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  1. Auxiliary Pump Equipment

Mechanical Seals

Mechanical seals are critical components in pump systems that prevent fluid leakage where the rotating shaft enters the pump housing. These precision-engineered devices consist of two flat faces—one stationary and one rotating—that work together under spring pressure to create a reliable seal. The faces are typically made from materials like tungsten carbide, silicon carbide, or carbon graphite chosen for their hardness, temperature resistance, and self-lubricating properties. Unlike traditional packing, mechanical seals significantly reduce leakage, minimize shaft wear, require less maintenance, and operate with lower power consumption. They're essential in applications ranging from water treatment and chemical processing to food production and pharmaceutical manufacturing where containment of process fluids is crucial for operational efficiency, safety, and environmental compliance.

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Filter Mechanical Seals

BRAND
PRICE
IN STOCK
Chesterton 442C Cartridge Split Mechanical Seal
Chesterton 442C Cartridge Split Mechanical Seal
Cartridge split seal, 25 to 195 size range, 28inHg vacuum, 450psig (30bar), 4000 fpm.
Starting at $1,957.00
Chesterton 442 Split Mechanical Seal
Chesterton 442 Split Mechanical Seal
Split seal, 25 to 195 size range, 28inHg vacuum, 450psig (30bar), 4000 fpm.
Some Models in Stock
Starting at $1,957.00
Chesterton 1810/2810 Heavy-Duty Modular Single or Double Cartridge Seal
Chesterton 1810/2810 Heavy-Duty Modular Single or Double Cartridge Seal
Scalable, plant-wide mechanical sealing solution for a variety pf pumps.
Starting at $1,372.00
Chesterton 250 Double Cartridge Mechanical Seal
Chesterton 250 Double Cartridge Mechanical Seal
1in to 4.75in / 25mm to 120mm shaft sizes, compact cartridge profile designed to fit standard ANSI/ISO process pumps.
Starting at $1,860.00
Chesterton 150/150L General Duty Cartridge Seal
Chesterton 150/150L General Duty Cartridge Seal
Simple installation, increased reliability plant-wide for general duty applications.
Starting at $836.00

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Pump World
35 Green Mountain Dr
South Burlington, VT 05403 US
Mo-Fr 8:30am to 5:00pm ET

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Welcome to our family of stores, your go-to source for a wide selection of commercial and industrial products in the flow control and automation sectors. Each store features a curated range of specialized industrial solutions, with many items designed to complement each other, ensuring you can find everything you need for your specific application. Explore the stores below to discover our extensive product offerings for your business needs.

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