12
Structure and Function
6.4 General Technical Data
Materials
Body
Type 2030 PP, PVC, PVDF
Type 2031 Stainless steel precision casting (VG),
Forged steel (VS)
Type 2031 K Stainless steel tubular body (VA)
Type 2032, 2033, 2037 Stainless steel - block material
Actuator PA
Sealing elements actuator NBR
Diaphragm EPDM, PTFE, FKM
Connections
Control air connection G1/4
Medium connection Welded connection: in accordance with
DIN EN 1127 (ISO 4200), DIN 11850 R2
other connections on request
Media
Control medium neutral gases, air
Flow media Type 2030:
contaminated and aggressive media
Type 2031, 2032, 2033 and 2037:
contaminated, aggressive, ultra-pure, sterile
media and media with higher viscosity
Installation position any position, preferably with the actuator
face up,
Tank bottom valve Type 2033: Actuator to
the bottom
7 STRUCTURE AND FUNCTION
7.1 Structure
7.1.1 2/2-way valve type 2030, 2031 and
2031 K
The piston-controlled diaphragm valve consists of a pneumatically
actuated piston actuator and a 2/2-way valve body.
Transparent cap with
position indicator
Actuator body with cover
Upper control air connection
(for CFB and CFI)
Lower control air connection
(for CFA and CFI)
Diaphragm socket
Diaphragm body
Port connection
Fig. 8: Structure and description type 2030
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037