SMC offers a variety of pressure gauges including general purpose, oil-free/external parts copper-free with limit indicator, clean series and a pressure gauge with a pressure switch. Pressure ranges vary from 0 to 1.5MPa, depending on the selected gauge.
- General purpose pressure gauge w/limit indicator
- Back side or vertical side thread
- Pressure range: 0 to 1.5MPa
Catalog: G15/G27 KT-VBA22A-7N KT-VBA22A-8N AN30-N03 ANA1-N03 G27-20-01 G27-P20-01-X30 AN20-N02 G36-10-N01 G36-P10-N01-X30 AN40-N04 ANA1-N04 G27-20-N01 G27-P20-N01-X30 AN40-N04 ANA1-N04 G PVQ N S L Silencer High-noise reduction silencer Elbow for silencer AN40-N04 ANA1-N04 KT-VBA10A-18N KT-VBA10A-18N VY1 Note 1) In the case of options GN, two pressure gauges and one silencer are included in the same container
OUT2 P2(n2) P1(n1) Supply pressure verification Leak test CH P2(n1) > P1(n2) 10.0 to 101.0 kPa Increases the set value 1 2 3 4 PRESSURE For normally closed P2(n2) P1(n1) P2(n1) > P1(n2) 0.1 to 1000.0 MPa Decreases the set value SET P3(n3) and P4(n4) are the same as P1(n1) and P2(n2).
How to Find the Flow Rate (At air temperature of 20C) Choke flow: (P2 + 0.1)/(P1 + 0.1) 0.5 293 273 + t Q = 120 x S x (P1 + 0.1) x Subsonic flow: when (P2 + 0.1)/(P1 + 0.1) > 0.5 Q = 240 x S x (P1 P2)(P2 + 0.1) x 293 273 + t Q: Air flow rate [ /min (ANR)] S: Effective area (mm2) P1: Upstream pressure [MPa] P2: Downstream pressure [MPa] t: Air temperature [C] Note 1) Formulas above are applied