Molded in polyurethane this buffer is a simple flat, washer-like profile
| SEAL INFORMATION | |
|---|---|
| MATERIAL | URETHANE |
| TEMPERATURE RANGE | -40° to +200° F |
| PRESSURE RANGE | 0 to 5,000 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix) - (ID) x (OD) x (H) |
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A double acting piston seal with many features; two compact seal edges to concentrate the load against the dynamic surface, a cavity between the two external seal edges to retain fluid (reducing friction and wear), side grooves to allow pressure to load the energizer in all working conditions, high sealing performance at low pressure, excellent wear-resistance, and high resistance against extrusion.
SEAL INFORMATION MATERIAL 97A URETHANE SEAL
70A NITRILE EXPANDERTEMPERATURE RANGE -22° TO +210° F PRESSURE RANGE 0 TO 5,800 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix) - (OD) x (ID) x (W) MAXIMUM EXTRUSION GAP Pressure (PSI) 725 1450 2900 4350 5800 Max Diametrical Gap (inches) 0.047 0.031 0.016 0.010 0.007 -
A double acting piston seal with many features; two compact seal edges to concentrate the load against the dynamic surface, a cavity between the two external seal edges to retain fluid (reducing friction and wear), side grooves to allow pressure to load the energizer in all working conditions, high sealing performance at low pressure, excellent wear-resistance, and high resistance against extrusion.
SEAL INFORMATION MATERIAL 97A URETHANE SEAL
70A NITRILE EXPANDERTEMPERATURE RANGE -22° TO +210° F PRESSURE RANGE 0 TO 5,800 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix) - (OD) x (ID) x (W) MAXIMUM EXTRUSION GAP Pressure (PSI) 725 1450 2900 4350 5800 Max Diametrical Gap (inches) 0.047 0.031 0.016 0.010 0.007 -
Molded in PTFE with a rubber energizer, this seal absorbs the shock of pressure spikes protecting the rod seal.
SEAL INFORMATION MATERIAL FILLED PTFE BUFFER
70A NITRILE
ENERGIZERTEMPERATURE RANGE -40° to +220° F PRESSURE RANGE 0 to 5,000 PSI SPEED 12 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Molded in PTFE with a rubber energizer and a nylon anti-extrusion ring, this seal absorbs the shock of pressure spikes protecting the rod seal.
SEAL INFORMATION MATERIAL PTFE BUFFER
70A NBR ENERGIZER
NYLON BACK-UPTEMPERATURE RANGE -40° to +220° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
For two piece pistons, this seal incorporates a nitrile / fabric seal with two split bearings.
SEAL INFORMATION MATERIAL NITRILE SEAL
ACETAL BEARINGTEMPERATURE RANGE -22° to +190° F PRESSURE RANGE 0 to 5,000 PSI SPEED 1.5 FT/SEC -
Please specify 75 or 90 Durometer when ordering. Metric o-rings are offered in minimum package quantities (MP in chart).
SEAL INFORMATION - 70 DURO MOR-JIS STYLE MATERIAL 70A DURO NITRILE TEMPERATURE RANGE -40° to +220° F PART NUMBER (Prefix) - (ID) x (CS) SEAL INFORMATION - 70 DURO NITRILE MATERIAL 70A DURO NITRILE TEMPERATURE RANGE -40° to +220° F PART NUMBER (Prefix) - (ID) x (CS) SEAL INFORMATION - 75 DURO FLUOROCARBON MATERIAL 75A DURO FLUOROCARBON TEMPERATURE RANGE -20° to +400° F PART NUMBER (Prefix) - (ID) x (CS) SEAL INFORMATION - 90 DURO NITRILE MATERIAL 90A DURO NITRILE TEMPERATURE RANGE -40° to +220° F PART NUMBER (Prefix) - (ID) x (CS) -
SEAL INFORMATION MATERIAL RUBBER SEAL
STEEL CASETEMPERATURE RANGE -40° TO +225° F PRESSURE RANGE 10 PSI @ 1000 FPM PART NUMBER (Prefix) - (ID) X (OD) X (H) -
Molded from filled PTFE and machined to close tolerances these seals feature low friction and excellent wear characteristics. Nitrile o-rings are used for energizers.
