
ARO 666053-334 Double Diaphragm Pump
ARO 666053-334 is a 1/2-inch non-metallic Compact Series AODD pump in the 66605X-XXX family. It delivers up to 13 gpm at 100 psi with polypropylene fluid caps, manifold and seats, Viton balls, and PTFE/Santoprene diaphragms. SKU 666053-334 uses 1/2-14 NPTF-1 fluid connections.
ARO 666053-334 Double Diaphragm Pump is a 1/2-inch non-metallic air-operated double diaphragm pump in the ARO Compact Series 66605X-XXX family. SKU 666053-334 uses 1/2-14 NPTF-1 fluid inlet and outlet connections.
66605X-XXX Series Overview
This compact 1:1-ratio pump family is built for fluid transfer, circulation, dispensing, and OEM equipment where installation space is limited. Non-metallic wetted construction supports a broad range of compatible industrial fluids.
- Flow: up to 13 gpm (49.2 lpm).
- Pressure: up to 100 psi (6.9 bar) air inlet and fluid outlet pressure.
- Solids handling: particles up to 3/32 in (2.4 mm).
- Suction: up to 15 ft (4.6 m) maximum dry suction lift.
Compact Series Design Benefits
- The unbalanced air-valve design supports stall-resistant operation.
- A compact footprint makes the pump suitable for machinery and OEM integration.
- Modular construction provides practical access for routine service.
- Multiple fluid-section materials are available across the family for application-specific selection.
666053-334 Configuration
This model is configured with fluid caps and manifold: Polypropylene, seats: Polypropylene, balls: Viton, diaphragms: PTFE/Santoprene.
Configured temperature range: 40 to 175 deg F (4 to 79 deg C). This model-specific limit is determined by its wetted materials and may be lower than the maximum rating of an individual elastomer.
Confirm chemical compatibility, operating temperature, air supply, and connection requirements for the complete configured model before ordering.
| Brand | ARO |
|---|---|
| Product Type | Pump |
| Product Series | Compact Series |
| Material - Diaphragm | PTFE/Santoprene |
| Application | Marine Pump/Equipment |
| Solids Handling | 3/32 in (2.4 mm) |
| Material - Balls | Viton |
| Material - Fluid Caps and Manifold | Polypropylene |
| Material - Seats | Polypropylene |
| Max Air Inlet Pressure | 100 psi (6.9 bar) |
| Max Flow | 13 gpm (49.2 lpm) |
| Max Fluid Pressure | 100 psi (6.9 bar) |
| Noise Level | 71.1 dB(A) |
| Notes | Polypropylene fluid caps and manifold, Polypropylene seats, Viton balls, and PTFE/Santoprene diaphragms. |
| Displacement | Positive Displacement |
| Model Series | 66605X-XXX |
| Pump Type | Non-Metallic Air-Operated Double Diaphragm Pump |
| Pressure Ratio | 1:1 |
| Fluid Inlet/Outlet | 1/2-14 NPTF-1 |
| Max Material Inlet Pressure | 10 psi (0.69 bar) |
| Max Dry Suction Lift | 15 ft (4.6 m) |
| Configured Temperature Range | 40 to 175 deg F (4 to 79 deg C) |
| Fluid Section Service Kit | 637140-34 |
| Air Section Service Kit | 637141 |
ARO 93075 O-Ring, Cream is an ARO part or accessory, identified by SKU 93075. This component is intended for compatible ARO fluid-handling equipment.
Confirm the SKU, materials, connection details, and model compatibility against your operating requirements before placing an order.
