42mm Lever Valve Compact Body Quarter Turn Quick Shut Off For Water Filter
42mm lever valve with compact structure & fast quarter turn operation, brass/plastic body, fit water filter & heating pipeline isolation.
Description
I. Basic Product Function
The 42mm lever valve is a manual shutoff valve designed to fit standard 42mm filter housings. Using a lever‑operated ball valve mechanism, it enables rapid open/close control of pipeline media. It is primarily used for isolation in water purification units, wall‑hung boilers, and small‑bore supply lines. Its key features include a compact footprint and quick actuation, realised through a quarter‑turn shutoff valve design that requires only 90° rotation—significantly shorter than conventional threaded angle valves. This makes it easy to install even in tight equipment spaces, meeting the needs of both residential and commercial small‑scale fluid systems.
II. Standard Technical Specifications
| Parameter | Standard Specification |
|---|---|
| Outer diameter | 42mm (fits standard filter housings) |
| Actuation | Lever operated ball valve (lever handle) |
| Stroke | 90° quarter‑turn (rapid open/close) |
| Valve body type | Compact brass ball valve (compact body) |
| Body material | Forged brass / Food‑grade engineering plastic |
| Connection type | Compression fitting (compression ball valve) |
| Seal material | Food‑grade PTFE |
| Pressure rating | 16 Bar |
| Suitable media | Tap water, recirculated chilled water, low‑temperature soft water |
| Compatible equipment | Water filter pre‑filters, wall‑hung boilers, small spray systems |
III. Core Structural Advantages
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Compact design – The integrated small‑body configuration occupies minimal space, allowing installation inside filter housings or cramped under‑sink cabinets without interfering with adjacent fittings.
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Rapid actuation – The standard 90° lever operation eliminates multiple turns; water flow can be instantly cut off during filter changes or emergency leaks, reducing drainage loss.
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Compression connection – Directly mates with 42mm universal filter housings without the need for reducing adapters, improving assembly efficiency.
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Food‑grade sealing – Ensures leak‑free performance over long‑term domestic service, with stable and durable operation.
IV. Industry Applications and Real‑World Case
This valve is widely used in whole‑house water purification and HVAC equipment production lines.
Real‑world application case: Shanghai Water Purification Equipment Smart Manufacturing Industrial Park. When assembling water treatment units, the park standardised on the 42mm lever valve. The limited internal space of the equipment was perfectly accommodated by the compact brass ball valve body, which fits the designated mounting positions on filter housings. The quarter‑turn shutoff valve lever enables assembly line workers and after‑sales technicians to quickly shut off water during filter changes—without lengthy draining of the entire system. This has significantly improved factory testing efficiency and on‑site maintenance response. Over years of service, no leakage or handle‑sticking issues have been reported.
V. Selection Guidance
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For residential water purifiers, the plastic‑body version is preferred for cost savings.
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For commercial systems or frequent‑cycling applications, choose the compact brass ball valve with a brass body.
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For batch equipment assembly, always select the 42mm standard compression ball valve for maximum compatibility.