Burkert Type 2731 - Manual (Page 18)

6.7 flow values and characteristics
Flow values and characteristics for Types 2730 / 2731 /
2731K you find on Internet.
6.8 general technical data
actuator sizes ø 80 mm, ø 100 mm, ø 125 mm
connections
Pilot air port
G1/4, stainless steel
Line connection
Type 2730
Socket and spigot
Type 2731 / 2731K Weld end: in accordance with EN ISO
1127 (ISO 4200), DIN 11850 R2
other connections on request
materials
Body
Type 2730
PVDF (PD), PP (PP), PVC (PV)
Type 2731 Stainless steel precision casting (VG)
1.4435 (AISI 316L),
Stainless steel forged steel (VS)
1.4435 (AISI 316L)
Type 2731K Stainless steel body (VA) cold-formed
1.4404 (316L)
Actuator PA, PPS
Sealing elements actuator FKM, NBR
Diaphragm EPDM in food quality,
PTFE/EPDM,
FKM
media
Control medium
Neutral gases, air
Quality classes in accordance with
DIN ISO 8573-1
Dust content Class 5: max. particle size 40 μm, max. particle
density 10 mg/m³
Water content Class 3: max. pressure dew point - 20 °C or
min. 10 °C below the lowest operating
temperature
Oil content Class 5: max. 25 mg/m³ with TopControl
maxi 1 mg/m³ with SideControl
Flow media
Type 2730
Liquids; aggressive or abrasive media
Type 2731 / 2731K Liquids; ultrapure, sterile, aggressive
or abrasive media
Viscosity up to viscous
installation position any position, preferably with the
actuator face up
protection class IP67 in accordance with
IEC 529 / EN 60529
18
Technicaldata
english
Type 2730 / 2731 / 2731K