SEAL INFORMATION MATERIAL PTFE PISTON SEAL
70A NITRILE ENERGIZERTEMPERATURE RANGE -40° TO +230° F PRESSURE RANGE 0 TO 5,000 PSI SPEED 12 FT/SEC PART NUMBER (Prefix) - (ID) x (W) x (CS1) -
Molded from filled PTFE and machined to close tolerances these seals feature low friction and excellent wear characteristics. Nitrile o-rings are used for energizers.
SEAL INFORMATION MATERIAL PTFE PISTON SEAL
70A NITRILE ENERGIZERTEMPERATURE RANGE -40° TO +230° F PRESSURE RANGE 0 TO 5,000 PSI SPEED 12 FT/SEC PART NUMBER (Prefix) - (ID) x (W) x (CS1) -
The MPS2000 double action piston seal is designed for heavy duty hydraulic applications. The small profile is resistant to shock loads and has high abrasion and extrusion resistance. Its split design allows simple installation on a solid piston.
SEAL INFORMATION MATERIAL NYLON SEAL WITH NITRILE ENERGIZER TEMPERATURE RANGE -22° TO +230° F PRESSURE RANGE 0 TO 7250 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (Bore Size) -
Designed to fit on one or two piece piston, this piston seal employs a nitrile seal for high sealability, nylon split back-ups for extrusion resistance, and two split bearing rings. No further support bearings required.
SEAL INFORMATION MATERIAL 70A NBR SEAL
NYLON BACK-UP & BEARINGTEMPERATURE RANGE -22° TO +212° F PRESSURE RANGE 0 TO 6,000 PSI SPEED 1.5 FT/SEC -
With nitrile seal bonded on each side by fabric material it also incorporates 2 full depth 'L' bearings to form a very strong assembly. This seal requires a two piece piston.
SEAL INFORMATION MATERIAL 70A NBR / FABRIC SEAL
ACETAL BEARING / BACK-UPTEMPERATURE RANGE -22° TO +212° F PRESSURE RANGE 0 TO 5,000 PSI SPEED 1.5 FT/SEC -
This style is designed for two piece pistons. The seal is a molded Nitrile rubber element with bonded rubberized fabric reinforcements and two anti-extrusion polyacetal bearings.
SEAL INFORMATION MATERIAL 70A NBR / FABRIC SEAL
ACETAL BEARING / BACK-UPTEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 5,000 PSI SPEED 1.5 FT/SECtd> -
Consisting of a nitrile seal and two split acetal bearing, this assembly is used in light duty applications and can be installed on one or two piece pistons.
SEAL INFORMATION MATERIAL NITRILE SEAL
ACETAL BEARINGTEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 3,000 PSI SPEED 1.5 FT/SEC -
Incorporating a nitrile / fabric seal with two split bearing this assembly affords low friction and high strength for one or two piece pistons.
SEAL INFORMATION MATERIAL 70A NBR / FABRIC SEAL OD
70A NBR SEAL ID
ACETAL BEARINGTEMPERATURE RANGE -22° TO +212° F PRESSURE RANGE 0 TO 5,000 PSI -
Molded from tough, wear resistant polyester with additives of 5% glass fiber and 5% PTFE these seals are totally interchangeable with style MPS seals of the same dimensions. Nitrile o-rings are used as energizers.
SEAL INFORMATION MATERIAL GLASS / PTFE FILLED POLYESTER SEAL, RUBBER ENERGIZER TEMPERATURE RANGE -40° to +230° F PRESSURE RANGE 0 to 5,000 PSI PART NUMBER (Prefix) - (ID) x (W) x (CS1) -
Molded from tough, wear resistant polyester with additives of 5% glass fiber and 5% PTFE these seals are totally interchangeable with style MPS seals of the same dimensions. Nitrile o-rings are used as energizers.
SEAL INFORMATION MATERIAL GLASS / PTFE FILLED POLYESTER SEAL, RUBBER ENERGIZER TEMPERATURE RANGE -40° to +230° F PRESSURE RANGE 0 to 5,000 PSI PART NUMBER (Prefix) - (ID) x (W) x (CS1) -
Molded from high quality urethane and designed specifically for piston applications. A = Alternative to NOK
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix)-(ID) x (OD) x (H) -
Molded from a sturdy nylon material, these bushings are found chiefly in Ford metric cylinders.
