Section Vb1: Valves - Johnson Controls
standard packing available on the current valves is the EPDM (Ethylene Propylene Diene Monomer) Ring Pack as shown in Figure 4. Many of the discontinued JCI valves used a Teflon or graphite packing. The Actuator consists of either pneumatic or electric means to provide the force to stroke the valve. Consult Section Va: Valve Actuator in the
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