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:
Connection: 1 1/2 inch
Unidirectional operation: prevents return of pressurized fluid
Durable material: brass body
Reliable seal: NBR rubber seat for maximum safety even at low back pressures
Versatile installation: compatible with horizontal or vertical (ascending) mounting
Easy maintenance: inspectable plug for checking and cleaning the plug
Low pressure drop: optimized internal structure to improve fluid passage and reduce noise
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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.
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.
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.
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.
| 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) |
| Areas of use | Description |
|---|---|
| Main uses. | Sanitary systems Heating systems Power plants Fire-fighting systems Agricultural and industrial networks Glycol water (max 30%) |
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