HUMAT

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The 4-Way Hydrant Valve Fire Departments Have Trusted Since 1975

Aluminum-alloy construction, a quarter-turn handle, and a waterway built to move 2,000+ GPM without choking your fireground — from first-due municipal engines to refinery and airport crash trucks. Send us your current hose diameter, thread standard, and how many valves you need, and we'll put together configuration options and pricing for your department. Most quote requests get a response within one business day, whether you're outfitting a single engine or an entire fleet.
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On the fireground

Water management is not a detail — it's the job.

Every second spent fighting a stubborn valve is a second not spent on the fire. A hydrant appliance that's awkward to mount, hard to read, or slow to switch between hydrant and pump pressure puts extra load on the crew at exactly the moment they can least afford it. When a department is committed to a working fire, every additional step at the hydrant is time borrowed from suppression. Crews train hard to handle high-pressure connections under stress, but training only goes so far if the equipment itself works against them — a control that's ambiguous to read, a handle that's hard to reach, or a valve that requires two separate motions to switch from static hydrant pressure to full pump pressure. That standard doesn't change based on where the hydrant sits. A valve built for a quiet residential block has to perform identically at a high-hazard occupancy — a tank farm, a runway, a chemical plant. The equipment doesn't get to have an off day, and neither does the crew operating it.

A valve designed around how crews actually operate at 2 a.m.

Quarter-turn operation
One handle controls the entire valve, and its position tells you at a glance whether it's open or closed, so there's no guessing under low light or heavy smoke.
Automatic changeover
The valve shifts from hydrant pressure to pump pressure on its own the moment the engine's discharge exceeds hydrant pressure, and reverts automatically if the pump fails, so no one has to run back to the hydrant to make the switch.
Full-bore waterway
A 5½" main chamber and 4" pump-mode waterway rated for 2,000+ GPM with no measurable friction loss, so the valve never becomes the bottleneck on a big fire.
Lay-flat safety
The handle stays accessible on the side of the valve no matter which way the hose lays out, and the initial line runs down the gutter, out of the travel lane and away from passing traffic.
Never obsolete
Couplings bolt on separately from the valve body, so a department can change thread type or hose size later without buying a new valve, protecting the initial investment for decades of service.

Built to the same standard, valve after valve

Main chamber interior diameter: 5½"

Small (pump-mode) chamber interior diameter: 4"

Rated capacity: 2,000+ GPM with no measurable friction loss

Body material: hard-coated, heat-treated aluminum alloy

Approximate dimensions: 14" wide x 14" long x 16" high (approximately 20" long with the hydrant wrench attached)

Coupling options: virtually any standard thread size or Storz-type quick connect, bolted on and field-changeable

Trusted anywhere the water supply can't afford to fail

Municipal and volunteer fire departments rely on the Humat valve for day-to-day hydrant operations. A quarter-turn handle keeps training time low across a roster with mixed experience levels, and station-level maintenance means the valve stays in service between calls instead of sitting in a repair queue. Refinery and industrial fire brigades depend on the valve's high-flow, low-maintenance design for critical infrastructure protection. Corrosion-resistant construction and modular couplings mean the same valve platform can be configured to match a specific facility's hose and thread standards, without a custom engineering project. Airport rescue and firefighting (ARFF) teams use the Humat valve where response windows are measured in seconds, not minutes. Automatic pressure changeover removes a manual step at the exact moment speed matters most, and the compact size keeps mounting simple on specialized apparatus.
1. Drop the valve

At the hydrant and connect your supply line — no special training beyond standard hydrant hookup procedures.

2. Charge the line

the valve delivers hydrant pressure immediately, so the attack line has water while the pumping engine gets in position.

3. valve switches to pump mode automatically

When the pumping engine opens its discharge and exceeds hydrant pressure, no one has to operate a second control.

4. If the pump fails

the valve reverts to hydrant pressure without anyone touching it, so the attack line never loses water entirely.

A design philosophy, not just a feature list.

Humat has built one valve platform for fifty years, and refined it rather than replaced it. Every so often a newer entrant to the 4-way valve market claims to offer the “next generation” of hydrant appliance. Our answer has stayed consistent: the fundamentals of moving the maximum amount of water safely, quickly, and predictably haven’t changed, so the core design doesn’t need to change either. What has changed, continuously, are the coupling and mounting options available around that core — which is exactly the part of the valve that’s built to be modular.

Common Questions About the Humat Valve

What flow rate can the Humat valve handle?

The Humat valve is rated for 2,000+ GPM with no measurable friction loss, thanks to a full-bore 5½” main chamber and 4″ pump-mode waterway.

The valve can be configured with virtually any standard thread size or Storz-type coupling. Because couplings bolt on separately from the valve body, you can change configurations later without replacing the valve.

Very little. The entire valve is operated with a quarter turn of a single handle, and the handle’s position shows at a glance whether the valve is open or closed.

Yes. Its full-bore waterway, durable aluminum-alloy construction, and automatic pressure changeover make it well suited to refinery, industrial, and ARFF applications where flow demands and response windows are both critical.

Yes. Its full-bore waterway, durable aluminum-alloy construction, and automatic pressure changeover make it well suited to refinery, industrial, and ARFF applications where flow demands and response windows are both critical.

Client Reviews

What Our Customers Say

Don't just take our word for it. Here's what real firefighters and trainers have to say about Humat.
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Get a spec sheet and a quote for your department.

Tell us your hose and thread configuration and we’ll put together pricing and the right coupling setup for your fleet. We’ll also let you know current lead times so you can plan around your budget cycle or bid deadline, and provide bid specification language if you need it for a formal purchasing process.

Request Your Quote and Spec Sheet

Request Your Quote and Spec Sheet

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