VLBーSA050KF|VLB Series|Single Acting|Vacuum Angle Valve|Vacuum Valve|Products|ULVAC SHOWCASE

Vacuum Angle Valve

Single Acting

VLB Series

VLBーSA050KF

アルバックテクノ

Stainless steel made valve from 5/8~2 inch. Single-acting cylinder with either O-ring shaft or bellows feedthrough. Type of flange is ISO-KF.

Specifications

Model VLB-SB
Maximum allowable differential pressure on valve plate
(Positive pressure/counter pressure) MPa
0.10
Maximum allowable differential pressure in opening direction (Positive pressure/counter pressure) MPa 0.10
Plate seal O-ring
Feedthrough O-ring
Actuation Double-acting cylinder
External leak rate*1 Pa・m3/s ≦1.0E-10
Internal leak rate*1 Pa・m3/s ≦1.0E-10
Operating pressure range
(absolute pressure) Pa
Atm. ~ 1.0E-6
Bakeout temperature
(when stopping)*2
Body:150*3, actuation:70 (Indicator: 60)
Operating ambient temperature ℃ 5~70
Fluid temperature ℃ 5~70
Heating & cooling speed ℃/h ≦30
Operating ambient Non-corrosive
Fluid Non-corrosive
Compressed air to cylinder MPaG 0.50 ~ 0.60
Warranted operation cycle*4 10,000
Orientation No limitation
Position indicator Optional (sell separately)
Material of major parts (Vacuum side) Stainless steel 304
Material of major parts (Atmosphere side) Stainless steel 304, Aluminum-6061 (anodized aluminum)
Bellows material Stainless steel 316L
Seal material (Vacuum side) FKM
Grease (Vacuum side) Any grease is not used
Attachment for lifting None*5
RoHS Complied

*1 Leak rate does not include permeation in O-ring. External leak during opening and closing is not regulated in the case of O-ring shaft seal feedthrough.
*2 Do not open and close during bakeout.
*3  Regarding to VLP-MB abd VLH-MB, maximum body bakeout temperature in opening position: 200?C (392F) and in closing position: 150?C (302F).
*4 See instruction manual for detail.
*5  Lifting attachment is included for VLP-SA350JH (Eyebolt M12 x 2pcs).

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