Blagdon B25 PTFE Diaphragm Pump
The Blagdon B25 Conductive PTFE Air-Operated Double Diaphragm Pump is a versatile and reliable 1-inch pump designed for transferring aggressive chemicals, solvents, and viscous fluids. Built with conductive PTFE casing, it offers exceptional chemical resistance and complies with ATEX standards, making it safe for use in hazardous environments. With a maximum flow rate of 136 L/min, self-priming capabilities, and a compact, lightweight design, it is ideal for industries like chemical processing, pharmaceuticals, and food and beverage.
- Max Capacity:
136 ltrs/min (36 USgal/min)
- Max Pressure:
7 bar (102 psi)
- Max Viscosity:
5000 cP
Description
Description
- Pump Type: Air-Operated Double Diaphragm Pump
- Control: Valve in air inlet (not included)
- Materials: PTFE casing (other material options available)
- Fluid Connections: 1-inch inlet and outlet (options available for thread type)
- Max Solid Diameter: 3 mm
- Max Flow Rate: 136 liters per minute (L/min)
- Displacement: 0.475 liters per stroke
- Max Discharge Pressure: 7 bar
- Air Inlet: 3/8″ BSP(F) or 3/8″ NPT(F)
- Pump Weight: Approximately 40 kg
Features
- Simple construction, easy to maintain
- Available in virgin and conductive PTFE
- Chemically inert
- Flanged end connections
- ATEX approved – intrinsically safe
- Reliable, proven pneumatic air valve
- Strong, robust design
Options
| Feature | Description |
|---|---|
| Air-Operated Design | Operates using compressed air, eliminating the need for electrical power. |
| Suitable for hazardous environments, including ATEX-rated zones. | |
| Conductive PTFE Casing | Exceptional chemical resistance to aggressive acids, alkalis, and solvents. |
| Conductive properties ensure safe operation in environments prone to static discharge. | |
| Compact and Lightweight | Approximate weight of 40 kg, making it portable and easy to install. |
| High Flow Rate and Pressure | Maximum flow rate of 136 liters per minute (L/min) for efficient fluid transfer. |
| Handles discharge pressures up to 7 bar, suitable for demanding applications. | |
| Self-Priming Capability | Can self-prime up to 5.5 meters dry, enabling operation without pre-filled suction lines. |
| Flexible Fluid Handling | Accommodates solids up to 3 mm in diameter, allowing use with fluids containing particulates. |
| Wide range of viscosities, from thin chemicals to viscous slurries. | |
| Efficient Displacement | Delivers 0.475 liters per stroke, ensuring consistent and reliable flow performance. |
| Versatile Fluid Connections | Standard 1-inch inlet/outlet ports with options for BSP(F) or NPT(F) threading. |
| Easy integration into existing systems. | |
| Robust Bolted Construction | Leak-proof design enhances reliability and reduces maintenance requirements. |
| Wide Temperature Compatibility | Suitable for a range of temperatures depending on diaphragm and casing material selection. |
| Minimal Maintenance Requirements | Few moving parts and a simple design ensure long service life and low downtime. |
| Customizable Options | Various diaphragm materials (PTFE, EPDM, Santoprene, Buna-N) available to meet specific needs. |
| Accessories like pulsation dampeners and filter regulators enhance functionality. |
Specifications
| Specification | Details |
|---|---|
| Pump Type | Air-Operated Double Diaphragm Pump (AODD) |
| Material | Wetted Casings: Conductive PTFE (other materials available) |
| Diaphragm Options: PTFE, EPDM, Santoprene, Buna-N | |
| Non-Wetted Components: Corrosion-resistant materials | |
| Fluid Connections | Size: 1 inch (25 mm) |
| Thread Types: BSP(F) or NPT(F) (options available) | |
| Maximum Solid Diameter | Capable of handling solids up to 3 mm |
| Flow Rate | Maximum: 136 liters per minute (L/min) |
| Displacement Per Stroke | 0.475 liters/stroke |
| Maximum Discharge Pressure | 7 bar (101 psi) |
| Air Supply Requirements | Inlet Size: 3/8 inch BSP(F) or NPT(F) |
| Air Pressure Range: Up to 7 bar (101 psi) | |
| Self-Priming Capability | Dry: Up to 5.5 meters (18 feet) |
| Wet: Up to 8 meters (26 feet) | |
| Temperature Range | PTFE: -20°C to 100°C |
| EPDM/Santoprene: -20°C to 80°C | |
| Weight | Approximate weight: 40 kg |
| Pneumatic Control | Air inlet requires a control valve (not included) |
| Can be equipped with a filter/regulator for optimal performance | |
| Certifications | ATEX-compliant (Conductive PTFE option) for use in hazardous environments |
