Oil for Door Closer Hydraulic Cylinder (When Refillable)
Selection inputs for oils used in refillable/repairable door closers (many are sealed; follow OEM).
This page lists neutral selection inputs. Confirm equipment manufacturer specifications before selecting a lubricant.
Operating Conditions
| Operating Parameter | Typical Range/Value |
|---|---|
| Viscosity Sensitivity | Closing speed depends strongly on oil viscosity |
| Temperature | Indoor/outdoor temperature swings affect performance |
| Seal Materials | Common elastomers; OEM compatibility required |
| Service | Only for closers designed to be serviced/refilled |
Required Lubricant Properties
| Required Property | Specification |
|---|---|
| Viscosity Control | Match OEM oil grade for consistent closing speed |
| Seal Compatibility | Must not swell/shrink seals |
| Oxidation Resistance | Long service life in sealed systems |
| Low Temperature Flow | Important for exterior doors |
Availability
As an Amazon Associate, LubeConsultant earns from qualifying purchases. Full disclosure.
Sources
- Manufacturer documentation
Last updated: