DSF-9 4-Way Air Conditioner Reversing Valve – 3/8" Inlet x 1/2" Outlet, 3.0 m³/h Flow, R410A/R32/R22 Compatible

Product Description

The DSF-9 model is a high-efficiency 4-way reversing valve used in split air conditioner and heat pump systems. Thanks to its pilot valve mechanism it reliably switches the system between cooling and heating modes. With 3/8" inlet and 1/2" outlet connections, this compact valve is fully compatible with both new-generation environmentally friendly refrigerants and common conventional refrigerants such as R22.

Key Features

• Fast, safe switching between cooling and heating
• Can operate even at low loads with a minimum pressure differential of 0.3 MPa
• Efficient flow control with 3.0 m³/h flow capacity
• Compatible with R410A, R32, R22, R407C, R134a, R290 and R404A
• Holds CE, PED, LVD, UL and IECEx certificates

Technical Specifications

• Model: DSF-9
• Connections: Inlet: 3/8" – Outlet: 1/2"
• Flow Rate (Kv): 3.0 m³/h
• Nominal Capacity: 5.6 – 7.9 kW (approximately 19,100 – 27,000 BTU)
• Maximum Capacity (R22): 30,500 BTU (≈ 8.9 kW)
• Maximum Operating Pressure: 3.5 MPa
• Operating Temperature: Ambient: -30°C ~ +55°C | Fluid: -30°C ~ +135°C

Applications

• Split air conditioner outdoor units
• Heat pump systems running on R22 or environmentally friendly refrigerants
• Residential and light commercial HVAC applications

Compatible Refrigerants

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

Frequently Asked Questions

What does the DSF-9 4-way reversing valve do?

The DSF-9 is a 4-way reversing valve that switches between the cooling and heating modes in split air conditioner and heat pump systems. Thanks to its pilot valve mechanism it switches reliably even at low loads with a minimum pressure differential of 0.3 MPa.

Which refrigerants is the DSF-9 valve compatible with?

The DSF-9 is compatible with the refrigerants R410A, R32, R22, R407C, R134a, R290 and R404A. It can work with both new-generation environmentally friendly refrigerants and conventional refrigerants such as R22.

What are the connection sizes and flow rate of the DSF-9 valve?

The inlet connection of the DSF-9 is 3/8", the outlet connection is 1/2" and the flow capacity (Kv) is 3.0 m³/h. The maximum operating pressure is 3.5 MPa.

Which capacity of air conditioning systems is the DSF-9 suitable for?

The nominal capacity of the DSF-9 is 5.6 – 7.9 kW (approximately 19,100 – 27,000 BTU) and it reaches a maximum capacity of 30,500 BTU (≈ 8.9 kW) with R22. It is designed for split air conditioner outdoor units and residential and light commercial HVAC applications.

Can I buy regularly with an invoice as a service company/technician?

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 ordering; you can follow its status in the “Where Is My Shipment?” section.

Can I return or exchange the product?

Yes. Under 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 debit/credit card and Tosla, and take advantage of instalment/credit options through 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 through 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, Küçükçekmece / İstanbul.