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Normally Closed Type High Vacuum Solenoid Valve XSA Series (XSA1/XSA2/XSA3) (XSA3-33N-1GS2)

SMC

A normally closed type high vacuum solenoid valve with reduced particulate matter and improved sealing performance.
[Features]
・ Flame-retardant (UL94 V-0 compliant)
・ Two types of fittings (face seal fittings / compression fittings) and female threads (Rc, NPT) are available
・ By moving the spring from the sliding part of the armature to the body part, dust generation due to contact with the spring has been reduced
・ Securely seals with a large spring force
・ Power consumption *: 4.5 W (size 1) / 7 W (size 2) / 10.5 W (Size 3) (* For DC specifications / B type. )
・ Operating temperature range: 5 to 60℃

(i)Caution

■ SMC Product Line
Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.

■ Products Planned for Online Release
Air cylinder-related product pages will be released on this site on an ad-hoc basis.
CQ2/MG types, etc., are already available.
*Vacuum equipment, FRLs, solenoid valves, etc., will also be released on dedicated pages on this site on an ad-hoc basis.
*The information above is correct as of December 2018.
The product images may be representative images only. Refer to the manufacturer's catalog for shape details.

Part Number

Configured Part Number is shown.

XSA3-33N-1GS2

Product Specifications
Part Numbers
Catalog

Normally Closed Type High Vacuum Solenoid Valve XSA Series Specifications

Face seal fitting appearance

A fitting with a high sealing performance in everything from vacuum pressure to positive pressure that forms a seal by placing a metal gasket at the end of the sleeve and the tightening of the nut.

Compression fitting external appearance

A self-aligning tube fitting that uses ferrule rings which align and connect with the tubing when the nut is tightened.

Female thread (Rc, NPT) external appearance

Model		XSA1-11 XSA1-12	XSA1-21 XSA1-22	XSA2-22	XSA2-32	XSA2-43^{Note 3:}	XSA3-32 XSA3-33	XSA3-43
Action		Normally closed
Fluids		Air, inert gas
Orifice Diameter (mm) ø		2	3		4.5	6	4.5	6
Withstand Pressure MPa (G)		1.5
Minimum Operating Pressure Pa (abs) / OUT Side		1 × 10^-6
Maximum Operating Pressure MPa (G) / IN Side		1.0
Maximum Operating Pressure Differential MPa ^{Note 1:}		0.8	0.3	1.0	0.3	0.1	0.8	0.3
Reverse Pressure Potential MPa (G) ^{Note 2:}		0.5	0.25	0.4	0.2	0.05	0.2	0.15
Amount of leakage Pa·m³/s ^{Note 4:}	Internal	1.3 × 10^-9
Amount of leakage Pa·m³/s ^{Note 4:}	External	1.3 × 10^-11
Piping Connection Method		Face seal fitting / compression fitting / (Rc, NPT) female thread
Connection Size	Face Seal Fitting (Inches) Compression Fitting (Inches)	1/4				3/8	1/4	3/8
Connection Size	(Rc, NPT) female thread	1/8		1/4		-	3/8
Ambient Temperature and Operating Fluid Temperature (°C)		5 to 60
Rated Voltage ^{Note 5:}		100/110/200/220/230/240/24/48 V AC, 12/24 V DC
Power Consumption (W) ^{Note 6:}	DC	4.5		7			10.5
Apparent Power (VA) ^{Note 6:}	AC	7		9.5			12
Coil Temperature Rise (°C) ^{Note 7:}	DC	50		55			65
Coil Temperature Rise (°C) ^{Note 7:}	AC	60		70			70
Allowable Voltage Fluctuation		±10% or less of rated voltage
Allowable Leakage Voltage	DC	2% or less of rated voltage
Allowable Leakage Voltage	AC	5% or less of rated voltage
Coil Insulation Type		Class B
Weight kg ^{Note 8:}	Face Seal Fitting	0.28		0.41		0.42	0.53	0.62
	Compression Fitting	0.28		0.41		0.42	0.53	0.55
	(Rc, NPT) female thread	0.33		0.53		-	0.74	0.74

Note 1: The operating pressure differential is the difference between port 1 (high pressure side) and port 2 (low pressure side).
Example: At 0.3 MPa, port 2 is vacuumed (1 Torr or less), while port 1 can be pressurized up to 0.2 MPa (G).
Note 2: The reverse potential pressure indicates the pressure which can be applied from port 2 when port 1 is at atmospheric pressure.
Note 3: Face seal fitting / compression fitting only.
Note 4: Amount of leakage when the ambient temperature is at 20°C and there is 0.1 MPa of differential pressure (gas permeation not included).
Note 5: AC types are all equipped with a full-wave rectifier.
Note 6: Power consumption and apparent power are values at an ambient temperature of 20°C and with rated voltage applied. (Variation range: ±10%)
Note 7: Value at an ambient temperature of 20°C and with rated voltage applied. However, this value depends on the ambient environment.
Note 8: This value is for the grommet type.

