Brochure

6442 series

Motorized two-way ball zone valve with three-wire control. 1/2” (from 1/2” to 1”) union sweat or NPT. Brass body. Chrome

plated brass ball. Ball seal made of PTFE with O-Ring in EPDM. Control stem seal with double O-Ring in EPDM. Union

seals with O-Ring in EPDM. Medium water and glycol solutions. Maximum percentage of glycol 50%. Maximum working

pressure 145 psi (10 bar). Temperature range 20 –230°F (-5–110 °C). Maximum working differential pressure

150 psi (10 bar). Self-extinguishing polycarbonate actuator; grey RAL 9002; synchronous three-wire motor with auxiliary

microswitch; electric supply 24 V; power consumption 4 VA; dynamic starting torque 70 in·lb (8 N·m). Auxiliary

microswitch contacts rating 0,8 A. Operating time (angle of rotation 90°C) 40 s; ambient temperature range 32–130°F

(0–55°C).

Code 6443.. 3BY

Motorised three-way ball zone valve, by-pass version, with three-wire control. 1/2” (from 1/2” to 1”) union sweat or NPT.

Brass body. Chrome plated brass ball. Ball seal made of PTFE with O-Ring in EPDM. Control stem seal with double O-

Ring in EPDM. Union seals with O-Ring in EPDM. Medium water and glycol solutions. Maximum percentage of glycol

50%. Maximum working pressure 150 psi (10 bar). Temperature range 20 –230°F (-5–110 °C). Maximum working

differential pressure 150 psi (10 bar). Self-extinguishing polycarbonate actuator; grey RAL 9002; synchronous

three-contact motor with auxiliary microswitch; electric supply 24 V; power consumption 4 VA; dynamic starting torque 70

in·lb (8 N·m). Auxiliary microswitch contacts rating 0,8 A. Operating time (angle of rotation 90°C) 40 s; ambient

temperature range 32–130°F (0–55°C).

Code 6443..

Motorised diverter/mixer three-way ball valve with three-wire control. 1/2” (1/2”, 3/4” and 1”) union sweat or NPT. Brass

body. Chrome plated brass ball. Ball seal made of PTFE with O-Ring in EPDM. Control stem seal with double O-Ring in

EPDM. Union seals with O-Ring in EPDM. Medium water and glycol solutions. Maximum percentage of glycol 50%.

Maximum working pressure 150 psi (10 bar). Temperature range 20 –230°F (-5–110 °C). Maximum working differential

pressure 150 psi (10 bar). Self-extinguishing polycarbonate actuator; grey RAL 9002; synchronous three-contact motor

with auxiliary microswitch; electric supply 24 V; power consumption 4 VA; dynamic starting torque 70 in·lb (8 N·m).

Auxiliary microswitch contacts rating 0,8 A. Operating time (angle of rotation 90°C) 40 s; ambient temperature range

32–130°F (0–55°C).

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.

9850 South 54th Street / Milwaukee, WI 53132

Tel: 414.421.1000 / Fax: 414.421.2878 / www.caleffi.us

CALE F F