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Large Size, 3-Port Solenoid Valve, Rubber Seal, VP3145/3165/3185 Series (VP3165-125DB1-X81)

SMC

[Features]
・ Large valve capacity and small exhaust resistor
・ Easy to switch between N.C. and N.O.
・ With the switching plate, it can be used for both N.C. and N.O. without changing the port
・ It can be used in vacuum or low pressure
・ There is no limit to the mounting posture

(i)Caution

Product images may be representative. Refer to the manufacturer's catalog for details.

Part Number

Configured Part Number is shown.

VP3165-125DB1-X81

Product Specifications
Part Numbers
Catalog

Large 3-Port Solenoid Valve, Rubber Seal, VP3145/3165/3185 Series Features

Fluid		Air
Switching Method		N.C. or N.O. (Variable)
Pilot Method		Internal Pilot Type		External pilot type
Pilot Method		For general use		For vacuum and low pressures		For general use
Operating Pressure Range MPa	Main pressure	0.2 to 0.8		-101.2 kPa to +0.2		0.2 to 0.8
Operating Pressure Range MPa	Pilot Pressure	0.2 to 0.8		0.2 to 0.3		-
Ambient Temperature and Operating Fluid Temperature °C		0 (no freezing) to 60
^*1: Response Time ms (at 0.5 MPa)		ON	AC	30 or less	OFF	AC	30 or less
^*1: Response Time ms (at 0.5 MPa)		ON	DC	40 or less	OFF	DC	30 or less
Maximum Operating Frequency Hz		3
^*2: Lubrication		Required (turbine oil class1 ISO VG32 equivalent)
Manual Operation		Yes (non-locking)
Mounting Orientation		Free
^*3: Impact Resistance / Vibration Resistance: m/s²		150/50

*1: Based on JIS B 8419:2010 dynamic performance test. (Coil temperature of 20°C, at rated voltage, with no surge voltage suppressor).
*2: The solenoid valve is a lubrication type. Use an equivalent class 1 turbine oil (ISO VG32).
*3: Impact resistance: No malfunctions after testing using a drop-type impact tester under the following conditions: in the axial direction and at a right angle to the main valve and armature in both energized and non-energized states (once for each condition state). (Initial value)
Vibration resistance: No malfunctions occurred in a 1-sweep test between 45 and 1,000 Hz. The test was performed in both energized and non-energized states and in the axial direction and at right angles to the main valve and armature. (Initial value)

Solenoid Specifications

Electrical Entry	Standard		Grommet (G), conduit terminal (T), DIN terminal (D)
Electrical Entry	Semi-standard		Conduit terminal with light (TL), Conduit terminal with surge voltage suppressor (TS), Conduit terminal with light / surge voltage suppressor (TZ), DIN terminal with light (DL), DIN terminal with surge voltage suppressor (DS), DIN terminal with light and surge voltage suppressor (DZ)
Coil Rated Voltage	AC (50/60 Hz)		100 V, 200 V, 110 V, 220 V, *240 V
Coil Rated Voltage	DC		*12 V, 24 V
Allowable Voltage Fluctuation			-15% to +10% of rated voltage
^*1: Apparent Power	AC	Starting	73 VA (50 Hz), 58 VA (60 Hz)
^*1: Apparent Power	AC	Holding	28 VA (50 Hz), 17 VA (60 Hz)
^*Power Consumption	DC		12W

*Semi-standard

*At rated voltage

External pilot type

Use an external pilot type in the following situations:

Vacuum or low pressure 0.2 MPa or less: external pilot type for vacuum or low pressures
When using IN port at extremely small aperture setting: external pilot type for general use
When IN port side pressure startup is slow: external pilot type for general use
When secondary side piping resistance is low, such as for blowing or for tank filling: external pilot type for general use

*1: Use external pilot pressure within the range in the figure below.
*2: An internal pilot type cannot be reconfigured into an external pilot type. The reverse also cannot be done.

Flow Rate Characteristics / Weight Table

Valve Model Numbers	Piping connection port diameter		Flow Rate Characteristics						Weight ^* (kg)
	Piping connection port diameter		1 → 2 (IN → OUT)			2 → 3 (OUT → EXH)			Weight ^* (kg)
	1 (IN), 2 (OUT)	3 (EXH)	C [dm³/(s·bar)]	b	Cv	C [dm³/(s·bar)]	b	Cv	Grommet
VP3145	3/8	3/4	19	0.43	5.5	18	0.47	5.4	1.5
	1/2		23	0.32	6.2	21	0.39	5.8
	3/4		28	0.36	7.6	26	0.35	7.0

Valve Model Numbers	Piping connection port diameter		Effective Area (mm²)		Weight ^* (kg)
Valve Model Numbers	1 (IN), 2 (OUT)	3 (EXH)	1 → 2 (IN → OUT)	2 → 3 (OUT → EXH)	Grommet
VP3165	3/4	1 1/4	230	280	2.0
	1		280	310
	1 1/4		310	330
VP3185	1 1/4	2	570	650	2.8
	1 1/2		650	670
	2		650	670

*For grommet.
0.2 kg increase for the conduit terminal.

