RaloTex Diaphragm Pressure Gauges
Threaded Process Connection ----- Plastic material
DS418 series
Applications:
Diaphragm pressure gauges are used when medium is corrosive, contaminated, viscous, crystallizing or with particles. DS418 series is particularly used with high corrosive medium. Industries of chemical, plating, waste water treatment and fertilizer are the most common applications.
Technical data:
Instruments |
All series pressure gauges and pressure transmitters are available |
Process connection
(Thread) |
1/4”; 3/8”; 1/2”; 3/4”; 1” PT (BSPT) / NPT, male or female thread Other connection available made-to-order.
Note: Generally PF (BSP) thread is not available because the inlet hole is too small and it will be clogged with viscous or crystallizing medium. |
Upper diaphragm
housing |
PP standard
PVC ; Teflon(PTFE) ; PVDF available made-to-order Diameter 082 (PP only) and 70 standard, 55 mm available ” |
Lower diaphragm
housing |
PP ; PVC ; Teflon (PTFE) ; PVDF
Diameter 082 (PP only) and 70 standard, 55 mm available
* PP=Polypropylene ; PVC=Polyvinyl Chloride ; PVDF= Polyvinylidene Fluoride |
Diaphragm |
Teflon (PTFE) |
Screws of housing |
SS304 standard, other materials available made-to-order |
Temperature |
PP — medium max+80°C for PN 1bar, max. +20°C for PN 10bar (linear)
PVC — medium max. +60°G for PN 1bar, max. +20°C for PN 10bar (linear)
PTFE / PVDF — medium max.+120°C for PN 1 bar, max.+40°C for PN 10bar (linear) |
Filling fluid |
Glycerin standard, fluorocarbon oil available |
Pressure ranges |
General type: 0/1 - 0 /10 kg/cm2 (bar), positive, negative or compound
Low pressure type: below 1 kg/cm2 (diameter of diaphragm housing should be 90mm) |
Accessory
assembly (option) |
Capillary for remote measurement (specify length of capillary when ordering) |
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