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Aventics PowerMaster®
NFPA Steel Hydraulic Cylinders

As an authorized distributor of Aventics, John Henry Foster Company is your place for PowerMaster® hydraulic steel NFPA tie rod cylinders and accessories. These cylinders are available with a full range of standard precision machined mountings and custom modifications, including stop tubes, limit switches, optional ports and seals, special rod ends, etc.

      Standard Features include:
    • Meet or exceed all J.I.C. and NFPA requirements
    • Pressure Rating for Hydraulic (PHT) up to 1500 PSI
    • Piston Rod Diameter: 5/8” through 5½”
    • Standard Mountings: 21
    • Bore Sizes: 1½” through 14”
    • Temperature Range:
      -65ºF to +200ºF ambient for standard Buna-N rod seals
      -15ºF to +400ºF when fluorocarbon seals are used.
    • NPTF ports standard.
      Options: BSPP and ISO 6149-1, SAE (PHT only).
    • Rod End Threads: Standard male and female straight thread;
      plus optional male thread sizes.
    • Cushioning available in all bore sizes, and at either or both ends.
    • Piston Rods: Case hardened 50-55 Rockwell “C”, chrome-plated and finished to 15 microinches or better.
    • Tie Rods: High-tensile, 1144 STRESSPROOF steel torqued at factory to standard specifications and secured by self-locking nuts.
    • Honed tubing, to 12 microinch finish. Pneumatic version has chrome plated I.D.


Contact us today for solutions that will enhance your energy efficiency, productivity and operations.


Aventics PowerMaster NFPA Cylinders
Aventics PowerMaster® NFPA Cylinders
Aventics PowerMaster NFPA Cylinders

Aventics “Preferred Standard” NFPA Cylinders
PowerMaster® Steel
Hydraulic Cylinders (PPT) (500-1500 psi)
1-½”, 2”, 2-½”, 3-¼”, 4”, 5”, 6”, 8”
Strokes to
Rod Diameters
5/8” thru 2” (standard, 1st & 2nd oversize)
Extended Rods
(“W” dimensions)
Piston set screwed to rod
1-½” to 8”: MX0,1, 2, 3, 4; MP1; MS2; MT1; MT2 and MT4
1-½” to 6”: MF1, MF2, MF5, MF6, MP2 and MS4
8” only: ME3 & ME4
Standard rod ends
KK1, KK2 male, KK1 Female, studded, SAFE.
Port or Cushion locations
Quadrants 1, 2, 3, 4 (except MT1 and MT2 which are at 1 or 3)
Either Buna N or Viton
Quantities up to 5 pieces for a given model


Aventics “Preferred Standard” NFPA Cylinders
Available Mountings
Hydraulic (PHT)
Aventics PowerMaster Cylinder Mountings
Hydraulic (PHT)