Refrigeration Machinery Condensing Pressure Regulator 1/4. Schrader Valve for Pressure Testing

• Certification: ISO, CE, CCC
• Condition: New
• Adjustment Range: 5~17.5bar
• Factory Setting: 10bar
• Refrigerant: CFC, Hcfc, Hfc
• Material: Copper
• Trademark: OEM or OUYUCOOL
• Origin: China
• HS Code: 84143019
• Production Capacity: 1000/Month

Product Description

Product Description

 

The KVR+NRD pressure regulating system is used to maintain constant and sufficiently high condenser pressure and receiver pressure in refrigeration and air conditioning installations with air-cooled condensers.

KVR can be used with KVD type reservoir pressure regulator

Features

-Realize precise and variable pressure regulation
-Wide application refrigeration capacity and operating range
-Pulsation damping design
-Stainless steel bellows
-Compact angled design, easy to install in any location
-1/4.Schrader valve for pressure testing
-Provide bell mouth interface and outer diameter welding interface in a wide range of sizes
-"sealed" brazed structure
-Can be used for CFC, HCFC, HFC refrigerants

Technical Parameters

Adjustment range: 5~17.5bar Factory setting 10bar           Maximum medium temperature: KVR: 105ºC NRD: 130ºC
Maximum working pressure: KVR: BP=28bar NRD: BP=28bar          Minimum medium temperature: -40ºC
Maximum test pressure: KVR: p'=31bar NRD: p'=36bar
P band
KVR12~22:=6.2bar KCR28~35:=5bar
Opening pressure differential for NRD Start opening: Δp=1.4bar Full opening: Δp=3bar

TYPE

Nominal liquid load Δp=0.2bar        (evaporator load) kw

Hot gas load Δp=0.2bar                    (evaporator load) kw

Bell mouth connection

Product Code

Solder connection

Product Code

R22

R134a

R407A/R507

R4C7C

R22

R134a

R404A/R507

R407C

in.

mm

in.

mm

KVR12

50.4

47.3

36.6

54.4

13.2

11.6

12

14.3

1/2

12

034L0091

1/2

034L0093

12

034L0096

KVR15

5/8

16

034L0092

5/8

16

034L0097

KVR22

7/8

22

034L0094

KVR28

129

121

93.7

139.3

34.9

30.6

34.9

37.7

1⅛

034L0095

28

034L0099

KVR35

1⅜

35

034L0100

NRD

1/2

020-1132

12

020-1136

te=-10ºC      tc=+30ºC

KVR type regulator is supplied without bell nut

bell nut

1/2

12

011L1103

5/8

16

011L1167

When the gas flow velocity at the regulator inlet exceeds 40m/s, flow noise will occur. Therefore, the interface size of the regulator cannot be chosen too small.
 

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