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Hoffman Specialty spring pilot, model number SPS-175, with an outlet pressure range of 20-175 psig and a maximum pressure of 250 psig.

The Series SPS Spring pilot valves are designed for applications such as steam to hydronic converters, domestic hot water, manufacturing process, or others that require constant outlet pressure. The Series SPS can also be used in conjunction with a series STPA Temperature pilot as a pressure limiter.

  • Tight shut-off provided by hardened stainless steel disc and seat
  • Packless construction eliminates seals that wear out and leak
  • Travel stop and cover on diaphragm helps prevent over pressurization damage
  • Removable strainer helps prevent debris from entering pilot
  • Maximum temperature 450°F (232°C)
  • Maximum inlet operating pressure 250 psig (17.3 bar)
  • Outlet Pressure: - Minimum 2 psig (0.1 bar) - Maximum 175 psig (11.9 bar)
  • Normal accuracy ±1 psig (0.07 bar)
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Manuals (1)
Product Type:
Pressure Pilot
Max Pressure:
250 psig
Pressure Range:
20 to 175 psig
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