Parker Seals Buffer are primary seals in tandem sealing configurations. Designed to withstand pressure peaks from the system, Parker hydraulic buffer seals employ an unsymmetrical cross-section design and are often combined with anti-extrusion rings to prevent gap extrusion. State-of-the-art designs include a pressure-relief functionality from the low pressure side, addressing concerns related to drag-oil pressure trapped between the tandem elements. Our comprehensive selection of premium buffer seals are designed for use with hydraulic cylinders, providing excellent wear resistance, and high pressure capabilities. Parker Seals Buffer combine advanced polymer materials, such as PTFE or TPU with sophisticated product design.
Parker Seals Profiles –
Parker Seals
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Piston sealing set Prädifa series ZW
Piston sealing set for hydraulic cylinders including guide rings, double-acting.
Head seal Prädifa series NLA, FlexiSeal®
Symmetric head seals design. FlexiSeal. Spring-energized PTFE seal.
CT Profile, 4-Piece PTFE Cap Seal
Four-Piece Rubber-Energized PTFE Cap Seal With Anti-Extrusion for Heavy Duty Hydraulics
Standard PolyPak Hydraulic Seal With Knife Trimmed Scraper Lips (SPP)
Parker’s hydraulic SPP Profile standard PolyPak® seal is a square shaped, symmetrical squeeze seal with a knife trimmed scraper lip for hydraulic rod and piston sealing.
PTFE Chevron Stacks Prädifa
Chevron sealing set, single-acting. Consists of a radial FlexiSeal®, followed by several V-rings and an anti-extrusion ring.
Typical single lip U-cup piston seal : B7
Piston seal for hydraulic cylinders, single acting, polyurethane u-cup design.
Double acting composite PTFE piston seal: CT
Piston Seal, Double Acting, PTFE
Double acting PUR composite piston seal: OU
Piston Seal, Double Acting, Polyurethane
HGP Profile, Frac and Mud Pump Suction or Discharge Seal
HGP for frac and mud pumps provides extended service life of suction and discharge cover seals, while providing improved protection of sealing surfaces from aggressive fracking fluids and proppants.
T-Seal for Oil and Gas Applications (Prädifa)
Parker’s T-Seal is used in a wide range of applications in the oil a gas industry such as running tools, wellhead, valves, actuators and BOPs.
Piston sealing set Prädifa series N0
Note: This product is no longer available – please refer to the “Product Support” or “Recommended products” section of this page for details on any alternative products, or contact us for further assistance
Rod sealing set Prädifa series OD, Polon®
Rod sealing set for hydraulic cylinders, single-acting, PTFE slipper seal design. Low friction. For high-pressure applications. ISO 7425.
Rod seal Prädifa series BU, Ultrathan®
Rod and buffer seal for hydraulic cylinders, single-acting. Compact seal design with anti-extrusion ring. Primary seal in tandem systems. For high pressures and extreme pressure peaks. Robust design with extreme wear resistance. ISO 5597 and ISO 7425.
BR PROFILE, RESILON® POLYURETHANE ROD BUFFER SEAL FOR HYDRAULIC APPLICATIONS
BR Profile rod buffer seal used in conjunction with primary rod seals for optimal performance to withstand high pressure and system pressure spikes in hydraulic cylinder and actuator applications. Robust Resilon® polyurethane for extreme wear resistance
Rod sealing set Prädifa series JA
Rod sealing set for hydraulic cylinders, single-acting, PTFE slipper seal design. Low friction. For high-pressure applications. ISO 7425.
Composite rod PUR buffer: BR
Rod buffer seal,polyurethane,housing meet ISO7425/II