Product information

Vibration isolation unit passive

Passive vibration isolation unit PST

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Compact gimbal piston mechanism that achieves advanced vibration isolation performance
The proven (dome) gimbal piston mechanism is used for the vibration isolation function, demonstrating excellent vibration isolation performance in the horizontal direction. In addition, since the structure ensures a large tank capacity, it also has excellent vertical vibration isolation performance. In addition, the variable orifice function enables optimal tuning of the balance between vibration isolation and damping performance.

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Performance/Features

A rich lineup that enhances design freedom.
All sizes and operating height are unified at 185mm.

Vibration isolation performance

Specifications/Standards

Commitment to a comfortable environment Compatible with clean rooms

・A centralized exhaust valve is adopted. Work in a clean environment is realized.
・Since there is no metal contact when not in operation, there is little dust generation.

Passive vibration isolation unit specification list (gimbal piston)
ModelPST-304PST-305PST-306PST-308
Vibration isolation methodCymbal piston type air spring
Natural frequencyVertical direction2.0-2.5Hz1.5-2.0Hz
Horizontal direction1.5-1.8Hz1.5-1.8Hz
Leveling methodAutomatic leveling
Loading mass (4 units) (kg)~ 400~ 700~ 1250~ 3000
Supply pressure (MPa)0.4 to 0.6
External dimensions (mm)A.170×170170×170200×200250×250
Mounting dimensions ( mm )B.150×150150×150180×180230×230
Working height ( mm )C.185185185185
Minimum height ( mm )D.180180180180
Mounting hole diameter ( mm )E.10101013
Upper plate thickness ( mm )T.10101010
Bottom plate thickness ( mm )F.6666
Product mass ( kg )771217

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