BIG-1150-O Big Max HDPE Oil Interceptor - 300 Gallons

BIG-1150-O Big Max HDPE Oil Interceptor – 300-Gallon Capacity

The BIG-1150-O Big Max Oil Interceptor is a compact yet heavy-duty solution for facilities that need dependable oil and sediment separation without the footprint of a large tank. With a 300-gallon liquid holding capacity, this unit is ideal for medium-volume applications where oils, fuels, lubricants, and hydrocarbons must be captured before entering the wastewater system.

Constructed from seamless, rotationally molded High Density Polyethylene (HDPE), the Big Max series offers exceptional structural strength, corrosion resistance, and chemical durability. Unlike steel units, this HDPE interceptor won’t rust, crack, or deteriorate—providing long, maintenance-free service life even in harsh industrial or automotive environments.

Key Features

• Uniform Wall Thickness: 3/8 in. HDPE rotational molded construction.
• Deep Seal Trap: Covered by a lid for effective oil interception.
• Adjustable Lid System: Allows for easy access and maintenance.
• Stainless Steel Calibrated Orifice Plate: Internal flow control for optimal performance.
• Internal Air Relief By-pass: Ensures smooth operation.
• Adjustable Oil Draw-off Assembly: 1 1/2 in. on each side for efficient oil collection.
• Double Vent Connections: 3 in. on each side for proper ventilation.
• Sample Port Access: Facilitates easy sampling and monitoring.
• No Hub Inlet and Outlet Connections: 4 in. connections for seamless integration.
• Composite Lids: Provides a water/gas-tight seal with a minimum load capacity of 20,000 lbs., designed in accordance with AASHTO H20 loading requirements.
• Made in the USA: Manufactured to meet demanding performance and safety standards.

Specs

Applications

The BIG-750-O is built for facilities such as:

• Heavy equipment maintenance areas
• Vehicle washing and repair centers
• Industrial manufacturing plants
• Transportation hubs and fleet garages
• Commercial sites requiring high-volume oil separation

Efficient, Durable, and Built for Compliance

The BIG-1150-O delivers reliable oil removal in a tough, long-lasting package. Its compact capacity, rugged HDPE body, and efficient baffling make it a smart choice for operations that need code-compliant oil separation without oversized equipment.