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EH Series couplings
Walther Series EH Hook-in couplings are a thru type (non-valve) coupling system designed for use in various industries including chemical, food processing and pharmaceutical. Used for the movement of viscous, pasty, powder and pellet media, a maximum static working pressure up to 725 psi can be achieved depending on the bore size. Connecting the coupling components requires zero clearance and is performed by placing the adaptor, with a face seal, into the coupling nut slit and tightening the coupling nut using either the ribbed sleeve or by the "c" spanner bores. Any leakage due to wear of the face seal can be eliminated by further tightening of the coupling nut.
Type EH-025
nominal bore: 1" |
Part Number |
End Fitting |
Max static working pressure (PSI) |
| Hook-in coupling |
EH-025-4-WR542 |
1 1/4" BSPP female thread |
725 |
| EH-025-4-XX001 |
welding end od 30mm / id 24.8mm |
| EH-025-4-SL032 |
hose barb 32mm |
| Hook-in adaptor |
EH-025-1-WR542 |
1 1/4" BSPP female thread |
725 |
| EH-025-1-XX001 |
welding end od 30mm / id 24.8 |
| EH-025-1-SL032 |
32mm hose barb |
| End fitting adapter |
AN-00-WR042-WR042 |
1 1/4" male to 1 1/4" male BSPP thread |
-- |
Type EH-0
nominal bore: 2" |
Part Number |
End Fitting |
Max static working pressure (PSI) |
| Hook-in coupling |
EH-050-4-WR575 |
2 1/2" BSPP female thread |
435 |
| EH-050-4-XX001 |
welding end od 57mm / id 51.2mm |
| EH-050-4-SL060 |
60mm hose barb |
| Hook-in adaptor |
EH-050-1-WR575 |
2 1/2" BSPP female thread |
435 |
| EH-050-1-XX001 |
welding end od 57mm / id 51.2mm |
| EH-050-1-SL060 |
60mm hose barb |
| End fitting adapter |
AN-00-WR075-WR075 |
2 1/2" male to 2 1/2" male BSPP thread |
-- |
Type EH-0
nominal bore: 3" |
Part Number |
End Fitting |
Max static working pressure (PSI) |
| Hook-in coupling |
EH-080-4-WR613 |
4" BSPP female thread |
230 |
| EH-080-4-XX005 |
welding end od 88.9mm / id 82.5mm |
| Hook-in adaptor |
EH-080-1-WR613 |
4" BSPP female thread |
230 |
| EH-080-1-XX005 |
welding end od 88.9mm / id 82.5mm |
| End fitting adapter |
AN-00-WR113-WR113 |
4" male to 4" male BSPP thread |
-- |
- Materials:
- Coupling nut: stainless steel AISI 316ti
- Coupling housing and adaptor: stainless steel AISI 316ti, or stainless steel AISI 304ti
- Seals: PTFE
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