ASCO
ASCO™ 390 3-Way Pressure-Operated Valves
The ASCO Series 390, also known as 8390, are pressure-operated, remote-controlled valves with discs for industrial fluid media. Pressure operated valves use external air to operate the opening and closing of the valve. The signal air will create the deman
Features and Advantages

High flow capability

Back pressure resistant

Maintenance-free actuators

Satisfies Pressure Equipment Directive 2014/68/EU, category 1 (DN > 25) or article 4.3 (DN ≤ 25)


Specifications and Parameters

Valve Actuation:Pressure Operated, Pneumatic - Air Pilot

Body Material:Bronze

Media:Air, Inert Gas, Hot Water, Light Oil, Water, Steam

Pipe / Port Size:1/2 "; 3/4 "; 1 "; 1 1/4 "; 1 1/2 "; 2 "; DN25; DN32; DN40; DN50; DN65; 12 mm; 10 mm

Port Type:G ISO228/1-G BSPP, NPTF

Function:3/2 Normally Closed, 3/2 Normally Open

Flow:From 5.19 to 12 Kv, Over 12 kv

Max Differential / Max Operating Pressure:10.3-34.5 Bar, Vacuum to 10.3 Bar

Standards / Regulations:IEC 61508, SIL, ATEX, ISO, IEC 60529 (Ingress protection), IP66


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