MG12/53Z and MG1253/G6 Mechanical Seals for G6 Stationary Seat Pumps Designed for pumps that use a standard G6 stationary seat, the MG12/53Z and MG1253/G6 mechanical seals match that geometry to provide reliable containment at the shaft interface. Why customers choose these seals Reliable leak control: Stable sealing at the shaft-to-seat interface reduces fluid loss and contamination risk. Low downtime and longer service intervals: Durable construction helps extend operating life and decrease the frequency of maintenance. Fast, correct replacement: Engineered to fit G6-seat pumps so installation and field replacement are straightforward and reduce fitment errors. Predictable performance: Built to deliver consistent sealing under normal industrial pump conditions. Key features and attributes Function: Mechanical seal that contains fluid at the shaft-to-seat interface. Compatibility: Sized for pumps using the standard G6 stationary seat. Fit options: Two variants — MG12/53Z and MG1253/G6 — to match the same G6 seat geometry; choose the variant that corresponds to your pump model and operating needs. Material: Components selected to be compatible with common pump fluids (standard industrial service). Performance: Designed for stable, leak-controlled operation under typical pump conditions. Installation and maintenance Straightforward installation and replacement for pumps with G6 stationary seats. Reduces maintenance time by minimizing adjustments and fitment issues. Durable parts help extend service intervals and lower lifetime maintenance needs. Typical applications Water treatment and municipal pumps where reliable containment is essential. Chemical processing pumps requiring consistent sealing with compatible materials. HVAC and circulating pumps in commercial buildings for dependable, low-maintenance operation. Choose MG12/53Z or MG1253/G6 when you need a drop-in mechanical seal solution for G6-seat pumps that balances reliable leak prevention, simple replacement, and long-term serviceability.