德国进口BURKERT膜片阀441477发票随货

Port Connection

DN 4-50

Body material

Cast stainless steel 316 L/1.4435

Actuator material

PPS (PA polyamide on request)

Pilot air ports

Stainless steel 1.4305

Diaphragm materials

EPDM (AB), PTFE/EPDM (EA)

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

on request

Medium

Neutral gases and liquids, high purity, sterile, aggressive

or abrasive fl uids

Viscosity

up to viscous

Surface finish

(average surface fi nish)

internal mechanical polished

Ra ≤ 0.8 μm

(external cast surface)

internal electro polished

Ra ≤ 0.6 μm

(external cast surface electro

polished) (more on request)

Media temperature

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

Actuator size < 100

+5 to +140 °C

Actuator size ≥ 100

+5 to +90 °C Briefl y up to +140 °C