Data sheet
Receiver pressure regulator
Type KVD
KVD is a modulating receiver pressure regulator.
It opens on falling receiver pressure and bypasses
hot gas to maintain the receiver pressure at the
regulator setting (adjustable).
KVD and KVR form a regulating system, used to
maintain constant and adequately high condensing
and receiver pressure in systems with heat-recovery,
and in refrigeration and air conditioning systems
with air-cooled condensers.
Features • Accurate, adjustable pressure regulation
• Wide operating range
• Pulsation damping design
• Stainless steel bellows
• Compact angle design for easy installation in any
position
© Danfoss | DCS (rm) | 2020.07
• “Hermetic” brazed construction
• 1⁄4 in. access valve for pressure testing
• Available with flare and ODF solder connections
• May be used in the following EX range:
Category 3 (Zone 2)
AI218086428088en(US)-001001 | 1
Data sheet | Receiver pressure regulator, type KVD
Approvals
Technical data
Metric conversions
1 psi = 0.07 bar
5
⁄9 (t1 °F -32) = t2 °C
1 in = 25.4 mm
Ordering
UL US LISTED, file SA7200
EAN
Refrigerants
Regulating range 44 – 290 psig
Factory setting 145 psig
Maximum working pressure MWP 406 psig
Maximum test pressure Pe = 450 psig
Medium temperature range [°F] -49 – 266 °F
This product is approved for R290, R454A, R454C,
R455A, R600, R600a, R1234ze(E), R1234yf, R1270
by ignition source assessment in accordance with
standard EN ISO80079-36. Flare connections are
only approved for A1 and A2L refrigerants.
Type
KVD 12
KVD 15
1
) KVD supplied without flare nuts. Separate flare nuts can be supplied:
1⁄2 in., code no 011L1103
Flare connection 1) Solder connection
[in] Code no. [in] Code no.
1
⁄2 034L0171
5
⁄8 034L0172
R22, R134a, R290, R404A, R407A, R407C, R407F, R407H, R448A,
R449A, R449B, R450A, R452A, R454A, R454C, R455A, R507A, R513A,
R515B, R516A, R600, R600a, R1234ze(E), R1234yf, R1270
For complete list of approved refrigerants, visit
www.products.danfoss.com and search for
individual code numbers, where refrigerants are
listed as part of technical data.
The size of connection must not be chosen too
small since gas velocities of more than 130 ft / s in
the inlet can cause flow noise.
1
⁄2 034L0173
5
⁄8 034L0177
Design / Function
1. Protective cap
2. Gasket
3. Setting screw
4. Main spring
5. Valve body
6. Equalization bellows
7. Valve plate
8. Valve seat
9. Damping device
10. Pressure gauge connection
11. Cap
12. Gasket
KVD
The receiver pressure regulator type KVD opens on
a fall in pressure on the outlet side, i.e. when the
receiver pressure falls below the set value.
This bellows has an effective area corresponding
to that of the valve seat neutralizing any affect to
the setting.
Metric conversions
1 psi = 0.07 bar
5
⁄9 (t1 °F -32) = t2 °C
1 in. = 25.4 mm
1 US gal / min = 0.86 m3 / h
© Danfoss | DCS (rm) | 2020.07
Type KVD regulates on outlet pressure only.
Pressure variations on the inlet side of the regulator
do not affect the degree of opening as the valve is
equipped with an equalization bellows (6).
The regulator is also equipped with a damping
device (9) providing protection against pulsations
which can normally arise in a refrigeration system.
The damping device helps to ensure long life
for the regulator without impairing regulation
accuracy.
AI218086428088en(US)-001001 | 2
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