Both control valves can be differentiated according to their options. Doing so, process related requirements could have an influence on the decision.
Material in contact with the product: 1.4404 (AISI 316L)
Material not in contact with the product: 1.4301 ( AISI 304)
Seal material in contact with the produc: EPDM, FKM, HNBR
Ambient temperature: 0 to 45 °C
Air supply pressure: 6 bar (87 psi)
Product pressure: 10 bar (145 psi)
Water hammer safety: 50 bar
Surface in contact with the product: Ra ≤ 0.8 μm
External housing surface: Matte blasted
Control and feedback system: T.VIS® M-20, T.VIS® A-15
Actuator type: Pneumatic actuator air/spring
Connection fittings: Welding end
Identification: Adhesive ID tag
Valve seat version: Welded seat ring
Certificates: CE, EHEDG, FDA