Series ROB-H mechanical seals are designed for heavy duty service involving high pressure and sliding velocities. This seal has positive drive arrangement and sturdy construction making the seal suitable for high pressure application. Multiple spring design provides uniform face loading. The seal is supplied as a cartridge unit and can be directly bolted to stuffing box. These seals are normally used in main oil pipelines, water injection pumps and boiler feed water pumps.

Seal Characteristics

• Single Seal
• Balanced
• Independent of direction of rotation

Application

• Main Oil Pipeline
• Water Injection Pumps
• Boiler Feed Water Pumps

Performance Range

Shaft Diameter	dl	:	25...150mm
Pressure	p	:	80 bar (max)
Temperature	t	:	-20...2200C
Velocity	v	:	-20m/sec

Materials

Seal Faces	:	Carbon, SiC, Tung.- Carbide
Metal Parts	:	SS316, SS304, Hastelloy-C, Alloy 20
O-rings	:	Elastomers