O-ring Pusher Seals

John Crane offers a range of O-ring pushers seals to suit a huge variety of applications. Our products range from simple low-cost component seals up to high-duty and API 682 seals targeting some of the most challenging duties across the industry.

O-ring Pusher Seals Products

Showing 1–36 of 36 products

Type 1648

API 682-qualified, Single Cartridge, Type "A" O-ring Pusher Seal

1648 lg

The Type 1648 is a high-performance single cartridge pusher seal designed to help prevent emissions leakage in most refinery applications....

Type 2648

API 682-qualified, Dual Unpressurized Cartridge, Type "A" O-ring Pusher Seal

The Type 2648 is a high-performance, low-emission cartridge seal designed to provide additional safety for hazardous applications and applications where...

Type 270F

Heavy-duty Cartridge Seal for Boiler Feed Circuit Applications

270F Final

Suitable for larger equipment, the Type 270F is a boiler feed seal designed for the most demanding performance, and is...

Type 34

Elastomer O-ring Pusher Seal

The Type 34 is a short, DIN-balanced seal for general duty in the processing, refinery and petrochemical industries. Alternative seat...

Type 3648

API 682-qualified, Dual Pressurized Cartridge, Type "A" O-ring Pusher Seal

Type-3648

The Type 3648 is a high-performance, low-emission cartridge seal designed for maximum containment of hazardous fluids and light hydrocarbons. Its...

Type 4610

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

4610 lg

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

4620p lg

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

Type 48VBF

Low leakage, high temperature shaft seal for uncooled boiler-feed-water

Type 48VBF

The Type 48VBF is a single seal that can operate without a cooling water system(external heat exchanger, API Plan 23) in critical high temperature pumps…

Type 48HP

Low-emission, High-pressure O-ring Shaft Seal for Light Hydrocarbon Services

48HP lg

Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...

Type 48LP

Low-emission, Low-pressure O-ring Shaft Seal for Light Hydrocarbon Services

48LP lg

Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...

Type 48MP

Low-emission, Moderate-pressure O-ring Shaft Seal For Light Hydrocarbon Services

48MP lg

Type 48 seals evolved from the successful, proven John Crane Type 8B1 design, the preferred choice for safe, reliable, unpressurized...

Type 48SC

Dry-contacting Secondary Containment Seal

48SC

Dry-running, contacting seals employ a technology based on careful material selection and precise control of contact forces. They are...

Type 48XP

High-performance Cartridge, Multi-spring, O-ring Pusher Seal with Lubrication-enhancing and Controlled-leakage Features

48XP 180613 HD

Patented John Crane Laserface® interface groove technology. The Type 48XPVL is a new and innovative technology which has been...

Type 5610/5610Q/5610L

Universal Cartridge Seal Family — Single Cartridge O-Ring Seal

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

Type 5610D/5620D

Universal Cartridge Seal Family — Wet/Dry-running Seal

Standard Cartridge 5620

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

Type 5610V/VQ/VP

Universal Cartridge Ear Drive O-Ring Seal Head

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 5620/5620P

Universal Cartridge Seal Family — Dual Cartridge O-ring Seal

Standard Cartridge 5620

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

Type 586

Heavy-duty Cartridge Seal for Flue Gas Desulphurization

586 sm

The Type 586 is a single, stationary cartridge-mounted seal assembly designed to contain the thick, corrosive and erosive slurries typically...

Type 58B

General Purpose DIN Balanced, Multi-spring, O-ring Pusher Seal

A DIN seal for general- and high-pressure duties in the processing, refinery and petrochemical industries. Alternative...

Type 58U

General Purpose DIN, Multi-spring, O-ring Pusher Seal

A DIN seal for general low- to medium-pressure duties in the processing, refinery and petrochemical industries. Alternative...

Type 8610/8620

Balanced Stationary Multi-spring High Duty Mechanical Seal​

8600 lg

The type 8600 seal is available in single, dual pressurized and dual non pressurized arrangements for the most extreme pressures and speeds, from our high…

Type FFET

Single Cartridge O-ring Seal

FFET lg

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

Type JCS1

Integrated Single Seal for Demanding Conditions

Safeseal JCS1 is a rugged, pump-integrated single seal designed for clean and lubricating fluids such as water, oils, solvents and...

Type JCS2

Integrated Double Mechanical Seal for Demanding Conditions

JCS2P Sulzer 1

Type JCS2 seals are designed to be used in pumps for environmentally hazardous and abrasive liquids when operating limits for...

Type R33

General Purpose Short (L1S) DIN O-ring Pusher Seal

r33

A short DIN seal for general duties in the processing, refinery and petrochemical industries. Alternative seat designs and material options...

Type RRAL/RREL

Balanced Single-spring Cartridge Seals for Refinery and General Oil and Gas Service

RREL lg

Patented single-spring drive to minimize clogging. RRAL/R is an API 682 qualified cartridge design....

Type RREP / RRDP

High-performance Multi-spring Seal

RREP lg

Designed for high-pressure and high-speed applications, the RREP is suited to a whole host of refinery and process industry duties,...

Type SAF

Double-acting Cartridge Seal for Heavy Equipment

SAF

The SAF is a double-acting seal particularly engineered to suit pumps, screens, knotters, sorters and pulpers in heavy process industries...

Type SB1

Single, Heavy-duty Cartridge Seals

SB1A V3

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

Type SB1A

Single, Heavy-duty Cartridge Seals

SB1A V3

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

Type SB2/Type SB2A

Heavy-duty Dual-cartridge Seals

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

Type SBW

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

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

Type SE1

Single Mechanical Seals for Sulzer Process Pumps

SE1 V4

The Safeseal Type SE1 is a customer-fitted (OEM standard) single, balanced component or cartridge seal designed for clean and lubricating...

Type SE2

Dual Mechanical Seals for Sulzer Process Pumps

SE2 V3

The Safeseal Type SE2 is a customer-fitted (OEM standard) dual, balanced cartridge seal designed for the severe applications found in...

Type SEW

Single Mechanical Seals for Sulzer Process Pumps

SEW V3

Type SEW is a seal operating on a non-pressurized water quench principle. It is designed for the most demanding applications in...

Type U2EK

General Purpose Short (L1S) DIN O-ring Pusher Seal

A short DIN seal for general duties in the processing, refinery and petrochmical industries. Alternative seat designs and material options...

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