Custom Piston Rings by Precision Rings, Inc. of Indianapolis

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	Piston Rings

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A piston ring is a gapped ring that is placed into a groove on the inner diameter of a bore or housing to seal the media and prevent leakage. Precision Rings, Inc. (PRI) design and engineering team will review prints or drawings to help determine the best process to manufacturer Piston Rings. Precision’s engineering team is also capable of seal rings based on operating conditions including, temperatures, pressures, and environmental conditions. PRI has extensive experience creating Piston Rings for use with all types of solids, fluids, and gases, as well as extreme operating conditions and environments. Precision Rings can produce Piston Rings from a wide array of materials to ensure the proper performance, fit, and quality for your design. All custom piston rings are subjected to intensive quality assurance process prior to delivery. PRI can help with prototype projects or high volume runs.

Specifications

Applications

Eco Friendly

Shipping

Ring Gap Style

Quality Assurance

Temperature Limits		-100 to 2000 ºF -73 to 1093 ºC

Diameter		0.200 in to over 100 inches.

Materials Commonly Used to Manufacture		Below is a list of materials PRI commonly uses to manufacture piston and seal rings. Please note this is not an exhaustive list of materials used. 17-4 PH 17-7 PH 300 Series Stainless 400 Series Stainless A286 Aluminum Alloy Aluminum Bronze Hastelloy Inconel 600 Inconel 625 Inconel 792 Inconel X-718 Inconel X-750 K-Monel Ni Resist Irons Nitronic 60 Rene 41 S-Monel Stellite 25 Stellite 31 Titanium Alloy Torlon Vespel DuPont SP-1, SP-21, and SP-22 Virgin Teflon Waspaloy

Type of Seal		Expanding larger image Contracting larger image

Ring Types		One Piece Ring larger image Two Ring Combination larger image Three Ring Combination larger image Marcel Spring larger image Pinned larger image

Surface Protection Treatment		Precision Rings, Inc. offers a wide array of surface protection treatments. Since each design is custom, the engineering department can select the optimum treatment for each application if necessary.

Media to be Sealed		Precision Rings can create Piston Rings to seal all gases, liquids, semi-solids, and solids.

Turning Tolerances		Accuracy - ±0.0002 (CNC Lathes) Accuracy - ±0.0005 (Vertical Turret Lathe) Repeat Accuracy - ±0.0002 (CNC Machine Centers)

Grinding Tolerances		Blanchard Accuracy - ±0.0004 O.D. & I.D. Accuracy - ±0.0002

Milling Tolerances		Repeat Accuracy - ±0.0005

Coordinate Measuring Machine Accuracy		±0.0002

Heat Treating		Precision has the capability of heat treating when required by material specifications and/or design criteria.

Heat Treat (Furnaces)		2500 ºF

Heat Treat (Deep Freeze)		-100 ºF

Heat Treat (Salt Baths)		1100 ºF

Order Volumes		Custom Piston Rings can be created for prototyping or high volume runs.

Drawing Types Accepted		bmp doc dwg iam idw iges ipt jpeg pdf ppt sat step stl tif xcl xel zgl

Types of Motion		Butterfly Valve Reciprocating Rotating Static

Pressure Differentials		Precision Rings, Inc. can create Piston Rings to satisfy design criteria for any pressure differential. This includes both standard and pressure reversing systems.