XLA-2, Aluminium High Vacuum Angle Valve, Normally Closed / Bellows Seal

Vacuum regulator with low outgassing.
[Features]
· Aluminum body.
· Replaceable bellows.
· Uniform baking temperature.
· Lightweight and compact.
· Little heavy metal contamination.

(i)Remark

■ SMC Product Line
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*The information above is correct as of October 2018.
The product images may be representative images only. Refer to the manufacturer's catalog for shape details.

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Product specification
Part Numbers
Catalog

Aluminum High Vacuum Angle Valves, Normally Closed, Bellows Seal, XLA Series Specifications

XLA external appearance (side)

Model		XLA-16	XLA (V)-25	XLA-40	XLA-50	XLA-63	XLA-80
Valve Type		Normally closed (pressurize to open, spring seal)
Fluids		Inert gas under vacuum
Operating Temperature (°C)	XLA	5 to 60 (5 to 150 for high temperature type)
Operating Pressure Pa (abs)		1 × 10^-6 to atmospheric pressure
Conductance L/s ^{Note 1:}		5	14	45	80	160	200
Leakage Pa·m³/s	Internal	For standard material (FKM): 1.3 × 10^-10, values at normal temperature and excluding gas permeation
Leakage Pa·m³/s	External	For standard material (FKM): 1.3 × 10^-11, values at normal temperature and excluding gas permeation
Flange Type		KF (NW)				KF (NW) / K (DN)
Principal Material		Main body: aluminum alloy, Bellows: Stainless steel 316L, Main parts: Stainless steel, FKM (standard sealing material)
Surface Treatment		External: hard anodized aluminum, Internal: raw material
Pilot Pressure MPa (G)		0.4 to 0.7
Pilot Port Size	XLA	M5		Rc 1/8
Weight (kg)	XLA	0.25	0.45	1.1	1.6	2.9	5.0

Note 1: Conductance is the same as that of an elbow with the same dimensions.

Structure/Operation

With solenoid valve

Valve side exhaust

By applying pressure from the pilot port, the valve linked to the piston overcomes the spring force and actuating force and opens.
XLAV normally applies pilot pressure to the 1 (P) port. The valve opens when the solenoid valve is on and closes when it is off.

Drawing

XLA air-operated type dimensional drawing

Note: A, B, and C in the figure above indicate the heater mounting positions. The heater mounting positions differ by the heater type. Refer to the manufacturer's catalog for more details.

(Unit: mm)

Model	A	B	C	D	E ^{Note 1:}	Fn	Fd	G	H
XLA-16	40	103	38	1	-	30	-	17	40
XLA-25	50	113	48	1	12	40	-	26	39
XLA-40	65	158	66	2	11	55	-	41	63
XLA-50	70	170	79	2	11	75	-	52	68
XLA-63	88	196	100	3	11	87	95	70	69
XLA-80	90	235	117	3	11	114	110	83	96

Note 1: Dimension E applies when heater option is included. (Lead wire length: approx. 1 m)

Notes

*See the catalog for information on products other than those above.
*The product images are representative images only.

Data to be displayed: 30; 45; 60

Part Number
XLA-16-2
XLA-16-2-XN1A
XLA-25-2
XLA-25-2M9//-XQ1A
XLA-25A-2
XLA-25G-2-XN1A
XLA-25G-2M9//
XLA-40-2
XLA-40-2-XN1A
XLA-40L-2
XLA-63DG-2M9//

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Flange Type	Flange Calls	Indicator	Pilot Port Direction	Switch Part Number	Seal material	Seal Change Location
440.40 €	1	4 Days	NW	16	No indicator	Flange side	No auto-switch (no magnet)	FKM (Formula No.: 1349-80)	None
447.73 €	1	26 Days	NW	16	No indicator	Flange side	No auto-switch (no magnet)	EPDM (Formula No.: 2101-80)	Valve seal 1 / valve seal 2 / external seal
458.71 €	1	4 Days	NW	25	No indicator	Flange side	No auto-switch (no magnet)	FKM (Formula No.: 1349-80)	None
783.49 €	1	26 Days	NW	25	No indicator	Flange side	No auto-switch (with magnet)	Kalrez (Formula No.: 4079)	Valve seal 1 / valve seal 2 / external seal
437.59 €	1	98 Days	NW	25	With indicator	Flange side	No auto-switch (no magnet)	FKM (Formula No.: 1349-80)	None
471.39 €	1	26 Days	NW	25	With indicator	Flange surface, back	No auto-switch (no magnet)	EPDM (Formula No.: 2101-80)	Valve seal 1 / valve seal 2 / external seal
466.96 €	1	4 Days	NW	25	With indicator	Flange surface, back	No auto-switch (with magnet)	FKM (Formula No.: 1349-80)	None
641.19 €	1	12 Days	NW	40	No indicator	Flange side	No auto-switch (no magnet)	FKM (Formula No.: 1349-80)	None
686.24 €	1	26 Days	NW	40	No indicator	Flange side	No auto-switch (no magnet)	EPDM (Formula No.: 2101-80)	Valve seal 1 / valve seal 2 / external seal
641.19 €	1	12 Days	NW	40	No indicator	Flange surface, back	No auto-switch (no magnet)	FKM (Formula No.: 1349-80)	None
1,278.06 €	1	4 Days	[Other] DN	63	With indicator	Flange surface, back	No auto-switch (with magnet)	FKM (Formula No.: 1349-80)	None

Basic information

Type	Vacuum operation vacuum valves	Application	Single Item Operating	Installation method	Direct
Number of Ports	3-port valve	Types of solenoid	Single	Switching Type	2-position Normally Closed
Pipe Port Type	Flange	Seal Type	Bellows seal	Temperature Range(°C)	5 to 60℃ (no heater)
Body Surface Treatment	External: hard anodized aluminum, Internal: base material

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Basic Attributes

Flange Type
- NW
- Other
  - DN
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Flange Calls
- 16
- 25
- 40
- 63
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Indicator
- No indicator
- With indicator
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Pilot Port Direction
- Flange side
- Flange surface, back
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Switch Part Number
No auto-switch (no magnet)

No auto-switch (with magnet)
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Seal material
FKM (Formula No.: 1349-80)

EPDM (Formula No.: 2101-80)

Kalrez (Formula No.: 4079)
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Seal Change Location
Valve seal 1 / valve seal 2 / external seal

None
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Type
- XLA-16
- XLA-25
- XLA-40
- XLA-63
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Optional Attributes

The product images may be representative images only. Refer to the manufacturer's catalog for shape details.
The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .