Seal Proof Engineering
Technical datasheet
Mechanical Shaft Seals
High Pressure Seal
Balanced multi-spring seal rated 25…150 bar for oil pipeline and boiler feed water pumps.
Description
A single-acting, balanced, inside-mounted seal with a multiple-spring design and a sturdy drive mechanism, independent of direction of rotation.
Built for oil pipeline and boiler feed water pumps. Metal parts are available in SS 316, SS 304, Hastelloy-C, titanium, Alloy-20 and Monel.
Specifications
| Seal characteristics | Single acting · Balanced · Inside mounted · Independent of direction of rotation · Multiple springs design · Sturdy drive mechanism |
|---|---|
| Shaft diameter d1 | 25…..115 mm |
| Pressure p | 25….150 bar |
| Temperature t | -40°C to +180°C † provisional |
| Velocity v | 20 m/sec |
Summary envelope: shaft 25–115 mm · pressure to 150 bar
Materials of construction
- Face materials: Carbon / Silicon Carbide / Tungsten Carbide
- Metal parts: SS 316, SS 304, Hastelloy-C, Titanium, Alloy-20, Monel
- Secondary seal: Elastomers
Applications
- Oil pipeline pumps
- Boiler feed water pumps