These gauges are usually installed in ammonia refrigeration systems. The compound gauges can also be used to handle other chemicals not injurious to wetted parts. The unique precision geared movement grately extends gauge life, particularly on tough services like ammonia compressors. Temperature equivalent scale in red provide easy analysis of refrigeration systems.
Standard Specifications
Size: 21/2" (63mm) Case: Drawn Steel, Grey, with corrosion resistant paint Window: One piece polycarbonate DIal: Aluminum, white background with black markings. Refrigerant temperature scale in red. Moverment: Precision geared Stainless Steel Bourdon Tube: 316 Satinless Steel. Connection:1/4" NPT LM, Painted Steel. Range: 30" Hg.vac-0-150 psi, 30" Hg.vac-0-30 psi. P60, P150 and P400 ranges also available. Accuracy: 3-2-3% of span.
