Catalogue NFPA Interchangeable Cylinder - Series: F
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umaTits
"ll,BIM" FSeries
Non-Rotating NFPA Interchangeable
The F Series is a Non-Rotating NFPA Interchangeable industrial pneumatic cylinder line that provides the solution to specific applications where piston rotation is not acceptable. Our innovative dual rod design provides precision positioning and linear movement. This makes the F Series ideal for a multitude of high-tech applications.
Tube
The tube is hard coat anodized. The hard coating is an electro-chemical process which produces a very dense surface of aluminum oxide. This surface has extreme hardness (60 RC), excellent wear and corrosion resistance, and a low coefficient of friction. Additionally, profile tubing is standard on 1-1/2" through 2-1/2" bore sizes (3-1/4" and 4" bores are the tie rod construction).
The end caps are accurately machined from (6061-T6) solid aluminum bar stock. They are anodized for corrosion resistance. Additionally, a recess on the piston-mating surface (at both ends) enables the air to work on a larger piston area for effortless breakaway.
Rod Bushing
The F Series includes a industrial graphite filled, cast iron rod bushing that is extra long in length. Graphite filling offers the best bearing surface when using a hard chrome plated piston rod. Cast iron provides maximum resistance against wear. The added length adds superior alignment and support of the piston rod as well as provides maximum load bearing support.
Rod seal and Wiper
The unique rod industrial seal and wiper combination is made with carboxilated nitrile with Teflon® compound and is self-lubricating and durable. The rounded lip design ensures proper sealing and long life.
Piston Rod Cushion Seal
High strength steel (100,000 psi minimum yield) piston rod has a The floating cushion seal design enables rapid stroke reversal by
ground, polished, and chrome plated surface. This surface provides providing instantaneous full flow to the piston. Each cushion has a
maximum life for both the rod bushing and the seals. flush, retained adjustment needle.
Retaining Plate Tube End Seal
The steel retaining plate has dual functions. It retains the bushing The tube end seals are compression type and reusable.
as well as inhibits rod rotation. Precise tolerances on both the bushing
and the retaining plate allows for a exact fit which prevents rod rotation. Ports
By simply removing the four countersunk screws that maintain exact Our enhanced port design enables the cylinder to work more
alignment, the orientation of the piston rod and tooling plate can be efficiently. Through the use of precise machining depths and tool
rotated 90° without cylinder disassembly. shape, we are able to smooth the flow path into and out of the cylinder.
Tooling Plate
The tooling plate is machined from solid steel. The tooling plate is Teflon® is a registered trademark of DuPont™. reversible, offering both a flush or concentric mount.
The piston seal is a carboxilated nitrile with Teflon® compound for self-lubricating. The "T" seal with back-up ring construction prevents rolling and seals at all pressures.
Wear Band
The wear band is a stable, lubricating strip located on the piston. We separated the load bearing points by locating the wear band at the rear of the piston. This maximizes column strength at full extension.
Piston
The solid aluminum alloy piston is strong and durable.
• Meets NFPA specifications
• Bore sizes from 1-1/2" through 4"
• Piston rod diameters from 5/16" to 3/4"
• Nominal pressure rating is 250 psi air
• Standard temperature -10°F to 165°F (-23°C to 74°C)
• All aluminum construction, except retaining plate and tooling plate (steel)
• NPTF ports
• Flexible port and cushion locations
Information subject to change without notice. For ordering information or regarding your local sales office visit www.numatics.com.
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