1. Home
  2. » products
  3. » diaphragm seals
  4. » threaded diaphragm seals
  5. » threaded diaphragm seals
  6. »

Threaded Diaphragm Seals

Fill Fluid
Fillable = Glycerin, Low Temperature Glycerin, Silicone, Low Temperature Silicone, Fluorolube, Halocarbon Oil, Vaseline, Fluorocarbon, Slytherm, Paraffin Oil
Process Connection
¼” FNPT, ½” FNPT, ¾” FNPT, 1” FNPT
Connection Type
Available Options
  • Clamped Diaphragm
  • Custom Upper Housing, Lower Housing, and Diaphragm Materials
  • ¼” Flushing Connection on Lower Housing
  • Special Connection Size
  • Male Threaded Process Connection
  • Oxygen Cleaned
  • Material Analysis Certificate
  • High temperature with Grafoil Gasket
  • Clean-Out Ring (available on clamped designs only)
Upper Housing
Chrome Plated Carbon Steel or Stainless Steel
Low Housing
Carbon Steel or Stainless Steel
Carbon Steel or Stainless Steel
ESP Logo

Sign up for important ESP updates

Call Toll Free 770-790-6055

3295 Cobb International Boulevard NW
Kennesaw, GA 30152

Become A Distributor
Assembly locations

Assembly Locations in China, Taiwan, India & Mexico