EVN Type Sample Valve

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Steel & O’Brien right-angle eccentric (EVN) type sample valves are specifically designed to be the optimum product sampling solution in the industry. With superior engineering and quality, EVN sample valves offer exclusive performance benefits not found in other alternatives. Steel & O’Brien EVN type sample valves were developed with pharmaceutical and sanitary standards in mind, which is reflected in design aspects such as drainability and product contact geometries.

EVN models are available in 1” – 4” sanitary clamp inlet sizes and are offered in a variety of outlet connections.

Features:

Product Contact Surfaces
Body: 316L Stainless Steel
Stem: FDA/USP Class VI Certified Kynar® PVDF
O-Ring: FDA/USP Class VI Certified EPDM or FKM


Non Product Contact Surfaces
Knob: ULTEM® Polytherimide/PEI
Indicator: High temp yellow PVC
Upper Stem: Alloy 218 non-galling stainless steel
Bearing Washer: Virgin PTFE
Hardware/Other Misc. Parts: Stainless Steel


Finish Specifications
Internal surface finishes per ASME BPE
SF1: 20Ra maximum
SF5: 20Ra maximum with Electropolish
SF4: 15Ra maximum with Electropolish
External surface finish: 32Ra maximum


Service Conditions
Maximum operating temperature: 300°F
Maximum operating pressure: 250 PSIG
Maximum SWP: 50 PSIG @ 298°F


Documentation
Material test reports (MTR) for 316L product contact surfaces
Certificate of compliance for FDA/USP Class VI PVDF stem
Certificate of compliance for FDA/USP Class VI FKM O-Ring
Certificate of compliance for FDA/USP Class VI EPDM O-Ring
Internal surface finish certification
Electropolish certification
Passivation certification

Related Resources

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