
and spring (370).
and replace, if necessary, needle (140),
and spring (370).
Service
Pressure Relief Procedure
WARNING
HOT SURFACE AND FLUID HAZARD
The material and equipment will be
hot! To reduce risk of injury, wear eye
protection, gloves and protective clothing
when installing, operating, or servicing
this dispensing system.
SKIN INJECTION HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. Fluid
under high pressure can be injected
through the skin and cause serious
injury. To reduce the risk of an injury
from injection, splashing fluid, or moving
parts, follow the Pressure ReliefProcedure whenever you:
D are instructed to relieve the pressure
D stop spraying/dispensing
D install or clean the nozzle
D check or service any of the system
equipment
This procedure describes how to relieve pressure from
the automatic dispense valve. See your supply unit or
system documentation for instructions on relieving
pressure for the entire dispensing system. Use this
procedure whenever you shut off the dispense valve
and before checking or adjusting any part of the
system, to reduce the risk of serious injury.
1.Shut off the material supply.
2.Shut off electrical power to the automatic dispense
valve.
3.Close all self bleeding air supply valves for supply
unit.
4.Have a container ready to catch the drainage, then
bleed off material pressure by actuating the dispense valve.
5.Shut off air supply to valve.
NOTE: If you suspect that the nozzle or hose is
completely clogged, or that pressure has not
been fully relieved after following the steps
above, very slowlyloosen the tip guard,
retaining nut or hose end coupling to relieve
pressure gradually, then loosen completely. Then
clear the tip/nozzle or hose.
PRESSURIZED FLUID HAZARD
High pressures can cause serious personal injury. Be sure to open the dis-pense valve during system heat-up to
alleviate pressure which might occur in
the system due to material expansion.
310538 11
Service
Prepare to Service Automatic
Dispense Valve
If the unit is hot, determine whether or not you can
service the unit after it has cooled down. Some materials, like polyurethanes, may cure permanently when
cooled and exposed to air, preventing you from disassembling the dispense valve. If you are working with
such a material, service the unit while the material is at
a temperature where the material is soft enough to
work with. If the material can be reheated at a later
time, you can service the unit after it has cooled,
reheating the material as necessary.
Perform this procedure before servicing the automatic
dispense valve.
1.Relieve the system pressure.
WARNING
To reduce the risk of serious injury, whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure (page 11).
2.Make sure material flow has been shut off.
3.Make sure system air has been shut off.
4.Remove power from the automatic dispense valve.
WARNING
HOT SURFACE AND FLUID HAZARD
The material and equipment will be
hot! To reduce risk of injury, wear eye
protection, gloves and protective clothing
when servicing this dispensing system
component.
5.If the material in the dispense valve can be reheated, wait for the dispense valve to cool thoroughly before servicing it.
If the material in the dispense valve cures permanently when cooled and/or exposed to air, service
the unit while the material is at a temperature
where the material is soft enough to work with.
12 310538
Service
Service the Automatic Dispense Valve
Some dispense valve seals and o-rings can be replaced while the dispense valve is still mounted.
However, to replace the needle, you must remove the
automatic dispense valve from the mounting bracket
and disassemble it.
Prior to installation, lubricate all seals and o-rings with
115982 Graco thermal lubricant (3 oz. cartridge) or an
equivalent lubricant. Check with the material supplier
for a compatible lubricant.
50
300
A
Disconnect Automatic Dispense Valve from
Mounting Bracket
Remove the automatic dispense valve from its mounting bracket.
1.Perform the procedures in Prepare to Service
Automatic Dispense Valve on page 12.
WARNING
HOT SURFACE AND FLUID HAZARD
The material and equipment may be
hot! To reduce risk of injury, wear eye
protection, gloves and protective clothing
when servicing this dispensing system
component.
2.Disconnect the cable plug from receptacle on
dispense valve (H). See Fig. 8 on page 13.
3.Disconnect air lines from dispense valve air
ports (G).
Fig. 8
4.Disconnect material hose from material inlet
port (A).
5.Separate the dispense valve body from the temperature conditioning manifold if used:
Reconnect Automatic Dispense Valve to Mounting
G
Snuff–Back Valve Shown
H
Bracket
Reconnect the automatic dispense valve to its mounting bracket. See Fig. 8.
