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Product Specifications:
| Item | Closed System Oiler |
| Body Material | Aluminum |
| Bowl Material | Polysulfone |
| Capacity | 4 oz. |
| Connection Size | 1" |
| Feed Type | Single |
| Function | An Integral Sight Glass On The Oiler Shows The Oil Level In The Housing Instantly |
| Height | 6 1/2" |
| Includes | Viewport, Wire Guard |
| Max. Operating Temp. | 325°F |
| Maximum Temperature Rating | 325°F |
| Mounting Thread Size | 1" |
| Mounting Thread Type | NPT |
| Oil Level Range | 1" |
| Operation Type | Self Leveling |
| Overall Depth | 3 1/2" |
| Overall Height | 3" |
| Overall Width | 2 1/4" |
| Product Datasheet | trico-31825.pdf |
| Product Type | Constant-Level Oiler |
| Reservoir Capacity | 4 oz. |
| Reservoir Diameter | 2 1/4" |
| Reservoir Material | Glass |
| Thread Size | 1 mm |
| Vent Type | Closed |
| Width | 3 3/8" |
Shipping Info:
| Ship weight (kg) | 0.34 |
| Ship height (cm) | 7.62 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 7.62 |
| HS code | 8413919520 |
| Country of Origin | US |
Standards and Approvals:
- ISO 9001:2015
- ISO / IEC 17025:2017
- ASTM
Frequently Asked Questions:
Q. What is the holding capacity of this Trico 31825 oiler closed system?
A. The holding capacity of this oiler closed system is 4 ounces.
Documentation:
Product Variants
| Product | Model | Height | Reservoir Material | Oil Level Range | Body Material | Max. Operating Temp. | Reservoir Capacity | O-ring | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
![]() |
31804 | 5 3/4" | Plastic | 1" | Polysulfone | 325°F | 4 oz. | Viton | €190.08 | |
![]() |
31821 | 6 1/4" | Glass | 1" | Aluminum | 325°F | - | Viton | €228.03 | |
![]() |
31818 | 6 1/4" | Glass | 1/2" | Aluminum | 325°F | - | Viton | €181.50 | |
![]() |
31820 | 6 1/4" | Glass | 3/4" | Aluminum | 325°F | 4 oz. | Viton | €412.54 | |
![]() |
31824 | 6 1/2" | Glass | 3/4" | Aluminum | 325°F | - | Viton | €190.10 | |
![]() |
31828 | 6 1/2" | Glass | 1/2" | Aluminum | 325°F | - | Viton | €157.15 | |
![]() |
31833 | 6 1/2" | Glass | 1" | Stainless Steel | 325°F | - | Viton | €402.12 |
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TRICO 31825 Watchdog Oiler, Glass Reservoir, 1 Inch NPT, 4 oz. Capacity, 6-1/2 Inch Size
€461.30 /unit


