Omega Seals

Series 80

Single Passage Air / Hydraulic Rotary Unions

Threaded Rotor supported on combination of deep-grove ball bearing and bush bearing.
Hard Chrome plated Alloy Steel Rotor
Anodized Aluminum housing
Special Rubber seals
Suitable for hydraulic brakes and air actuators

Series 80

Size Range

1/8” NPT / BSP to ¾” NPT / BSP

Flanged variants available on request.

Operating Parameters

Media	Pressure	Temperature	Rotational Speed
Hydraulic oil	200 bar	70°C	200 rpm
Air	10 bar	70°C	20 rpm
Vacuum	710 mm Hg.	70°C	20 rpm

Series 81

Dual Passage Air / Hydraulic Rotary Unions

Threaded Rotor supported on combination of deep-grove ball bearing and bush bearing.
Hard Chrome plated Alloy Steel Rotor
Dual flow pattern within the Rotor.
Anodized Aluminum housing
Special Rubber seals
Suitable for hydraulic and pneumatic duty

Series 81

Size Range

2 X 1/8” NPT / BSP to 2 X ¾” NPT / BSP

Flanged variants available on request.

Operating Parameters

Media	Pressure	Temperature	Rotational Speed
Hydraulic oil	200 bar	70°C	200 rpm
Air	10 bar	70°C	20 rpm
Vacuum	710 mm hg.	70°C	20 rpm

Series 82

Four Passage Air / Hydraulic Rotary Unions

Flanged Rotor, supported on combination of deep-grove ball bearing and bush bearing.
Hard Chrome plated Stainless Steel Rotor
Four-pass flow pattern within the Rotor.
Anodized Aluminum / Steel housing
Special Rubber seals
Suitable for combination of hydraulic and pneumatic duties.

Series 82

Size Range

Inlet Ports	4 X 1/8” NPT / BSP to 4 X 1/2” NPT / BSP
Rotor	Flanged Rotor

Operating Parameters

Media	Pressure	Temperature	Rotational Speed
Hydraulic oil	100 bar	70°C	250 rpm
Air	10 bar	70°C	20 rpm
Vacuum	710 mm hg.	70°C	20 rpm

Series 83

Eight Passage Air / Hydraulic Rotary Unions

Flanged Rotor, supported on combination of deep-grove ball bearing and bush bearing.
Hard Chrome plated Stainless Steel Rotor
Eight-pass flow pattern within the Rotor.
Anodized Aluminum / steel housing
Special Rubber sealse
Suitable for combination of hydraulic and pneumatic duties

Series 83

Size Range

Inlet Ports	8 X 1/8” NPT / BSP to 8 X 1/2” NPT / BSP
Rotor	Flanged Rotor

Operating Parameters

Media	Pressure	Temperature	Rotational Speed
Hydraulic oil	100 bar	70°C	250 rpm
Air	10 bar	70°C	100 rpm
Vacuum	710 mm hg.	70°C	100 rpm