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Today, most of sophisticated buildings are provided with air conditioning systems and other equipment to create comfortable working or living environment. However, these mechanical equipment generate vibration, and vibration creates noise which has become a major source of resident’s complaints in modern buildings. Increasing uses of lighter weight construction and equipment located in penthouses or intermediate level mechanical rooms compound the noise and vibration problem. This increases vibration and noise transmission. Not only is the physical vibration in the structure disturbing, but noise which is regenerated by the structural movement may be heard in other remote sections of the building structure.
Tozen vibration and noise control products are designed to isolate or reduce the damaging structure vibration and annoying noise produced by mechanical equipment. Owing to continuous research and development program, Tozen is well recognized as one of the best sources of vibration and noise control products to solve general and complex vibration and noise problems nowadays. Designs of the spring elements comply with JIS B2704 (for semi-permanent use).
Spring hangers under PTH-S Series consist of a rectangular steel box incorporated with a free standing, laterally stable steel spring with load transfer steel cup with rubber washer. PTH-SG Series is similar to PTH-S Series and have a noise absorbing rubber for better performance. Both designs permit installation in hanger rods or at the ceiling.
Model PTH-S are available with 25 mm and 50 mm deflection with standard load capacity from 25 Kgs to 1,050 Kgs. PTH-SG are available with load capacity up to 700 Kgs. PTH-S and SG Series are used to isolate suspended sources of both audible and inaudible noise and vibration. Suspended equipment such as in-line fans, cabinet fans, piping and ductworks close to mechanical equipment are typical uses of these two model series.
Installation Instruction:
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