SEAL INFORMATION MATERIAL NYLON TEMPERATURE RANGE -40° to +250° F SPEED 3 FT/SEC COMPRESSIVE STRENGTH 25,000 PSI TENSILE STRENGTH 27,000 PSI PART NUMBER (Prefix) - (ID) x (OD) X (H) -
SEAL INFORMATION MATERIAL NYLON OR REINFORCED PHENOLIC TEMPERATURE RANGE N = -67° to +212° F
P = -67° to +248° FPRESSURE RANGE 0 to 5,000 PSI PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Designed specifically for rod application, the short lip design and solid 'U' cavity provide high sealability at low pressure. At the heel, a secondary lip provides stability, friction-reducing lube retention, and a contaminant blocker. Molded in polyurethane for excellent wear resistance.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -22° to +220° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Molded in a tough urethane this seal employs an additional lip near the heel. The Twin Lip design provides stability, friction-reducing lube retention, and a contaminant blocker. VME - Secondary lip is further from heel than standard MRTU. NOTE: E = European Urethane
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -40° to +225° F
E: -22° to +212° FPRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Our premium single-acting polyurethane rod seal incorporates an NBR energizer to seal at low pressures. The twin lip design provides stability and friction-reducing lube retention for dry rod sealing, and the included hard acetal backup ring resists extrusion. MRTUB is capable of pressures up to 10,000 psi in approved applications. Please consult Hercules Engineering for pressures above 6,000 psi.
SEAL INFORMATION MATERIAL 94 A URETHANE SEAL
RUBBER ENERGIZER
POLYACETAL ANTI-EXTRUSION RINGMAXIMUM OPERATING CONDITIONS MAXIMUM SPEED
3FT./SECPRESSURE RANGE
0 - 6,000 PSITEMPERATURE RANGE
-50° TO +230° FMAXIMUM EXTRUSION GAP PRESSURE 2,400 PSI 3,750 PSI 6,000 PSI 7,500 PSI 10,000 PSI MAX. RADIAL GAP (INCH) .040 .032 .024 .016 .010 PART NUMBER (Prefix)(CS) - (ID) - (Height) -
Our premium single-acting polyurethane rod seal incorporates an NBR energizer to seal at low pressures. The twin lip design provides stability and friction-reducing lube retention for dry rod sealing, and the included hard acetal backup ring resists extrusion. MRTUB is capable of pressures up to 10,000 psi in approved applications. Please consult Hercules Engineering for pressures above 6,000 psi.
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Molded in a tough urethane this rod u-seal fits tightly in the groove while providing increased radial force on the rod. The employment of a nylon back up makes it highly extrustion resistant.
GT = GREEN TWEED SEALSEAL INFORMATION MATERIAL URETHANE SEAL
NYLON BACK-UPTEMPERATURE RANGE -65° to +220° F PRESSURE RANGE 0 to 5,500 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
The MRUN Rod U-Seal is designed with improved oil resistance and compression set verses urethane seals. The addition of a u-seal back-up ring will increase the pressure range of the seal from 2,000 psi to 3,000 psi. A = Alternative to NOK
SEAL INFORMATION MATERIAL NITRILE TEMPERATURE RANGE -8° to +212° F PRESSURE RANGE 0 TO 2,000 PSI W/O BACK-UP
0 TO 3,000 PSI W/BACK-UPSPEED 3FT/SEC SUFFIX HT = HIGH TEMPERATURE NITRILE (-13° to +248° F)
LT = LOW TEMPERATURE NITRILE (-67° to +176° F) -
Molded in Nylon with a rubber energizer this style absorbs the shock of pressure spikes and relieves back pressure by way of slots on the pressure side of the energizer
SEAL INFORMATION MATERIAL NYLON BUFFER
70A NITRILE ENERGIZERTEMPERATURE RANGE -40° to +220° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Internal Retainer Rings
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With redundant nitrile lips and an acetal back-up, this seal features high sealability and extrusion resistance.
SEAL INFORMATION MATERIAL NBR SEAL
ACETAL BACK-UP
HEADER OF URETHANE,
ACETAL, OR FABRIC -
REINFORCED RUBBERTEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 10,000 PSI SPEED 3 FT/SPEED PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Machined from iron, most employ an over-lapped joint which allows the passing of ports.
SEAL INFORMATION MATERIAL IRON PART NUMBER (Prefix) - (OD) x (W) x (RW) -
These rings are split for ease of installation and are retained in a groove. Their use is primarily to retain a single acting piston seal. Commonly they are used with MUFN style piston seals.
