SENTRYTough Pulsation Dampeners
Safety, reliability, and efficiency for every application.

SENTRYTough gives you 6 precision-engineered dampener models with a range of sizes (16, 28, 42, 52, 66, and 90 cu in), three body materials (CPVC, PVC, PVDF), five bladder options (Buna, EPDM, Hypalon, PTFE, Viton), and multiple air controls to choose from. With pressure ratings up to 225 psi and inlet sizes from 0.5" to 1", SENTRYTough delivers the rugged reliability your toughest jobs demand.



Meet SENTRYTough: The New Standard in Pulsation Dampening

When your pumping system demands the best, SENTRYTough delivers. This isn’t just another pulsation dampener, it’s an engineered leap forward for safety, reliability, and efficiency.

Why settle for limited options? Whether you’re dialing in accuracy for metering pumps or pushing the limits on high-pressure applications, SENTRYTough adapts to your most demanding needs.

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Unmatched Efficiency, Ultimate Flexibility

Fine-tune your system like never before. With 6 models you can select the perfect dampener for any job. Better efficiency means smoother operation, less downtime, and real savings over time.

Built for the Toughest Environments

Every SENTRYTough is equipped with stainless steel hardware and gauges, ready to face harsh chemicals and extreme conditions. If your plant is tough, your equipment should be tougher.

Safety and Reliability, Engineered In

You don’t compromise when it comes to safety. Neither do we. SENTRYTough is built to the highest standards, delivering the consistent performance your team counts on.

Upgrade Without the Headache

Transitioning is easy. SENTRYTough parts are fully interchangeable with your older models. No need to overhaul your system, just step up to better performance.

SENTRYTough Means BLACOH Tough

It’s more than a name, it’s your assurance that you’re getting the best, safest, most reliable dampener on the market.

Ready to toughen up your system?

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16IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
DIAPHRAGM MATERIAL: PTFE
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
9.69"
246.1mm
5.09"
129.4mm
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28IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
BLADDER MATERIAL: Buna, EPDM, Hypalon, PTFE, Viton
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
10.4"
264.1mm
5.8"
147.4mm
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42IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
BLADDER MATERIAL: Buna, EPDM, Hypalon, PTFE, Viton
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
11.16"
283.3mm
6.56"
166.6mm
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52IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
BLADDER MATERIAL: Buna, EPDM, Hypalon, PTFE, Viton
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
12.64"
321mm
8.04"
204.3mm
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66IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
BLADDER MATERIAL: Buna, EPDM, Hypalon, PTFE, Viton
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
13.39"
340.2mm
8.8"
223.5mm
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90IN3 SENTRYTough

HOUSING MATERIALS: CPVC, PVC, PVDF
BLADDER MATERIAL: Buna, EPDM, Hypalon, PTFE, Viton
INLET SIZES: 0.5" (15 mm), 0.75" (20 mm), 1" (25 mm)
INLET TYPES: FNPT, BSP, ANSI Flange, DN Flange, Socket Weld
PRESSURE RATINGS: PVC 200 psi (13.8 bar); CPVC & PVDF 225 psi (15.5 bar)
AIR CONTROLS: Adjustable, Chargeable, Inlet Stabilizer

DIMENSIONS

A B C
Ø 6.75"
171.4mm
15.63"
397.1mm
11.04"
280.4mm
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