Old Models vs. New Models

Valve Comparative table of old and new models

ULVAC'sVacuum Angle Valve (L-shaped valve)including double-and single-acting cylinders and manual operation for opening and closing, four types of connection flange, and sizes from 16 A (5/8 inch) to 900 A (36 inches), meets a wide range of needs.

The new series of small-angle valves 16 A (5/8 inch) to 350 A (14 inches) are standardized to those manufacture by SUS. In addition to the current JIS flange specifications, ISO flanges have been enhanced.
You can check the model and differences between the vacuum angle valve (L-shaped valve) you are using and the current model.

     Old model Current model
VLP-U VLP-US VLP-SA
External appearance Materials SS400 SUS304 SUS304
External surface treatment Coating GBB Buffing
Inner surface treatment Ni plating Electrolytic polishing Electrolytic polishing
Sealant Shaft seal O ring/NBR O ring/FKM O ring/FKM
Bonnet seal O ring/NBR O ring/FKM O ring/FKM
Valve body seal O ring/NBR O ring/FKM O ring/FKM
Cylinder Materials Aluminum alloy Aluminum alloy Aluminum alloy
Air pressure[MPaG] 0.45~0.55 0.45~0.55 0.40~0.60
Recommended Lead SW SMC SMC W8H

※Please refer to the "Compatability of compressed air supply port diameter" table for the cylinder connection port.
※Please check the "Recommended solenoid valve for valve driving" table for the solenoid valve.
※Large vacuum angle valves more than 500A(20 inches) are standardized to those manufacture by SS (O ring is nitrile rubber: NBR).

     Old model Current model
VULP VLP-SB
External appearance Materials SUS304 SUS304
External surface treatment GBB Buffing
Inner surface treatment Electrolytic polishing Electrolytic polishing
Sealant Shaft seal Welded bellows Welded bellows
Bonnet seal O ring/FKM O ring/FKM
Valve body seal O ring/FKM O ring/FKM
Cylinder Materials Aluminum alloy Aluminum alloy
Air pressure[MPaG] 0.45~0.55 0.40~0.60

※Please refer to the "Compatability of compressed air supply port diameter" table for the cylinder connection port.

     Old model Current model
VULP-CM VLP-MB
External appearance Materials SUS304 SUS304
External surface treatment GBB Buffing
Inner surface treatment Electrolytic polishing Electrolytic polishing
Sealant Shaft seal Welded bellows Welded bellows
Bonnet seal Metal gasket Metal gasket
Valve body seal O ring/FKM O ring/FKM
Cylinder Materials Aluminum alloy Aluminum alloy
Air pressure[MPaG] 0.45~0.55 0.40~0.60

※Please refer to the "Compatability of compressed air supply port diameter"」 table for the cylinder connection port.

     Old model Current model
VLH-U VLH-US VULH VLH-SB
External appearance Materials SS400 SUS304 SUS304 SUS304
External surface treatment Coating GBB GBB Buffing
Inner surface treatment Ni plating Electrolytic polishing Electrolytic polishing Electrolytic polishing
Sealant Shaft seal O ring/NBR O ring/FKM Welded bellows Welded bellows
Bonnet seal O ring/NBR O ring/FKM O ring/FKM O ring/FKM
Valve body seal O ring/NBR O ring/FKM O ring/FKM O ring/FKM
     Old model Current model
VULH-CM VLH-MB
External appearance Materials SUS304 SUS304
External surface treatment GBB Buffing
Inner surface treatment Electrolytic polishing Electrolytic polishing
Sealant Shaft seal Welded bellows Welded bellows
Bonnet seal Metal gasket Metal gasket
Valve body seal O ring/FKM O ring/FKM

※If you do not find the old model in the table above, please contact our sales representative.

Compatibility of Old and New Valve face-to-face Dimensions.

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Compatability of compressed air supply port diameter of old and new cylinder.

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Old Models vs. New Models

HOW TO

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