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SENTRY™ Automatic Inlet Stabilizer
Patent: US 11,828,303 B2

Say "goodbye" to manual adjustments and "hello" to streamlined operation! The SENTRY Automatic Inlet Stabilizer sets a new industry standard. Pre-sized for 1.5” and 2” AODD pump inlets, this revolutionary solution will reduce wear and tear on the suction side of your pump. Experience the difference of peak performance and unmatched efficiency.

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PRESSURE IS WELL BELOW 10 PSI. WHY IS MY PUMP FAILING?

The chart above shows the effect on pump inlet pressure with and without the SENTRY Automatic Inlet Stabilizer (AIS), and compares that to the maximum inlet pressure allowed by the pump manufacturer, which is 10 psi. Even if the average system pressure is almost zero, there are acceleration spikes that push well above that limit without the inlet stabilizer.

The AIS decreases pulsation severity, keeping the pressure spikes under that 10 psi limit significantly more often. Furthermore, the AIS helps system pressure stabilize more quickly following a pressure spike.

Decreasing fluid pulsation in this manner will decrease the likelihood of damage being caused to the pump and its components, increasing pump lifespan and ultimately saving money.

You can read more about inlet stabilizers and how they can protect your system on our blog.

AUTOMATIC AIR CONTROL VALVE

The automatic air control valve specific to the new SENTRY Automatic Inlet Stabilizer (AIS) incorporates a fully integrated, automatic venturi valve designed to accommodate negative pressures within the system. While the venturi valve operates exclusively under vacuum conditions, the AIS itself can create positive pressure to counteract excessive system pressures. During vacuum conditions, the valve lifts the bladder to maintain dampening capabilities.While under positive pressure, it forces the bladder down with compressed air. This dual-control mechanism ensures optimal system performance in both suction & positive pressure conditions.

  • Minimizes pressure fluctuations and prevents water hammer pressure spikes
  • Eliminates acceleration head loss and cavitation.
  • Extends pump diaphragm life and protects system components from excess stress, vibration and fatigue.
  • Smooths inlet fluid flow and ensures complete pump chamber fill.
  • Improves accuracy of inlet side gauges.
  • Proudly made in the USA.

AIR CONTROL OPTIONS

NEW! AUTOMATIC
Available only on the SENTRY Automatic Inlet Stabilizer
Permanent source of compressed gas is required. Incorporates a fully integrated, automatic venturi valve designed to accommodate negative pressures within the system. This dual-control mechanism ensures optimal system performance in both suction & positive pressure conditions. During vacuum conditions, the valve lifts the bladder to maintain dampening capabilities. While under positive pressure, it forces the bladder down with compressed air.

HOUSING MATERIALS: Stainless Steel
DIAPHRAGM MATERIALS: PTFE
INLET SIZES:1.5", 2"
INLET TYPES: FNPT, BSP, ANSI Flange, Tri-Clamp
PRESSURE RATINGS: 150 psi (10.3 bar)
AIR CONTROLS: Automatic
CERTIFICATIONS & TESTING: 3.1 Cert, Material Cert, Cert of Origin, Hydrostatic, Dye Penetrant, Radiography, PMI, Bolt Tensile, Customer Specified

DIMENSIONS

A B C
10.43"
265mm		 10.6"
270mm		 13.75"
350mm