Molded of 95A Durometer Urethane these back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation.
NOTE: Sizes (Dash No.) corresponds to standard o-ring numbers.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 95A DUROMETER URETHANE |
| TEMPERATURE RANGE | -65 ° TO +220°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.) |
QR, BUNA-N QUAD RINGS
The four-lobed design of these seals provides twice the sealing surface of ordinary o-rings. They can be used in a variety of static and dynamic sealing applications including rotary, reciprocating or oscillating motion.
NOTE: Last three digits of part number corresponds to standard o-ring dash numbers (568-218 = QR-4218)
V = FLUOROCARBON
| SEAL INFORMATION | |
|---|---|
| MATERIAL | BUNA-N RUBBER |
| TEMPERATURE RANGE | -40° TO +240°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.) |
| SEAL INFORMATION | |
|---|---|
| MATERIAL | FABRIC REINFORCED
RUBBER URETHANE RING/NYLON ADAPTORS |
| TEMPERATURE RANGE | -35° to +220° F |
| PRESSURE RANGE | 0 to 10,000 PSI |
| SPEED | 1.5 FT/SEC |
| PART NUMBER | (Type of Seal) (ID) (CS) X (Height) |
| SEAL INFORMATION | |
|---|---|
| MATERIAL | RUBBER |
| TEMPERATURE RANGE | -40° to +240° F |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix) - (Size) |
FLUOROCARBON = "V"
BFM = 58D DUROMETER FLUOROTREL -65° TO +275° F BHN = 85A DUROMETER HYDROGENATED NITRILE -50° to +320° F BPM = 58D DUROMETER POLYMYTE -65° to +275° F / -65° to +180° F IN WATER BASED FLUIDS| SEAL INFORMATION | |
|---|---|
| MATERIAL | 90A FLUOROCARBON | 95A URETHANE |
| TEMPERATURE RANGE | -20° to +400° F | -40° to +200° F |
| PRESSURE RANGE | 0 to 2,000 PSI | 0 to 5,000 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix)(CS) - (Inside Dia) - (Height) |
 |
Standard - Height and cross section are equal, thus giving a square seal. Utilizes type 'D' lip Typical Part Number P25-02.500 |
 |
Deep - Utilizes the same 'D' lip, but the seal height is greater than the cross section, thus giving a retangular shape. Typical Part Number P25-02.500-37D |
 |
Type B - Same dimensions as the Deep seal. Beveled lip design provides better film breaking. Utilizes type 'B' lip. Typical Part Number U25-02.500-37B |
Letter suffix:
T = Solid, ST = Split, TS = Spiral Cut, TW = .085 Wide
| SEAL INFORMATION | |
|---|---|
| MATERIAL | PTFE |
| TEMPERATURE RANGE | -325 ° TO +500°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.)(Config) |
| CROSS SECTIONS | |
|---|---|
| 000 Series | 1/16" C/S |
| 100 Series | 3/32" C/S |
| 200 Series | 1/8" C/S |
| 300 Series | 3/16" C/S |
| 400 Series | 1/4" C/S |
Style ST wiper rings are precision molded from 90A durometer urethane. Flexible enough to easily snap into a groove yet tough enough to handle difficult rod wiping applications. 'V' tagged wipers are constructed of fluorocarbon.
Product Codes ending in SH are designed with a Slotted Heel. The slots in the heel allow excess hydraulic fluid to bypass the wiper, preventing wiper blowout.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | URETHANE / FLUOROCARBON |
| TEMPERATURE RANGE | URETHANE: -40° to +200° F FLUOROCARBON: -20° to +400° F |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix) - (Size) - (Alternative Mat.) |
Molded of 55D Durometer Hytrel, these back-up rings provide excellent extrusion resistance and tolerance to fluids such as phosphate esters, hydraulic oil and water. Stretched for installation, they return quickly to their original size for easy installation.
NOTE: Sizes (Dash No.) corresponds to standard O-ring numbers
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 55D HYTREL |
| TEMPERATURE RANGE | -65° TO +275°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.) |
Molded of 90A Durometer Buna-N Rubber, these 'Parback®' Style Dished Cross Section back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation.
NOTE: Sizes (Dash No.) corresponds to standard O-ring numbers.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 90A BUNA-N RUBBER |
| TEMPERATURE RANGE | -40° TO +240°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.) |
NOTE: The 6000 piston cups are center punched if there is no hole size indicated.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | BUNA-N RUBBER |
| TEMPERATURE RANGE | -40° to +220° F |
| PRESSURE RANGE | 0 to 150 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Piston Cup Type)(Bore) - (Hole Size) |
FLUOROCARBON = "V"
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 95A URETHANE | 95A FLUOROCARBON |
| TEMPERATURE RANGE | -65° to +220° F | -20° to +400° F |
| PRESSURE RANGE | 0 to 5,000 PSI | 0 to 2,000 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix)(CS) - (Inside Dia) - (Height) |
 |
Standard - Height and cross section are equal, thus giving a square seal. Utilizes type 'D' lip. Typical Part Number U25-2.50 |
 |
Deep - Utilizes the same 'D' lip, but the seal height is greater than the cross section, thus giving a rectangular shape. Typical Part Number U25-2.50-37D |
 |
Type SQB - Same dimensions as the Standard seal. Beveled lip design provides better film breaking. Utilizes type 'B' lip. Typical Part Number U25-2.50-SQB |
 |
Type B - Same dimensions as the Deep seal. Beveled lip design provides better film breaking. Utilizes type 'B' lip. Typical Part Number U25-2.50-37B |
Piston cups are constructed of rubberized fabric. Cups with no hole are center punched.
NOTE: If Product number ends in 'ED' the piston cups are specially sized for use in EDBRO Cylinders.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | COTTON FABRIC & RUBBER |
| TEMPERATURE RANGE | -35° to +220° F |
| PRESSURE RANGE | 0 to 2,500 PSI |
| SPEED | 1.5 FT/SEC |
| PART NUMBER | (Piston Cup Type)(Bore) - (Hole Size) |
Intermediate and Wide Base T-Seals are designed to fit MIL-5514F o-ring glands only and interchange with 1 o-ring / 1 back-up ring and 1 o-ring / 2 back-up ring grooves, respectively.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | BUNA-N RUBBER SEAL - HARD PLASTIC BACK-UPS |
| TEMPERATURE RANGE | -35° to +220° F |
| PRESSURE RANGE | 0 to 5,000 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix) - (Size) |
One Piece Double Acting Piston Cups
This complete piston cup with a simple, one-piece construction serves the same purpose as a multi-assembly unit and is more economical with easy maintenance, dependability and long life. The unique piston cup consists of homogeneous rubber bonded to a zinc coated steel plate. The center hole may be enlarged to accommodate larger piston rods. Recommended for pneumatic and low-pressure hydraulic applications.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | RUBBER LIP, ZINC COATED STEEL PLATE |
| TEMPERATURE RANGE | -40° to +220° F |
| PRESSURE RANGE | 0 to 800 PSI |
| SPEED | 3 FT/SEC |
| PART NUMBER | (Prefix) - (Bore Size) |
MCU Heavy Duty Metal Clad
Utilizing a sturdy metal case, these wipers are molded from the same high performance urethane used in our Heavy Duty U-seals. Built for severe service, these wipers are capable of surviving hostile environments.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 92A URETHANE |
| TEMPERATURE RANGE | -65° to +230° F |
| PART NUMBER | (Prefix) - (Size) |
