AUTO MPV 20NB TMF REGULAR (RUNXIN)
AUTO MPV 20NB TMF REGULAR (RUNXIN) is used in small to medium water treatment systems (softeners, filters), from the Runxin brand, sized for a 20NB pipe
Description
Specifications
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SPECIFICATION FOR AUTO VALVE
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| Product Code | 2645 |
| BRAND | RUNXIN |
| MODEL | 53602 |
| SIZE | 20 NB |
| TYPE | METER TYPE (VOLUME TYPE) |
| MOUNTING | TOP MOUNT FILTER |
| OPERATION | AUTO |
| PIPE SIZE | 3/4″M |
| MAXIMUM FLOW CAPACITY | 2000LPH |
| SIZE OF BASE | 2.5″ |
| DISPLAY SIZE | 60mm |
| SIGNAL OUTPUT RELAY | 2 |
| INFORMATION | R SERIES AUTOMATIC FILTER VALVE FOR IRON REMOVAL & MEDIA (SAND FILTER) FILTER – METER TYPE (VOLUME TYPE) |
| PACKING LIST | Control valve -1 no, Transformer (DC12V) -1 no, Top & Bottom Strainer -1no, 3/4″ Flow meter -1 no, User Manual -1no |
| APPLICATION | CONTROL WATER FLOW DIRECTION |
| USED IN | WATER TREATMENT PLANT |
| Country of Origin | CHINA |
20NB TMF Regular (Runxin) Valve — Detailed Description
Product: Multiport Valve 20NB (Runxin multiport valve type)
Brand: Runxin
Type: Manual Multiport Control Valve (TMF Regular)
Nominal Size: 20NB (≈ ¾″–1″)
What It Is
The 20NB TMF Regular from Runxin is a manual multiport valve designed to control the flow of water in filtration and softening systems. It’s widely used in sand filters, carbon filters, ion-exchange softeners, and RO pretreatment units to manually switch the water flow between different operational modes such as Service, Backwash, and Rinse.
Key Features
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Manual Operation: Easy and reliable operation by rotating a handle to change the valve position.
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Corrosion-Resistant: Made with quality plastic/ABS materials (often reinforced with glass fiber), providing durability and resistance against corrosion in water environments.
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Multiple Functions: Typically offers major positions such as:
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Service — normal filtration/softening
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Backwash — reverse flow to clean filter media
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Rinse — settle media after cleaning
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Waste/Drain — flush out system (depending on exact model)
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Leak-Resistant Sealing: Designed with a reliable sealing system that prevents water bypass and leakage around the valve.
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Compact Build: Suited for compact water treatment units where space is limited.
Technical / Typical Specs (General for 20NB Manual Valves)
| Specification | Typical Values |
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| Nominal Bore | 20NB (~¾″–1″) |
| Material | Plastic/ABS with corrosion-resistant internals |
| Operating Pressure | ~0.2–0.5 MPa (≈ 2–5 kg/cm²) |
| Temperature Range | ~5–50 °C |
| Flow Functions | Service, Backwash, Fast Rinse (and possibly Waste) |
| Mounting | Top or side mount options |
Typical Applications
✔ RO Pre-Treatment Filtration Systems — sand/carbon filters before RO membranes.
✔ Water Softeners — directs flow during softening and regeneration steps.
✔ Industrial & Domestic Filtration — host of filtration setups requiring manual control.
✔ Swimming Pool & Wastewater Systems — control water paths during cleaning cycles.
Why Choose Runxin TMF Regular
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Cost-Effective: A simple manual valve option compared to automatic valves.
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Reliable: Proven design with long service life and minimal maintenance.
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Versatile: Works across many water treatment applications.
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Easy to Use: Intuitive manual handle makes mode-switching quick and straightforward.
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