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4.3SMSR-BT4/BF4 - Spring Isolator/Restrainer

SMSR-BF4 / BT4 spring mounts are designed to provide efficient isolation from critical vibrations and all-directional restraint from vertical and horizontal forces. There are two available configurations:

  • SMSR-BF4: flat top with an inside leveling adjustment feature 
  • SMSR-BT4: bolted top with leveling adjustment feature 

 

Recommended for:

HVAC equipment, fan air circulation systems, compressors, pumps, chillers, AC units, cooling towers, inertia bases, etc.

Features:
All springs at rated loads have 50% additional travel to solid load. **
All mounts' elements are safe at solid load.
Safety factor - Springs will accommodate 50% extra load from rated load to solid load. **
Recommended load range: from 50% of rated load to rated load.
Hot-dip galvanized housing provides excellent corrosion resistance.
Elastomer base & top cups provide better vibration isolation, load distribution, and noise reduction.
Springs are color-coded for easy field identification.
Anti-skid rubber acoustical pad is optional.

Click Here for Seismic Restrained Spring Mounts:

Related Products
Please contact us for larger volume orders as further discounts may apply.
ModelRated Load (lbs)Deflection at Rated Load (in)Spring Rate (lbs/in)Spring ColourPriceTypeQuantityTotal
1.5'' DEFLECTION
SMSR-4-3525601.5373Yellow
$370.00 USD
Add to cart
SMSR-4-3541,0001.5667Purple
$370.00 USD
Add to cart
SMSR-4-354-1421,5401.51,027Purple/Blue
$390.00 USD
Add to cart
SMSR-4-3562,5201.51,680Black
$370.00 USD
Add to cart
SMSR-4-356-1423,0601.52,040Black/Blue
$390.00 USD
Add to cart
SMSR-4-356-1753,4201.52,280Black/Brown
$390.00 USD
Add to cart
SMSR-4-356-1763,7201.52,480Black/Black
$390.00 USD
Add to cart
SMSR-4-356-1444,1201.52,747Black/Brown
$390.00 USD
Add to cart
SMSR-4-356-1465,9201.53,947Black/Yellow
$390.00 USD
Add to cart
SMSR-4-356-1488,5201.55,680Black/Green
$390.00 USD
Add to cart
2'' DEFLECTION
SMSR-4-3503202160Red
$370.00 USD
Add to cart
SMSR-4-350-1406402320Red/Black
$390.00 USD
Add to cart
SMSR-4-4031,3922696Black
$370.00 USD
Add to cart
SMSR-4-4041,8122906Blue
$370.00 USD
Add to cart
SMSR-4-4052,36021,180Red
$370.00 USD
Add to cart
SMSR-4-4062,70421,352Orange
$370.00 USD
Add to cart
SMSR-4-4073,14821,574Green
$370.00 USD
Add to cart
SMSR-4-4083,67221,836White
$370.00 USD
Add to cart
SMSR-4-4094,00022,000Brown
$370.00 USD
Add to cart
SMSR-4-405-1504,96022,480Red/Grey
$390.00 USD
Add to cart
SMSR-4-407-1505,74822,874Green/Grey
$390.00 USD
Add to cart
SMSR-4-409-1506,60023,300Brown/Grey
$390.00 USD
Add to cart
SMSR-4-409-1488,80024,400Brown/Green
$390.00 USD
Add to cart
Note: When product price is not shown, please call our office for technical consultation prior to place an order

Notes:

a) 350 Spring: 3” Outside diameter x 5” Free Length.

b) 140 Spring & 170 Spring: 2” Outside diameter x 5” Free Length.

c) 400 Spring: 3” Outside diameter x 5.75” Free Length.

d) 150 Spring: 2” Outside diameter x 5.75” Free Length.

e) Rated load is the maximum load recommended.

** Spring 148 at rated load has 40% additional travel to solid load.