Technical data

Orifice

DN 4 to 50

Body material

Cast stainless steel 316L / 1.4435

Actuator material

Actuator / Cover

PPS / Stainless steel 1.4561 (316Ti)

Diaphragm materials

EPDM (AB), PTFE/EPDM (EA)

EPDM (AD), advanced PTFE/EPDM (EU) and FKM (FF) on

request

Media

Neutral gases and liquids, high purity, sterile, aggressive

or abrasive fl uids

Viscosity

up to viscous

Surface finishes

(average surface fi nish)

internal mechanical polished

Ra ≤ 0.8 μm (external cast surface)

internal electro polished (on request)

Ra ≤ 0.6 μm (external cast surface electro polished)

Medium temperatures

EPDM (AB), PTFE/EPDM (EA)

-10 to +130 °C (steam sterilisation +140 °C for 60 min)

EPDM (AD), advanced PTFE/

-5 to +143 °C (steam sterilisation +150 °C for 60 min)

EPDM (EU)

FKM (FF)

0 to +130 °C (not recommended for steam)

Ambient temperature

+5 to +60 ºC

Control medium

Neutral gases, air

Max. pilot pressure

max. 10 bar, 7 bar with actuator size 130 mm