Type 2874

Non-contacting Dual Gas Seal Cartridge for Pumps

The Type 2874 is an internally pressurized, gas-lubricated, non-contacting dual cartridge seal designed for use in API, ANSI and DIN large-bore seal chambers.

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Features
Parameters
Recommended Applications
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Features

California Residents: PROPOSITION 65 WARNING
ID to OD pumping spiral groove arrangement places process fluid at the OD of the inboard seal.
Eliminates low flow regions in close proximity to inboard seal
Reduces dewatering and hang-up
Rotating mating ring imparts centrifugal flow to fluid in the seal chamber, which keeps fluid moving and helps prevent solids from falling out of solution.

Parameters

Temperature Limits: -30°F to 500°F/-34°C to 260°C
Pressure Limits: Vacuum to 600 psi(g)/(41 bar(g)
Maximum differential pressure (process/inbd) is 150 psi(g)
Speed Limits: 1450 to 3600 rpm
Consult engineering for low- or high-speed designs.
Other: 1.375 to 4.000"
Consult engineering for non-standard sizes.