Non-contacting Seals | Pump Seals | John Crane

Non-contacting Seals

Non-contacting mechanical seals operate with inert gas as a seal face lubricant. They provide a highly durable mechanical seal for demanding refinery and chemical processing applications. Non-contacting sealing technology can also be used to preserve product purity.

John Crane non-contacting mechanical seals can assist companies who are seeking a zero-emission/zero leakage mechanical seal solution to achieve environmental and safety regulations. 

Non-contacting Seals Products

Showing 1–10 of 10 products

Type 2800E

Non-contacting, Gas-lubricated Seals for Small-bore Rotating Equipment

2800E lg

The rotating mating ring features micromachined spiral grooves that compress an inert barrier gas and create a lifting force on...

Type 2800EH

Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal for Pumps

IMG1184

The John Crane Type 2800EH is a non-contacting dual seal for non-turbo small-bore rotating equipment applications, meeting the requirements of...

Type 2800EX

Externally Mounted, Gas-lubricated, Non-contacting Cartridge Double Seal For Pumps

IMG1183

Unique spiral groove technology patented John Crane spiral grooves are machined into the mating ring faces. A pressurized suitable inert...

Type 2800XA

Non-contacting Gas-lubricated Dual Cartridge Seal for Large-bore Pumps

The patented technology and tolerant design make these seals ideally suited for applications requiring specially engineered seals with performance even...

Type 2800XP

Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps

2800XP Final

The John Crane Type 2800XP is a non-contacting dual seal for non-turbo, large-bore rotating equipment applications, and complements the John...

Type 2800XS

Non-contacting, Gas-lubricated Dual Cartridge Seal for Large-bore Pumps

Type 2800XS is the designation used for specially engineered seals designed for operation outside the normal parameters of Types 2800XA and 2800XP...

Type 285

Gas-lubricated, Non-contacting Single Seal For Cryogenic Pumps

Type-285

As the worldwide leader in spiral groove technology, John Crane is the first to utilize non-contacting seals...

Type 2874

Non-contacting Dual Gas Seal Cartridge for Pumps

Type-2874

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

Type 28SC

Non-contacting Secondary Containment Seal

28SC isometric

The 28SC is a gas-lubricated, non-contacting secondary containment seal, which is applied as a component of a multiple seal...

Type 2874HTC

Non-contacting, Metal Bellows, Outward Pumping Dual Pressurized Gas Lubricated Seal

Reliably sealing high and low temperature process fluids up to 425°C (800°F), the Type 2874HTC incorporates unique HTC (high-temperature, corrosion-resistant) metal bellows technology with non-contacting…

Need more help?

Scroll to top