The 2048-OS valve series is designed as an ultra-high purity check valve to prevent unwanted reverse flow, maintain gas system containment, and ensure contamination-free operation in semiconductor and high-purity process applications.

The primary purpose of the 2048-OS series is to replace standard semiconductor fittings while providing non-return functionality, maintaining process line integrity without requiring additional sealing gaskets. It is specifically intended for process gas distribution systems where containment, cleanliness, and purity are critical.
-Typical applications include:
Gas cabinet process lines
Reactor gas line protection
Gas mixing panels and systems
Valve manifold boxes (VMBs)
Critical containment applications in semiconductor and chemical processes


The 2048-OS functions as a check valve, allowing flow in one direction while preventing reverse flow. Key aspects of its function include:
-Non-return capability in the same footprint as standard fittings, without the need for gaskets
-Leak-tight performance, including vacuum tightness to 2500 PSID and forward pressure bubble-tight to the valve’s cracking pressure
-Controlled opening pressure with multiple cracking pressure options (e.g., 1/2, 2, 5, 10, 50 psi) and precise reseat performance
-Ultra-clean design: manufactured in Class 10 cleanrooms, electropolished wetted surfaces, and zero particle generation above 0.1 μm
-Material construction suited for high-purity processes, including 316L stainless steel body, poppet, and spring, with options for FKM or other seat materials
-High pressure range compatibility: capable of operating from vacuum up to 3500 psig
-Low outgassing and surface roughness: minimal contamination risk with <10 ppb O2/H₂O outgassing and <10 Ra micro-inch surface finish

These features ensure reliable backflow prevention, process gas isolation, and overall system integrity in high-purity and sensitive semiconductor operations. The 2048-OS valve is also suitable for integration into larger valve assemblies due to its compact footprint and configurable end connections
Carten Controls

In summary, the 2048-OS series serves critical safety and process control functions, combining high cleanliness, precise flow control, structural integrity, and reliability for industrial high-purity applications.

Industrial Storage Container and accessories pictured are all included along with the CMA/Flodyne/Hydradyne Mobil DTE 20 Series Production number 1008999 gas powered hydraulic pump.

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