Burkert Type 2731 - Manual (Page 10)

6 Technical DaTa
Warning!
risk of injury from high pressure!
Important device-specific technical specifications are indicated on
the type label.
▶ Observe permitted pressure range on the type label of the device.
6.1 conformity
In accordance with the EC Declaration of conformity, the diaphragm
control valve Type 2730 / 2731 / 2731K is compliant with the EC
Directives.
6.2 standards
The applied standards, which verify conformity with the EC Directives,
can be found on the EC-Type Examination Certificate and / or the EC
Declaration of Conformity.
6.3 approvals
The product is authorized for use in Zone 1 and 21 according to the
ATEX directive 94/9/EC of category 2 G/D.
Follow instructions for use in the Ex area!
See chapter “3.1”
.
6.4 Type label
2731 A 25,0 EPDM VA
D29 Pmed 10 bar
Pilot 5,5-7 bar
00148320 Made in Germany W14UN
Identification number
Control function
Sealing material Type
Orifice (diaphragm size)
Date of manufacture
Line connection /
Permitted medium pressure
Body material
Permitted pilot pressure
Fig. 4: Type label (example)
6.5 labeling of the forged bodies
XXXXXXXXXX
XX F
1.4435/316L(VS)
PN16/CWP150
XXXXXXXX/XXX
XXXXXX
XXXX Surface quality code
Customer-specific text
(optional)
Orifice connection and
pipe dimension
Batch number
Material
Production number /
serial number
Nominal pressure
Fig. 5: Labeling of the forged bodies
10
Technicaldata
english
Type 2730 / 2731 / 2731K