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Woodward 8904-941

Product Name:​ 1907 Series Small Gas Valve (Valve Only)
Product Introduction:​ The 8904-941 is a small gas valve from Woodward’s 1907 series, supplied as Valve Only. It is designed for precise gas flow regulation to meet industrial turbine control requirements.

Detailed content

Technical Specifications:
  • Working Medium:​ Clean natural gas or equivalent gas fuel
  • Gas Filtration Requirement:​ 25 µm absolute filtration
  • Operating Pressure:​ Complies with industrial gas system standard specifications
  • Flow Capacity:​ Matched to small-to-medium turbine requirements
  • Ambient Temperature Range:​ -20 °C to +80 °C
Functional Features:​ The valve port design ensures stable and repeatable flow characteristics. The structure is simple and compact, reducing installation space requirements. It adopts proven and reliable sealing technology to adapt to continuous operation conditions.
Application Scenarios:​ Small industrial gas turbines, distributed power generation and combined heat and power projects, gas engine fuel supply systems, gas metering control in industrial processes, and standby/emergency gas generator sets.
Material Composition:
  • Valve Body:​ Precision cast aluminum alloy or stainless steel
  • Metering Spool:​ Surface-hardened wear-resistant alloy steel
  • Sealing System:​ Gas-resistant fluororubber (FKM) elastomer
  • Connectors:​ High-strength corrosion-resistant alloy steel fasteners
Structural Features:​ Precision metering port ensures accurate correspondence between flow and valve position. Standard pipe connection ports facilitate on-site pipeline construction. The actuator mounting reference surface is precisely machined. Internal flow passages are smooth, providing excellent pressure drop characteristics. The overall structure is anti-vibration designed.
Working Principle:​ System gas enters the valve through the inlet port and flows to the combustion system after passing through the metering port.
Installation Requirements:​ Standardized interface design facilitates integration with various actuators and control systems.
Usage Precautions:​ Ensure 25 µm absolute filtration of the gas supply. Operate within the specified ambient temperature range.

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