angle seat valve
VZXA

Part number: 3539410

Modular, pneumatically actuated angle seat valve in stainless steel for demanding applications such as steam, hot water.


 
 
 

General operating conditions
Data sheet
Datasheet product reliability

 

Exemplary representation

Data sheet
Overall data sheet – Individual values depend upon your configuration.
 
 
 
Feature Value
Design structure Poppet valve with piston actuator
Poppet valve with diaphragm actuator
Type of actuation pneumatic
Assembly position Any
Mounting type Line installation
Line connection G½ threaded collar to DIN ISO 228
G¾ threaded collar to DIN ISO 228
G1 threaded collar to DIN ISO 228
G1¼ threaded collar to DIN ISO 228
G1½ threaded collar to DIN ISO 228
G2 threaded collar to DIN ISO 228
G2½ threaded collar to DIN ISO 228
NPT½ threaded collar to ANSI/ASME B 1.20.1
NPT¾ threaded collar to ANSI/ASME B 1.20.1
NPT1 threaded collar to ANSI/ASME B 1.20.1
NPT1¼ threaded collar to ANSI/ASME B 1.20.1
NPT1½ threaded collar to ANSI/ASME B 1.20.1
NPT2 threaded collar to ANSI/ASME B 1.20.1
NPT2½ threaded collar to ANSI/ASME B 1.20.1
RC½ threaded collar to DIN 10226
RC¾ threaded collar to DIN 10226
RC1 threaded collar to DIN 10226
RC1¼ threaded collar to DIN 10226
RC1½ threaded collar to DIN 10226
RC2 threaded collar to DIN 10226
RC2½ threaded collar to DIN 10226
Valve function 2/2
Flow direction non reversible
Medium pressure 0 ... 30 bar
Type of reset mechanical spring
Type of piloting With external control
Pneumatic connection Female thread G1/8
Flow direction Above valve seat, for gaseous media
Below valve seat, for gaseous and liquid media
Control of the medium On/off operation
Operating medium Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Max. viscosity 600 mm2/s
Medium temperature -10 ... 180 °C
Ambient temperature 0 ... 60 °C
Materials note Contains PWIS substances
Conforms to RoHS
Material process valve housing Stainless steel casting
Material spindle seal PTFE
Material seat seal PTFE
ATEX category Gas II 2G
Explosion ignition protection type Gas c T6...T3 X
ATEX category Dust II 2D
Explosion ignition protection type Dust c T80°C ... T200°C X
Explosion-proof ambient temperature 0°C <= Ta <= +60°C
Safety Integrity Level (SIL) SIL 2
CE mark (see declaration of conformity) to EU directive explosion protection (ATEX)
to EU directive for machinery
Certificate issuing department TÜV 968/V 1039.00/18
Probability of Failure per Hour in [1/h]. 1.36 * 10-07
PFD (Probability of Failure on Demand) 5.95 * 10-04
Corrosion resistance classification CRC 3 - High corrosion stress
Actuator size 46 ... 90 mm
Stroke 17 ... 26 mm
Control function Closed via reduced spring force, NC
double-acting
Opened via spring force, NO
Closed via spring force, NC
Position detection With mechanical indicator
Material drive housing Stainless steel casting
Material number, actuator housing 1.4408
Storage temperature -10 ... 60 °C
Protection class IP65
IP67
IP69K
Material piston rod High alloy steel, non-corrosive
Material cover Stainless steel casting