Caleffi 132 balancing valve with flow meter
Caleffi 132 is a balancing valve that lets you read the flow directly on its built-in flow meter and set it with a ball valve. There are 10 models: threaded brass from 1/2" to 2" and flanged cast iron from DN 65 to DN 100.
- Function
- Direct flow reading and flow setting
- Body
- 1/2"–2": brass, insulated; DN 65–100: cast iron
- Flow meter
- Graduated scale, magnetically moved indicator; brass
- Regulating element
- Ball valve (characterised ball valve on flanged models)
Models (10)
| Code | Model | Connection | Body | Flow range |
|---|---|---|---|---|
| 132402 | 132 1/2" | 1/2" threaded | Brass, insulated | 2–7 l/min |
| 132512 | 132 3/4" | 3/4" threaded | Brass, insulated | 5–13 l/min |
| 132522 | 132 3/4" | 3/4" threaded | Brass, insulated | 7–28 l/min |
| 132602 | 132 1" | 1" threaded | Brass, insulated | 10–40 l/min |
| 132702 | 132 1 1/4" | 1 1/4" threaded | Brass, insulated | 20–70 l/min |
| 132802 | 132 1 1/2" | 1 1/2" threaded | Brass, insulated | 30–120 l/min |
| 132902 | 132 2" | 2" threaded | Brass, insulated | 50–200 l/min |
| 132060 | 132 DN 65 | DN 65 PN 16 flanged | Cast iron | 6–24 m³/h |
| 132080 | 132 DN 80 | DN 80 PN 16 flanged | Cast iron | 8–32 m³/h |
| 132100 | 132 DN 100 | DN 100 PN 16 flanged | Cast iron | 12–48 m³/h |
Series specifications
| Function | Direct flow reading and flow setting |
|---|---|
| Body | 1/2"–2": brass, insulated; DN 65–100: cast iron |
| Flow meter | Graduated scale, magnetically moved indicator; brass |
| Regulating element | Ball valve (characterised ball valve on flanged models) |
| Max. working pressure | 10 bar |
| Temperature range | -10–110 °C |
| Max. glycol content | 50% |
| Technical brochure | Caleffi 01149 |
How to choose
- Size by the design flow of the circuit, not by pipe size: the design flow must fall within the flow range of the model.
- There are two 3/4" options: 5–13 l/min (132512) for low-flow circuits and 7–28 l/min (132522) for higher flows.
- For large lines use the flanged DN 65 (6–24 m³/h), DN 80 (8–32 m³/h) and DN 100 (12–48 m³/h) models; they need flat-face EN 1092-1 counter-flanges.
- Suitable for glycol cooling and heat pump circuits with up to 50% glycol.
How to write it in a quote
Give the flow range together with the size, since one size can have different ranges: "Caleffi 132522 balancing valve with flow meter 3/4", 7–28 l/min, insulated". For flanged models add the counter-flange set as a separate line.
FAQ
What does a balancing valve with flow meter do?
It lets you read the flow through each circuit directly on the built-in flow meter, without a separate measuring instrument, and set it to the design value with the ball valve. This balances the circuits hydraulically.
How is the flow read?
The flow meter has a graduated scale and a magnetically moved indicator that shows the current flow on the scale. The setting is made by turning the ball valve.
Can it be used with glycol mixtures?
Yes, up to a maximum of 50% glycol. Working temperature is -10–110 °C and max. working pressure is 10 bar.
How do I know which model to pick?
Calculate the design flow of the circuit in l/min (threaded models) or m³/h (flanged models) and choose the model whose range contains it. If the value fits two ranges, pick the one where it sits closer to the middle.
Information compiled from the Caleffi product documents. Tekliva does not sell products or publish prices.
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