Internal Pilot Type Structure Drawing

As shown in the figure, this is a pilot-type solenoid valve, comprising a small 3-port solenoid valve as a pilot valve and a large 3-port valve as the main valve. Switch the pilot valve to control the pilot air, switching the main valve.
By changing the pilot passage, either N.C. or N.O. can be used.

Internal Pilot Type Structure Drawing

*To make the structure and air passage easier to understand, this drawing shows the pilot valve and the main body with a different orientation than the actual product.

Piping (Vacuum Use)

1. Piping Principles
EXH port = vacuum pump, blower → suction side
OUT port = tank, vacuum pad → load side
IN port = plug (when using as 2-port valve), atmospheric release, pressurized air
Piping should be done as detailed above.
2. Following the piping instructions above switches the vacuum passage between OUT and EXH. This means the the N.C. and N.O. notations on the function plate are the opposite compared to the vacuum circuit.
When the function plate displays N.C., the vacuum circuit is N.O. (Normally Open)
When the function plate displays N.O., the vacuum circuit is N.C. (Normally Closed)

N.C., N.O Switching

How to switch between N.C. and N.O.

Change N.C. and N.O. by removing the pilot valve and moving the function plate together with the top and bottom gaskets. For N.C., align N.C. to the triangle (▲) symbol. And for N.O., match N.O. to the triangle (▲) symbol.
However, note that the N.O. Specification only functions properly when the appropriate pressure is applied to the valve.

*See the SMC catalog for other details such as drawings, etc.

: 30; 45; 60

Part Number
VP3165-125DB1-X81

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Type	Application	Number of Ports	Mounting Orientation	Specifications	Number of Solenoids	Switching Type	Status at Power Off	Voltage	Pipe Port Type	Plumbing Thread Nominal	Plumbing	Driving Type	CV Value	Seal Type	Pressure Rating (MPa)	Pilot Air Supply	Lead wire electrical entry	Indicator light / Surge voltage suppressor	Made to order specifications	CE compliant	Body size	Related component type
	-	1 Piece(s)		Quote	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Open	Self-Recovery (Pressure Differential Return)	DC24V	[Rc (R)] Rc	1 1/4	Direct Plumbing	Pilot Type Spool	16.8	Soft Seal	0.2 to 0.8	External	DIN terminal with connector	Without indicator light / surge voltage suppressor	-	Yes	1	-

Please check the type/dimensions/specifications of the part VP3165-125DB1-X81 in the Large Size, 3-Port Solenoid Valve, Rubber Seal, VP3145/3165/3185 Series series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Made to order specifications
Main valve double acting type

None
Clear
Related component type
- Pilot valve Ass'y
Clear
type
- VP3145
- VP3165
- VP3185
- VT3113
Clear
Type
- Solenoid Valves
- Related Components
Clear
Application
- Single Use
Clear
Number of Ports
- 3-Port Valve
Clear
Mounting Orientation
- Direct
Clear
Specifications
- Standard
- Low Vacuum Compatible
Clear
Number of Solenoids
- Single
  - Single
- Double
Clear
Switching Type
- 2-Position Normally Open
- 2-Position Normally Closed
Clear
Status at Power Off
- Self-Retaining
- Self-Recovery (Spring Return)
- Self-Recovery (Pressure Differential Return)
Clear
Voltage
- DC12V
- DC24V
- AC100V
- AC110V
- AC200V
- AC220V
- AC240V
Clear
Pipe Port Type
- Rc (R)
  - Rc
- NPT
- NPTF
- G
Clear
Plumbing Thread Nominal
3/8

