The Siemens 258-02047C 2WNO 8-13 LN SS OR FXF .5/.4
Valve, Assembly, 2 Way Normally Open, 1/2″, NPT, 0.4 Cv Equal Percentage Flow Forged Brass Body with Stainless Steel Trim Valve Body (8-13 PSI Spring Range) and 8-13 PSI Spring Range Pneumatic Actuator

