Shiva Water Pressure Switch Series (SK-9 & Heavy-Duty) | Electromechanical Diaphragm Pump Pressure Switch with Adjustable Cut-In/Cut-Out & Silver Alloy Contacts
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| Specification | Parameter |
| Brand | Shiva |
| Series | Water Pressure Switch Series |
| Product Type | Electromechanical Diaphragm Water Pressure Switch |
| Model Variants Available | Standard Domestic (SK-9/PM-5 style) | Heavy-Duty Adjustable | Low-Pressure Cut-Off Safety Switch |
| Operating Voltage | Single-Phase (220V – 240V AC) / Three-Phase via Magnetic Contactor |
| Current Rating | 10A to 16A (Direct control for pump motors up to 2.0 HP) |
| Pressure Range | Standard: 1.4–2.8 Bar (20–40 PSI) | Heavy-Duty: 1.0–5.0 Bar (15–70 PSI) |
| Differential Gap | Adjustable cut-in and cut-out gap (~0.6 to 1.5 Bar differential) |
| Maximum Working Pressure | Up to 6 Bar to 10 Bar (87 to 145 PSI) |
| Connection Thread Port | Standard 1/4" or 3/8" BSP Female Threaded Connection |
| Contact Type | Normally Closed (NC) Heavy-Duty Silver Alloy Contacts |
| Ingress Protection | IP44 Weather-Resistant Engineering Plastic Cover with Dust Seal |
| Best Used For | Water Booster Sets, Hydrophore Pressure Tanks, Well Pumps & Monoblocks across Nepal |
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Dual-Spring Pressure & Differential Calibration: Features independent internal spring-loaded adjustment nuts to calibrate cut-in and cut-out switching thresholds across variable head demands.
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Heavy-Duty Silver Alloy Contacts: Outfitted with Normally Closed (NC) heavy-duty silver contacts capable of handling up to 16A for direct motor switching up to 2.0 HP without arcing.
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Fatigue-Resistant Rubber Diaphragm: Utilizes a resilient, flexible diaphragm mechanism designed to accurately translate water line pressure changes into rapid snap-action contact response.
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Seamless Hydrophore Tank Compatibility: Connects directly via standard 1/4" or 3/8" BSP female threaded ports to pressure tanks, 5-way brass connectors, and discharge manifolds.
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IP44 Weatherproof Engineering Housing: Built with a dust-sealed, impact-resistant protective cover engineered to shield internal electrical components across Nepal.
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