德國(guó)進(jìn)口BURKERT膜片閥2033系列使用壽命長(zhǎng)

Orifice

DN08 to DN100

Body material

Stainless steel 1.4435 acc. to BN2 / ASME BPE

Fe < 0.5% / C ≤ 0.03%

Port connections

Weld end

• DIN EN ISO 1127 / ISO 4200 / DIN 11866 Series B

• DIN 11850 Series 2 / DIN 11866 Series A

• ASME BPE / DIN 11866 Series C

Clamp

• DIN 32676 Series A (DIN tube)

• DIN 32676 Series B (ISO tube)

• ASME BPE

Surface finish (others on request)

Ra ≤ 0,5 μm (ASME BPE SF1)

• inside mechanical polished

(external Ra ≤ 1.6 μm)

• inside electro polished

Ra ≤ 0,38 μm (ASME BPE SF4 / DIN HE4)

(external Ra ≤ 1.6 μm)

Diaphragm materials

EPDM (AB), PTFE/EPDM (EA)

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

on request

Actuator material

PPS (PA for actuator sizes ø 175/225 mm)

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

Actuator size < 100 mm

+5 to +140 °C

Actuator size ≥ 100 mm

+5 to +90 °C (briefl y up to +140 °C, -10 to +60 °C with PA actuator)

Control medium

Neutral gases, air

Pilot pressure max.

max. 7 bar, see table on page 2