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)
