

The Graco 233777 Pump Diaphragm 1:1 SST BSPP is a complete air-operated diaphragm pump designed for reliable fluid transfer and circulation in industrial spray and finishing systems.
The Graco 233777 Pump Diaphragm 1:1 SST BSPP is a complete air-operated diaphragm pump assembly designed for reliable fluid transfer and circulation in industrial spray and finishing applications. Built with a stainless steel body, this pump delivers excellent durability, corrosion resistance, and consistent performance in demanding environments.
This model operates at a 1:1 pressure ratio, ensuring equal air-to-fluid pressure for smooth and controlled material flow. The BSPP thread configuration makes it suitable for international installations where BSPP fittings are standard.
| Part Number | 233777 |
|---|---|
| Pump Type | Air-Operated Diaphragm Pump |
| Pressure Ratio | 1:1 |
| Body Material | Stainless Steel |
| Thread Type | BSPP |
| Typical Applications | Paint circulation, fluid transfer, industrial spray systems |
This pump assembly is commonly used in industrial environments where stable flow, clean material handling, and corrosion resistance are critical. It is suitable for use with paints, coatings, and compatible industrial fluids in continuous or intermittent duty cycles.
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