Pneumatically operated 2/2 way diaphragm valve CLASSIC with stainless steel body
Type 2031 / Ident No. 348491
Product description
Pilot controlled diaphragm valve with pneumatically operated piston actuator and valve body from cold-formed stainless steel pipe. Actuator from PA or PPS.
- Commodity Codes
- 84818087
- Country
- DE
Technical attributes
Name |
Value |
Unit |
---|---|---|
Type | 2031 | |
Product sub-group | On/off valves | |
Main valve operating principle | Diaphragm valve | |
Valve piloting type | Pneumatic | |
Valve construction | Valve complete | |
Actuator version | Classic | |
Control function | A - normally closed (NC) | |
Valve function number of switching positions | 2 | |
Actuator size | 80 | mm |
Actuator material | PA (Polyamide) | |
Control air connection material | Stainless steel | |
Control air connection type | Internal thread | |
Control air connection thread type | G | |
Control air connection diameter (inch) | 1/4 inch | |
Control air connection position | 90° to direction of line | |
Control air hole diameter | 3 | mm |
O-ring between cover and bush | No | |
Position monitoring via magnetic piston | No | |
Valve function manual actuation | No | |
Additional manual actuation included | No | |
Body nominal size | 25 | mm |
Body nominal size (IN) | 1 inch | |
Diaphragm coupling | Bayonet | |
Diaphragm material | PTFE with EPDM support back | |
Fluidic port connection number | 2 | |
Valve body material category | Metals | |
Valve body material | Stainless steel | |
Valve raw body manufacture | cast | |
Manufacturer´s test certificate 3.1 included | Yes | |
Valve body surface treatment internal | mechanically polished | |
Valve body surface treatment external | untreated | |
Surface finish internal | RA 0,76 µm | |
Port connection 1 size DN | DN 25 | |
Port connection 1 type | Weld end | |
Port connection 1 pipe standards 1 | DIN 11850 R2 | |
Port connection 1 pipe standard 2 | DIN 11866 serie A | |
Port connection 1 inner diameter (mm) | 26 | mm |
Port connection 1 wall thickness (mm) | 1,5 | mm |
Port connection 1 outer diameter (mm) | 29 | mm |
Port connection 2 size DN | DN 25 | |
Port connection 2 type | Weld end | |
Port connection 2 pipe standards 1 | DIN 11850 R2 | |
Port connection 2 pipe standard 2 | DIN 11866 serie A | |
Port connection 2 inner diameter (mm) | 26 | mm |
Port connection 2 wall thickness (mm) | 1,5 | mm |
Port connection 2 outer diameter (mm) | 29 | mm |
Nominal pressure min | 0 | bar |
Nominal pressure max | 7,5 | bar |
Control pressure min | 5,5 | bar |
Control pressure max | 10 | bar |
Temperature environment min | -10 | °C |
Temperature environment max | 60 | °C |
Temperature medium min | -10 | °C |
Temperature medium max | 100 | °C |
Kv value (water) | 13,6 | m3/h |
Nominal pressure (DIN EN 1333) | PN 16 | |
Nominal Pressure (DIN EN 1759) | Class 150 | |
CIP capable | Yes | |
SIP capable | Yes | |
Piston seal material | NBR (Nitrile rubber) | |
Weight | 2,410000 | kg |