1.Reconnect air lines to dispense valve air ports (G).
2.Reconnect the electrical cable plug to the receptacle (H).
3.Reconnect the material hose to the dispense valve
material inlet port (A).
310538 13
Service
Disassemble Automatic Dispense Valve
310
370
240
70
A
140
30
Fig. 9
To disassemble the automatic dispense valve:
1.Relieve automatic dispense valve pressure.
Snuff–Back Valve Shown
200
210
190
260
250
90
390
230
3.Remove the cable plug from the automatic dispense valve.
a.Remove the two screws (230) from the con-
nector cover. Then remove the connector
cover.
b.Remove the two socket head screws [Fig. 9,
Item (200)], two washers (210).The heater
cartridge (270) and
sensor (320) will come out of the dispense
valve body (Fig. 15).
4.Remove the four socket head screws (310) and
pull cylinder cap (260) and cylinder base (240)
from the dispense valve body (190). The needle
and piston remain with the cap and base.
5.Remove cap from base.
6.Remove needle from either the cap or the base
(depending on which piece it went with.) When the
needle is separated from the base, the closure
spring (370) falls out.
7.Using an o-ring pick, remove dispense valve body
seal (70).
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure (page 11).
2.Make sure you have removed the dispense valve
from its mounting.
Prior to installation, lubricate all seals and o-rings with
115982 Graco high temperature grease (3 oz. cartridge), or an equivalent lubricant. Check with the
material supplier for a compatible lubricant.
To reassemble the automatic dispense valve:
1.Make sure all parts are free of solid material
residue.
2.Reassemble adapter assembly (Fig. 10):
a.Lubricate and replace o-ring (20).
b.Lubricate and replace seal (150) and spacer
(160). Make sure the seal energizer faces
toward the material pressure.
c.Replace retaining ring (170).
d.Replace seat retainer (10).
e.Insert and tighten three socket head screws
(30 in Fig. 9).
f.Screw on nozzle adapter (C).
Fig. 10
10
Snuff–Back Valve Shown
3.Lubricate then replace dispense valve body
seal (70). Make sure the seal energizer faces
toward the material pressure.
310538 15
4.Reassemble cap and base (Fig. 11):
n
a.Lubricate o-ring (100) and ring (110).
b.Insert o-ring (100) into needle piston (140)
groove.
Service
c.Slide ring (110) on top of o-ring (100).
d.Lubricate, then replace o-rings (90) and (250).
Insert spring on base seal models (Fig. 12).
e.Insert needle assembly into cylinder cap (260).
f.Place spring (370) over shaft of needle/piston.
Seat spring in groove on piston face on snuff–
back models (Fig. 11).
g.Slide base (240), over the needle, into the
cylinder cap (260). Seat spring (370) in
groove on base.
310
260
250
90
Fig. 12
5.Reconnect the cable receptacle to the automatic
dispense valve. See Fig. 13.
a.Re-insert heater cartridge and sensor into their
appropriate holes.
b.Ensure the ground wire (380) is connected to
the bracket (330).
c.Connect the receptacle to the dispense valve
body. Then secure it with the two socket head
screws (200) and washers (210).
d.Reattach the receptacle cover . Then secure it
with the two screws (230).
Base Seal Valves
100
370
90
Fig. 11
16 310538
110
250140
240
Snuff–Back Valve Show
Fig. 13
390
200
210
230
Service
n
Replace Heater Unit or Sensor
You can replace the automatic dispense valve heater
unit or sensor without removing the automatic dispense valve from its mounting bracket. You only have
to disconnect the cable connector from the automatic
dispense valve.
This procedure requires:
D soldering iron
D solder
D shrink wrap
D wire cutters
D heat sink compound, Graco part number C07664 or
equivalent. Check with the material supplier for a
compatible compound.
1.Perform the procedures in Preparing to Service
Automatic Dispense Valve on page 12.
2.Remove the cable receptacle from the automatic
dispense valve.