SEAL INFORMATION MATERIAL ACETAL TEMPERATURE RANGE -22° to +212° F PART NUMBER (Prefix) - (ID) x (OD) -
Molded in urethane, this wiper features a lip on the outer diameter to aid in contaminant exclusion.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -30° to +200° F SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) X (H) -
Molded in urethane, this wiper is flexible enough to easily snap into a groove yet tough enough to handle difficult rod wiping applications.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -30° to +200° F SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) X (H) -
Molded in urethane, this wiper features a double lip which prevents fluid that seeps by the rod seal from exiting the cylinder.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -30° to +200° F SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) X (H) -
This medium duty wiper is molded in nitrile rubber.
SEAL INFORMATION MATERIAL NITRILE TEMPERATURE RANGE -22° to +212° F SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) X (H) -
This wiper features a lip on top of the shoulder which makes contact with the throat of the groove. This serves to prevent contaminants from entering the groove.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -30° to +220° F PART NUMBER (Prefix) - (ID) x (OD) X (H) -
This light duty wiper is molded in polyurethane and features a double stepped shoulder to fit tightly in the gland throat.
SEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -22° to +212° F SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) X (H) -
This is a single acting rod seal designed for low and high pressure sealing and is commonly found in telescopic cylinders. The seal consists of a molded rubber sealing lip, rubberized fabric hell. and a polyester header, for improved extrusion resistance.
SEAL INFORMATION MATERIAL RUBBER, FABRIC, POLYESTER ELASTOMER TEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 5800 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (Height) -
Incorporating a rubber seal lip, a rubberized fabric heel and an acetal back-up ring. This seal provides excellent sealability and high extrusion resistance.
SEAL INFORMATION MATERIAL NBR 80 DURO SEAL
NEO-FAB HEEL
ACETAL ANTI-EXTRUSION RINGTEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 6,000 PSI PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Incorporating a rubber seal lip and a rubberized fabric heel, this seal provides excellent sealability and high strength.
SEAL INFORMATION MATERIAL NITRILE / FABRIC BASE TEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 2,900 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Constructed of a rubber seal lip with a rubberized fabric heel, these seals feature a poly-acetal bearing ring. These seals offer excellent sealing ability and high pressure capability. The solid lip area increases the radial interference for improved low-pressure sealing. Commonly are used with our MSR retention rings.
SEAL INFORMATION MATERIAL NITRILE / FABRIC BASE
ACETAL BEARINGTEMPERATURE RANGE -22° to +220° F PRESSURE RANGE 0 to 6,000 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix)-(ID) x (OD) x (H) -
Incorporating a rubber U-cup shape and a rubberized fabric heel, this seal provides excellent sealability and high strength. The 'U' shape design decreases the radial interference for a lower lip friction.
SEAL INFORMATION MATERIAL NITRILE / FABRIC BASE TEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 2,900 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Constructed of a rubber seal lip with a rubberized fabric heel, these seals feature a poly-acetal bearing ring. These seals offer excellent sealing ability and high pressure capability. Commonly are used with our MSR retention rings.
SEAL INFORMATION MATERIAL NITRILE / FABRIC BASE
ACETAL BEARINGTEMPERATURE RANGE -22° to +220° F PRESSURE RANGE 0 to 6,000 PSI SPEED 1.5 FT/SEC PART NUMBER (Prefix)-(ID) x (OD) x (H) -
Molded from 90A nitrile, this seal provides high sealability in a symmetrical design suitable for rods or pistons.
SEAL INFORMATION MATERIAL 90A NITRILE TEMPERATURE RANGE -13° to +212° F PRESSURE RANGE 0 to 2,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Molded in polyurethane, these rotary pressure seals are specifically designed for use sin hydraulic swivel joints.
SEAL INFORMATION MATERIAL 92A URETHANE TEMPERATURE RANGE -50° to +220° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H) -
Utilizing tough polyurethane, these seals possess excellent wear and abrasion resistance. Symmetrical in design they can be used in rod or piston applications
E = EUROPEAN URETHANESEAL INFORMATION MATERIAL URETHANE TEMPERATURE RANGE -22° to +212° F PRESSURE RANGE 0 to 5,000 PSI SPEED 3 FT/SEC PART NUMBER (Prefix) - (ID) x (OD) x (H)
