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° F |
| PRESSURE 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° F |
| PRESSURE 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 RING |
||||
| MAXIMUM OPERATING CONDITIONS | |||||
| MAXIMUM SPEED 3FT./SEC |
PRESSURE RANGE 0 - 6,000 PSI |
TEMPERATURE RANGE -50° TO +230° F |
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| MAXIMUM 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.
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 SEAL
| SEAL INFORMATION | |
|---|---|
| MATERIAL | URETHANE SEAL NYLON BACK-UP |
| TEMPERATURE 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-UP |
| SPEED | 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 ENERGIZER |
| TEMPERATURE 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
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 RUBBER |
| TEMPERATURE 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) |
