Performance Parameters:​ Model-specific pressure, flow, and temperature ratings for 8915-438 are not separately published in the retrieved materials. As a member of the 1907 small gas valve family, it shares the following common parameters: working medium of natural gas or clean industrial gas, gas filtration requirement of 25 microns absolute, ambient temperature range of -20°C to +80°C, and flow capacity matched to small- and medium-sized turbine requirements.

Working Principle:​ Gas enters through the inlet, passes through the precision metering port, and exits to the combustion system. An external actuator driven by the electronic controller adjusts the spool position to change the flow area, thereby regulating fuel supply to the turbine.