Danfoss 034G4203 7/8″ x 7/8″ ODF Straight Electronic Expansion Valve

Description

Danfoss 034G4203 Electronic Expansion Valve — Straight, 7/8″ x 7/8″ ODF

The Danfoss 034G4203 is a straight-body Electronic Expansion Valve (EXV) designed for precise, electronically controlled refrigerant flow management in commercial and industrial refrigeration and HVAC systems. Engineered to Danfoss’s exacting quality standards, this EXV delivers superior modulation accuracy, enabling tighter superheat control and improved system efficiency compared to traditional thermostatic expansion valves.

Key Features

• Straight valve body configuration for straightforward inline installation
• 7/8″ ODF inlet and 7/8″ ODF outlet sweat connections for secure, leak-free brazing
• Electronic stepper motor actuation for precise, stepwise refrigerant flow control
• Enables tight superheat regulation, improving system efficiency and compressor protection
• Compatible with a wide range of refrigerants used in commercial refrigeration and HVAC applications
• Robust construction built to Danfoss quality and reliability standards
• Designed for integration with Danfoss electronic controllers and compatible control systems

Application

The Danfoss 034G4203 EXV is well-suited for commercial refrigeration systems, heat pumps, chillers, and precision air conditioning applications where electronically modulated refrigerant flow is required. Its straight body design simplifies installation in systems where inline valve placement is preferred.

Product Specifications

• Brand: Danfoss
• Part Number / SKU: 034G4203
• Valve Type: Electronic Expansion Valve (EXV)
• Body Style: Straight
• Inlet Connection: 7/8″ ODF (Outside Diameter Fitting)
• Outlet Connection: 7/8″ ODF (Outside Diameter Fitting)
• Connection Type: Sweat / Braze

Why Choose Danfoss EXV Technology?

Danfoss is a global leader in refrigeration and HVAC controls, and their Electronic Expansion Valve lineup represents the pinnacle of flow control technology. EXVs offer significant advantages over conventional TXVs, including faster response times, remote adjustability, compatibility with modern electronic controllers, and the ability to optimize performance across a wide range of operating conditions — resulting in energy savings and extended equipment life.