We offer a high-performance General purpose mechanical seal, the NV-3 model, suitable for water and chemical pumps. The distinctive feature of this model is its robust super sinus spring design, which offers superior axial flexibility and resistance to clogging in certain applications.

It is an unbalanced seal and is independent of the direction of rotation. Like the rest of the series, the fitting dimensions adhere strictly to DIN 24960 (EN12756), ensuring seamless integration into existing systems.

Seal faces materials:

• Resin impregnated caron(В)
• Antimony impregnated carbon (A)
• special CrMo steel(Е)
• tungsten carbide (U3)
• silicon carbide (Q1, Q2)
• ceramics Al O (V) 2 3

Secondary sealing materials:

• Fluorcarbon rubber, FKM (V)
• Nitrile-butadiene-rubber (P)
• Ethylene propylene
• rubber, EPDM (E)
• Perfluorocarbon rubber, FFKM (for example Kalrez®, etc.), (K)
• PTFE

Operating limits:

• p = 16 (25) bar
• t = -50 … 220°C
• v = 20 m/s

Type: Pusher mechanical seal
Replacement:: Burgmann M7N , AES W07D, Flowserve Europac 600