With 4 plants and a total of 35 thousand square meters of covered surface and 250 employees - CRISTINA S.r.l. is today more than ever proud of its made in Italy own production currently distributed to 70 countries.

What is a Caleffi valve?

Caleffi pressure reducing valves feature the perfect sectional profile in the area of the highest flow velocity to ensure extremely low noise levels.

How do you adjust a Caleffi pressure reducing valve?

Caleffi 5335 series pressure reducing valves are factory set at 500 kPa. 4. If required, reset the pressure by turning the screw on the top of the plastic cover. Turn it clockwise to increase the pressure and anticlockwise to decrease it.