SMC Networks VMG User manual

PRODUCT NAME
BLOW GUN
MODEL/ Series/ Product Number
VMG
Document No. VM  -OMK0034-C

1
Contents
Page
1. Safety Instructions 2-7
2. Features 8
3. Specifications 8
4. Construction 9
5. Optional parts 10-11
6. Applicable S coupler (socket) 11
7. How to mount an extension nozzle to the blow gun (VMG series) 12

2
Safety Instructions
These safety instructions are intended to prevent hazardous situations and/or equipment damage. These
instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger . ” They are
all important notes for safety and must be followed in addition to International Standards (ISO/IEC)
*
1)
, and other
safety regulations.
 1)
ISO 4414: Pneumatic fluid power - General rules and safety requirements for systems and their components
ISO 4413: Hydraulic fluid power - General rules and safety requirements for systems and their components
IEC 60204-1: Safety of machinery - Electrical equipment of machines - Part 1: General requirements
ISO 10218-1: Robots and robotic devices - Safety requirements for industrial robots - Part 1:Robots
etc.
Danger
Danger
indicates a hazard with a high level of risk which, if not avoided, will result
in death or serious injury.
Warnin
g
Warning
indicates a hazard with a medium level of risk which, if not avoided, could
result in death or serious injury.
Caution
Caution
indicates a hazard with a low level of risk which, if not avoided, could result
in minor or moderate injury.
Warning
1. The compatibility of the product is the responsibility of the person who designs the equipment
or decides its specifications.
Since the product specified here is used under various operating conditions, its compatibility with specific
equipment must be decided by the person who designs the equipment or decides its specifications based on
necessary analysis and test results. The expected performance and safety assurance of the equipment will
be the responsibility of the person who has determined its compatibility with the product. This person should
also continuously review all specifications of the product referring to its latest catalog information, with a view
to giving due consideration to any possibility of equipment failure when configuring the equipment.
2. Only personnel with appropriate training should operate machinery and equipment.
The product specified here may become unsafe if handled incorrectly. The assembly, operation and
maintenance of machines or equipment including our products must be performed by an operator who is
appropriately trained and experienced.
3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed.
1. The inspection and maintenance of machinery/equipment should only be performed after measures to
prevent falling or runaway of the driven objects have been confirmed.
2. When the product is to be removed, confirm that the safety measures as mentioned above are
implemented and the power from any appropriate source is cut, and read and understand the specific
product precautions of all relevant products carefully.
3. Before machinery/equipment is restarted, take measures to prevent unexpected operation and malfunction.
4. Our products cannot be used beyond their specifications. Our products are not developed,
designed, and manufactured to be used under the following conditions or environments. Use
under such conditions or environments is not covered.
1. Conditions and environments outside of the given specifications, or use outdoors or in a place exposed to
direct sunlight.
2. Use for nuclear power, railways, aviation, space equipment, ships, vehicles, military application, equipment
affecting human life, body, and property, fuel equipment, entertainment equipment, emergency shut-off
circuits, press clutches, brake circuits, safety equipment, etc., and use for applications that do not conform
to standard specifications such as catalogs and operation manuals.
3. Use for interlock circuits, except for use with double interlock such as installing a mechanical protection
function in case of failure. Please periodically inspect the product to confirm that the product is operating
properly.

3
Safety Instructions
Caution
We develop, design, and manufacture our products to be used for automatic control equipment, and
provide them for peaceful use in manufacturing business.
Use in non-manufacturing business is not covered.
Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the
Measurement Act.
The new Measurement Act prohibits use of any unit other than SI units in Japan.
Limited warranty and Disclaimer/Compliance Requirements
The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance Requirements”.
Read and accept them before using the product.
Limited warranty and Disclaimer
1. The warranty period of the product is 1 year in service or 1.5 years after the product is delivered, whichever is
first.
∗
2)
Also, the product may have specified durability, running distance or replacement parts. Please consult your
nearest sales branch.
2. For any failure or damage reported within the warranty period which is clearly our responsibility, a
replacement product or necessary parts will be provided.
This limited warranty applies only to our product independently, and not to any other damage incurred due to
the failure of the product.
3. Prior to using SMC products, please read and understand the warranty terms and disclaimers noted in the
specified catalog for the particular products.
*2) Vacuum pads are excluded from this 1 year warranty.
A vacuum pad is a consumable part, so it is warranted for a year after it is delivered.
Also, even within the warranty period, the wear of a product due to the use of the vacuum pad or failure due to
the deterioration of rubber material are not covered by the limited warranty
Compliance Requirements
1. The use of SMC products with production equipment for the manufacture of weapons of mass destruction
(WMD) or any other weapon is strictly prohibited.
2. The exports of SMC products or technology from one country to another are governed by the relevant
security laws and regulations of the countries involved in the transaction. Prior to the shipment of a SMC
product to another country, assure that all local rules governing that export are known and followed.

