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Danfoss : Evaporator pressure regulator : KVP22

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Model :
KVP22
Order Code : 
034L0025
Size Connection :
7/8" 
Cooling Capacity  (Tons) / (Kw)
R22 :
1.3 Tons /  2.57 kw
R134a :
0.9 Tons / 3.16 Kw
R404A / R507 :
1.2 Tons / 4.22 Kw
R407C :
1.2 Tons / 4.22. Kw

(1) The rated capacity is the regulator capacity at:
- evaporating temperature te = 4 °C,
- condensing temperature tc = 37 °C,


- Pressure drop across regulator: Offset ∆p  = 2 psig


Danfoss : Evaporator pressure regulator : KVP22

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  • Danfoss : Evaporator pressure regulator : KVP22

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KVP evaporator pressure regulator are mounted in
the suction line of refrigeration and air conditioning
systems.

They are used to maintain a constant pressure
corresponding to a constant temperature on the
evaporator.

They also protect against too low an evaporating
pressure by throttling down when pressure falls
below the set value.

They are also used to differentiate the evaporating
pressures in two or more evaporators in systems
with one compressor.

KVP Evaporator pressure regulator

• Accurate, adjustable pressure regulation

• Wide capacity and operating range

• Pulsation damping design

• Stainless steel bellows

• Compact angle design for easy installation in any

position

• ”Hermetic” brazed construction

• 1⁄4 in Schrader valve for pressure testing

• Available with flare or ODF solder connections

• Compliant with ATEX hazard zone 2

Type Flare connection  Code no. Solder connection ODF Rated capacity 1) [TR] Code no.
[in] [in] R22 R134a R404A/ R507 R407C
KVP 12 ½ 034L0021 ½ 1.3 0.9 1.2 1.2 034L0023
KVP 15 5/8 034L0022 5/8 1.3 0.9 1.2 1.2 034L0029
KVP 22 7/8 1.3 0.9 1.2 1.2 034L0025
KVP 28 1-1/8 2.8 1.9 2.4 2.6 034L0026
KVP 35 1-3/8 2.8 1.9 2.4 2.6 034L0032

Technical data
Refrigerants R22, R134a, R290*, R404A, R407A, R407C, R407F, R407H, R448A, R449A, R449B, R450A, R452A, R454A*, R454C*, R455A*, R507, R513A, R515B, R516A, R600*, R600a*, R1234ze(E)*, R1234yf*, R1270
Regulating range 0 – 80 psig
Factory setting = 25 psig
Maximum working pressure MWP = 260 psig
Maximum test pressure Pe = PS × 1.1 = 286 psig
Medium temperature range [°C] 10 To 129 °C
P-band (full valve stroke) KVP 12 – 22: 25 psi
KVP 28 – 35: 40 psi

Type Connection NV1 NV2 H1 H2 H3 B1 B2 C øD Net weight
Flare Solder ODF
[in] [in] [in] [in] [in] [in] [in] [in] [in] [in] [in] [lbs]
KVP 12 ½ ½ 0.748 0.748 7.047 3.898 2.598 2.520 1.614 0.394 1.181 0.9
KVP 15 5/8 5/8 0.945 0.945 7.047 3.898 2.598 2.520 1.614 0.472 1.181 0.9
KVP 22 7/8 0.945 0.945 7.047 3.898 2.598 2.520 1.614 0.669 1.181 0.9
KVP 28 1-1/8 0.945 0.945 10.197 5.945 4.055 4.134 1.890 0.787 1.693 2.0
KVP 35 1-3/8 10.197 5.945 4.055 4.134 1.890 0.984 1.693 2.0

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