Description
Product Overview
The Grid Controls Flow Switch M310-1 is engineered to provide precise flow detection and reliable shut‑off capabilities in demanding hydraulic and pneumatic environments. Constructed from high‑grade stainless steel housing, the unit resists corrosion, abrasion, and extreme temperature fluctuations, ensuring a long service life even in harsh industrial settings. With a compact 1‑inch (25 mm) diameter and a robust 10 A, 90 PSI rating, this flow switch integrates seamlessly into existing piping networks without requiring extensive modifications.
Key specifications include a product dimension of 5.6 × 2.5 × 5.7 inches, a weight of 1.5 lb, and an electrical rating of 10 A at 90 PSI. The device features a magnetic reed switch that activates when the preset flow rate is reached, delivering a clean, noise‑free signal to control panels, PLCs, or remote monitoring systems. The M310‑1 model is part of Grid Controls’ extensive portfolio of flow management solutions, recognized for their reliability and ease of installation.
![[Product front view showing all components]](https://www.oelvora.store/wp-content/uploads/2026/07/3f074046b9704e0f999c45666fa466cc.jpg)
Usage
Designed for versatility, the M310‑1 flow switch excels in a wide range of applications. In water treatment facilities, it monitors the flow of chemicals and filtration media, ensuring that treatment processes remain within optimal parameters. Aquarium hobbyists and commercial marine installations rely on its accurate detection to maintain stable water conditions, preventing over‑circulation that could stress aquatic life.
Industrial users employ the switch in pump control systems, where it safeguards motors by shutting down flow when abnormal conditions arise. It is also ideal for irrigation and agricultural water distribution, providing automated control that conserves water and reduces operational costs. The unit’s compact form factor allows installation in confined spaces such as valve boxes, pump housings, and inline manifolds, making it a preferred choice for retrofit projects and new builds alike.
Beyond these core uses, the flow switch integrates smoothly with fire sprinkler systems, solar‑powered water circulation loops, and pool cleaning equipment, delivering consistent performance across diverse environments. Its 10 A rating supports a variety of control circuitry, from simple relay setups to sophisticated programmable logic controllers, giving engineers flexibility in system design.
Why Choose Us
Grid Controls has a legacy of over three decades in fluid control technology, and the M310‑1 embodies that expertise. Each unit undergoes rigorous quality assurance testing, including pressure endurance, electrical continuity, and environmental resistance assessments, guaranteeing that the product meets or exceeds industry standards such as ISO 9001 and UL certifications.
Our commitment to customer satisfaction extends beyond the point of sale. We provide comprehensive technical documentation, installation guides, and responsive after‑sales support staffed by experienced engineers. Should you encounter any challenges during integration, our team is available to troubleshoot, recommend optimal wiring configurations, and suggest complementary accessories to enhance system performance.
Furthermore, the M310‑1 is backed by a limited warranty that covers manufacturing defects, reinforcing confidence in its durability. By choosing Grid Controls, you benefit from a trusted brand that prioritizes reliability, precision, and long‑term value for your fluid management needs.
Key Features
- Stainless steel housing resists corrosion and extends service life in harsh environments
- Compact 1‑inch design fits easily into tight spaces and standard pipe fittings
- Accurate magnetic reed switch provides reliable flow detection at 90 PSI
- 10 A rating supports a wide range of control circuits and automation systems
- Comprehensive technical support and warranty ensure peace of mind for installers
FAQ
What pipe sizes are compatible with the M310‑1 flow switch?
The M310‑1 is designed for 1‑inch (25 mm) nominal pipe diameter, but adapters are available to accommodate ¾‑inch and 1¼‑inch connections, allowing flexible integration into various piping systems.
Can the flow switch be used with both water and non‑water fluids?
Yes, the unit is suitable for a range of liquids, including water, glycol‑based coolants, and certain chemical solutions, provided the fluid does not exceed the 90 PSI pressure rating and is compatible with stainless steel construction.
How does the magnetic reed switch operate?
When fluid flow reaches the preset threshold, a magnetic element inside the switch moves, closing the reed contacts. This action generates an electrical signal that can be used to trigger alarms, shut‑off valves, or communicate with a PLC.
Is the flow switch suitable for outdoor installations?
Absolutely. The stainless steel housing and sealed electrical connections protect the device from moisture, dust, and temperature extremes, making it ideal for outdoor or semi‑outdoor applications.
What maintenance is required to keep the flow switch operating optimally?
Periodic visual inspections are recommended to check for debris buildup or corrosion. The unit is designed for low‑maintenance operation, and no routine disassembly is required unless a fault is detected.





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