3.Remove old heater cartridge or sensor.
a.Locate the leads to the part you are replacing.
b.Remove the shrink wrap from the leads.
c.Unsolder the leads from the connector. Cut the
leads on 8 pin models, leaving enough to strip
and solder the leads.
4.Install new heater unit or sensor:
390
D
C
E
B
270
F
A
320
RTD Sensor
Heater
6 Pin 120 Volt
Shown
Fig. 15
a.Remove the two screws from the connector
cover [Fig. 9, Item (230)] and remove the
receptacle cover.
b.Remove the two socket head screws [Fig. 14,
Item (200)], two washers (210). The heater
cartridge (270) and sensor (320) will come out
of the dispense valve body.
200
210
Fig. 14
2
270
320
Fig. 16
8 Pin 240 Volt Show
a.Install the shrink wrap over the leads.
310538 17
Service
b.Solder the leads to the appropriate connector
(Fig. 15) for 6 pin connector. For Therm–O–
Flow 8 pin assemblies, removal and replacement of the heaters and RTD require a pin
extraction tool, new pins, and a pin crimping
tool. These tools meet spec MIL–C–22520
[Ref. Daniels AF8 (crimp tool) or equivalent,
available at local electrical supply warehouse.
c.Coat heater or sensor with heat sink com-
pound.
d.Gently slide new heater or sensor into ap-
propriate hole.
e.Either shrink the shrink wrap, or use electrical
tape to electrically insulate the connection
between the leads and connector pins.
5.Reconnect the dispense valve to the receptacle
(Figs. 14):
a.Reattach the receptacle base to the dispense
valve body and secure it with the two socket
head screws [Fig. 14, Items (200) and washer
(210)].
b.Reattach the receptacle cover to the Amphe-
nol connector base and secure the cover with
the screws.
Inspection Frequency
Automatic Dispense Valve
Inspect automatic dispense valve at least once every
two weeks for leakage or other visible damage.
Check specifically for:
D material leaks
D air leaks
Hoses/Tubes
Inspect hoses/tubes at least once every two weeks for
leakage or other visible damage.
D material hose
D air hoses
Heater
Every two weeks, check heater for proper resistance.
Resistance should be approximately 96 ohms for the
120 volt valves or 288 ohms (+30/–40) for the 240 volt
valves. Replace heater if necessary.
Also inspect heater when performing regular maintenance procedures.
Sensor
Every two weeks, check sensor resistance. Resistance should be 108 ohms at 21° C (70° F). Replace
sensor if necessary.
Also inspect sensor when performing regular maintenance procedures.
18 310538
Parts
Model 194485, Warm (2755F/1355C max) Automatic Dispense Valve with Snuff Back
120 130
260
370
250
100 110
50
40
30
90
80
70
60
20
10
310
300
50
Cyl. air ports
1/8 npt
SECTION A–A
A
Ref. Nozzle
Adapter
240
170
160
150
140
360
230
220
200 210
190
180
290
280
30
360
350
B
B
Material Inlet
Port 1/2 npt
5/8 – 18 external thread
A
310538 19
Parts
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Model 194485, Warm (2755F/1355C max) Automatic Dispense Valve with Snuff Back
*These parts are included in Repair Kit C50594, which
may be purchased separately.
БББББББББББББББ
БББББББББББББББ
n Keep these spare parts on hand to reduce down time.
42 310538
460
390
510
Ref.330
380
1
270
D
C
E
B
F
A
SECTION B–B
340
330
390
320
(Enlarged to show detail)
1
Notes
1
Coat with heat sink compound
(400) before installing.
Accessories
p
Use Only Genuine Graco Parts and Accessories
DescriptionPart No.
LOW PRESSURE HEATED HOSES
14 MPa (138 bar, 2000 psi)
Heated hoses for use with Therm-O-Flow® 5 and Therm-O-Flow 55 supply units.
Contact your Graco Service Representative for more information.
HIGH PRESSURE HEATED HOSES
28 MPa (275 bar, 4000 psi)
Heated hoses for use with Therm-O-Flow 5 and Therm-O-Flow 55 supply units.
Contact your Graco Service Representative for more information.
HOSE FITTINGS
For use with heated hoses. Do not use fittings with temperature ratings that are lower than
the operating temperature of your system. Contact your Graco Service Representative for
more information.
