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 Engineered Spring Supports
Hydraulic Shock & Sway Suppressor:
Fig 2100: hydraulic
Msa 1/4-Msa-100: mechanical snubbers

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 Engineered Spring Supports - Hydraulic Shock & Sway Suppressor
 
Application: For use on piping systems or equipment when unrestrained thermal movement must be allowed, but which must be restrained during impulsive or cyclic disturbance. The unit is not effective against low amplitude, high frequency movement. Preferred usage, with standard settings, to prevent destructive results due to earthquakes, flow transients, or wind load. Special settings are available to absorb the continuous thrust resulting from safety valve blow-off or pipe rupture. For the most effective operation of the unit, please specify the mounting position, vertical or horizontal.
Size Range: PTP offers seven sizes with cylinder bores of 1 1/2 to 8 inches. These units have a normal load range of 3,000 lbs. to 110,000 lbs. All are made to include reservoirs in 6, 10, 15, or 20 inch strokes, except the 1 1/2 inch size. The 1 1/2 inch size is offered only in 6 & 10 inch strokes only. Snubbers, as they are sometimes referred to, are available with remote reservoirs.
Ordering: Please specify figure no., cylinder size, stroke, load, cold and hot piston settings, and piston end option. If clamp is required, please specify nominal pipe size, or special O.D. and clamp material. Please specify or describe any additional optional features or special settings required.

DIMENSIONS

CYLINDER SIZE

 A B *C

CYLINDER SIZE (INCH)

MAX. RECOM. NORMAL LOAD lbs*

1 1/2

2

1 5/8

9 1/2"+ STROKE

1 1/2(5" STROKE)

3000

2 1/2

2 1/2

2 1/4

10 7/8"+STROKE

1 1/2(10" STROKE)

1250

3 1/4

3 1/4

3

12 5/8"+STROKE

2 1/2

12500

4

4

3 3/4

14 1/2"+STROKE

3 1/4

21000

5

5

4 1/2

16"+STROKE

4

32000

6

5 3/4

5 1/2

18 5/8"+STROKE

5

50000

8

7 1/4

6

23 7/8"+STROKE

6

72000

* Add cold piston setting for cylinder install length.

8

128000

*Loads must not be applied outside a 10 deg included angle cone of action to the pipe clamp axis w/o special authorization.

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