Precision Mechanical Valves for Industrial Gas Control
At Roosevelt Valves, we offer mechanical valves engineered for safe and precise gas control. Built with forged brass bodies, stainless steel internals, and NPT connections, our valves are ideal for restaurants, kitchens, gas suppression systems, and other industrial applications. Designed to be normally closed, they ensure maximum safety and durability across a wide temperature range.
Explore the MK249 Series and optimize your operations with dependable performance.
Specifications
Type
2-Way Mechanical Valve – Normally Closed
Application
Gas (Kitchens, Restaurants, Gas Suppression)
Connection
1/2” to
3/4” NPT
Optional
Nickel Surface Chemical Treatment
Models
Code | Connection | Orifice (mm) | KV (m³/h) | Differential Pressure (PSI) | Temperature Range (°C) |
MK249D | 1/2” NPT | 16 | 3.5 | 5 | -10 to +90 |
MK249E | 3/4” NPT | 19 | 4.0 | 5 | -10 to +90 |
Unlock the Full Specs of the MK249 Series
Download the complete technical datasheet for the MK249 Series and explore every detail — dimensions, materials, compatibility, and performance curves.
Frequently asked questions
Here are some common questions about our MK249 Series Valve.
Mechanical valves are commonly used in gas systems to control flow manually or by pressure activation, ensuring safe operation in industrial settings.
Our mechanical valves are available with 1/2" to 3/4" NPT threaded connections for universal compatibility with gas lines.