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HUSH SHROUD

Treatment Strategy

  • Source Airborne

Application Use

  • Industrial In-plant
  • Industrial New Con.
  • OEM
  • Environmental
  • HVAC

Description

Motor Silencers & Covers

Two Piece Sound Reduction System Attacks Motor Cooling Fan and Motor Casing Noise While Extending Motor Life

HUSH SHROUD™ snap-on model HSMC motor cover fits snugly on top of motor cooling fans. HUSH SHROUD™ slip-on model HSMS motor silencer attaches to the motor fan end-bell.
   

Advantages:

  • Reduce motor noise up to 10 dBA
  • Standard designs for all TEFC motors
  • Cooler motors by 20°F on average
  • Reduce rewinds by 50% to 75%
  • Easy to install without bolting
  • Easily modified for grease nipples and eyebolts
  • Improves motor cooling efficiency
  • Custom designs for Open Drip and DC Motors
  • Full ventilated motor enclosures available

Typical Noise Reductions:

Model HSMC Cover Only
2 to 4 dBA

Model HSMS Silencer Only
5 to 7 dBA

Model HSMCS Combination
8 to 10 dBA

 

About BRD HUSH SHROUD™ Motor Silencers and Covers:

The major noise generated in a totally enclosed fan cooled (TEFC) motor is the cooling fan inlet located in the motor end bell.  Secondary noise is emitted from the fan discharge over the motor coolign fins.  A HUSH SHROUD™ two-piece system addresses both of these sound transmission paths.

 
   Model HSMCS combination HUSH SHROUD™ cover and silencer for a pump frame 182 TEFC motor.

 
 

  Model Frame Sizes For Motors Dimensions Shell Gage Weight (lbs.)
of up to: B C E
HSMS-2 143, 145 2 BHP 9 9 16 18 20
HSMS-5 182, 184 5 11 9 18 18 25
HSMS-10 213, 215 10 12 9 21 18 30
HSMS-20 254, 256 20 14 10 25 18 35
HSMS-30 284, 286 30 16 11 27 16 50
HSMS-50 324, 326 50 18 11 31 16 65
HSMS-75 364, 365 75 20 11 35 14 85
HMS-100 404, 405 100 28 11 43 14 125
HSMS-250 444, 445, 447, 449 250 28 22 43 14 175