Submittal Sheet

50
REGULATORS
Regulators
Outlet Pressure Maximum Weight
Model Part Range Pressure (Approx.)
Number Number psig (bar) psig (bar) lbs. (kg)
SPS-30 400277 2 - 30 (0.1-2.0) 250 (17.3) 7 (3.2)
SPS-60 400278 5 - 60 (0.3-4.1) 250 (17.3) 7 (3.2)
SPS-175 400280 20 - 175(1.4-11.9) 250 (17.3) 7 (3.2)
B
A
Feedback
Signal
Inlet
Model A B
SPS-30 8
3
⁄4 (222) 4
5
⁄8 (117)
SPS-60 8
3
⁄4 (222) 4
5
⁄8 (117)
SPS-175 8
3
⁄4
(222) 4
5
⁄8
(117)
Series SPS Spring Pressure Control Pilots
T
h e Series SPS Spring pilot valves are designed for
applications such as steam to hydronic converters,
domestic hot water, manufacturing process, or
• 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)
Ordering Information
Spring Pilots
Dimensions in. (mm)
Series SPS
Materials of Construction
Part Specifications
Body Cast Iron ASTM A126
Stem Stainless Steel ASTM A582
Seat Ring Stainless Steel ASTM A582
Diaphragm Screw Steel ASTM A108
Pusher Plate Steel ASTM A108
Adjusting Spring Steel ASTM A229
Strainer Stainless Steel ASTM A167
Diaphragm Stainless Steel ASTM A666
Gaskets Grafoil
Disc Stainless Steel ASTM A276
Note: When Spring pilots are used with Safety Relief valves, the Safety
Relief valve must be at least 5 psi (.35 bar) higher than the
desired steam operating pressure.
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.
Pressure and/or Temperature Pilot Operated Steam Regulators (continued)