Pusher Seal
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Face Materials: Stellite, Carbon, Ceramic, Tungsten Carbide, Silicon Carbide, LecrolloyMetal Parts: SS 316, SS 304Secondary Seal: Elastomers, PTFE
Applications
Water PumpsCirculation Pumps for central heatingChemical Process PumpsSewage and Submersible pumps
Seal Characteristics:
Single actingUnbalancedInside mountedDependent of direction of rotation
Operating Limits:
Shaft Diameter d1 : 9 ... 100 mmPressure p : 10 bar (max)Temperature t : _20 + 1200 CVelocity v : 20 m/secsingle conical helical spring, unbalanced seal with '0' ring as secondary sealing member. Various seal face materials and elastomers can be offered for wide service application. As the torque transmission is done by conical helical spring these seals are dependent of the direction of rotation. Direction of rotation is seen from the drive end of the shaft. Clockwise rotating shaft requires right handed spring and anticlockwise rotating shaft requires left-handed spring. For easier fitting, the conical helical spring should be pushed on the shaft with a twisting motion in the sense of the spring unwinding. This movement enlarges the diameter of the spring, enabling easy fitment.Face Materials: Stellite, Carbon, Ceramic, Tungsten Carbide, Silicon Carbide, Lecrolloy
Metal Parts: SS 316, SS 304Secondary Seal: Elastomers, PTFE
Applications
Water PumpsCirculation Pumps for central heatingChemical Process PumpsSewage and Submersible pumps
Seal Characteristics:
Single actingUnbalancedInside mountedDependent of direction of rotation
Operating Limits:
Shaft Diameter d1 : 9 ... 100 mmPressure p : 10 bar (max)Temperature t : _20 + 1200 CVelocity v : 20 m/secsingle conical helical spring, unbalanced seal with '0' ring as secondary sealing member. Various seal face materials and elastomers can be offered for wide service application. As the torque transmission is done by conical helical spring these seals are dependent of the direction of rotation. Direction of rotation is seen from the drive end of the shaft. Clockwise rotating shaft requires right handed spring and anticlockwise rotating shaft requires left-handed spring. For easier fitting, the conical helical spring should be pushed on the shaft with a twisting motion in the sense of the spring unwinding. This movement enlarges the diameter of the spring, enabling easy fitment.
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