ARI-STEVI Pro 470/471 Control valve straight with spindle-guided cone
The powerful control valve for professional control and critical applications
Precise and high power: optimized flow characteristic quality.
at least 5 traceable Kvs values.
Spindle sealing options:
- PTFE V-Ring Assembly
- PTFE gasket
- graphite gasket
- stainless steel bellows seal
- EPDM Seal
Characteristics:
- variable trim
- Minimal noise: multi-stage trim (optional).
- folding handlebar stem.
- shaft guide plug.
- two-layer bellows seal (optional).
- Long service life: precision stem guidance.
- Accurate: even better control accuracy (optimized flow paths).
- Flexible: wide range of applications (very high differential pressures up to max. nominal pressure).
- Plug design: parabolic plug, optional V port or perforated plug (any optional: pressure balancing)
Nominal Diameter: DN 15-250 / NPS 1"-8"
Nominal Pressure: PN 16-40 / ANSI 150˜/˜ANSI 300
Actuators: Electric or Pneumatic
Body materials: e.g. EN-JL1040, EN-JS1049, 1.0619+N,
SA216WCB, 1.4581
Application & Medium:
- complex control task
- critical operating conditions
- process technology
- (heavy) industrial complexlant construction
- chemical industry
- power plant technology
- Refrigerant
- cooling water
- hot water
- hot waterthermal oilsteam
- gas