4
spanner
nozzle holder
Selection
！
Warning
1. Check the specifications.
The product is designed for use only in compressed air systems. Do not operate at pressures
or temperatures, etc., beyond the range of specifications, as this can cause damage or
malfunction.
！
Caution
1. Do not use the product with flammable, explosive, or toxic substances such as gas, gas
fuel, and refrigerants. Such substances may permeate from inside the blow gun.
Mounting
！
Warning
1. Install a stop valve on the supply pressure side of the blow gun.
It will be emergency shut off in case of unexpected leakage or damage.
2. When installing a nozzle in the blow gun, wrap a sealant tape around the threads of the
nozzle.
3. When installing the nozzle, first, tighten the threaded portion by hand, then use a
wrench, secure the nozzle holder of the blow gun with a 22mm spanner without applying
force to the body, and tighten the nozzle further two or three turns. As a reference value
for the tightening torque, refer to the table below.
Insufficient tightening may cause nozzle loosening.
4. When mounting the copper extension nozzle, follow the instructions "How to mount an
extension nozzle to the blow gun (VMG series)" on page 12.
Piping
！
Caution
1. Before mounting, check the model, size, etc.
Also, check that there are no scratches, dents or cracks in the product.
2. Preparation before piping.
Before piping is connected, flush thoroughly with air or wash to remove chips, cutting oil and
other debris from inside the pipe.
Nozzle tightening torqu
e range
8 to 12 N ・ m

5
3. Sealant tape
When screwing piping or fittings into ports, ensure that
chips from the pipe threads or sealing material do not enter
the blow gun. If sealant tape is used, leave 1.5 to 2 thread
ridges exposed at the end of the threads.
4. When tightening a fitting or coupler into the port, first, tighten the threaded portion by
hand, then apply spanner of the width across flats of 22 to the width across flats of the
port of the blow gun to avoid force being applied to the product body, tighten it a
further two or three turns. Use the tightening torque specified in the table below.
Using an excessive tightening torque that is larger than the specified in the table below may
damage the unit.
5. When connecting a tube, consider factors such as changes in the tubing length due to
pressure, and allow sufficient leeway.
6. Make sure that no twist, turn, tensile force or moment load is applied on the port or tube.
It may cause the fitting to fracture or the tube to crush, burst or come off.
7. Mount so that tubing is not damaged by becoming entangled or abrasion. This can
cause crushing, bursting or disconnection of tubing, etc.
Lubrication
！
Warning
1. Do not introduce oil into the air supply.
This can damage or contaminate the object to be blown.
Air Supply
！
Warning
1. Use clean air.
Do not use compressed air that contains chemicals, synthetic oils including organic solvents,
salt or corrosive gases, etc., as it can cause damage or malfunction.
！
Caution
1. Install air filters.
Install air filters close to the blow gun on the upstream side. A filtration degree of 5 micron
millimeter or less should be selected.
M
ale
thread
torque
R1/4
8 to 12
R3/8
15 t
o 20
spanner
Port
leave 1.5 to 2 thread ridges
exposed at the end of the threads.
.
Wrap this way.
sealant tape

6
2. Take appropriate measures to ensure air quality, such as by providing an aftercooler, air
dryer, or water separator.
Compressed air containing a lot of contaminants may cause operation failure of the blow gun or
contamination/damage of the object to be blown. Therefore, take appropriate measures to
ensure air quality, such as by providing an after cooler, water separator.
Operating environment
！
Warning
1. Do not use in an environment where corrosive gases, chemicals, sea water, water or
steam are present.
2. If using in a location directly exposed to sunlight, shade the product from the sunlight.
3. Do not mount the product in locations where it is exposed to radiant heat.
4. Do not use the product in a place where static electricity is a problem. It may result in
system failure or malfunction.
5. Do not use the product in a place where welding spatter can splash or get inside the
product, as it may cause the product to catch fire.
6. Do not use in an environment where the product is directly exposed to cutting oil,
lubricant oil or coolant liquid, etc. Consult with SMC if using in such an environment.
Maintenance
！
Caution
1. Please check the following points in the regular maintenance, and replace the parts as
necessary.
a) Scratches, dent, frictional wear, corrosion
b) Air leakage
c) Squeezing or twisting of the tubing that is connected
d) Hardening, deterioration or softening of the tubing that is connected
e) Loosening of the nozzle
2. Before removing the product, stop the supply pressure and exhaust compressed air in
the piping.
3. Do not modify or reconstruct the product.
Handling
！
Warning
1. To prevent lurching of the nozzle due to air pressure, confirm that the nozzle is not
loosened or rattling by pulling it by hand before operation.
2. Be sure to wear safety goggles to protect the eyes from splashed substances.
3. Do not direct the tip of the nozzle at the face or any other parts of the human body. It
may cause injury to personnel.
4. Do not use the product to clean or remove toxic substances or chemicals.
5. Do not drop, step on or hit the product. This may cause damage.

