ROTARY UNION R/RH

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ROTARY UNION R/RH > RH

The RH union is most frequently used with hot water or thermal oil for heating cilinders. It is available in single and dual passage versions with rotating or stationairy syphons. This will allow for inlet and outlet of the fluid to be on the same side of the machine.

The union can be threaded or is available with flanged connections. This depends on the application and local requirements of the application.

Johnson-Fluiten suppliers different seal materials, body materials, o-rings for the different applications. Also we supply ATEX certifications for our unions on request.

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WHICH ARE THE SEAL MATERIAL

HOW TO CHANGE THE SEAL?

Quick Select Chart

TYPE		MEDIA				Pressure (Max.)	Temperature (Max.)
TYPE		Water	Thermal Oil	Steam	Air	BAR	° C
3/8" to 2"	R					50	120
	RH					50	180
	RHB					25	400
2^1/2" to 6"	R					13	120
	RH					13	180
	RHB					12	400

Recommended

Acceptable

Materials:

SEAL CODE	SEAL MATERIALS	MEDIA	MAX TEMPERATURE
B3	Grafite - Silicio - Viton	WATER - AIR - DRY	120"
B4	Grafite - Silicio - Aflas	WATER - AIR - DRY - STEAM	180"
C3	Tungsteno - Silicio - Viton	DIRTY WATER	120"
C4	Tungsteno - Silicio - Aflas	DIRTY WATER	180"
T4	Bronzo - Silicio - Aflas	DIATHERMIC OIL	180"

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CHARACTERISTICS

Fluid	Pressure bar	Temperature °C	Speed RPM
Coolant	50	180	3000
Oil	50	180	3000

R - Series 3/8" - 2"

General Purpose Ball Bearing union
Size from 3/8" up to 2"
Single and Dual Flow configurations
2 seal configuration: B3 - Clean Fluids / C3 Abbrasive Fluids
On-machine repairable
Temperature up to 120°C (248°F)
Max pressure 50 Barg (725 psi)
Max RPM 3000

MANY CONFIGURATIONS SHIPPING IN 24 H!

R - Series 2-1/2" - 6"

General Purpose Ball Bearing union
Size from 2-1/2" up to 6"
Single and Dual Flow configurations
2 seal configuration: B3 - Clean Fluids / C3 Abbrasive Fluids
On-machine repairable
Temperature up to 120°C (248°F)
Max pressure 25 Barg (360 psi)
Max RPM 750

RH Series 3/8" - 2"

General Purpose Ball Bearing union
Size from 3/8" up to 2"
Single and Dual Flow configurations
Applicable for hot fluids like water (B4) and oil (T4)
Temperature up to 180°C (350°F)
Max pressure 50 Barg (725 psi)
Max RPM 3000

VARIOUS CONFIGURATIONS SHIPPING IN 24 H

REPAIR KIT JOINTS R/RH

The complete R line is featured with a Quick Replacement Design (QRD) which allow you to repair the union while it is still installed on the machine. It is enough to remove the blocking screws and separate the body to replace sealrings and orings. It is as well possible to quickly adapt the joint to fluids requiring different sealing materials.The repairkit includes stationary ring, rotating ring, O-ring gaskets and a set of springs.

SEAL CODE	SEAL MATERIALS	MEDIA	MAX TEMPERATURE
B3	Grafite - Silicio - Viton	WATER - AIR - DRY	120"
B4	Grafite - Silicio - Aflas	WATER - AIR - DRY - STEAM	180"
C3	Tungsteno - Silicio - Viton	DIRTY WATER	120"
C4	Tungsteno - Silicio - Aflas	DIRTY WATER	180"
T4	Bronzo - Silicio - Aflas	DIATHERMIC OIL	180"