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HERCULES ST-XL-PM WIPER RINGS

    ST-XL-PM Wiper Rings

    Style ST-XL-PM wipers are molded from 55D polyester and are direct replacements for Style “ST”, “ST-XL” or “D” wipers. The polyester based material provides a tough abrasion resistant wiper for heavy contaminant environments. The outside diameter of the ring has a crush lip providing extra interference in the groove. A bead on the shoulder stops contaminates from entering through the groove. The inside diameter is ribbed to prevent pressure traps between the wiper and rod seal.

    SEAL INFORMATION
    MATERIAL55D POLYESTER
    TEMPERATURE
    RANGE    		-40° TO +250° F
    SPEED12 FT/SEC
    Part NumberA
    Nom. ID    		B
    Nom. OD    		C
    Nom. Ht
    ST-100-XL-PM
    ST-137-XL-PM
    ST-150-XL-PM
    ST-175-XL-PM
    ST-200-XL-PM
    ST-225-XL-PM
    ST-250-XL-PM
    ST-300-XL-PM
    ST-350-XL-PM
    ST-400-XL-PM    		1
    1-3/8
    1-1/2
    1-3/4
    2
    2-1/4
    2-1/2
    3
    3-1/2
    4    		1-3/8
    1-3/4
    1-7/8
    2-1/8
    2-1/2
    2-3/4
    3
    3-1/2
    4
    4-1/2    		3/16
    3/16
    3/16
    3/16
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4