Ever wondered why your Equilibar Application Engineer recommended a Polyimide diaphragm instead of a stainless steel diaphragm? Because our back pressure
regulator has only one moving part, the choice of diaphragm selection is complex by necessity.
However, our new Diaphragm Selection page sheds a little more information on the diaphragm selection process. If you are the kind of person who likes to know “why” this
page might be for you.
Go to Diaphragm Selection Page
Equilibar’s diaphragms come in a wide variety of materials:
Metallic Diaphragms – for high pressure and high temperatures
- SS316L
- Hastelloy C276
Polymer Diaphragms – for most chemical applications
- PTFE
- PTFE with Glass Reinforcement
- PEEK
- Polyimide
- PolyEthylene
Rubber Diaphragms
- FKM
- Buna N nitrile
- EPDM
