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)