Preformed Ring Compression Packing Seals

Automatic PTFE Packing Rings -- CVU/CVH
from John Crane, Inc.

John Crane CVU and CVH sets cover a wide range of fluids, including acids, caustics and solvents at high temperatures and pressures. These automatic packings have superior sealing abilities, making them ideal for critical service applications. They require little or no gland adjustment and generate... [See More]

  • Seal Type: Preformed Ring
  • Construction: Multi-Braid
  • Cross Section: Square
  • Material Classification: PTFE
Packing Ring -- Grafoil Packing Ring
from Hi-Tech Seals, Inc.

They are used to retain and locate tubing and casing hangers and connectors. Each ring is molded from Grafoil ribbon pack material with precision dies designed for critical sizing. These die formed Grafoil sets are used in the world's harshest environments. [See More]

  • Seal Type: Preformed Ring
  • Material Classification: Other (Grafoil)
Cover Seals
from FTL Technology

Supplied in pre-formed rings, a graphite cover seal will offer proven sealing performance under high temperatures and pressures. Graphite cover seals are ideal for heavy duty valve applications, or high pressure heaters against very hot, high pressure media. These seals are available in sizes of up... [See More]

  • Seal Type: Preformed Ring
  • Material Classification: Carbon; Graphite
CPR Bushing
from John Crane, Inc.

The CPR bushing is designed to reduce or restrict process media from entering the stuffing box or seal chamber and, in turn, extending the packing or mechanical seal life. This product is designed for use in most types of rotating equipment, which handles a wide variety of services. With the... [See More]

  • Seal Type: Preformed Ring
  • Specialty Application: Pump / Rotating Equipment Packing; Valve Packing
  • Material Classification: PTFE
  • Rubbing Speed: 3600
Graphite Rings
from FTL Technology

Graphite rings are die formed, heavily compressed rings of graphite, and can be an exceptional substitute for many types of metal O-ring. Applicable in a wide range of industries such as Food, Pharmaceuticals and Steel, Graphite Rings can be custom made to specific requirements or part of an... [See More]

  • Seal Type: Preformed Ring
  • Material Classification: Graphite
Flexible Metallic Packing -- 1600N/100CU/100AL/124
from John Crane, Inc.

Styles 1600N, 100CU, 100AL and 124 are flexible metallic or crinkled packings designed for a wide variety of high-speed, temperature, pressure and viscosity applications. These strong, compressible packings demonstrate remarkably good shaft conformability and low friction characteristics for... [See More]

  • Seal Type: Preformed Ring
  • Construction: Multi-Braid
  • Cross Section: Square
  • Lubrication: Graphite