H74-D

Description

Features

– For stepped shafts

– Dual seal

– Balanced

– Rotating multiple springs

– Independent of direction of rotation

– Seal concept based on the H7 range

*Variant with pumping screw available

(H74F-D)

Advantages

*Efficient stock keeping due to easily interchangeable faces

– Extended selection of materials

– Flexibility in torque transmissions-

– Insensitive to low solids contents

*EN 12756 (For connection dimensions d1 up to 100 mm (3.94″)) (G16)

Operating range

Shaft diameter:

d1 = 14 … 200 mm (0.55″ … 7.87″)

Pressure:

p1 = 80 bar (1,160 PSI) for d1 = 14 … 100mm,

p1 = 25 bar (363 PSI) for d1 = 100 … 200mm,

p1 = 16 bar (232 PSI) for d1 > 200 mm

Temperature:

t = -50 °C … 220 °C (-58 °F … 428 °F)

Sliding velocity: vg = 20 m/s (66 ft/s)

Axial movement:

d1 up to 100 mm: ± 0.5 mm

d1 from 100 mm: ± 2.0 mm

Recommended applications

– Process industry

– Oil and gas industry

– Refining technology

– Petrochemical industry

– Chemical industry

– Power plant technology

– Pulp and paper industry

– Low solids content and low abrasive

– Toxic and hazardous media

– Media with poor lubrication properties

– Adhesives

– Chemical standard pumps