#8–37° SAE [3/4–16 (m)] x 1/2 npt male adapter
#10–37° SAE [7/8”–14 (m)] x 1/2 npt male adapter
See your Graco Service Representative for information about conditioned material hoses.
C20700
C20703
NOTE: The following accessories are not applicable to Model 297266.
EXTRUSION NOZZLE ADAPTER NUT (5/8–18(f) x 1/8 npt(f)
Adapts 1/8”–27 npt (m) nozzles to dispense valve. Accepts the adapter nut. 5/8–18F X 1/8
npt(f) nozzles listed below. Contact your Graco Service Representative for more information.
DescriptionLengthOrificeThreadPart No.
Nozzle
STREAMING TIP ADAPTERS
∅ 0.469 opening adapter for automatic dispense valve. Use tips listed below. The last 3
digits of the part number indicate the orifice size. Contact your Graco Service Representative
for streaming tip selection.
Orifice Size
(inches)
Odd sizes .025” through .047”
.025270025.061270061
.037270037.063270063
.047270047.065270065
Suggested air fittings for automatic dispense valve air inlet ports. Do not use fittings with
temperature ratings that are lower than the operating temperature of your system. Contact
your Graco Service Representative for more information.
Phenolic mounting block included with
each valve can be used on fluid housing or air cylinder
2.1”
(53 mm)
2.82”
(72 mm)
Snuff–Back Style Shown
310538 45
Notes
46 310538
Technical Data
Maximum working dry air pressure1 MPa (10 bar,150 psi)
Material Inlet (to conditioning manifold)1/2” npt
Air Inlet1/8” npt
120 Volt Heater (Models C34068, C34079,
C50592, 194485, 918483, 918512, and 918639)
240 Volt Heater (Models 243694, 243695, 243696,
and 297266)
RTD Sensor100 Ohm platinum RTD, 0.00385 ohm/ohm/deg C
Weight (automatic dispense valve + connector)approx. 1.8 kg (4 lbs)
150w @ 120 Vac, 96 ohms +/–10
200w @ 240 Vac, 288 ohms +30/–40
(108.2 ohms @ 21° C (70° F))
Fluid Seal
Material
Polymite/
fluoroelastomer
PTFE/fluoroelastomer918483 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 22
PTFE/fluoroelastomer918512 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 24
PTFE/fluoroelastomer918639 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 26
PTFE/fluoroelastomer243694 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 28
PTFE/fluoroelastomer297266 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 30
PTFE/fluoroelastomer243695 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 31
PTFE/fluoroelastomer243696 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 33
PTFE/fluoroelastomerC27340 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 35
PTFE/fluoroelastomerC34068 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 37
PTFE/fluoroelastomerC34079 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 39
PTFE/fluoroelastomerC50592 205_ C (400_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 41
194485 135_ C (275_ F)241 bar, 24MPa (3500psi)10 bar, 1MPa (150psi) 20
Max.
Temp.
Maximum Fluid Working
Pressure
Maximum Air Input
Pressure
Parts
Page
PrecisionFlo™ is a trademark of Graco, Inc.
PARKER O LUBE is a trademark of Parker Seal.
POLYMITE is a trademark of Parker Seal.
Material Outlet
C34079 and 2436951/2 npt(m)
194485, 9184835/8–18 thread to accept
nozzle retaining nuts
918512, 243694, and
243696
9186393/4–16 (37°SAE #8)
Nozzle retaining nut with
1/8 npt(f)
310538 47
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
For the latest information about Graco products, visit www.graco.com.
TO PLACE AN ORDER, contact your Graco distributor, or call to identify the distributor closest to you:
Phone: 612–623–6921 or Toll Free: 1–800–328–0211 Fax: 612–378–3505
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.
For patent information, see www.graco.com/patents.
Original instructions. This manual contains English. MM 310538
Copyright 1997, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
48 310538
International Offices: Belgium, China, Japan, Korea
Graco Headquarters: Minneapolis
GRACO INC. AND SUBSIDIARIES S P.O. BOX 1441 S MINNEAPOLIS MN 55440–1441 S USA
www.graco.com
Revised July 2012
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.