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STEVI Pro – The high-performance control valve for professional control especially in critical applications

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  • STEVI Pro – The high-performance control valve for professional control especially in critical applications

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STEVI Pro – The high-performance control valve for professional control especially in critical applications


The high-performance control valve, stainless steel variant now also with stainless steel bellows!

• Precise and high performance: optimised characteristic quality.

• Variable: up to 6 (!) reducible Kvs values.

• Variable: stem seal options (PTFE V-ring unit, PTFE packing, graphite packing, stainless steel bellows seal, EPDM lining).

• Variable: changeable trim.

• Minimal noise: multi-stage trim (optional).

• Safe: blow-out proof stem.

• Safe: shaft guided plug.

• Safe: two-ply bellows seal (optional).

• Long life: precision stem guiding.

• Precise: even better control accuracy (optimised 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 (optional pressure balancing in both cases)

Nominal diameter:

DN 15-250 / NPS 1“-8“

Nominal pressure:

PN 16-40 / ANSI Class 150-300

Actuators:

Electric or pneumatic

Body materials:

e.g. EN-JS1049, 1.0619+N, SA216WCB, 1.4581

Flow media:

e.g. hot water, steam, gas, refrigerant, brine, etc.

Sizes

DN 80 - 1200

Nominal pressure

PN 10 – 40, Class 150, Class 300

Temperature

-60°C up to +427°C

Face-to-face

DIN EN 558-1 series 13, ISO 5752 series 13, API 609 cat. B short pattern

Body material

1.0619+N, 1.4408, SA216 Grade WCB, SA351 Grade CF8M