We offer the BV-4-SRL, a specialized Secondary mechanical seal for Grundfos S pumps. This component is critical for the proper maintenance of Grundfos S series (Sarlin) pumps, typically serving as the upper or secondary barrier in the sealing system.

Designed as a rugged pusher mechanical seal, it ensures reliable containment and protection for the motor unit.

Seal faces materials:

• Carbon (A, В)
• СrNi Steel (S)
• Silicone carbide (Q1, Q2)

Secondary sealing materials:

• Fluorcarbon rubber, FKM (V)
• Nitrile-butadiene-rubber (P)

Type: Pusher mechanical seal
For pumps: Grundfos series S
Replacement: AES SSAIS06, Grundfos Sarlin