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2527 series

Adjustable anti-scald thermostatic mixing valve for solar thermal systems. Connections 1/2” (and 3/4”) M with union.
Dezincification resistant alloy body. Chrome plated. Obturator in PSU. Stainless steel springs. EPDM seal elements. ABS
control knob. Maximum inlet temperature 100°C. Adjustment range 35–55°C. Accuracy ±2°C. Maximum working pressure
(static) 10 bar. Maximum working pressure (dynamic) 5 bar. Maximum inlet pressures ratio (H/C or C/H) 2:1. Complete with
strainers and check valves at the inlets. Minimum temperature difference between the inlet hot water and the outlet mixed
water to ensure anti-scald performance 10°C. Minimum flow rate for stable operation 4 l/min. Performance to standards
NF 079 doc. 8, EN 15092, EN 1111, EN 1287.

SPECIFICATION SUMMARIES

Shut-off valve

Pressure reducing valve

Discharge tundish

Check valve

T/P safety relief valve

Temperature gauge

Expansion vessel

Automatic diverter valve

Thermostat

Pump

Safety relief valve

T

Normally closed

valve

T

T

T

Normally closed

valve

T

Application diagrams

- System with thermal integration

System with thermal integration and recirculation

We reserve the right to change our products and their relevant technical data, contained in this publication, at any time and without prior notice.

CALEFFI S.P.A. · I · 28010 FONTANETO D’AGOGNA (NO) · S.R. 229, N.25 · TEL. +39 0322 8491 R.A. · FAX +39 0322 863723

· www.caleffi.com · [email protected] ·

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CALEFFI

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