7
6. If product is to be used in a public place, ensure product is not directed
at people or used in a manner that could adversely affect the environment.
7. This product is not a toy.
8. After blowing, be sure to hang the product on a hook, etc.
If leaving the product in a dusty place, particles will enter the
product and may result in malfunction.
9. Make sure that no twist, turn, tensile force or moment load is
applied on the port or tube when using or storing the blow gun.
It may cause the fitting to fracture or the tube to crush, burst or come off.
10. When mounting a nozzle cover, align the hexagon part of
the nozzle cover with the hexagon part of the nozzle.
When mounting the extended nozzle cover, ensure that the tip of the nozzle is inserted to the
back of the extended nozzle cover.
11. When there are cracks or play with the nozzle cover or the extended nozzle cover,
replace with a new one.
hook

8
2. Features
1. Constant operational force irrespective of supply pressure
Due to the balanced design of the product, the operating force will not be affected by changes
in the supply pressure.
For example, when it is used in the production and work lines using different pressure from
each other in a factory, it can provide the same operational force.
2. Top or bottom piping and nozzles are selectable.
The top or bottom piping can be selected for each application and piping position. Also, the
nozzle mounted to the end of the product can be chosen.
3. Energy saving valve design
The orifice shape of the main valve is improved to give a large effective area and reduce
pressure loss.
4. Hand fitting design
The product is designed to fit the hand comfortably when gripped.
3. Specifications
Fluid
Air
Operating pressure range
0 to 1.0 MPa
Proof pressure
1.5 MPa
Ambient and fluid temperature
ran
ge
-5 to 60
｡
C (No freezing)
Effective area
(Without nozzle)
C (dm
3
/s-bar): 6.0, b: 0.25
(Effective area: 30 mm
2
)
Port size
Rc, NPT, G 1/4 , 3/8
Piping direction
Bottom or Top
Nozzle port size
Rc1/4
Weight
165g
Operat
ion force (When fully open)
7N

9
4. Construction

 Grease is applied to the rubber parts and the sliding parts.
No. Description Material Remarks
1 Body L PBT
2 Body R PBT
3 Main valve PBT
4 Valve guide POM
5 Nozzle holder Aluminum alloy Anodized
6 Port Aluminum alloy Anodized
7 Elbow PBT
Used only for VMG12*
8 Cover Stainless steel
9 Ring Stainless steel
10 Arm PBT
11 Spring Stainless steel
12 Main valve seal HNBR
13 Lever PBT
14 Piping (bottom) POM
Used only for VMG11*
15 O-ring NBR
16 O-ring NBR
17 Parallel pin Stainless steel
18 Cross recessed
round head screw Stainless steel
19 Hexagon nut Stainless steel
Components

10
5. Optional parts
Nozzle with male thread/ KN
High efficiency type nozzle/ KNH
Low noise type nozzle with male thread/ KNS
Extended copper nozzle set
Note) The extended copper nozzle and the self-align fitting are shipped together without being
assembled. Refer to "How to mount an extension nozzle to the blow gun (VMG series)" on page
12 for the assembly instructions.
Model Nozzle size
KN-R02-100 ø1
KN-R02-150 ø1.5
KN-R02-200 ø2
KN-R02-250 ø2.5
VMG1-R02-300 ø3
VMG1-R02-350 ø3.5
VMG1-R02-400 ø4
Model
Nozzle size
KNH-R02-100 ø1
KNH
-
R02
-
150
ø1.5
KNH-R02-200 ø2
Model Nozzle size
KNS-R02-075-4 ø0.75x4
KNS-R02-090-8 ø0.9x8
KNS-R02-100-4 ø1x4
KNS-R02-110-8 ø1.1x8
Model
Nozzle
size
O.D.
Extended nozzle
length
VMG1
-
06
-
150
-
100
ø1.5
ø6
100
VMG1
-
06
-
200
-
100
ø2
VMG1
-
06
-
150
-
150
ø1.5 150
VMG1
-
06
-
200
-
150
ø2
VMG1
-
06
-
150
-
300
ø1.5 300
VMG1
-
06
-
200
-
300
ø2
VMG1
-
06
-
150
-
600
ø1.5 600
VMG1
-
06
-
200
-
600
ø2
VMG1
-
08
-
250
-
100
ø2.5
ø8
100
VMG1
-
08
-
300
-
100
ø3
VMG1
-
08
-
350
-
100
ø3.5
VMG1
-
08
-
250
-
150
ø2.5
150
VMG1
-
08
-
300
-
150
ø3
VMG1
-
08
-
350
-
150
ø3.5
VMG1
-
08
-
250
-
300
ø2.5
300
VMG1
-
08
-
300
-
300
ø3
VMG1
-
08
-
350
-
300
ø3.5
VMG1
-
08
-
250
-
600
ø2.5
600
VMG1
-
08
-
300
-
600
ø3
VMG1
-
08
-
350
-
600
ø3.5

