ALTERNATIVE GAS — PRODUCT FAMILY

Couplings & Valves for Alternative Gas (C4/CA)

Secure, Emission-Free Connections for Next-Generation Gas Systems

DILO Company, Inc. offers precision-engineered gas couplings and valves designed specifically for C4-FN and CO₂-based (CA) gas mixtures. These components enable safe, leak-tight connections across gas handling systems—supporting emission-free operation in both service and production environments.

Built on decades of proven connection technology, DILO solutions are adapted for SF₆-free applications, ensuring compatibility, safety, and performance when working with alternative insulating gases.

Zero emissions. Proven performance.

Product Catalog

At a glance

Secure Connections for C4/CA Gas Systems

DILO couplings and valves are designed specifically for alternative gas mixtures and help prevent emissions, contamination, and incorrect connections.

Connect service carts, storage systems, and gas-insulated equipment
Maintain pressure-tight and vacuum-tight seals
Prevent emissions during connection and disconnection
Use gas-specific threads to prevent incorrect connections
Reduce cross-contamination between gas types
Withstand frequent connection cycles
Support filling, evacuation, recovery, and maintenance
Select materials suitable for indoor and outdoor applications

DILO Couplings for C4/CA Gas Mixtures

View Product Details

Safe, Standardized Connections for Alternative Gas Handling

DILO gas couplings are engineered to provide secure, self-sealing connections for alternative gas systems. Designed for compatibility with C4/CA gas mixtures, these couplings ensure leak-tight performance during both connection and disconnection.

Key Features

Self-closing coupling system (DN8 and DN20)
Pressure- and vacuum-tight during connection and disconnection
Leak rate ≤ 1 × 10⁻⁸ mbar·l/s
Maintains tightness even with frequent use
Direct connection to DILO service carts (no adapters required)
Gas-specific threading to prevent incorrect connections
Available in multiple materials for indoor and outdoor applications

Valves for Alternative Gas Systems

View Product Details

Reliable Flow Control for Emission-Free Operation

DILO gas valves are designed to support safe and controlled gas flow within C4/CA systems. Built for durability and precision, they ensure consistent performance across filling, evacuation, and recovery processes. DILO gas couplings and valves are designed for direct use with DILO service carts, enabling fast, secure, and emission-free connections during gas handling operations.

Key Features

Engineered for alternative gas compatibility
High sealing performance for emission-free operation
Durable construction for repeated use
Supports integration across complete gas handling systems

WCD- Alt Gas Valves & Couplings- 1400 x 400 px

DILO ADVANTAGE

Why Choose DILO for Alternative Gas Connections?

DILO connection technology is trusted worldwide for its precision, durability, and ability to support emission-free gas handling—now fully adapted for SF₆-free systems.

Purpose-built for C4-FN and CO₂-based gas mixtures
Proven leak-tight performance in critical applications
Designed to prevent incorrect or unsafe connections
Seamless integration across DILO gas handling systems
Trusted by utilities, OEMs, and service providers globally

GET IN TOUCH

Need Help Selecting the Right Connection System?

Choosing the right gas couplings and valves is critical to ensuring safe, efficient, and emission-free gas handling. DILO works closely with customers to recommend the best configuration for their application.

Contact DILO Company, Inc. to build your complete alternative gas handling system.