- Designed for API 52/53 and ANSI 7352/7353 double seal arrangements
- Suitable for diverse sealing liquids
- Robust, full stainless steel construction
- Space-saving design with an integrated tank stand
- Superior cooling performance
- Easy and compact installation
- Optimized as a complete Sulzer sealing solution
Thermosiphon SP15 seal pot system
Maximize seal life and minimize costs with SP15
Sulzer Thermosiphon SP15 closed-loop system for double mechanical seals ensures optimal lubrication, cooling, and prevents dry runs, delivering substantial savings in sealing liquid and operating expenses.
- Water
- Glycol-water mixture
- White oil
Product information
Standard features
- Sulzer Thermosiphon SP15 reservoir with a volume of 15 liters / 3.96 US gallons in AISI 304 stainless steel (EN 1.4301)
- Support foot / base
- Level indicator
- Pressure gauge
- Temperature gauge
- Hand valve
- Relief valve
- Hoses (3 m / 10 ft. long) with fittings
- Finned air cooling
Optional features
- ATEX approval
- Hand pump
- Pressure accumulator
- Level switches (top)
- Level switches (bottom)
- Pressure switch
- Breather
- Pressure transmitter
- Pressure-reducing valve
- Multiple connections and fittings
- Winter package (-40°C / -40°F)
- Hard piping option
- Circulation pump
- Flow indicator
Key characteristics
| Pressure | max. 16 bar / 232 psi |
| Process temperature | max. 120°C / 248°F (air cooling) max. 170°C / 338°F (water cooling) |
| Sealing liquid temperature |
from -20 up to 70°C / from -4 up to 158°F |
| Nominal volume |
15 liters / 3.96 US gallons |
| Material |
AISI 304 stainless steel (EN 1.4301) |
| Compatibility |
Compatible with any double mechanical seal with pumping feature |