11
Nozzle cover with male thread
Extended copper nozzle cover
6. Applicable S coupler (socket)
Refer to pages for tube fittings & tubings shown in the SMC's website
(URL https://www.smcworld.com) for details.
Model Material
Applicable
VMG model
Nozzle type
P5670129-01 HNBR VMG1**-*-01
to 04
Nozzle with
male thread
ø1 to ø2.5
P5670129-01F Fluororubber
P5670129-02 HNBR VMG1**-*-05
to 07
Nozzle with
male thread
ø3 to ø4
P5670129-02F Fluororubber
Model Material
Applicable
VMG model
Nozzle type
P5670129-11 HNBR VMG1
 -  -31
to 38
ø6 copper
tube
Extended
nozzle
P5670129-11F Fluororubber
VMG model Socket type Model
VMG1**-11-*
(With KK4P-02MS)
Male thread type KK4S-02 to 04MS
Female thread type KK4S-02 to 03F
Nut fitting
type
(For fiber reinforced urethane
hose)
KK4S-50 to 85N
With One-touch fitting
Straight KK4S-06 to 12H
With One-touch fitting
Elbow KK4S-06 to 12L
VMG1**-12-*
(With KK130P-02MS)
Male thread KK130*-02 to 04MS
Female thread KK130*-02 to 04F
With barb fitting
(For rubber hose) KK130*-07 to 13B
Nut fitting
(For fiber reinforced urethane
hose)
KK130*-50 to 110N
With One-touch fitting
Straight KK130*-06 to 12H

12
Preparation
1. Check that the ferrule is mounted
inside the fitting as shown in figure on
the right. Hand-
tighten the nozzle nut.
Ensure ferrule is aligned properly.
2. Insert the extended nozzle until it
touches the fitting body. Then, mark a
line on the extended nozzle at the edge
of the nozzle nut.
3. Remove the extended nozzle once,
and check the dimension A from the
end of the extended nozzle to the
marking.
If the dimension A is different from
the chart on the right, verify the
alignment of the extended nozzle and
adjust.
Extended nozzle
O.D. 6
A = Approx. 23 mm
Extended nozzle
O.D. 8
A = Approx. 24 mm
Tightening
4. After verifying the dimension A, insert
the extended nozzle into the fitting body
again.
Confirm that the extended nozzle is
inserted down to the marking.
5. Tighten the nozzle nut until the
clearance between the fitting body and
the nozzle nut is 1 mm or less.
6. Pull the extended nozzle by hand to
ensure that the extended nozzle is
secure.
7.How to mount an extended nozzle to
the blow gun (VMG Series)
Extended nozzle
Body
Nozzle nut
Ferrule
●
●
●
Tighten the nozzle nut until it touches the body.
Bottom of the fitting
body.
Put a mark.
Insert the extended nozzle until it touches the
bottom of the fitting body.
Marking
Remove it once, and
check the dimension
1mm or less
Tighten the nozzle nut until the clearance becomes
1 mm or less.
Nozzle nut
Insert to the marking.
Marking
●

Revision history
A: Models added, Changes in the
descriptions shown in "How to mount an
extended nozzle to the Blow-Gun (Series
VMG)", changes the torque.
B: Safety Instructions added.
C: Safety Instructions changed.
Extended copper nozzle set corrected
on page 10. 2023.12
4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN
Tel: + 81 3 5207 8249 Fax: [phone]
URL https://www.smcworld.com
Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.
© SMC Corporation All Rights Reserved