August 2, 2026
Butterfly Valves for Oil and Gas Service
Selection factors for high-performance and metal-seated butterfly valves in oil, gas and hydrocarbon systems.
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Technical Blog
Valve selection guides, engineering comparisons, installation advice and industry updates.
August 2, 2026
Stainless Steel Butterfly Valves: Materials and Applications
When stainless steel body and disc materials are appropriate for corrosive and hygienic butterfly valve service.
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August 2, 2026
Ductile Iron Butterfly Valves for Water Systems
Design, coating and material considerations for ductile iron butterfly valves in water infrastructure.
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August 2, 2026
Electric Actuated Butterfly Valves: Specification Guide
Key engineering inputs for specifying electric actuated butterfly valves for on/off and modulating service.
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August 2, 2026
Butterfly Valve Seat Materials: EPDM, NBR and PTFE
A practical guide to EPDM, NBR and PTFE butterfly valve seats for water, oil and chemical applications.
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August 2, 2026
Wafer, Lug and Flanged Butterfly Valves: How to Choose
Compare wafer, lugged and double-flanged butterfly valve body styles for water and industrial pipelines.
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August 2, 2026
Greysen Butterfly Valve Manufacturer: Engineering, Production and Project Support
How Greysen supports butterfly valve projects from application review through manufacturing, testing and export documentation.
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August 2, 2026
Large Diameter Butterfly Valve Selection Guide for DN600–DN3000 Pipelines
Engineering criteria for selecting body design, seat, actuator and installation details for DN600–DN3000 butterfly valves.
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August 2, 2026
Resilient Seated Gate Valves for Water Systems: Design and Selection
Key design, materials, standards and installation considerations for resilient seated gate valves in water networks.
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