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Related Pages

• Deublin Rotating Union Selection Chart
• Deublin Products
• Deublin-Sint
• Most common Deublin Products

Further Information

• Deublin Union Selection Criteria Form

Catalogues

Deublin Catalogue	Deublin Machine Tools Catalogue
Deublin Continuous Castings Catalogue	Deublin Installation, Repair & Lubrication Guide

Deublin water & hot oil unions

General Purpose Unions 55 Series Unions monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal - 3 vent holes forged brass housing stainless steel rotor (3/8" - 1") special options: threaded vent holes, low torque design

Seal Combinations

Carbon Graphite/Silicon CarbidesSeal Combination - E.LS. - Silicon Carbide/Silicon Carbide for
severe conditions (poor water quality)

Operating Data

Maximum Water Pressure
Model 55-555	750 PSI	50 bar
Model 655	600 PSI	41 bar
Maximum Saturated Steam Pressure	15 PSI	1 bar
Maximum Hot Oil Pressure	100 PSI	6.6 bar
Maximum Speed NPT Threads
Model 55-555	1,500 PSI	1,500 /min
Model 655	750 PSI	750 /min
Maximum Speed Straight Threads
Model 55-255	3,500 RPM	3,500 RPM
Model 355	3,000 RPM	3,000 RPM
Model 525-555	2,500 RPM	2,500 RPM
Model 655	750 RPM	750 RPM
Maximum Temperature	250	>250*F Consult Norman G. Clark

57 Series with Silicon Carbide Seals For Water Service monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal keyed rotor seal easy and quick replacement of sealingcomponents (rotor seal, floating seal) ball bearings lubricated for life - for poor water quality (E.L.S.) 3 vent holes forged brass housing stainless steel rotor (3/8" - 1") special options: threaded vent holes

Seal Combinations

Carbon Graphite/Hardened Tool Steel or Carbon Graphite/Ceramic

Operating Data

Maximum Water Pressure	150 PSI	10 bar
Maximum Speed NPT Threads
Model 57-557	1,500 PSI	1,500/min
Model 657	750 PSI	750 min
Maximum Speed Straight Threads
Model 57-257	3,500 RPM	3,500/min
Model 357	3,000 RPM	3,000/min
Model 527-557	2,500 RPM	2,500/min
Model 657	750 RPM	750/min
Maximum Temperature	200*F	>200*C Consult Norman G. Clark

755 series 2½" Field Repairable All Purpose Unions monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal 3 vent slots - cast iron housing steel rotor

Seal Combination

Standard - Carbon Graphite/Ceramic

E.LS. - Tungsten Carbide/Ceramic

Operating Data

Maximum Water Pressure	200 PSI	14 bar
Maximum Saturated Steam Pressure	15 PSI	1bar
Maximum Speed	750 RPM	750/min
Torque @ 120 PSI	4 ft.lbs.	5.4 Nm
Maximum Temperature	250*F	>250*F Consult Norman G. Clark

857 series 3" Union for Rubber and Plastic Application monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal full-media flow easy and quick replacement of sealing components (rotor seal, floating seal) vented housing cast iron housing steel rotor

seal combinationi

Seal Combination - Carbon Graphite/Tungsten Carbide

Operating Data

Maximum Water Pressure	150 PSI	10 bar
Maximum Saturated Steam Pressure	15 PSI	1 bar
Maximum Speed	500 RPM	500/min
Torque @ 150 PSI / 10bar	6 ft.lbs.	8.2 Nm
Maximum Water Temperature	250*F	>250*F Consult Norman G. Clark

54 series 3" Union for Rubber and Plastic Application monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal full-media flow easy and quick replacement of sealing components (rotor seal, floating seal) vented housing steel rotor

Seal Combination

Carbon Graphite/Tungsten Carbide

Operating data

Maximum Pressure & Maximum Speed		See Diagram
Maximum Speed NPT	1,500 RPM	1,500/min
Maximum Temperature	200*F	>200*F Consult Norman G. Clark

Model 927 High Pressure/ Low Torque Water Union monoflow design self-supported rotating union axial housing connection balanced mechanical seal slinger and vents protect bearings low torque design stainless steel housing and rotor

Seal combinations

Tungsten Carbide/Tungsten Carbide.

Operating data

Maximum Water Pressure	4,000 PSI	276 bar
Maximum Speed	2,000 RPM	2,000/min
Maximum Flow	4 GPM	15 L/min
Maximum Temperature	200*F	90*C

Model 22 Car Wash Union monoflow design self-supported rotating union radial housing connection stainless steel housing and rotor

Seal Combinations:
Silicon Carbide/Silicon Carbide

operating data

Maximum Water Pressure	4,000 PSI	276 bar
Maximum Speed	2,000 RPM	2,000/min
Maximum Flow	4 GPM	15 L/min
Maximum Temperature	200*F	90*C

6000 series - 2", 2½", 3"& 4" Cartridge Water Unions monoflow and duoflow design self-supported rotating union radial housing connection balanced mechanical seal steel banded floating seal easy and quick replacement of sealing components full-media flow vent slots cast iron housing steel rotor flanged/threaded

seal combinatioins

Standard - Carbon Graphite/Tungsten Carbide

E.L.S. - Silicon Carbide/Tungsten Carbide

Operating Data

Maximum Water Pressure	150 PSI	10 bar
Maximum Speed	750 RPM	750/min
Torque
Model 6200	4 ft.lbs.	5.4 Nm
Model 6250	7 ft.lbs.	9.5 Nm
Model 6300	8 ft.lbs.	10.9 Nm
Model 6400	10 ft.lbs.	13.6 Nm
Maximum Temperature	250*F	>250*F Consult Norman G. Clark

F Series 5" Water Union monoflow and duoflow design self-supported rotating union balanced mechanical seal two widely-spaced ball bearings labyrinth seal protects bearings nickel-plated cast iron housing high corrosion resistant steel flanged rotor on-the-machine seal replacement capability inlet/outlet flange: standard ANSI optional DIN, JIS special designs up to 12" available upon request

Seal Combination

Silicon Carbide/Silicon Carbide

Operating data

Maximum Water Pressure	230 PSII	16 bar
Maximum Speed	1,000 RPM	1,000/min
Maximum Temperature	250*F	>250*F Consult Norman G. Clark

2400 Series Rotating Union for Water Service at Continuous Casting Steel Plants monoflow and duoflow design in-the-shaft mounted rotating union flanged housing or mounted with retaining plate balanced mechanical seal brass housing and elbow stainless steel rotor and supply pipe long composite bearing full-media flow easily field repairable

Seal Combination

Silicon Carbide/Silicon Carbide

Operating data

Maximum Water Pressure	150 PSII	10 bar
Maximum Speed NPT	100 RPM	100/min
Maximum Temperature	250*F	>250*F Consult Norman G. Clark

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