Which models does the GEHO T/ZPM Piston Diaphragm Pumps cover?
The GEHO T/ZPM Piston Diaphragm Pumps covers 4 models: GEHO TZPM HB, GEHO TZPM, GEHO ZPM HB, GEHO ZPM. Former and renamed designations are listed in the models table on this page.
2022 2026 · 4 models


Select a model to jump to its component table; former and renamed designations are listed under “Historical names / renamings”.
| Model | Historical names / renamings | Period | Components |
|---|---|---|---|
| GEHO TZPM HB | TZPM HB; TZPM2000HB | 2022 2026 | 12 |
| GEHO TZPM | TZPM 100–2000; TZPM2000 | 2022 2026 | 10 |
| GEHO ZPM HB | ZPM HB; ZPM800 Heat Barrier | 2022 2026 | 12 |
| GEHO ZPM | ZPM 250–1700; ZPM900 | 2022 2026 | 10 |
The numbers on the diagram correspond one to one with the rows below.
| No. | Component | Location | Applies to |
|---|---|---|---|
| 1 | Diaphragm | Boundary of propelling liquid and slurry chamber | TZPM; TZPM2000 |
| 2 | Suction check valve | Lower suction passage | TZPM; TZPM2000 |
| 3 | Discharge check valve | Upper discharge passage | TZPM; TZPM2000 |
| 4 | Piston seals | Two chevron seal sets on piston | TZPM; TZPM2000 |
| 5 | Cylinder liner | Liner surrounding the piston | TZPM; TZPM2000 |
| 6 | Pulsation dampener | Gas-charged vessels above discharge manifold | TZPM; TZPM2000 |
| 7 | Piston | Inside propelling-liquid cylinder | TZPM; TZPM2000 |
| 8 | Piston guide ring | Guide ring on piston outside diameter | TZPM; TZPM2000 |
| 9 | Piston rod | Rear rod of piston assembly | TZPM; TZPM2000 |
| Component |
|---|
| Valve seat |
| Crankshaft |
| Gearbox |
| Relief valve |
| Floating separator disc |
| Water-jacket cooling tube |
Models with the same components are grouped together; select a group to open its component table.
Models: GEHO TZPM HB, GEHO ZPM HB
| No. | Component |
|---|---|
| 1 | Model-specific component |
| 2 | Model-specific component |
| 3 | Discharge Check valve |
| 4 | Piston seal |
| 5 | Model-specific component |
| 6 | Model-specific component |
| Valve seat | |
| Model-specific component | |
| Gearbox | |
| Relief valve | |
| Model-specific component | |
| Model-specific component |
Models: GEHO TZPM, GEHO ZPM
| No. | Component |
|---|---|
| 1 | Model-specific component |
| 2 | Model-specific component |
| 3 | Discharge Check valve |
| 4 | Piston seal |
| 5 | Model-specific component |
| 6 | Model-specific component |
| Valve seat | |
| Model-specific component | |
| Gearbox | |
| Relief valve |
The GEHO T/ZPM Piston Diaphragm Pumps covers 4 models: GEHO TZPM HB, GEHO TZPM, GEHO ZPM HB, GEHO ZPM. Former and renamed designations are listed in the models table on this page.
The GEHO T/ZPM Piston Diaphragm Pumps is also documented under these designations: GEHO TZPM HB, TZPM HB, TZPM2000HB, GEHO TZPM, TZPM 100–2000, TZPM2000, GEHO ZPM HB, ZPM HB, ZPM800 Heat Barrier, GEHO ZPM, ZPM 250–1700, ZPM900.
The GEHO T/ZPM Piston Diaphragm Pumps is listed under the GEHO brand. Period: 2022 2026. Status: Historical model.
12 components are recorded, including: Discharge Check valve, Valve seat, Piston seal, Gearbox, Relief valve and more. The full list with locations is in the components table on this page.
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