L shaped Valves (high vacuum angle valve)| product in-depth| IRIE KOKEN CO., LTD.

High-vacuum L-shape valve (angle valve: formed bellows shaft seal: 16A~65A)

Model designation／ordering number description

Symbol	Repetition life
1: 50,000 repetitions for manual type. 2: LX Series does not include a manual type.
No entry	100,000 repetitions (*1)
LX	1 million repetitions (*2)

Angle valve symbol

Symbol	type
D	Automatic,double-action
C	Automatic, single-acting (normally closed)
O	Automatic, single-acting (normally open)
M	Manual

Ordering Number Description

Symbol	Flange types
1	NW-KF flange
2	con-flat flange
3	JIS(VG,VF) flange
* One-side stationary,one-side rotating

Symbol	Flange types
16	NW-KF flange JIS(VG,VF) flange
25
40
50
63(65)
70	con-flat flange
114	con-flat flange

Symbol	Accessories
0	None
1	With solenoid valves,proximity switch
2	With solenoid valves
3	With proximity switch

Note 1） Be sure to specify power supply specifications if you need an optional solenoid valve.

Order form

Repetition life

Flange type

Size

Type

Accessories

Number

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Specifications

Working pressure	Atmospheric temperature to 1 x 10(-6) Pa
Leak volume	Below 1 x 10(-10) Pa・m3/s
Repetition life	FLV (automatic) 100,000 repetitions FLV (manual) 50,000 repetitions LX- FLV (automatic) 1 million repetitions
Operating pressure	0.5 to 0.6 MPa (automatic)
Bake-out temperature (heat endurance limit)	Valve body 120℃（MAX） Pneumatic actuator 65℃（MAX） In the case of those with solenoid valve50℃（MAX）
Main materials	Valve body:SUS304 Bellows:SUS316L(□FLV) Hastelloy C-22(LX-□FLV) Cylinder: Aluminum Valve seat seal: FKM(Viton®) Bonnet seal: FKM(Viton®)

Name of main parts

Technical data

Conductance	Model NO.	16A	25A	40A	50A	(63A) 65A
	□FLV	4l/sec	10l/sec	32l/sec	70l/sec	107l/sec
	LX-□FLV	3l/sec	9l/sec	27l/sec	52l/sec	93l/sec

Automatic (Single acting/Double acting [normally open/closed])

WITH NW-KF FLANGES 1FLV SERIES・LX-1FLV SERIES	WITH CF FLANGES 2FLV SERIES・LX-2FLV SERIES	WITH JIS FLANGES 3FLV SERIES・LX-3FLV SERIES

Schematic diagram

Schematic diagram of 1FLV

Schematic diagram of 2FLV

Schematic diagram of 3FLV

Dimensions table (automatic: double-acting D, single-acting C [normally closed]

CAD drawing download (member registration required)

Model No.		A	B	C	D	E	F	φH	φJ	K	N-φh	Approximate Weight(kg)	drawings
Model No.		A	B	C	D	E	F	φH	φJ	K	N-φh	Approximate Weight(kg)	PDF
(LX)1FLV	-16D.C.O	132.5	93	47	50	22.5	40	40	30	-	-	0.7	2D 3D
"	-25D.C.O	141.5	101.5	59	62	24.5	50	54	40	-	-	1.1	2D 3D
"	-40D.C.O	168	117.5	81	84.5	33	65	76	55	-	-	2.1	2D 3D
"	-50D.C.O	186.5	128.5	92	92	39	70	89	75	-	-	3.1	2D 3D
"	-63D.C.O	229	163.5	110	110	45.5	88	110	87	-	-	5.6	pdf
(LX)2FLV	-70D.C.O	173	122.5	81	84.5	33	70	76	69.3	58.7	6-6.6	2.5	pdf
"	-114D.C.O	201.5	143.5	92	92	39	85	89	113.5	92.2	8-8.5	5.0	pdf
(LX)3FLV-	-25D.C.O	151.5	111.5	59	62	24.5	60	54	90	70	4-10	1.8	pdf
"	-40D.C.O	173	122.5	81	84.5	33	70	76	105	85	4-10	3.2	pdf
"	-50D.C.O	199.5	141.5	92	92	39	83	89	120	100	4-10	4.5	pdf
"	-65D.C.O	241	175.5	110	110	45.5	100	110	145	120	4-12	7.4	pdf

Manual（Manual: M）

WITH NW-KF FLANGES 1FLV SERIES	WITH CF FLANGES 2FLV SERIES	WITH JIS FLANGES 3FLV SERIES

Schematic diagram

Image of 1FLV

Image of 1FLV

Image of 1FLV

Dimensions table(Manual: M）)

CAD drawing download (member registration required)

Model No.		A	B	φH	φD	E	F	φJ	K	N-φh	Approximate Weight(kg)	drawings
Model No.		A	B	φH	φD	E	F	φJ	K	N-φh	Approximate Weight(kg)	PDF
1FLV	-16M	124.5	47	40	43	6	40	30	-	-	0.6	2D_pdf 3D_pdf
"	-25M	136	59	54	43	8	50	40	-	-	1.0	2D_pdf 3D_pdf
"	-40M	163	81	76	60	15	65	55	-	-	1.6	2D_pdf 3D_pdf
"	-50M	176.5	92	89	60	20	70	75	-	-	2.3	2D_pdf 3D_pdf
"	-63M	204.5	110	110	60	25	88	87	-	-	4.1	pdf
2FLV	-70M	168	81	76	60	15	70	69.3	58.7	6-6.6	2.1	pdf
"	-114M	191.5	92	89	60	20	85	113.5	92.2	8-8.5	4.2	pdf
3FLV	-25M	146	59	54	43	8	60	90	70	4-10	1.6	pdf
"	-40M	168	81	76	60	15	70	105	85	4-10	2.7	pdf
"	-50M	189.5	92	89	60	20	83	120	100	4-10	3.8	pdf
"	-65M	216.5	110	110	60	25	100	145	120	4-12	5.8	pdf