The Matheson LMF4373P Diaphragm Valve is engineered for high-purity gas applications, offering reliable performance and precise control.
Key Features
- Positive Shut-Off: Ensures secure closure with minimal force, enhancing safety and efficiency.
- High-Purity Design: Equipped with multiple metal diaphragms, the valve achieves a helium leak rate of 2 x 10-8 scc/sec, maintaining system integrity.
- Durable Construction: Constructed from nickel-plated brass, providing corrosion resistance and longevity.
Specifications
- Pressure Range: Vacuum to 3,500 psig (24,100 kPa)
- Temperature Range: -65°F to 150°F (-54°C to 65°C)
- Seat Material: Kel-F
- Flow Coefficient (Cv): 0.13
- Orifice Size: 0.125 inches
- Inlet/Outlet Connections: 1/4″ Male NPT to 1/4″ Female NPT
Applications
Ideal for use in high-purity gas delivery systems, laboratories, and industrial processes requiring precise gas flow control and minimal contamination.
Additional Information
The LMF4373P model is part of Matheson’s 4370 Series Full Turn Valves, recommended for applications where high purity and low diffusion are critical. Its robust design and reliable sealing capabilities make it a preferred choice for professionals in various industries.













Reviews
There are no reviews yet.