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DA1 Pressure Reducing Regulator- Spring Operated

Tank Venting Cashco

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The DA1 is a high-performance, spring-operated, flow-to-open pressure reducing regulator. It features an internal pressure balancing piston-cylinder, offering high flow capacity and significant pressure drop capability. The design is versatile, making it suitable for a wide range of gaseous and liquid service applications. The DA1 regulator is particularly effective for clean fluids and is designed to handle various industrial gases, including GN2, GOX, Ar, He, H2, and CO2. It is also used as a utilities regulator for air, oil, water, and steam.

Specifications
Technical Data
Advantages
Industries
Applications
Contact

Specifications

Regulator Type: Spring-operated, flow-to-open pressure reducing regulator
Material Composition: Multiple material options available, providing Class IV or VI inboard leakage rates
Size Range: 1/2″ to 4″ (DN15 to 100)
Valve Type: Soft-seated valve with a high capacity
Design: Internal pressure balancing piston-cylinder with cage-contained internals
Fail-Safe: Fails open on loss of P1 or P2 pressures

Technical Data

Flow Capacity: High, with the ability to handle large pressure drops
Pressure Range: Broad range of pressure settings due to the internal trim design
Range Ability: Outstanding range ability, potentially as high as 1000:1, thanks to close tolerances and balanced trim
Guiding: Both top and bottom guided to maintain stability and increase diaphragm life
Leakage Rates: Class IV or VI inboard leakage rates depending on material selection
Service: Designed for clean gaseous or liquid services without excessive cavitation

Advantages

Versatility: Capable of handling a wide range of fluids, making it a “DO-ALL” regulator.
High Flow Capacity: Among the highest in the industry, allowing the use of smaller body sizes for many applications.
Stability: Pressure balancing and high sensitivity ensure unmatched stability and performance.
Easy Maintenance: Quick change trim with cage-contained internals for straightforward maintenance.
Durability: Increased diaphragm life due to top and bottom guiding.

Industries

Utilities: Used for regulating air, oil, water, and steam in various utility applications.
Industrial Gases: Suitable for atmospheric gases like GN2, GOX, Ar, He, H2, CO2.
Chemical Processing: Applicable in both corrosive and non-corrosive chemical services for gases or liquids.
Natural Gas: Functions as a natural gas regulator.
Cryogenic Services: Special variations are available for cryogenic gases.

Applications

General Pressure Control: Used in applications requiring precise pressure regulation for clean fluids.
Industrial Gas Regulation: Ideal for regulating industrial gases in atmospheric conditions.
Utilities Management: Applied in air, oil, water, and steam utility systems.
Chemical Services: Effective in both corrosive and non-corrosive environments for gas or liquid service.
Cryogenic Gas Handling: Suitable for handling cryogenic gases with special variations available.

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Michael Bradley (External) – Mob: 086 047 6178
Brendan Merrigan (External) – Mob: 087 2598124
Stephen White - Mob: 083 165 3830
Office Tel: 021 461 7200

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