BURKERT Globe valve Type 31098 series 2012 stainless steel/PTFE entry below the valve pneumatic type E63 spring closing explosion-proof PN25 DN20
- ERIKS:12036230
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Brand | BURKERT |
Series | 2012 |
Type | 31098 |
Function | Two-way valve |
Norm | EN (DIN) |
Construction type | Straight |
Housing material | Stainless steel |
Material quality | 1.4404 |
Process connection | Flange |
Size process connection | DN20 |
Connection size | DN20 |
Standard connection | EN 1092-1 |
Pressure rating | PN25 |
Flange finish | Raised face |
Face to Face norm | EN 558, Series 1 |
Face to Face length | 150 mm |
Type of disc | Fixed disc |
Kv value | 8.1 m³/h |
Closing pressure | 16 bar |
Actuation | Pressure below the valve |
Actuator | E63 |
Type of actuator | Pneumatic piston |
Type of drive | Single acting |
Function actuator | Spring closing |
Diameter pneumatic actuator | 63 |
Pilot pressure | 4.5 - 10 bar |
Connection operation | 1/4" (8) internal thread (BSPP) |
End contacts | None |
Position indicator | Yes |
Stem seal type | Roof cuffs |
Primary spindle seal material | PTFE |
Material disk sealing | PTFE |
Material disc | 1.4401 |
Seat material | Stainless steel 316 Ti (1.4571) |
Spindle material | 1.4401 |
Material bonnet | 1.4401 |
Bonnet gasket material | PTFE |
Actuator material | PA |
Explosion-proof | Yes |
Explosion-proof | Ex h |
Ex-class | II 2G Ex h IIC T4 Gb / II 2D Ex h IIIC T135 °C Db |
ATEX Zone | Zone 1 / 21 |
Max. viscosity | 600 mm²/s |
Medium temperature | from -10 to 185 °C |
Ambient temperature | from -10 to 55 °C |
DN | DN20 |
Actuator | E63 |
A | 105 mm |
c | 1/4" BSP |
ØD | 80 mm |
H | 248 mm |
L | 150 mm |