PISTON SEAL PSU

1.250" x 1.500" x 0.188" (31.75 mm x 38.10 mm x 4.76 mm)

H&D SKU: PSU-1.50X1.25X.187

Product Availability : Only 8 Left

$7.09

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DESCRIPTION

The PSU piston Uniring is a dual durometer, one piece double-acting piston seal. It consists of a dynamic sealing and wear lamina bonded to a static sealing and activation lamina. The material used for the static lamina has high resilience and extremely low compression set. It functions as a seal energizing spring element and assures positive sealing performance throughout a broad pressure range. The dynamic sealing element is made of a harder material, selected for it’s high abrasion resistant qualities.

The PSU can readily be substituted in existing grooves to replace other types of double-acting seals, such as PTFE piston rings and T-seals.

SEAL INFORMATION

Material Type (Primary Seal): POLYURETHANE

Material Type (Energizer): 57A POLYURETHANE

Durometer (Shore D): 60

Temperature Range (F): -40 TO 195

Extrusion Gap at Various Pressures (in):

1,500 PSI: 0.040
3,000 PSI: 0.016
5,000 PSI: 0.008

Max Speed (ft/sec): 3.0

Mating Surface Roughness - Ra (µin) - DYNAMIC: 4<>16

Mating Surface Roughness - Ra (µin) - STATIC: 32 MAX

Part Number Definition (Inch): PSU-(OD)X(ID)X(HT)

Products specifications

ID (Inch)	1.250
OD (Inch)	1.500
Height (Inch)	0.188
ID (Metric)	31.75
OD (Metric)	38.10
Height (Metric)	4.76

Alternate Product Codes

PSU1.5X1.25X.187 (1)

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