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Standard Cartridge Seal

John Crane provides a broad portfolio of standard cartridge mechanical seals that are versatile, easy to install and suitable for a wide range of applications across the chemical, pulp and paper, power generation, food and beverage, water and wastewater, and mining industries.

Designed to fit standard ANSI, DIN / ISO seal chambers they can also be used in a variety of other rotating equipment. Our standard cartridge seal range helps provide reduced installation times, lower maintenance costs and optimal equipment performance.

How do cartridge seals work?

Cartridge seals operate by creating a reliable sealing environment in rotating mechanical equipment to prevent leakage. The cartridge seal design simplifies installation, while ensuring effective sealing under various conditions.

Standard Cartridge Seal Products

Showing 1–17 of 17 Products

MLS-1

Mechanical Lip Seal

MLS

Triple Lip Seal Designed to seal positive displacement pumps moving high viscosity fluids.

Type 4111

Single-use Elastomer Bellows Cartridge Seal

Type 4111

Suitable for DIN and ANSI pumps using aqueous solutions, engineered to simplify installation, reduce maintenance and save on overall costs.

Type 4615

General-purpose Single Cartridge Metal Bellows Seal

Type 4615

The 4615 is a metal bellows seal that replaces the EZ-1® General-purpose Single Cartridge Seal. It is a member of the 4600 family of cartridge…

Type 5615/5615Q/5615L

Universal Cartridge Seal Family — Single Cartridge Metal Bellows Seal

Type 5615

The 5600 Series is the first truly universal cartridge seal — and the modular family concept of John Crane's Universal Cartridge will change your approach…

Type 5625/5625P

Universal Cartridge Seal Family — Dual Cartridge Metal Bellows Seal

Type 5625

The 5600 Series is the first truly universal cartridge seal — and the modular family concept of John Crane's Universal Cartridge will change your approach…

Type 5625P-1

Universal Cartridge Seal Family — API 682 Qualified Dual Cartridge Unpressurized/Pressurized Metal Bellows Seal

High-performance, low-emission, non-pusher seals, the Universal Cartridge 5600-1 Series is a modular cartridge seal family that includes interchangeable metal bellows...

Type 4610

Compact, General-duty, Single Cartridge O-ring Seal

Type 4610

The Type 4610 single cartridge seal, available off-the-shelf the world over, combines affordability with fluid-sealing dependability...

Type 4620P

Compact, General-duty, Dual Cartridge O-ring Seal with Pumping Ring

Type 4620P

The Type 4620P dual cartridge seal, available off the shelf the world over, brings a new...

Type SB1A

Single, Heavy-duty Cartridge Seals

Type SB1A

The Safeseal Type SB1A is a single-cartridge seal for use with clean fluids and lubricants. It is versatile, easy...

Type SB1

Single, Heavy-duty Cartridge Seals

Type SB1

The Safeseal Type SB1 is a single-cartridge seal for use with clean fluids and lubricants. It is versatile and...

Type FFET

Single Cartridge O-ring Seal

Type FFET

Designed to reduce installation time and errors, the compactness of the FFET cartridge seal ensures that it will fit all ANSI...

Type 5620/5620P/5620VP

Universal Cartridge Seal Family — Dual Cartridge O-ring Seal

Type 5620

The first truly universal cartridge seal, the Type 5620/5620P/5620VP will change your approach to sealing. Since the 5600 Series components...

Type 5610V/VQ/VP

Universal Cartridge Ear Drive O-Ring Seal Head

Type 5610V/VQ/VP

The specially engineered, fully interchangeable ear drive O-ring seal head extends the functionality of the 5600 series product line for standard ANSI and large bore…

Type 5610D/5620D

Universal Cartridge Seal Family — Wet/Dry-running Seal

Type 5620

The specially engineered, fully interchangeable wet/dry-running seal head extends the functionality of the 5600 product line for standard ANSI...

Type 5610/5610Q/5610L

Universal Cartridge Seal Family — Single Cartridge O-Ring Seal

Type 5610

The first truly universal cartridge seal, the Type 5610 will change your approach to sealing. Since the 5600 Series components...

Type SBW

Heavy-duty Single-cartridge Seals with Non-pressurized Quench

Type SBW

The Safeseal Type SBW is a single-cartridge seal used with unpressurized quench. The Type SBW seal can be used...

Type SB2/Type SB2A

Heavy-duty Dual-cartridge Seals

Type SB2A caption

The Safeseal Type SB2A is a dual-cartridge seal. Its double-balanced design ensures the reliability and longevity of the seal...

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