Danfoss RA-N/HC, RLV-S/HC Data sheet

Data Sheet

Valve Set for Hydro Cable - Valve Body RA-N/HC
& Lockshield Valve RLV-S/HC

with self sealing tail piece

Application

RA-N/HC and RLV-S/HC,

radial

RA-N/HC radiator valve

All RA-N/HC valve bodies can be used to­gether with all types of thermostatic elements
with Danfoss RA connection in two-pipe
heating systems.

RA-N/HC valves are fitted with a kv limiting
device for presetting of max. water flow within
a range of 0.04 to 0.69 m3/h.

The valve bodies are supplied with a protec­tive cap which can be used for manual regula­tion during the construction phase. The pro­tective cap must not be used as a manual shut
off device. A special manual shut off device
(code no. 013G5002) should be used.
To be able to distinguish between other valve
bodies of the RA 2000 series the RA-N/HC
protective cap is red.

RA-N/HC has a connection for PEX 12 x 1.1 mm
and 16 x 1.5 mm hydro cable, both axial and
radial compression fittings are available. RA-N/
HC are also available with 1/2” conection.

RA-N/HC and RLV-S/HC,

axial

RLV-S/HC lockshield valve

RLV-S/HC is intended for mounting on the
outlet of the radiator.

Using RLV-S/HC each radiator can be shut off
individually to allow trouble-free maintenan­ce or repair without affecting other radiators
in the system.

RLV-S/HC is available in angle version with a
connection for PEX 12 x 1.1 mm and 16 x 1.5
mm hydro cable, both axial and radial com­pression fittings are available.

RLV-S/HC is also available with 1/2” connec­tion.

Default setting is fully open valve.
Dimensions correspond to DIN 3842-1.

In order to avoid deposition and corrosion
the composition of the hot water must be in
accordance with the VDI 2035 guideline
(Verein Deutscher Ingenieure).

Valve bodies are manufactured from brass
with nickel plating. The pressure pin of the
gland seal is of chrominium steel and works
in a lifetime lubricated O-ring. The complete
gland assembly can be replaced without drai­ning down the system.

Should water treatment be used it is essential
that dosing instructions of the manufacturer
are strictly observed. It is recommended that
formulations containing mineral oil are avoi­ded.

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Datasheet Valve Set for Hydro Cable - Valve Body RA-N/HC & Lockshield Valve RLV-S/HC

Principles

Closing and Opening RLV-S/HC

Use an 8 mm Allen key to close the RLV-S/HC
by turning it clockwise.
Open the RLV-S/HC by turning the Allen key
anti-clockwise. With 4 turns the valve will be
fully open.

Technical Data
and Ordering

Presetting
RA-N/HC &
RLV-S/HC

RA-N/HC UK 50
RLV-S/HC 45

RA-N/HC UK 50
RLV-S/HC 45

RA-N/HC UK 75
RLV-S/HC 75

RA-N/HC UK 75
RLV-S/HC 75

RA-N/HC UK 50
RLV-S/HC 45

RA-N/HC UK 75
RLV-S/HC 75

1) The kv-value indicates the water flow (Q) in m3/h at a pressure drop (Δp) across the valve of 1 bar; kv = Q: √Δp. The
kv-value is stated according to EN 215, at XP = 2K, i.e. the valve is closed at 2°C higher room temperature. At lower
settings the XP value is reduced to 0.5K. The kvs-value states the flow Q at a maximum lift, i.e. at fully open valve.

2) Kvs-value for RLV-S/HC: 1.26 m3/h

Design

1 2 3 4 5 6 7 N N

Radial 12mm

Radial 16mm 013G2291

Radial 12mm 013G2292

0.04 0.06 0.10 0.15 0.21 0.28 0.36 0.44 0.69

Radial 16mm 013G2293

Axial 12mm 013G2294

Axial 12mm 013G2295

kv-value¹⁾ Kvs ²⁾

Code No.

013G2290

Technical Data

Max. working pressure³⁾ 10 bar
Max. differential pressure 0.6 bar
Test pressure 16 bar
Max. working temperature 120 °C

3) Working pressure = static + differential pressure. The maximum differential pressure specified is the maximum
pressure at which the valves give satisfactory regulation. As with any device which imposes a pressure drop in the
system, noise may occur under certain flow/pressure conditions. To ensure quiet operation, maximum pressure drop
should not exceed 30 to 35 kPa. The differential pressure can be reduced by the use of the Danfoss differential pres­sure regulators.

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