PISTON SEAL 5-PC METRIC

11.417" x 12.598" x 1.417" (290.00 mm x 320.00 mm x 36.00 mm)

H&D SKU: MPSA-320

Product Availability : On Back Order

$792.18

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DESCRIPTION

The MPSA piston seal is a robust assembly designed specifically for one piece pistons, but is also suitable for split pistons. This double-acting seal uses a rubber sealing element that has proved itself in service to be extremely wear resistant and capable of working most effectively in a wide range of medium duty applications. The seal is also suitable for two piece pistons.

The assembly comprises a rubber sealing element, two split support rings and two split L-shaped bearings located on either side of the seal.

The nitrile rubber sealing element is designed with multiple lips for efficient dynamic sealing with minimal low pressure friction and, when pressurized, is protected from extrusion damage by the extending lips of the support ring. The support ring is manufactured from a tough, flexible polymer and scarf cut for assembly.

Both the L-shaped bearings and support rings are grooved to ensure that the fluid pressure properly energizes the sealing element and to prevent the possibility of any pressure trapping within the seal assembly.

SEAL INFORMATION

Material Type (Primary Seal): NITRILE

Material Type (Support Rings): POLYESTER

Material Type (Bearings): POLYACETAL

Durometer (Shore A): 80

Temperature Range (F): -22 TO 212

Max Pressure (psi): 5000

Extrusion Gap at

Max Pressure (mm): 0.60

Max Speed (ft/sec): 1.5

Mating Surface Roughness - Ra (µm) - DYNAMIC: 0.1<>0.4

Mating Surface Roughness - Ra (µm) - STATIC: 1.6 MAX

Part Number Definition (Metric): MPSA-(BORE DIAMETER)

Additional Part Number Definition (Metric): 100MM BORE = MPSA-100

Products specifications

ID (Inch)	11.417
OD (Inch)	12.598
Height (Inch)	1.417
ID (Metric)	290.00
OD (Metric)	320.00
Height (Metric)	36.00

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