Pressure gauge for hard working condition
suitable for measurment in hard working conditions glycerine filling |
CONSTRUCTION: | EN 837-3 |
NOMINAL SIZES: | 63,80,100,160 mm |
ACCURACY CLASS: | 1.6%, 2.5% |
SCALE RANGE: | DN100, DN160 -1..0..250 |
PRESSURE LIMITS: | 75% of full scale value short time 1.3x FS value for up to 100 bar 1.15x FS value for above 100 bar |
TEMPERATURES | ambient -20 ÷ 60 C medium 60C, on special request 150C |
CONNECTION | lower mount, brass thread according to inquiry |
CASE | steel with black plastification (black powder coated steel) |
RING AND LENS | plastic or black plastificated steel with glass, or stainless steel with glass |
MEASURING ELEMENT | bourdon tube C or Helical type, Cu alloy |
MOVEMENT | brass |
DIAL | white aluminium, dial marking black |
POINTER | black powder coated aluminium |
INGRESS PROTECTION | IP 32 / IP 65 EN 60529 |
MARKING | Ø100 R1/2 (0÷40) MRČ (M÷HK) N-3m Kl.1,6 |
ADDITIONAL MARKING | /N case and ring stainless steel /L with cast housing /G filling with glycerine |
FILLING | glycerine, for ambient temperature below 0C silicone oil |
DIAPHRAGM | elastic membrane between galvanized steel flange |