MZ 4-Bolt Flange X Female NPT Quick Opening Piston Gate Valve | Solid Bronze Construction | Ideal for Septic Trucks & Waste Mgmt | 4" & 6" Sizes

MZ Quick Opening Piston Gate Valve – 4 Bolt Flange x Female NPT | Bronze Valve for Septic Vacuum Trucks

Rugged. Reliable. Made for Liquid Waste Professionals.

Upgrade your septic or vacuum truck with the MZ Quick Opening Piston Gate Valve, engineered for high-efficiency operation in the toughest field conditions. Featuring a solid bronze construction, this Italian-made piston valve is trusted by professionals in the liquid waste and hydro-excavation industry for its long-lasting durability, ease of operation, and dependable sealing performance.

Designed with a 4-bolt flange on one side and a female NPT threaded connection on the other, this valve offers versatile integration with existing piping systems, hose lines, and tanks. The detachable bolt cap allows for quick internal inspections and cleaning, while its precision-engineered piston design ensures smooth, rapid opening and closure even under heavy-duty use.

Key Features: Industrial-Grade Performance & Build

• All-Bronze Body & Fittings: Corrosion-resistant construction ideal for waste, sludge, and fluid transfer.

• Piston Gate Design: Provides a reliable seal and smooth operation for fast emptying or flow shut-off.

• 4-Bolt Flange x FNPT Threaded Outlet: For flexible and secure installation across different hose and pipe systems.

• Detachable Bolt Cap: Allows easy access for maintenance and internal inspections.

• Valve Handle Sold Separately: Offers customization to match specific truck or equipment requirements.

• Available in 4" and 6" Sizes: Versatile sizing for different truck setups or plumbing systems.

• Made in Italy: Manufactured by MZ with a focus on quality and precision engineering.

Built for the Demands of Septic & Vacuum Trucks

Whether you’re pumping septic waste, grease trap sludge, or stormwater debris, this piston-style gate valve is optimized for quick discharge and long-term durability in harsh working environments. Its flange-to-thread connection layout makes it ideal for integration with vacuum tanks, pumping systems, or discharge hoses.