Series Hy201 is unbalanced single acting helical coil spring seals independent o1 direction of rotation. The drive ring's notch design eliminates over stressing of the elastomer bellows. Slippages are eliminated, protecting the shaft and sleeve from fretting. Seal can be repaired in field with minimum spares, minimizing the downtime cost.

Seal Characteristics

• Single Seal
• Unbalanced
• Conical spring
• Independent of direction of rotation

Application

• Water pumps,Oil pumps
• Blowers
• Compressors
• Slurry pumps

Performance Range

Shaft Diameter	dl	:	10...100 mm
Pressure	p	:	22 bar (max
Temperature	t	:	-20...1400C
Velocity	v	:	15 m/sec

Materials

Seal Faces	:	Carbon, Ceramic, SiC, Tung. Carbide
Metal Parts	:	SS304, SS316
Bellows	:	Viton, Nitrile