Constant Pressure System Solutions
A constant-pressure (CP) system uses a variable frequency drive to slow or speed the pump as demand changes, holding discharge pressure within a tight setpoint regardless of fixture-unit flow. Compared to a fixed-speed booster cycling on a hydropneumatic tank, a CP system runs quieter, cycles less, and saves 20–40% on motor energy. SMPC supplies single-pump CP sets for villas and small buildings, and cascading multi-pump CP packages for high-rise plumbing.
Common Types & Variants
Single-Pump CP (VFD)
One pump + one Danfoss VFD + pressure transducer + small pressure tank — for villas, townhouses, and small commercial buildings.
Multi-Pump Cascade CP
2/3/4-pump cascading sets — only enough pumps run at any given time to meet demand, with automatic lead/lag rotation.
Hydropneumatic Tank-Based CP
CP sets with a sized hydropneumatic tank — pump rests during low-demand periods, energizes only when tank pressure drops.
Vertical Multistage CP
Vertical multistage pumps as the rotating element — high efficiency at design point, small footprint, low NPSH required.
Industries We Serve
Why SMPC for Constant Pressure Systems
Danfoss VFD as standard
All SMPC CP sets ship with Danfoss FC-series drives — proven HVAC/water-supply VFDs with BACnet/Modbus and integrated pump-protection functions.
Pre-piped and pre-wired skid
Each CP set arrives as a finished skid — pumps, manifold, VFD, control panel, pressure transducer, gauges, isolation valves, and pressure tank all assembled and tested.
BMS-ready
VFD comes pre-configured with BACnet over IP or Modbus RTU — pump status, alarms, and runtime hours land in your BMS without extra wiring.
Constant Pressure System Supplier in the Philippines
SMPC supplies constant pressure pump systems in the Philippines for high-rise condominiums, office buildings, hospitals, hotels, and mixed-use developments. VFD-controlled cascading sets from Calpeda and Pentair Aurora, with Danfoss drives.
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