Vacuum Flexible Hoses

Vacuum Fittings

Vacuum Flexible Hoses

Features:

1. Flexible tube can be designed according to different specification.
2. Soft and hard series for option.
3. Standard materials are 304 and 316L stainless steel.
4. Forged flanges and fittings for better quality.
5. No oxide passivation films covered during the welding process
6. Automatic welding to ensure the high quality and stable supplies.
7. Customized length for maximum 3 meters.
8. Mating CF, ISO, KF, JIS, and Pipe end flanges available.
9. Special size and length available upon request.
10. Hoses are 100% tested before shipping.
11. Working Temperature: ≤250℃
12. Helium leak rate: ≤1×10-9 PaM3/Sec
13. Service Life:≥1×104 repetitions. However, the severity of the flexing, temperature, corrosive conditions, pressure and vibration may affect the usage.

Soft Type (SV Type)

NOMINAL DIA	Dimensions (mm)				Contraction Rate %
NOMINAL DIA	ID	OD	THICKNESS	Min. Bend Radius	Contraction Rate %
20A	0.80″ (20.4)	1.20″ (30.5)	0.20	70	4%
25A	1.06″ (27.0)	1.42″ (36.0)	0.20	90	4%
40A	1.61″ (41.0)	2.13″ (54.0)	0.20	120	8%
50A	2.11″ (53.5)	2.76″ (70.0)	0.25	140	11%

Hard Type (BO Type)

NOMINAL DIA	Dimensions (mm)				Contraction Rate %
NOMINAL DIA	ID	OD	THICKNESS	Min. Bend Radius	Contraction Rate %
25A	1.04″ (26.5)	1.48″ (37.5)	0.30	90	2%
40A	1.59″ (40.5)	2.19″ (55.5)	0.30	120	2%
50A	2.15″ (54.5)	2.85″ (72.5)	0.40	140	4%
65A	2.52″ (64.0)	3.39″ (86.0)	0.40	150	6%
80A	3.03″ (77.0)	3.90″ (99.0)	0.40	220	7%
100A	4.00″ (101.5)	4.94″ (125.5)	0.40	280	10%

KF Clamp Flange Type Soft Series

Flange Size	Dimensions, in. (mm)		Tube Sepcifiction, in. (mm)
Flange Size	A	B	ID	OD
KF16	1.18″ (30.0)	0.71″ (18.0)	0.80″ (20.4)	1.20″ (30.5)
KF25	1.57″ (40.0)	0.71″ (18.0)	1.06″ (27.0)	1.42″ (36.0)
KF40	2.17″ (55.0)	0.71″ (18.0)	1.61″ (41.0)	2.13″ (54.0)
KF50	2.95″ (75.0)	0.71″ (18.0)	2.11″ (53.5)	2.76″ (70.0)

ISO Flange Type

Flange Size	Dimensions, in. (mm)		Tube Sepcifiction, in. (mm)
Flange Size	A	B	ID	OD
ISO-K-63	3.74″ (95.0)	2.76″ (70.0)	2.52″ (64.0)	3.39″ (86.0)
ISO-K-80	4.33″ (110.0)	3.27″ (83.0)	3.03″ (77.0)	3.90″ (99.0)
ISO-K-100	5.12″ (130.0)	4.02″ (102.0)	4.00″ (101.5)	4.94″ (125.5)
ISO-K-125	6.10″ (155.0)	5.00″ (127.0)	5.00″ (127.0)	5.98″ (152.0)
ISO-K-160	7.09″ (180.0)	6.02″ (153.0)	5.93″ (150.5)	7.03″ (178.5)
ISO-F-63	5.12″ (130.0)	2.76″ (70.0)	2.52″ (64.0)	3.39″ (86.0)
ISO-F-80	5.71″ (145.0)	3.27″ (83.0)	3.03″ (77.0)	3.90″ (99.0)
ISO-F-100	6.50″ (165.0)	4.02″ (102.0)	4.00″ (101.5)	4.94″ (125.5)
ISO-F-125	7.87″ (200.0)	5.00″ (127.0)	5.00″ (127.0)	5.98″ (152.0)
ISO-F-160	8.86″ (225.0)	6.02″ (153.0)	5.93″ (150.5)	7.03″ (178.5)

CF Flange Hard Series

Flange Size	Dimensions, in. (mm)		Tube Sepcifiction, in. (mm)
Flange Size	A	B	ID	OD
CF40HA	2.76″ (69.5)	2.31″ (58.7)	1.04″ (26.5)	1.47″ (37.3)
CF40HB	2.76″ (69.5)	2.31″ (58.7)	1.59″ (40.5)	2.19″ (55.5)
CF63HA	4.49″ (113.6)	3.63″ (92.2)	1.59″ (40.5)	2.19″ (55.5)
CF63HB	4.49″ (113.6)	3.63″ (92.2)	2.11″ (53.5)	2.76″ (70.0)
CF100	5.98″ (151.6)	5.13″ (130.3)	3.03″ (77.0)	3.90″ (99.0)
CF160	7.99″ (202.5)	7.13″ (181.0)	4.00″ (101.5)	4.94″ (125.5)

JIS Flange Type Soft Series

Nominal DIA	Dimensions, in. (mm)		Tube Sepcifiction, in. (mm)
Nominal DIA	A	B	ID	OD
25	3.54″ (90.0)	2.76″ (70.0)	1.06″ (27.0)	1.42″ (36.0)
40	4.13″ (105.0)	3.35″ (85.0)	1.61″ (41.0)	2.13″ (54.0)
50	4.72″ (120.0)	3.94″ (100.0)	2.11″ (53.5)	2.76″ (70.0)

Pip End Type (UNBRAIDED)

Tube Size	Dimensions, in. (mm)		Tube Sepcifiction, in. (mm)
Tube Size	A	B	ID	OD
1/4″	0.25″ (6.4)	1.18″ (30.0)	0.24″ (6.0)	0.51″ (13.0)
3/8″	0.37″ (9.5)	1.18″(30.0)	0.39″ (10.0)	0.59″ (15.0)
1/2″	0.50″ (12.7)	1.18″ (30.0)	0.51″ (13.0)	0.75″ (19.0)

*For more information of vacuum flexible hoses, please feel free to contact us.

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