Pressure & Level Regulation

Danfoss SV 4/5/6 Float Valves

Danfoss Authorized Distributor (China) Wenzhou Phonetoo is an authorized Danfoss distributor in China — listed in the official Danfoss dealer directory.

Danfoss SV 4/5/6 Float Valves for industrial refrigeration systems, supplied by Wenzhou Phonetoo Electromechanical Co., Ltd. — an authorized Danfoss distributor in China. Contact us for availability, pricing and delivery time.

SV 4 float valves are the compact variant of the SV range for smaller vessels and pilot duties. Same reliable float principle in a space-saving envelope.

Full specifications available on request. Tell us your refrigerant, operating conditions and required capacity or connection sizes in the RFQ form and we will confirm the exact Danfoss model and code number for your application.

Code numbers

Ordering codes for Danfoss SV 4, SV 5 and SV 6 float valves, including special orifices and spare parts. The code numbers stated apply to float valves with two 1” weld connections for balance tubes and two ½” weld joints for liquid and evaporator connections respectively. Confirm the exact type and code number in your RFQ and we will quote it.

Float valves

Valve typeOrifice diameterCode no.Code no. without housing (1)R717R22R134aR404A
SV 4∅ 3.0 mm027B2024027B20141022116.415.4
SV 5∅ 3.5 mm027B2025027B201513828.622.321
SV 6∅ 4.0 mm027B2026027B201618638.329.928.1

(1) Flange for mounting without housing, code no. 027B2027. Rated capacity in kW; the rated capacity refers to the valve capacity at evaporating temperature te = +5 °C, condensing temp. tc = +32 °C and liquid temperature tl = +28 °C.

Special orifices for SV 4 - SV 6

Orifice diameterkvR717 at ΔP 4 barR717 at ΔP 7 barR717 at ΔP 10 barR22 at ΔP 4 barR22 at ΔP 7 barR22 at ΔP 10 barCode no. (1)
∅ 1.0 mm0.02691213.51.62.22.4027B2080
∅ 1.5 mm0.062127293.84.95.2027B2081
∅ 2.0 mm0.13546506.38.39027B2082
∅ 2.5 mm0.16567081101315027B2083
∅ 2.8 mm0.27087.5101121618027B2084

(1) The code no. includes orifice and all necessary gaskets. Capacities at -10 °C evaporating temperature at pressure drop across valve ΔP bar.

Spare parts and accessories

DescriptionCode no.
Flange for mounting without housing027B2027
Seal kit027B2070