Brochure

Domestic hot water
system with recirculation
Radiant panels heating system
MIX
3
2
4
SUPPLY
HOTCOLD
MIX
BOILER
Radiant panel loop
CALEFFI CALEFFI
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
CALEFFI
Domestic hot water
system without recirculation
SUPPLY
MIX
3
2
4
MIX
3
2
4
Key to symbols
Safety relief valve
Check valve
Isolation valve
Expansion vessel
Filter
Pump
*
*
*
*
*
*
WATER
HEATER
WATER
HEATER
Application diagrams
*MIXCAL series 521 thermostatic mixing valves with inlet check valves, "AC" models, can be used instead of separately installed check valves.
Series 521
Adjustable thermostatic mixing valve to ASSE 1017. Threaded connections 1/2” (3/4” or 1”) NPT M with union
tailpieces. Low-lead brass body (<0.25% Lead content) certified by IAPMO R&T. Shutter, regulating seats and sliding
surfaces in anti-scale plastic. Seals EPDM. Stainless steel spring. Maximum working temperature 200°F. Setting range
85°F to 150°F. Maximum working pressure 200 psi. Tolerance ±3°F. Provided with tamper-proof setting lock.
Series 521
Adjustable thermostatic mixing valve to ASSE 1017. Sweat connections 1/2” (3/4” or 1”) with union tailpieces. Low-lead
brass body (<0.25% Lead content) certified by IAPMO R&T. Shutter, regulating seats and sliding surfaces in anti-scale
plastic. Seals EPDM. Stainless steel spring. Maximum working temperature 200°F. Setting range 85°F to 150°F. Maximum
working pressure 200 psi. Tolerance ±3°F. Provided with tamper-proof setting lock.
SPECIFICATION SUMMARIES
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 North America, Inc.
3883 West Milwaukee Road / Milwaukee, WI 53208
Tel: [phone] / Fax: [phone] / www.caleffi.us
© Copyright 2010 Caleffi
CALEFFI