ARI Bellow sealed valve Type 2511 series 35.146 steel/stainless steel plug with marginal seat pneumatic FA250 spring closing closing pressure 11.1 bar PN40 DN50
- ERIKS:13453624
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1.929,00 €/ pieceexcl. VAT
2.334,09 €incl. VAT
Estimated delivery date - 29.10.2026Live Order Tracking
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Brand | ARI |
Series | 35.146 |
Type | 2511 |
Function | Two-way valve |
Norm | EN (DIN) |
Construction type | Straight |
Housing material | Steel |
Material quality | 1.0619+N |
Process connection | Flange |
Size process connection | DN50 |
Connection size | DN50 |
Standard connection | EN 1092-1 |
Pressure rating | PN40 |
Flange finish | Raised face |
Face to Face norm | EN 558, Series 1 |
Face to Face length | 230 mm |
Type of disc | Plug with marginal seat |
Kv value | 42.5 m³/h |
Closing pressure | 11.1 bar |
Actuation | Pressure below the valve |
Actuator | FA250 |
Type of actuator | Pneumatic membrane |
Type of drive | Single acting |
Function actuator | Spring closing |
Diaphragm area | 250 cm² |
Pilot pressure | 4,5 - 6 bar |
Connection operation | 1/4" (8) internal thread (BSPP) |
End contacts | No |
Position indicator | Yes |
Emergency manual operation | No |
Stem seal type | Bellows |
Primary spindle seal material | 1.4571 |
Secondary spindle seal material | Graphite |
Material disc | 1.4021+QT |
Seat material | 1.4551 |
Spindle material | 1.4571 |
Bellows material | 1.4571 |
Material bonnet | 1.0619+N |
Bonnet gasket material | Graphite |
Surface protection | Paint min. 30 µm |
Actuator material | Steel |
Explosion-proof | No |
Medium temperature | from -40 to 250 °C |