Face Seal Fitting / Compression Fitting Flow Rate Characteristics

-		XSA1-12	XSA1-22	XSA2-22	XSA2-32	XSA2-43	XSA3-32	XSA3-43
Flow Rate Characteristics	C [dm³/(s·bar)]	0.55	1.07	1.07	1.51	2.78	1.54	2.89
Flow Rate Characteristics	b	0.41	0.36	0.34	0.24	0.21	0.24	0.21

Female Thread (Rc, NPT) Flow Rate Characteristics

-		XSA1-11	XSA1-21	XSA2-22	XSA2-32	XSA3-33	XSA3-43
Flow Rate Characteristics	C [dm³/(s·bar)]	0.54	1.14	1.14	2.23	2.37	3.50
Flow Rate Characteristics	b	0.36	0.39	0.42	0.38	0.40	0.15

Face Seal Fitting and Compression Fitting Drawing

(Unit: mm)

Grommet: G dimensional drawing (lower left: no spacer / lower right: with spacer)

Grommet: GS dimensional drawing

Conduit: C dimensional drawing

Flat terminal: F dimensional drawing (left: terminal)

DIN terminal: D dimensional drawing

Terminal: T dimensional drawing

Model	A	B	Bs	C	D	E	F	L	M	P [inch]
Model	A	B	Bs	C	D	E	F	L	M	P [inch]
XSA1-□2S	22	55	24	63	30	8.5	20	3	8	1/4
XSA1-□2V	22	50	-	63	30	8.5	20	3	8
XSA2-□2S	25	63	31.5	73.5	35	11.5	22	5	10
XSA2-□2V		56	-
XSA2-43S		64.5	31							3/8
XSA2-43V		67	-	78						3/8
XSA3-32S		63	31.5		40		24.5			1/4
XSA3-32V		56	-							1/4
XSA3-43S		64.5	31							3/8
XSA3-43V		67	-	82.5						3/8

Model	Grommet: G		Grommet: GS		Conduit: C		Flat Terminal: F		DIN Terminal: D			Terminal: T
Model	G	H	G	H	G	H	G	H	G	H	J	G	H	J
XSA1-□2S	27	53.5	30	40	47.5	47.5	23	53.5	64.5	45.5	52.5	99.5	47.5	68.5
XSA1-□2V	27	53.5	30	40	47.5	47.5	23	53.5	64.5	45.5	52.5	99.5	47.5	68.5
XSA2-□2S	29.5	63	32.5	49.5	50	57	25.5	63	67	55	55	102	57	71
XSA2-□2V
XSA2-43S
XSA2-43V		67.5		54		61.5		67.5		59.5			61.5
XSA3-32S	32		35		52.5		28		69.5		57.5	104.5		73.5
XSA3-32V
XSA3-43S
XSA3-43V		72		58.5		66		72		64			66

Product Structure/Operation

Structure and operation of normally closed type high vacuum solenoid valve, XSA Series

Number	Name	Material
1	Solenoid Coil	Cu + Fe + resin
2	Fixed Iron Core	Fe
3	Tube	SUS*
4	Residual (Seat)	PET*
5	Movable Armature Iron Core Assembly’	FKM, SUS, resin (PPS)*
6	Spring	SUS*
7	Body	SUS*
8	O-ring	FKM*
9	Spacer	Al

*Parts in contact with gas

Options Descriptions

(9) Spacer (face seal fitting / compression fitting only): The spacer is used to raise the body when fastening it onto a flat area.

Working Principle

By energizing the solenoid coil (1), the armature movable iron core assembly’ (5) overcomes the composite force, which consists of the force acting on the poppet due to differential pressure and the reactive force of the spring (6), and is suctioned to the fixed iron core (2), thus opening the poppet.
When the energization of the solenoid coil (1) is stopped, the armature movable iron core assembly’ (5) separates from the fixed iron core (2) under the reactive force of the spring (6), thus closing the poppet.

Notes

*Cannot be used for emergency shut-off valves, etc. The valve described in the catalog is not designed to be used as a safety valve such as an emergency shut-off valve. For such systems, take other measures that will reliably secure safety.
*Long-term continuous energization will cause the solenoid coil to generate heat. Avoid use in airtight containers. Install in locations with good ventilation. Do not touch the solenoid valve during or immediately after energization.
*Refer to the manufacturer's catalog for product information not detailed above.

