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Parback® backup ring with a curved cross-section.
Parbaks are contoured on one face to minimize distortion of the o-ring when under pressure. Parbaks should be installed with the contoured face against the o-ring, but reversal does no harm.
90A Durometer | Buna-N Rubber Material | 6 in Nominal Inner Diameter | 1/4 in Cross Section | Backup Ring
Features
- Excellent extrusion resistance
- Easily stretched for installation
- Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces
Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.
Nylon Material | 5 3/4 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring
Features
- Protection Against Wear
- Reduced Friction
- Extended Cylinder Life
- Operational Efficiency
CIHT2740X2500 has a wall thickness of 0.1 in. The ID is 2.5 in and the OD is 2.74 in. The material is 1026 Carbon Steel with chrome plating on the Inside Surface.
Full mill lengths will be cut to lengths between 12 ft and 19 ft long. Packages longer than 44 inches may have additional freight charges.
| 1-14 | $5.27 |
| 15-29 | $3.77 |
| 30-74 | $2.93 |
| 75+ | $2.64 |
Wear rings provide a hard-wearing surface that protects the cylinder walls and the piston rod from scoring and abrasion. By maintaining alignment and reducing side loads, these rings facilitate smoother piston movement and lower friction levels.
Nylon Material | 2 1/4 in Nominal Inner Diameter | 1/8 in Cross Section | Wear Ring
Features
- Protection Against Wear
- Reduced Friction
- Extended Cylinder Life
- Operational Efficiency
WR-NYL-2.750 X 1/2 X 1/5-C/S
Suffix “V” designates fluorocarbon material,“N” designates nitrile material, and “HT” designates high temperature urethane.
90A Durometer | Urethane Material | 1 3/4 in Nominal Inner Diameter
Features
- Urethane Wiper Ring
- Min. Temperature Range of ‘-40 °F; N: -40°; V: -20 °F; HT: -40 °F
- Max. Temperature Range of 200 °F; N: 225 °F; V: 350 °F; HT: 225 °F
Style HRU u-seals are precision molded from 80 Durometer Buna-N rubber. Sizes include those found in Army-Navy spec. AN6226 and narrow cross-section sizes found in J.I.C. cylinders and the popularly termed “Huva Cup”.
80A Durometer | Buna-N Rubber Material | 1 3/8 in Nominal Inner Diameter | 5/32 in Cross Section | U-Seal
110mm induction hardened chrome shafting.
The base material is 1045/1050 Carbon Steel with 0.0005 in (0.0127mm minimum)-thick chrome plating and a case depth of 0.05 in (1.27 mm).
Induction Hardened Chrome is typically used in abrasive envrionments where the cylinder is exposed to rocks or heavy debris. Also used to machine clevis pins.
- Greater strength
- Better resistance to mechanical damage
Full mill lengths will be cut to lengths between 12 ft and 19 ft long. Packages longer than 44 inches may have additional freight charges.
| 1-14 | $33.00 |
| 15-29 | $23.60 |
| 30-59 | $20.63 |
| 60-119 | $16.50 |
| 120+ | $15.02 |
