Deublin Water and Hot Oil Rotary Unions

• Port connection thread sizes from 3/8” to 4”
• Rotors available with thread or flange connection
• Single or two passage designs
• Multiple seal combinations to accommodate various media and operating conditions
• Water pressure ratings up to 4,000 PSI
• Saturated steam pressure ratings up to 15 PSI (intermittent)
• Hot oil pressure ratings up to 100 PSI
• Temperature ratings up to 250°F
• Speed ratings up to 3,500 RPM
• Cartridge seal models available for easy and quick on-the-machine replacement of seal components
• Stainless steel models available for applications such as food, chemical, and pharmaceutical
• Special in-the-shaft mounted models for use in continuous casting applications

DEUBLIN
General Purpose
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
• Special options: threaded vent holes, low torque design

DEUBLIN
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 replacement of sealing components (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
• Special options: threaded vent holes

DEUBLIN
2.5" Field Repairable, All Purpose Unions

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Seal combinations: Carbon Graphite/Ceramic - standard Tungsten Carbide/Ceramic - E.L.S.
• 3 vent slots
• Cast iron housing - standard cast iron housing nickel-plated - optional
• Steel rotor

DEUBLIN
3" Union for Rubber and Plastic Application

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Seal combination: Carbon Graphite/Tungsten Carbide
• Full-media flow
• Easy and quick replacement of sealing components (rotor seal, floating seal)
• Vented housing
• Cast iron housing - standard
• Steel rotor

DEUBLIN
Stainless Steel Unions

• Monoflow and duoflow (available) design
• Self-supported rotating union
• Radial or axial (available) housing connection
• Seal combinations: Carbon Graphite/Ceramic - standard Tungsten Carbide/Ceramic - E.L.S.
• Wetted parts made of 316 stainless steel
• Suitable for the food, chemical & pharmaceutical industries
• Full-media flow

DEUBLIN
Model 927 High Pressure/Low Torque Water Union

• Monoflow design
• Self-supported rotating union
• Axial housing connection
• Balanced mechanical seal
• Seal combination: Tungsten Carbide/Tungsten Carbide
• Slinger and vents protect bearings
• Low torque design
• Stainless steel housing and rotor

DEUBLIN
Model 22 Car Wash Union

• Monoflow design
• Self-supported rotating union
• Radial housing connection
• Seal combination: Silicon Carbide/Silicon Carbide
• Stainless steel housing and rotor

DEUBLIN
2", 2.5", 3"& 4" Cartridge Water Unions

• Monoflow and duoflow design
• Self-supported rotating union
• Radial housing connection
• Balanced mechanical seal
• Seal combinations: Carbon Graphite/Tungsten Carbide - standard Silicon Carbide/Tungsten Carbide - E.L.S.
• Steel-banded floating seal
• Easy and quick replacement of sealing components
• Full-media flow
• Vent slots
• Cast iron housing
• Steel rotor flanged/threaded

DEUBLIN
F Series 5" Water Union

• Monoflow and duoflow design
• Self-supported rotating union
• Balanced mechanical seal
• Seal combination: Carbon Graphite/Ni-Resist
• Two widely-spaced ball bearings
• Labyrinth seal protects bearings
• 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

DEUBLIN
2400 Series Rotating Union

• Monoflow and duoflow design
• In-the-shaft mounted
• Self-supported rotating union
• Flanged housing or mounted with retaining plate
• Balanced mechanical seal
• Seal combination: Silicon Carbide/Silicon Carbide
• Brass housing and elbow
• Stainless steel rotor and supply pipe
• Engineered sleeve bearing
• Full-media flow
• Easily field repairable