Dunan DSF-50 4-Way Air Conditioner Reversing Valve – 7/8" Inlet x 1 1/8" Outlet, 13.9 m³/h Flow, R410A/R32/R22 Compatible

Product Description

The Dunan DSF-50 model is an industrial-grade 4-way reversing valve that switches between heating and cooling modes in high-capacity air conditioning and heat pump systems. Thanks to its 7/8" inlet and 1 1/8" outlet connection sizes, it integrates seamlessly into systems with large tube diameters. Meeting high flow demands with its 13.9 m³/h flow capacity, the DSF-50 can reach up to 170,000 BTU cooling/heating capacity when operating with R22.

Key Features

• Powerful flow management with 13.9 m³/h flow capacity
• Wide refrigerant compatibility: R410A, R32, R22, R407C, R134a, R290, R404A
• High capacity: 170,000 BTU (≈ 49.8 kW) with R22
• Minimum operating pressure difference: 0.3 MPa
• Fluid temperature range: -30°C ~ +135°C
• Full safety with CE, PED, UL and IECEx certifications

Technical Specifications

• Model: DSF-50-2261
• Part Code: 240050011400
• Connections: Inlet: 7/8" – Outlet: 1 1/8"
• Flow (Kv): 13.9 m³/h
• Nominal Capacity (R410A): 45.6 – 64.5 kW
• Maximum Capacity (R22): 170,000 BTU ≈ 49.8 kW
• Maximum Operating Pressure: 3.5 MPa
• Minimum Pressure Difference: 0.3 MPa

Compatible Refrigerants

R410A, R32, R22, R407C, R134a, R290, R404A

Applications

• High-capacity split air conditioner outdoor units
• Commercial and industrial heat pump applications
• Large-volume HVAC projects

Frequently Asked Questions

What does the Dunan DSF-50 4-way valve do?

The DSF-50 is an industrial-grade 4-way reversing valve that switches between heating and cooling modes in high-capacity air conditioning and heat pump systems. It is used in systems with large tube diameters and in large-volume HVAC projects.

What are the original (OEM) part codes of the DSF-50 valve?

The equivalent/original codes of this product are 240050011400 and DSF-50-2261. You can verify by matching the code on the label of the valve you are replacing.

What are the connection sizes and flow of the DSF-50 valve?

The inlet connection is 7/8" and the outlet connection is 1 1/8", with a flow capacity (Kv) of 13.9 m³/h. The maximum operating pressure is 3.5 MPa and the minimum pressure difference is 0.3 MPa.

Which refrigerants does the DSF-50 work with and what is its capacity?

The DSF-50 is compatible with R410A, R32, R22, R407C, R134a, R290 and R404A. Its nominal capacity with R410A is 45.6 – 64.5 kW and it reaches up to 170,000 BTU (≈ 49.8 kW) capacity with R22.

As a service company/technician, can I make invoiced and regular purchases?

Yes, all our sales are invoiced. All orders, including those from service companies and technicians, are placed directly through our website.

How do I track my shipment after ordering?

Your shipment tracking number is sent to your e-mail and phone after the order; you can track its status in the “Where Is My Package?” section.

Can I return or exchange the product?

Yes. Under the Consumer Protection Law No. 6502, you have the right of withdrawal/return within 14 days of delivery. To avoid ordering the wrong model, we recommend that you verify compatibility before ordering. Details are on our “Delivery, Returns and Exchanges” page.

What payment and instalment options are available?

You can pay by bank/credit card and Tosla, and take advantage of instalment/credit options via Fibabanka and Akbank. Current options are listed on our “Payment Options” page.

Where is Yedepa located and how is delivery made?

Yedepa is an e-commerce site; orders are placed via yedepa.com and shipped to your address by courier from our warehouses across Turkey and from our contracted suppliers. Our head office is at Cennet Mah. 2. Yavuz Selim Cad. No:68/A, Kucukcekmece / Istanbul.