: 30; 45; 60

Part Number
XSA3-33N-1GS2

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Pipe Port Type	Plumbing Thread Nominal	Voltage	Electrical Entry Method	Orifice Diameter (ø)	Spacer	Valve size	Electrical Entry Direction (°)
	-	1 Piece(s)		Quote	[NPT] NPT	3/8	AC100V	Grommet (with surge voltage suppressor)	4.5	None	Size 3	None

Basic Information

Type	High Vacuum Solenoid	Application	Single Use	Mounting Orientation	Direct
Number of Ports	2-Port Valve	Solenoid Type	Single	Switching Type	2-Position Normally Closed
Driving Type	Directly Operated	Seal Type	Bellows Seal

Please check the type/dimensions/specifications of the part XSA3-33N-1GS2 in the Normally Closed Type High Vacuum Solenoid Valve XSA Series (XSA1/XSA2/XSA3) series.

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1 Part Numbers

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Completed

Specification/Dimensions

type
- XSA1
- XSA2
- XSA3
Clear
Pipe Port Type
- Rc
  - Rc
- NPT
  - NPT
- Face Seal Fitting
- Compression Fitting
Clear
Plumbing Thread Nominal
- 1/8
- 1/4
- 3/8
Clear
Voltage
- DC12V
- DC24V
- AC100V
- AC200V
- AC110V
- AC220V
- AC240V
- AC24V
- AC230V
- 48 V AC
- AC110V
- AC220V
Clear
Electrical Entry Method
- Conduit (with surge voltage suppressor)
- DIN terminal (With surge voltage suppressor)
- DIN terminal (with surge voltage suppressor)
- DIN terminal with lamp (with surge voltage circuit)
- DIN terminal with light (with surge voltage suppressor)
- DIN terminal without connector (with surge voltage suppressor)
- Flat terminal
- Grommet
- Grommet (With surge voltage suppressor)
- Grommet (with surge voltage suppressor)
- Terminal (with surge voltage suppressor)
- Terminal with light (with surge voltage suppressor)
Clear
Orifice Diameter(ø)
- 2
- 3
- 4.5
- 6
Clear
Spacer
- None
- With spacer
Clear
Valve size
- Size 1
- Size 2
- Size 3
Clear
Electrical Entry Direction(°)
- 90
- 180
- 270
- None
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
XSA1-11N-5F2
XSA1-11N-5G2
XSA1-11P-1DL2
XSA3-33N-2GS2
XSA3-33N-3D2
XSA3-33N-5D2

Standard Unit Price	Minimum order quantity	Days to Ship	Pipe Port Type	Plumbing Thread Nominal	Voltage	Electrical Entry Method	Orifice Diameter (ø)	Spacer	Valve size	Electrical Entry Direction (°)
-	1 Piece(s)	Quote	[NPT] NPT	1/8	DC24V	Flat terminal	2	None	Size 1	None
SGD 360.15	1 Piece(s)	32 Day(s)	[NPT] NPT	1/8	DC24V	Grommet	2	None	Size 1	None
-	1 Piece(s)	Quote	[Rc] Rc	1/8	AC100V	DIN terminal with light (with surge voltage suppressor)	2	None	Size 1	None
-	1 Piece(s)	Quote	[NPT] NPT	3/8	AC200V	Grommet (with surge voltage suppressor)	4.5	None	Size 3	None
-	1 Piece(s)	Quote	[NPT] NPT	3/8	AC110V	DIN terminal (with surge voltage suppressor)	4.5	None	Size 3	None
-	1 Piece(s)	Quote	[NPT] NPT	3/8	DC24V	DIN terminal (with surge voltage suppressor)	4.5	None	Size 3	None

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Normally Closed Type High Vacuum Solenoid Valve XSA Series (XSA1/XSA2/XSA3) (XSA3-33N-1GS2)

(i)Caution

Normally Closed Type High Vacuum Solenoid Valve XSA Series Specifications

Face Seal Fitting / Compression Fitting Flow Rate Characteristics

Female Thread (Rc, NPT) Flow Rate Characteristics

Face Seal Fitting and Compression Fitting Drawing

Product Structure/Operation

Options Descriptions

Working Principle

Notes

Basic Information

Configure

Specification/Dimensions

type

Pipe Port Type

Plumbing Thread Nominal

Voltage

Electrical Entry Method

Orifice Diameter(ø)

Spacer

Valve size

Electrical Entry Direction(°)

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

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