


ASCO E290B005 | Pressure Operated Valve | Valve Type 2-way Normally Closed
E290B005: EMERSON ASCO Series 290 Piston Valve with Angle Seat EMERSON ASCO's series E290 is a pressure-operated valve that is utilised in steam and hot water applications. The valves can manage high flow rates because of their angled seat design. The disc models' fluid entry has an anti-water hammer design. These valves are adaptable since they have a large range of completely rotatable piston operators from 32 to 125mm to help maximise performance at various minimum pilot pressures. Pressure Equipment Directive 97/23/EC is met by the valves.

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Diameter | Operator: 63 mm |
Flow Coefficient | KV: 157 l/min |
Flow Coefficient | KV: 9.4 m3/h |
Functions | 2/2 NC |
Orifice | Size: 20 mm |
Port | Connection: G3/4 |
Type | 2-way Normally Closed |
Working pressure max | 10 Bar |
Working pressure min. | 0 Bar |
- Vacuum operation up to 10-2 mbar; high flow because of the angled seat design; anti-waterhammer design (fluid entrance beneath the disc);
- A large selection of 360° rotating piston-type operators (32, 50, 63, 90, and 125 mm dia.) for optimal performance at various minimum pilot pressures
- An excellent, low-maintenance filling box
- The valves meet article 4.3 (DN ≤ 25) or category 1 (DN > 25) of the Pressure Equipment Directive 2014/68/EU.
- The valves are certified with integrity levels and comply with the 2010 route 2H version of the IEC 61508 Standard: For HFT = 0, SIL 2
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