Aster LPS-Nxt Low Pressure Switch (Advanced RO Pump Protection)
Aster LPS-Nxt Low Pressure Switch (Advanced RO Pump Protection)
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The Aster LPS-Nxt Low Pressure Switch is a next-generation pressure control device designed for reliable low-pressure detection in RO and industrial systems. Built with a robust metallic body and corrosion-free wetted parts, it ensures accurate performance even in harsh operating conditions.
With its compact patented design and high-resolution adjustment scale, the LPS-Nxt offers precise control, making it ideal for protecting pumps and maintaining system stability.
🫗 Quick Highlights
- Adjustable pressure range 0.5 to 5 kg/cm²
- SPDT (NO/NC) micro-switch contacts
- Durable metal body with corrosion-free wetted parts
- Central grub screw adjustment for easy setting
- Compact, patented design with high accuracy
- Hydro-tested for reliable performance
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Prevents Accidental Damage
Highly Reliable
Adjustable Operation

💧 Key Benefits
- Pump Protection: Prevents dry running by detecting low pressure instantly
- High Accuracy: Fine adjustment with high-resolution scale ensures precise control
- Robust Construction: Metal body with glass-filled nylon & aluminium for durability
- Corrosion Resistant: Suitable for water treatment and chemical environments
- Reliable Switching: SPDT contacts provide flexible integration in control systems
- Low Maintenance: Long-lasting components reduce service requirements
📌 Technical Properties
- Model: Aster LPS-Nxt
- Type: Low pressure switch
- Pressure Range: 0.5 – 5 kg/cm²
- Switch Type: SPDT micro-switch
- Contact Rating: 15A at 230V AC
- Process Connection: 8 NB BSPM
- Body Material: Glass-filled nylon and aluminium
- Diaphragm Material: Viton
- Spring Material: SS 316
- Adjustment Type: M4 grub screw
- Enclosure: Powder-coated or Ni-Cr plated aluminium
- Size: 90 × 50 × 65 mm
- Maximum Working Temperature: 60°C
- Testing: Hydro-tested at 7 kg/cm² (for LPS)
📦 In-the-box
- 1 × Aster LPS-Nxt Low Pressure Switch
🌊 Applications
- RO plants (industrial & commercial)
- Pump dry-run protection systems
- Water treatment automation panels
- Filtration system monitoring
- Industrial fluid control systems
🔧 How to install
- Turn off the system and release pressure
- Install the switch on the low-pressure line using 8 NB BSPM connection
- Ensure proper sealing for leak-free installation
- Connect electrical wiring to NO/NC terminals
- Adjust the pressure set point using the central grub screw
- Restart the system and test functionality
❓ How it works
The Aster LPS-Nxt operates using a diaphragm-based pressure sensing mechanism. When system pressure falls below the set value:
- The diaphragm shifts and activates the internal micro-switch
- The switch sends a signal to stop the pump or trigger an alarm
- Once pressure returns to normal, the system resumes operation
This ensures safe and efficient operation without manual intervention.
FREQUENTLY ASKED QUESTIONS
Do you provide installation services?
Yes. We install RO plants, softeners, iron removal filters, ETP/STP systems, and all types of domestic & industrial water treatment plants across India.
Do you offer GST invoices?
Yes. Every order comes with a100% GST-compliant invoice, suitable for dealers, resellers, and industrial use.
How do I know which chemical or filter is suitable for my water?
You can share your raw water report, TDS, or problem description. Our technical team will recommend the correct chemical, membrane, filter media, or system.
Please connect with us from Contact Us.
Can I speak to someone before placing an order?
Yes, you can contact us directly via phone, email, or WhatsApp for product guidance or bulk pricing.