1/2

3/4

1

1 1/4

1 1/2

2
Clear
Plumbing
- Direct Plumbing
Clear
Driving Type
- Pilot Type Spool
Clear
CV Value
5.5

6.2

7.6

12.5

15.2

16.8

30.9

35.2
Clear
Seal Type
- Soft Seal
Clear
Pressure Rating(MPa)
- 0.2 to 0.8
- -0.1 to 0.2
Clear
Pilot Air Supply
- Internal
- External
Clear
Lead wire electrical entry
- Grommet (300 mm)
- Grommet (600 mm)
- Conduit terminal
- Conduit terminal with indicator light
- Conduit terminal with light / surge voltage suppressor
- Conduit terminal with surge voltage suppressor
- DIN terminal
- DIN terminal with connector
- DIN terminal with indicator light
- DIN terminal with light / surge voltage suppressor
- DIN terminal with surge voltage suppressor
- Grommet
- L plug connector with lead wire
- L plug connector without lead wire
- L plug connector, without connector
- M plug connector with lead wire
- Terminal with lamp surge
- Terminal with surge
Clear
Indicator light / Surge voltage suppressor
- With indicator light and surge voltage suppressor
- Without indicator light / surge voltage suppressor
Clear
CE compliant
- CE compliant product
- Non-compliant
- None
- Yes
Clear
Body size
- 1
- 1 1/2
- 1/2
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

32 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Similar Part Numbers

Part Number
VP3145-031DA1-X81
VP3145-031DB
VP3145-031DB1
VP3165-125DLA
VP3165-125DLA1
VP3165-125DLB

Standard Unit Price	Minimum order quantity	Days to Ship	Type	Application	Number of Ports	Mounting Orientation	Specifications	Number of Solenoids	Switching Type	Status at Power Off	Voltage	Pipe Port Type	Plumbing Thread Nominal	Plumbing	Driving Type	CV Value	Seal Type	Pressure Rating (MPa)	Pilot Air Supply	Lead wire electrical entry	Indicator light / Surge voltage suppressor	Made to order specifications	CE compliant	Body size	Related component type
-	1 Piece(s)	Quote	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Closed	Self-Recovery (Pressure Differential Return)	AC100V	[Rc (R)] Rc	3/8	Direct Plumbing	Pilot Type Spool	5.5	Soft Seal	0.2 to 0.8	External	DIN terminal with connector	Without indicator light / surge voltage suppressor	-	Yes	1/2	-
SGD 427.35	1 Piece(s)	32 Day(s)	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Open	Self-Recovery (Spring Return)	AC100V	[Rc (R)] Rc	3/8	Direct Plumbing	Pilot Type Spool	5.5	Soft Seal	0.2 to 0.8	Internal	DIN terminal	Without indicator light / surge voltage suppressor	-	Yes	1/2	-
SGD 435.28	1 Piece(s)	32 Day(s)	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Open	Self-Recovery (Spring Return)	AC100V	[Rc (R)] Rc	3/8	Direct Plumbing	Pilot Type Spool	5.5	Soft Seal	0.2 to 0.8	External	DIN terminal	Without indicator light / surge voltage suppressor	-	Yes	1/2	-
-	1 Piece(s)	Quote	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Closed	Self-Recovery (Spring Return)	DC24V	[Rc (R)] Rc	1 1/4	Direct Plumbing	Pilot Type Spool	16.8	Soft Seal	0.2 to 0.8	Internal	DIN terminal with indicator light	Without indicator light / surge voltage suppressor	-	Yes	1	-
-	1 Piece(s)	Quote	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Closed	Self-Recovery (Spring Return)	DC24V	[Rc (R)] Rc	1 1/4	Direct Plumbing	Pilot Type Spool	16.8	Soft Seal	0.2 to 0.8	External	DIN terminal with indicator light	Without indicator light / surge voltage suppressor	-	Yes	1	-
-	1 Piece(s)	Quote	Solenoid Valves	Single Use	3-Port Valve	Direct	Standard	[Single] Single	2-Position Normally Open	Self-Recovery (Spring Return)	DC24V	[Rc (R)] Rc	1 1/4	Direct Plumbing	Pilot Type Spool	16.8	Soft Seal	0.2 to 0.8	Internal	DIN terminal with indicator light	Without indicator light / surge voltage suppressor	-	Yes	1	-

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Large Size, 3-Port Solenoid Valve, Rubber Seal, VP3145/3165/3185 Series (VP3165-125DB1-X81)

(i)Caution

Large 3-Port Solenoid Valve, Rubber Seal, VP3145/3165/3185 Series Features

Solenoid Specifications

External pilot type

Flow Rate Characteristics / Weight Table

Internal Pilot Type Structure Drawing

Piping (Vacuum Use)

N.C., N.O Switching

Configure

Specification/Dimensions

Made to order specifications

Related component type

type

Type

Application

Number of Ports

Mounting Orientation

Specifications

Number of Solenoids

Switching Type

Status at Power Off

Voltage

Pipe Port Type

Plumbing Thread Nominal

Plumbing

Driving Type

CV Value

Seal Type

Pressure Rating(MPa)

Pilot Air Supply

Lead wire electrical entry

Indicator light / Surge voltage suppressor

CE compliant

Body size

CAD

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Specify Alterations

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