Diaphragm seal – TR20/TR21

Sheet No.: 1-820 GB

Knuckle thread

  • Wetted parts, AISI316
  • Diaphragm in different materials

Application

The knuckle thread diaphragm seal is well suited for many different applications in all industries. It is reliable works both on gasses and liquids.

TypeMeasuring range
DatasheetInstrumentTypeMin. spanMax. pressure
1-600
2-600
Pressure gauge
Pressure transmitter
A32/37
P1232/37
1 bar, 15 psi
0,25 bar, 4 psi
40 bar, 580 psi
40 bar, 580 psi
Diaphragm sealTR....
Wetted parts
DNG-DS199MaterialA
50
40
RdG72
RdG58
AISI316
AISI316
48
50
20
21
Diaphragm
PTFE
EPDM
VITON
AISI316
Hastelloy C22
01
02
03
04
07
Example: Diaphragm seal with wetted parts in AISI316 and diaphragm in AISI316: TR2004
Transmission liquid
ApplicationLiquid typeTemp. rangeSpan
StandardGlycerine 90/10-5/+130 °C
(+23/+266 °F)
All
Low temperatureGlycerine 75/25-40/+100 °C
(-40/+212 °F)
All
High temperatureGlycerine+5/+200 °C
(+41/+392 °F)
≥4 bar, 60 psi