Medium-large size system, By-pass on top of risers 1 1, Chilled water system, central by-pass – Infloor Pressure Differential by Pass 31075, 31076, 31077 User Manual
Page 4: Chiller, Infloor sales and service, Caleffi
Medium-large size system
by-pass on top of risers
1
1
mH2O 6
mH2O 6
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RT
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V
Chilled water system, central by-pass
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CHILLER
SPECIFICATION SUMMARIES
Differential pressure by-pass valve. Threaded connections 3/4” MNPT x 3/4” MNPT outlet, 3/4" Sweat x 3/4" Sweat outlet
1” FNPT x 1” MNPT outlet, 1” FNPT x 1” sweat outlet, 1 1/4” FNPT x 1 1/4” MNPT outlet and 1 1/4” FNPT + 1 1/4” sweat
outlet. Brass body. Brass valve plug. EPDM valve plug gasket. EPDM O-Ring seals. Asbestos free NBR union seals. ABS
control knob. Stainless steel spring. Medium: water, glycol solutions. Maximum percentage of glycol 30%. Temperature
range 32–230°F (0–110°C). Maximum working pressure 150 psi (10 bar). Setting range is 1 - 6 m w.g. (2–10 psi) and 3/4”
flow up to 9 gpm (1” flow up to 40 gpm and 1 1/4” flow up to 45 gpm).
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
Infloor Sales and Service
P.O. Box 4945, 503 Gregg Drive, Buena Vista CO 81211
Tel: 719.395.3400 / Fax: 719.395.3400 /