The Giacomini R153PX003 pressure regulator is an essential device for controlling and maintaining a steady pressure in water or compressed air systems, preventing equipment damage and improving system efficiency. It is suitable for residential installations, drinking water supply, HVAC systems, irrigation, and compressed air networks (oil-free).
This unit features 1/2 inch threaded connections (G 1/2”F), and the outlet pressure can be adjusted between 1 and 5.5 bar, with a factory setting of 3 bar. Easy adjustment is made via a screw located under the cover. The durable construction includes a body made of nickel-plated brass, a piston made of glass fiber reinforced technopolymer, and EPDM seals. The sealing seat is made of stainless steel AISI 303, ensuring durability and safe operation.
The regulator has a connection for a manometer (Rp 1/4”) and complies with the EN 1567 standard. The maximum flow capacity is 1.27 m³/h (21 liters/min), making it ideal for small circuits or individual consumption points.
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Product code: R153PX003
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Connections: G 1/2”F (female)
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Pressure adjustment range: 1 – 5.5 bar
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Factory pressure setting: 3 bar
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Maximum working pressure: 25 bar
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Operating temperature: 0 – 130°C
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Maximum flow: 1.27 m³/h (21 l/min)
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Body material: nickel-plated brass
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Piston: glass fiber reinforced technopolymer
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Seals: EPDM and stainless steel AISI 303
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Compatible with: drinking water, glycol solutions (max. 50%), compressed air (oil-free)
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Noise class: II (below 30 dB)
Recommended applications:
- Pressure regulation at points of individual consumption
- Use in domestic installations or small technical applications
- Protection of equipment sensitive to pressure fluctuations
- Suitable for feeding boilers, filters, or other small devices
Installation recommendations:
- It is recommended to install an upstream filter to prevent dirt accumulation.
- When installed before a boiler or hot water tank, a storage tank should be installed after the regulator, even if a relief valve is already present.
Finish: Nickel-plated
Use: Drinking water
Product type: Pressure regulator
Material: Brass
Length: 114 mm
Weight: 0.54 Kg
Diameter: 0.5 inch
Maximum operating temperature: 130°C
Maximum working pressure: 25 bar
Thread type: Female
Intended for: Sanitary installations, heating systems, industrial installations, PSI
Inlet diameter: 0.5 inch
Outlet diameter: 0.5 inch
Pieces per set: 1
Inlet type: Female
Outlet type: Female
Angle of inclination: 0°
