Starline Enterprises

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Metal Base Open Spring Mount



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We are the respected Manufacturer, Exporter and Supplier of durable Metal Base Open Spring Mount. Our Metal Base Open Spring Mount helps to isolate vibration from rotation and reciprocating machines. It is widely applied in air handling units, axial and centrifugal fans, ductwork, pipe work, condensing units, pump units, chillers, genset, etc. Metal Base Open Spring Mount is provided along with upper load plate and leveling assembly for accurate leveling.

Conforms To
  • Designed to BS 1726 – 1 : 1987
  • Tolerance to BS 1726 – 1 : 2002
  • SAE and Ashrae Guidelines for vibration Isolation

Features
  • Laterally Stable springs are designed to prevent spring buckling and capable of 50% overloading capacity.
  • Springs and casing are powder coated with 100 hours of salt spray test conforming to Astm b-117.
  • Upper load plate and leveling assembly are provided for accurate leveling.
  • In heavier capacities, springs are welded to load plate with neoprene pad.
  • Standard product range offers upto 2" deflection with optional custom made isolators of higher deflection.
  • Thick ribbed neoprene pads are provided below load plate noise isolation and non skid.
  • Colour Coded coated springs for easy identification of load.

Selection / Ordering : Static Load.


Selection Table (Table No. : C-05-01) Isolation Efficiency at Typical Machine Speeds

M/C Speed (rpm) Efficiency %
15mm Defl. 25mm Defl. 50mm Defl.
300 Di not use 34 75.2
500 68.7 83.3 92.3
750 88.1 93.2 96.7
1000 93.7 96.3 98.2
1200 95.5 97.4 98.7
1500 97.3 98.4 99.2
1750 98 99.8 99.4
2000 98.5 99.1 99.5

 

Note : The above figures are theoretical values only based on the vertical natural frequency of the spring system assuming in infinitely stiff structural supports. The effects of high frequency spring coil resonances on low frequency performance are also ignored.


Technical Specifications (Table No : C-05-02) Design Data & Dimensions

Part No. Colour code Rated load (kg) Deflection at Rated Dimensions (mm)
A B C D E F G H J
SOSM25/30 Yellow 30 25                  
SOSM25/60 Green 60 25                  
SOSM25/100 Blue 100 25 115 85 75 110 10 M10 8 20 55
SOSM25/160 White 160 25                  
SOSM25/250 Red 250 25                  
SOSM25/200 Red 200 25                  
SOSM25/300 Purple 300 25                  
SOSM25/400 Grey 400 25                  
SOSM25/500 Orange 500 25 144 110 100 140 11 M16 12 27 75
SOSM25/600 Brown 600 25                  
SOSM25/700 Orange / Black 700 25                  
SOSM25/800 Brown/Black 800 25                  
SOSM50/100 Yellow 100 50                  
SOSM50/200 Green 200 50                  
SOSM50/300 Blue 300 50 180 110 100 140 11 M16 12 27 75
SOSM50/400 White 400 50                  
SOSMS50/500 Red/Black 500 50                  
SOSM25/650 Yellow 650 26                  
SOSM25/850 Green 850 27                  
SOSM25/1050 Blue 1050 26 175 165 130 200 18 M20 16 42 127
SOSM25/1250 White 1250 26                  
SOSM25/1300 Red 1300 27                  
SOSM25/1600 Purple 1600 25                  
SOSM25/2000 Grey 2000 26 225 210 150 250 18 M24 16 51 152
SOSM25/2300 Brown 2300 29                  
SOSM50/510 Black/Purple 510 51                  
SOSM50/760 Black/Grey 760 51                  
SOSM50/1000 Black/Orange 1000 50 240 210 150 250 18 M20 16 42 127

 

Note : Internal Nested Spring spring stiffness is linear over its working range. 


(Table No : C – 05 – 03)

Part No. Colour code Rated load (kg) Deflection at rated load (mm)
SOSM20/10 Purple 10 20
SOSM20/15 Yellow 15 20
SOSM20/20 Grey 20 20
SOSM20/40 Green 40 20
SOSM20/70 Red 70 20
SOSM15/100 Blue 100 15

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