Product Overview

CHILLER
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 W. Milwaukee Road
Milwaukee, WI 53208
Tel: [phone] · Fax: [phone]
[e-mail] · www.caleffi.us
© Copyright 2012 Caleffi North America, Inc.
DISCAL
®
551 Series — Compact
Air separator in brass. Connections for horizontal pipes, 3/4" NPT female threads or 3/4" sweat. Bottom 1/2" NPT female thread for drain. Models
available with pre-installed service check valve. Brass body. Stainless steel float guide pin. EPDM seal. 304 stainless steel internal mesh element.
Maximum working pressure 150 psi (10 bar), Temperature range 32 to 250°F (0 to 120°C). Glycol maximum 50%.
DISCAL
®
551 Series
Air separator in brass. Connections for horizontal pipes, 3/4" to 2" NPT female threads or 1" to 2" sweat. Bottom 1/2" NPT female thread for drain.
Models available with pre-installed service check valve. Brass body. Stainless steel float guide pin. EPDM seal. Glass reinforced nylon PA66G30 internal
mesh element. Maximum working pressure 150 psi (10 bar), Temperature range 32 to 250°F (0 to 120°C). Glycol maximum 50%. Pre-formed insulation
shells available separately for field installation.
DISCAL
®
NA551 Series — Vertical
Air separator in brass. Connections for vertical pipes, 3/4" to 1" sweat. Brass body. Stainless steel float guide pin. EPDM seal. 304 stainless steel internal
mesh element. Maximum working pressure 150 psi (10 bar). Temperature range 32 to 250°F (0 to 120°C). Glycol maximum 50%.
DISCAL
®
551 Series — Flanged
Air separator in steel. Connections for horizontal pipes, 2" to 6" flanged ANSI B16.5 150 Class RF. Bottom 1" NPT male thread for drain. Epoxy resin
painted steel body. Stainless steel float guide pin. EPDM seal. 304 stainless steel internal mesh element. Maximum working pressure 150 psi (10 bar).
Temperature range 32 to 250°F (0 to 120°C). Glycol maximum 50%.
DISCAL
®
NA551 Series — Flanged, ASME & CRN
Air separator in steel. Connections for horizontal pipes, 2" to 6" flanged ANSI B16.5 150 Class RF, designed and built in accordance with Section VIII,
Division 1 of the ASME Boiler and Pressure Vessel Code and tagged and registered with the National Board of Boiler and Pressure Vessel Inspector,
and CRN registered. Bottom 1" NPT male thread for drain. Epoxy resin painted steel body. Stainless steel float guide pin. EPDM seal. 305 stainless steel
internal mesh element. Maximum working pressure 150 psi (10 bar). Temperature range 32 to 250°F (0 to 120°C). Glycol maximum 50%.
SPECIFICATION SUMMARIES
Application diagram