PRESSURE GAUGE + PRESSURE SWITCH – USA (UL/FM)

PRESSURE GAUGE + PRESSURE SWITCH – USA (UL/FM)

• Pressure Gauge – Winters PFE3935R1R11 (UL/FM Approved, USA)
• Pressure Switch – System Sensor EPS10-1 (UL/FM Approved, USA)
• Brand/Origin (Gauge): Winters / USA
• Brand/Origin (Switch): System Sensor / USA
• Dial Size (Gauge): 3.5 inches (90 mm)
• Pressure Range (Gauge): 0–300 psi
• Pressure Range (Switch): Adjustable from 4–20 psi
• Factory Set Point (Switch): 10 psi (falling)
• Connection Size (Gauge): 1/4″ NPT (bottom mount)
• Connection Size (Switch): 1/2″ NPT Male
• Case Material (Gauge): Steel
• Housing Material (Switch): Die-cast aluminum, red epoxy-coated
• Window (Gauge): Polycarbonate (impact-resistant)
• Movement (Gauge): Brass; Bourdon Tube: Phosphor bronze
• Switch Type (EPS10-1): Single Pole, Double Throw (SPDT)
• Contact Ratings (Switch): 10 A @ 125/250 VAC, 2.5 A @ 24 VDC
• Accuracy (Gauge): ±3-2-3% per ASME B40.1 Grade B
• Environmental Rating (Switch): NEMA 4 (weatherproof, outdoor use)
• Operating Temp (Gauge): -40°F to 150°F (-40°C to 65°C)
• Operating Temp (Switch): -40°F to 140°F (-40°C to 60°C)
• Please note, if you want to open an LC and import yourself, we will handle all arrangements for you, Ex-Works Dubai price at $16
• Prices in PKR shown by us are Including items prices & 95% Taxes/Customs & Excluding Freight Charges.

For more information, visit our website: https://silverstringchemicals.com/

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UL/FM Pressure Gauge + Pressure Switch Set (USA) – For Fire Pumps & Sprinkler Monitoring

This premium UL/FM-certified pressure monitoring set includes the Winters PFE3935R1R11 Pressure Gauge and the System Sensor EPS10-1 Pressure Switch, both manufactured in the USA and widely used in fire suppression systems worldwide. Engineered for performance, safety, and compliance, this combo is essential for fire pump controllers, riser manifolds, sprinkler systems, and water supply monitoring.

✅ 1. Winters PFE3935R1R11 Pressure Gauge (UL/FM Approved)

• Brand/Origin: Winters / USA

• Dial Size: 3.5 inches (90 mm)

• Pressure Range: 0–300 psi

• Connection: 1/4″ NPT (bottom mount)

• Case Material: Steel with impact-resistant polycarbonate window

• Internal Components: Brass movement; phosphor bronze Bourdon tube

• Accuracy: ±3-2-3% as per ASME B40.1 Grade B

• Temperature Range: -40°F to 150°F (-40°C to 65°C)

This UL/FM-listed gauge ensures reliable and readable pressure monitoring even in extreme temperature conditions. Its rugged build is ideal for pump rooms, outdoor cabinets, and risers.

✅ 2. System Sensor EPS10-1 Pressure Switch (UL/FM Approved)

• Brand/Origin: System Sensor / USA

• Pressure Range: Adjustable 4–20 psi

• Factory Set Point: 10 psi (falling)

• Connection Size: 1/2″ NPT male

• Switch Type: SPDT (Single Pole, Double Throw)

• Contact Rating: 10 A @ 125/250 VAC, 2.5 A @ 24 VDC

• Housing Material: Die-cast aluminum with red epoxy coating

• Environmental Rating: NEMA 4 (weatherproof for outdoor use)

• Temperature Range: -40°F to 140°F (-40°C to 60°C)

The EPS10-1 pressure switch is factory-calibrated for reliable alarm activation when system pressure falls below the set point, making it vital for fire protection systems where early warning and automatic signaling are required.

🔧 Application & Compliance

This set is ideal for:

• Fire pump installations

• Sprinkler riser pipes

• Wet/dry alarm valves

• Monitoring pressure drops in critical zones

Both units are UL Listed and FM Approved, ensuring complete compliance with NFPA and global fire safety standards. Their compact and compatible sizes allow easy integration into existing or new systems.

💰 Pricing & Import Option

• Ex-Works Dubai Price: $16 (set)

• LC Support: Available through Silver String Chemicals

• PKR Pricing: Includes 95% customs/taxes (freight excluded)

Whether you’re building a new fire suppression system or upgrading old components, this set offers certified reliability at an affordable rate.