Single spring pusher seals
Single Coil Spring Balanced Seal
- Shaft10 to 100 mm
- Pressure10 bar (max)
- Temperature−20 to 150 °C
The Single Coil Spring Balanced Mechanical Seal is a premium, high-pressure sealing solution engineered to reduce friction, heat, and face wear. By incorporating a stepped shaft design (balancing), this pusher-type seal neutralizes a high percentage of the hydraulic forces within the stuffing box. This allows the seal to operate reliably under extreme pressures where an unbalanced seal would fail due to excessive face crushing.
Generally used in
High pressure pumps, refineries, fertilizer plants, nuclear plants and petroleum products.
| Seal faces | Carbon / SiC / TC vs SiC / TC / Ceramic |
|---|---|
| Secondary seals | Viton / TTV / FEP / GFT / PTFE / EPDM / NBR |
| Metal parts | SS-316, SS-304, Alloy 20, 904L |
| Shaft diameter | 10 to 100 mm |
|---|---|
| Pressure | 10 bar (max) |
| Temperature | −20 to 150 °C |
| Speed | 2900 rpm (max) |
Custom sizes and material combinations are made to your drawing. Confirm duty conditions with us before ordering.
Related seals
-
Single spring pusher seals
Conical Spring Seal
Compact pusher seal
- Shaft
- 10 to 100 mm
- Pressure
- 7 bar
- Temp
- −20 to 140 °C
-
Single spring pusher seals
Single Coil Spring Unbalanced Seal
Low to medium pressure
- Shaft
- 10 to 100 mm
- Pressure
- 10 bar (max)
- Temp
- −20 to 150 °C
-
Multi spring & wave spring seals
Multi Spring Reversed Balance Seal
Externally mounted
- Shaft
- 10 to 100 mm
- Pressure
- 10 bar (max)
- Temp
- −50 to 200 °C
