Giacomini clapet check valve 1 1/2 brass N5Y007
Giacomini check valve is designed to ensure unidirectional passage of fluid and effectively prevent back pressure. Ideal for applications in thermal, sanitary, industrial, agricultural and fire-fighting systems. Designed for horizontal and vertical installations (upward flow direction only) in accordance with best hydraulic practices, with the following features:
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Connection: 1 1/2 inch
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Unidirectional operation: prevents return of pressurized fluid
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Durable material: brass body
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Reliable seal: NBR rubber seat for maximum safety even at low back pressures
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Versatile installation: compatible with horizontal or vertical (ascending) mounting
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Easy maintenance: inspectable plug for checking and cleaning the plug
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Low pressure drop: optimized internal structure to improve fluid passage and reduce noise
Giacomini check valve durable structure and simplified maintenance
The Giacomini 1 1/2 inch check valve is designed to allow unidirectional passage of fluid, effectively preventing pressure backflow within systems. It is the ideal element for thermal, plumbing, industrial, agricultural and fire-fighting systems where reliability, strength and ease of maintenance are required.
Maximum installation flexibility
Compatible with horizontal (with cap facing upward) and vertical (in upward flow only) installations, the valve easily adapts to any type of circuit while maintaining hydraulic performance.
Solid brass construction and reliable sealing
The valve body and plug (clapet) are made of high-strength brass, while the NBR rubber seal seat ensures perfect closure even at low back pressures, with an opening pressure of only 0.05 bar. The optimized internals reduce pressure drop and improve fluid passage.
Ease of maintenance and long service life
The presence of an inspectable plug allows quick interventions to clean the plug, reducing plant downtime. Ideal for systems prone to solid residues or dirt, it can be kept in perfect condition through simple periodic operations.
Technical Characteristics Giacomini Check Valve
Technical Data
| Feature | Value |
|---|---|
| Connection | Female 1 1/2 inch |
| Body Material | Brass |
| Shutter material | Brass |
| Gaskets and O-Rings | NBR rubber |
| Seal | NBR rubber seat |
| Temperature range | 5 to 95 °C (peaks up to 110 °C) |
| Maximum operating pressure | 16 bar |
| Opening pressure | 0.05 bar |
| Flow rate Kv | 10,5 |
| Installation | Horizontal (cap upward) or vertical (upward flow only) |
Applications
| Areas of use | Description |
|---|---|
| Main uses. | Sanitary systems Heating systems Power plants Fire-fighting systems Agricultural and industrial networks Glycol water (max 30%) |
Data sheet
- Type: Check valves
- Connection: F
- Connections: 1-1/2 inches

