Metal bellow balanced pump mechanical seals WMF95N

Features

For unstepped shafts
Rotating bellows
Single Seal
Balanced
Independent of direction of rotation
Roller bellows

Advantages

For extreme temperature ranges
No dynamically loaded O-Ring
Very good self cleaning effect
Suitable for low-end sterile applications

Recommended applications

Process industry
Oil and gas industry
Refining technology
Chemical industry
Pharmaceutical industry
Pulp and paper industry
Food and beverage industry
Hot media
Cold media
Highly viscous media
Pumps
Special rotating equipment

Operating range

Shaft diameter:
d1 = 14 … 100 mm (0.55“ … 3.94“)
Temperature:
t = -40 °C …+220 °C (-40 °F … +428 °F)
Pressure: p = 16 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ± 0.5 mm

Combination material

Seal face: Silicon carbide (Q12), Carbon graphite resin impregnated (B), Carbon graphite antimony impregnated (A)
Seat: Silicon carbide (Q1)
Bellows: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel (G1)

WMF95N Data Sheet of Dimension (mm)