NOPAK Class 1, 2 & SVR Seal Kits

All parts are unconditionally guaranteed. our minimum sale is $15.00. All shipments are FOB Shipping Point

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IF THE SERIAL NUMBER OF YOUR CLASS 1, 2 OR M SHOWS "CLASS 1 (OR 2)N" USE THE PISTON KITS BEGINNING WITH "PK" U FROM THE LISTED KITS.

IF YOUR CYLINDER WAS MANUFACTURED PRIOR TO APRIL 2012, USE THE KITS BEGINNING WITH PK12M***. THESE KITS ARE AVAILABLE ONLY UNTIL PRESENT INVENTORY IS GONE. (NOTE, ALL OF THESE KITS ARE GONE)

CONTACT US using the link in the menu. We will email you a page showing the types of piston configurations available. It will make it easier to figure out which kit you need.

IF YOUR CYLINDER WAS MADE AFTER APRIL, 2012 USE THE KITS BEGINNING WITH "PKU12M*** THESE KITS INCLUDE U-CUP PISTON SEALS THAT WILL NOT FIT THE EARLIER SERIES.

THE KITS MARKED "PKUP***" INCLUDE THE NEWER U-CUPS AND A NEW PISTON THAT WILL CONVERT THE OLD STYLE CYLINDERS TO THE NEW STYLE. IF YOU HAVE A CYLINDER THAT NEEDS BUNA A (NITRILE) SEALS THEY ARE IDENTIFIED BY THE LETTER "A" AT THE END OF THE KIT NUMBERS. IF YOU HAVE A HIGH-TEMPERATURE APPLICATION REQUIRING VITON SEALS, CHECK WITH US FOR PRICING.

Consult us for assistance in determining which piston seal kit is required.


  • PK12M-200A
    PK12M-200A

    SKU #PK12M-200A

  • PK12M-250A
    FROWNY FACE

    SKU #PK12M-250A

  • PK12M-600A
    FROWNY FACE

    SKU #PK12M-600A

  • PKU-1000A
    PKU
    PKU-1000A$418.00

    SKU #PKU-1000A

  • PKU-1200A
    PKU
    PKU-1200A$645.00

    SKU #PKU-1200A

  • PKU-1400A
    PKU
    PKU-1400A$839.00

    SKU #PKU-1400A

  • PKU-150A
    PKU
    PKU-150A$51.00

    SKU #PKU-150A

  • PKU-200A
    PKU
    PKU-200A$54.00

    SKU #PKU-200A

  • PKU-250A
    PKU
    PKU-250A$58.00

    SKU #PKU-250A

  • PKU-300A
    PKU
    PKU-300A$60.00

    SKU #PKU-300A

  • PKU-400A
    PKU
    PKU-400A$64.00

    SKU #PKU-400A

  • PKU-500A
    PKU
    PKU-500A$75.00

    SKU #PKU-500A

  • PKU-600A
    PKU
    PKU-600A$83.00

    SKU #PKU-600A

  • PKU-800A
    PKU
    PKU-800A$187.00

    SKU #PKU-800A

  • PKUP-1000A
    PKUP
    PKUP-1000A$2,323.00

    SKU #PKUP-1000A

  • PKUP-1200A
    PKUP
    PKUP-1200A$4,167.00

    SKU #PKUP-1200A

  • PKUP-1400A
    PKUP
    PKUP-1400A$5,837.00

    SKU #PKUP-1400A

  • PKUP-150A
    PKUP
    PKUP-150A$156.00

    SKU #PKUP-150A

  • PKUP-200A
    PKUP
    PKUP-200A$160.00

    SKU #PKUP-200A

  • PKUP-250A
    PKUP
    PKUP-250A$162.00

    SKU #PKUP-250A

  • PKUP-300A
    PKUP
    PKUP-300A$195.00

    SKU #PKUP-300A

  • PKUP-400A
    PKUP
    PKUP-400A$227.00

    SKU #PKUP-400A

  • PKUP-500A
    PKUP
    PKUP-500A$323.00

    SKU #PKUP-500A

  • PKUP-600A
    PKUP
    PKUP-600A$423.00

    SKU #PKUP-600A

  • PKUP-800A
    PKUP
    PKUP-800A$1,016.00

    SKU #PKUP-800A

  • RK12M-100A
    RK12M-100A 1" ROD KIT$140.00
    ROD SEAL KIT FOR 1" ROD

    SKU #RK12M-100A

  • RK12M-125A
    RK12M-125A 1.25" ROD$159.00
    ROD SEAL KIT FOR 1.25" ROD

    SKU #RK12M-125A

  • RK12M-150A
    RK12M-150A 1.5" ROD$160.00
    ROD SEAL KIT FOR 1.50" ROD

    SKU #RK12M-150A

  • RK12M-175A
    RK12M-175A 1-3/4" ROD$161.00
    ROD SEAL KIT FOR 1.75" ROD

    SKU #RK12M-175A

  • RK12M-200A
    RK12M-200A 2" ROD$162.00
    SEAL KIT FOR 2" ROD

    SKU #RK12M-200A

  • RK12M-225A
    RK12M-225A 2-1/4" ROD$163.00
    SEAL KIT FOR 2.25" ROD

    SKU #RK12M-225A

  • RK12M-250A
    RK12M-250 2-1/2" ROD$183.00
    SEAL KIT FOR 2-1/2" ROD

    SKU #RK12M-250A

  • RK12M-275A
    RK12M-275 2-3/4" ROD$191.00
    SEAL KIT FOR 2.75" ROD

    SKU #RK12M-275A

  • RK12M-300A
    RK12M-300A 3" ROD$193.00
    SEAL KIT FOR 3" ROD

    SKU #RK12M-300A

  • RK12M-63A
    RK12M-63A 5/8" ROD$63.00
    ROD SEAL KIT FOR 5/8" ROD

    SKU #RK12M-63A

  • RK12M-75A
    RK12M-75A

    SKU #RK12M-75A

  • RK12M-88A
    RK12M-88A 7/8" ROD$140.00
    ROD SEAL KIT FOR 7/8" ROD

    SKU #RK12M-88A