INDUSTRIAL DIAPHRAGM SEALS
DIAPHRAGM SEALS Flanged Diaphragm Seals
Open flange type diaphragm seal
intended to protect pressure measuring instruments from aggressive,
hot, corrosive or solidifying media. Intended for the general industrial,
mining, chemical and process industry.
Suitable for hot, aggressive gaseous and liquid media
under extreme conditions. Diaphragm gauges are
suitable for viscous, crystallising or polluting media.
Typical applications will be in the petrochemical and
chemical process industry.
Case Details
Nominal Dia: 100 & 160mm
Material: Stainless steel 304.
Bezel
Type T: S/Steel bayonet lock, twist type - removable
Type R: S/Steel rolled ring - tamper proof
Material: Stainless steel 304
Pressure Connections
Flanged: To required flange specifications.
Material: Stainless steel 316, other special materials to
required specifications.
Sizes : DN 25 to DN 125 in Class 10 to 250 to
Position: Radial bottom connection only.
Range : 60 kPa to 25 MPa
Gaskets: PTFE when bolted.
Measuring System
Diaphragm / bourdon tube filled system.
Diaphragm
Material: Stainless steel 316 welded to upper housing,
other special / exotic materials on request.
Geared Movement
Material: Clockwork brass or stainless steel.
Pointer
Collet: Aluminium or brass
Blade: Black aluminium
Dial
Material: Aluminium, white with black lettering.
Window
Instrument glass or plexiglass. ( Plexiglass recommended
for food applications )
Weather Protection
IP 65 Dust & weather proof
Working Pressure
Steady: Full scale value
Fluctuating: 90% of full scale value
Short Period: 130% of full scale value
Accuracy Class
Class 1
Operating Temperature
Ambient: -20°C to + 60°C
Medium: + 100 °C
Error: 0,5% of fsd / 1 above or below 20°C
Optional Extras
Glycerine filling of case
Calibration Certificate
Customized scale plates
Special Dials, other than standard
Colour Coding of dial
Drag pointer
Micro adjustable pointer
Single or double electrical contacts
Cooling tower
Capillary Extensions