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Non-ASME Diaphragm Expansion Tanks

Armstrong Non-ASME Diaphragm Expansion Tanks

Armstrong non-ASME diaphragm expansion tanks for smaller hydronic systems, with a double-clamped butyl diaphragm and 100 psi maximum working pressure.

Features

  • Shell process connection: Carbon steel, NPT male
  • Shell finish: Enamel
  • Diaphragm: Butyl, double clamped
  • Charge connection: Schrader (standard tire) valve
  • Liquid: conditioned water, optionally with up to 50% propylene or ethylene glycol.
  • Design 1 models may be hung directly from Armstrong ART series air removal traps connected to adequately supported piping; Design 2 and 3 models are free standing.
  • Multiple tanks may be used for increased capacity.

Select your size

Click a model for full specifications, dimensions and documents.

Model Tank volume Height (A) Diameter (B) Weight
15 2.1 gal (8 L) 10.80" 7.90" 5 lb
30 4.8 gal (18 L) 13.70" 10.60" 9 lb
60 6.3 gal (24 L) 15.40" 11.80" 14 lb
90 13.2 gal (50 L) 21.10" 15.00" 23 lb
SX-30V 15.8 gal (60 L) 28.70" 15.00" 31 lb
SX-40V 21.2 gal (80 L) 23.60" 17.70" 33 lb
SX-60V 39.7 gal (150 L) 35.20" 19.70" 60 lb
SX-90V 52.9 gal (200 L) 33.90" 23.60" 81 lb
SX-110V 66.1 gal (250 L) 39.20" 24.80" 90 lb
SX-160V 79.4 gal (301 L) 44.70" 24.80" 106 lb

Dimensions in inches. Dimensions and weights are for reference only.

Design & Submittals

Warranty

Covered by the Armstrong Fluid Technology manufacturer's warranty.

Installation, Maintenance, Parts Kits & Manuals

Need help sizing an expansion tank? call (416) 236-2338 or email sales@bramhambros.com