Swagelok SS-BNV51 Manual Diaphragm Valve 1/4” VCR Stainless Steel New

Swagelok SS-BNV51 manual diaphragm valve, featuring 1/4” male VCR x VCR face seal ends, precision stainless steel construction, and a compact, contamination-resistant flow path. This model is ideal for high-purity applications such as semiconductor processing, inert gas control, and high-spec vacuum environments.

Specifications:

• Manufacturer: Swagelok

• Model: SS-BNV51

• Valve Type: Manual Diaphragm Valve

• Connections: 1/4” Male VCR x Male VCR

• Material: 316 Stainless Steel Body & Bonnet

• Flow Coefficient (Cv): 0.2

• Max Pressure Rating: 3000 psig (206 bar)

• Temperature Range: −10°F to 400°F (−23°C to 204°C)

• Actuation: Manual Knob

• Condition: Brand New – Open Box

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Applications:

Engineered for ultra-clean, high-performance systems in:

• Semiconductor gas delivery

• UHP (Ultra High Purity) applications

• Analytical instrumentation

• Lab and cleanroom setups

• Gas chromatography and controlled purge systems

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Comparable Products & Cross References:

• Parker 459 Series Diaphragm Valves

• Veriflo SC Series

• Cajon BNV51

• SSP Diaphragm Flow Valves

• Hoke 5400 Series

• Compatible with Swagelok VCR face seal glands, fittings, and assemblies

• Replaces or upgrades existing BNV51 applications across OEM systems

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Sourced by AIX Global

All inventory is inspected, verified, and shipped by AIX Global — a trusted reseller of surplus and overstock from labs, manufacturers, and industrial facilities. We focus on high-demand fittings, valves, and components from premium brands like Swagelok, Parker, Cajon, SSP, Whitey, and more.

Expect safe handling, detailed accuracy, and exceptional service.