

High-performance bellows pump assembly for Merkur 35:1 SMT/DataTrak systems. Ideal for industrial coatings and high-viscosity fluids.
| Machine Model | Configuration |
|---|---|
| G35B18 | Merkur Bellows 35:1 – Wall Mount, Pump Only, DataTrak |
| G35B20 | Merkur Bellows 35:1 – Wall Mount, Pump & Gun, DataTrak |
| G35B22 | Merkur Bellows 35:1 – Cart Mount, Pump Only, DataTrak |
| G35B24 | Merkur Bellows 35:1 – Cart Mount, Pump & Gun, DataTrak |
Part Number: B35DB1
Product Name: Graco B35DB1 Pump Assy Bellows 100cc SMT
The B35DB1 is a genuine OEM bellows pump assembly for Graco Merkur 35:1 systems featuring a 100 cc SMT (Split‑Mount Technology) design. It is configured for use with DataTrak monitoring/control when installed with a compatible DataTrak module. :contentReference[oaicite:1]{index=1}
| Fluid Inlet | 3/4" NPT |
|---|---|
| Fluid Outlet | 3/8" NPT |
| Air Inlet | 1/2" NPT |
| Stroke | 63.5 mm (2.5") |
| Max Working Pressure | Up to 3500 psi (241 bar) |
| Packing Type | SMT/DataTrak style packings |
| Compatible Fluids | Waterborne, solventborne, high solids and industrial coatings |
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