ASCO
ASCO™ 330A Volume Booster Valves
The ASCO Series 330A Volume Boosters are flexible, robust, and highly reliable boosters designed to improve the pneumatic performance of both on/off and control valves. Available in sizes from 1/2 to 2 inches, the booster range offers a great deal of flex
Features and Advantages

Large flow capacity, up to Cv/Kv 49/57, provides faster response times on large actuators

Suitable for both on/off and (Partial Stroke) control applications

Using dedicated advanced seal temperatures from -60°C to + 90°C

Exida certified SIL 3 capable

NAMUR pattern integrated for direct mount of the solenoid valve

Integrated mounting holes

Optional inlet filter avoids dirt ingress even without Filter Regulator (can be used on control circuit only)

Optional protective cap prevents unauthorized field adjustment

Certified for ATEX/IECEx and CUTR and IP66/67

External NACE compliant for the stainless-steel types


Specifications and Parameters

KV/CV:1/2": 4.0/4.6, 1":11/12.7, 1 1/2": 41/47, 2": 49/57

Temperature Range:-60°C to + 90°C ambient

Material:Anodized aluminum or 316L stainless steel

Control Ratio:1 : 1

Pipe Size:1/2"; 1"; 1 1/2"; 2" ANPT and BSP/ISO 228/1


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