Metal Bellows | Pump Seals | John Crane

Metal Bellow Mechanical Seals: Enhancing Efficiency and Safety in Rotating Equipment

John Crane presents an unparalleled array of performance-driven products featuring edge-welded and formed metal bellows. This extensive range caters to various rotating equipment, including pumps, compressors, mixers and agitators. Our expertise spans numerous industries such as oil and gas, petrochemical, chemical, refrigeration compressor, pharmaceutical, food processing and pulp and paper. Our experience underscores the reliability and innovation behind John Crane's designs for welded metal bellows and formed metal bellows.

 

Why Choose Our Metal Welded Bellows and Formed Bellows?

 

Our metal bellow mechanical seals offer significant advantages, ensuring your operations remain at the forefront of efficiency and safety:

 

  • Reduced Downtime and Emissions: Our bellows seal technology is engineered to minimize operational interruptions and environmental impact.
  • Enhanced Productivity: By increasing the mean time between repair (MTBR), our seals boost productivity and improve your return on investment.
  • Cost-Effective Operations: We focus on reducing the total cost of ownership, life cycle costs, operational expenses and inventory requirements.
  • Elevated Safety Standards: Prioritizing plant safety, our metal bellow seals are designed to meet rigorous industry standards and requirements.

 

Discover Our Metal Bellow Sealing Solutions

 

Our portfolio offers a comprehensive solution for your sealing needs in critical rotating equipment. Trust in the quality and innovation of John Crane for reliable, efficient and safe operation in your industry.

 
 

Metal Bellow Mechanical Seals: Enhancing Efficiency and Safety in Rotating Equipment Products

Showing 1–25 of 25 products

ECS®

Metal Bellows Dry-running Secondary Emission Containment Seal

ECS® Metal Bellows Dry-running Secondary Emission Containment Seal

Available in low- and high-temperature designs, the ECS® is a dry-running seal for emission containment and safety/backup that successfully controls...

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…

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 1604

Single Stationary API 682 Metal Bellows Cartridge Seal Type C, Arrangement 1

Type-1604

The Type 1604 high-temperature, high-performance Type C, Arrangement 1, API 682 qualified cartridge seal is designed for high-temperature applications such...

Type 1604HTC

Single Stationary Welded Metal Bellows API 682 Cartridge Seal Type C, Arrangement 1

The Type 1604HTC is an API 682 qualified single stationary bellows cartridge seal Type C, Arrangement 1. The Type...

Type 1670

API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal

Type 1670 API 682 Category II and Category III, Type B, Arrangement 1 Single Rotating Metal Bellows Cartridge Seal

The Type 1670 is a factory pre-set edge-welded metal bellows API 682 qualified cartridge seal with Alloy C-276 (UNS N10276)...

Type 2609HTC/3609HTC

Dependable API 682 Cartridge Seals

Type 2609HTC 3609HTC Dependable API 682/ISO 21049 Cartridge Seals

The Type 2609HTC and Type 3609HTC are dependable API 682 cartridge seals that utilize two impressive design innovations by...

Type 2609HTL/3609HTL

Dual Unpressurized and Pressurized Rotating Bellows Cartridge Seals (API 682 Type C, Arrangement 2 and 3)

Type 2609HTL/3609HTL

Type 2609HTL is a dual unpressurized rotating bellows cartridge seal API 682 Type C, Arrangement 2. Type 3609HTL is a...

Type 2715T

High-temperature Single and Dual Metal Bellows Cartridge Seal for Dean Bros. Pumps

Type-2715T

The Type 2715T is available as a single or dual high-temperature cartridge seal for Dean Bros. pump models R434, R454...

Type 3604/3604HTC/3604HTCDP

API 682 Type C, Arrangement 3, Stationary Metal Bellows Cartridge Seal

TYPE 3604 Dual Scroll API 682/ISO 21049 Type C, Arrangement 3, Stationary Metal Bellows Cartridge Seal

The Type 3604/3604HTC/3604HTCDP is a highly reliable dual face-to-face stationary cartridge seal for high-temperature refinery services that is fully API...

Type 4615

General-purpose Single Cartridge Metal Bellows Seal

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 515E

Asymmetric Formed Metal Bellows Designed for General Purpose Use

Type 515E

Asymmetric formed metal bellows designed for general purpose use. General sealing duties include biotechnology, chemical processing, food processing, mining, oil,...

Type 5615/5615Q/5615L

Universal Cartridge Seal Family — Single Cartridge Metal Bellows Seal

5615 lg

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

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 604

High-temperature, Stationary Edge-welded Metal Bellows Seal

Type 604

The Type 604 is a high-temperature, general-purpose, stationary edge-welded metal bellows assembly for applications to 425C/800F. Available in either AM350...

Type 604HTC

High-temperature, Corrosion-resistant Stationary Bellows Assembly Utilizing "HTC" Technology

Type 604HTC High-temperature, Corrosion-resistant Stationary Bellows Assembly Utilizing "HTC" Technology

The Type 604HTC high-temperature, corrosion-resistant welded metal bellows seal is a unique advanced technology for reliably sealing fluids in harsh...

Type 606

High-temperature, Rotating Edge-welded Metal Bellows Seal with Drive Lugs

Type 606

The Type 606 is a high-temperature (to 425°C/800°F) rotating seal with the same high-strength design features as the Type 609....

Type 609

High-temperature, Rotating Edge-welded Metal Bellows Seal

Type 609

The Type 609 is a high-temperature (to 425°C/800°F) rotating seal head assembly that incorporates all of the rugged features of...

Type 609HTC

High-temperature, Corrosion-resistant Rotating Bellows Assembly Utilizing "HTC" Technology

Type 609HTC High-temperature, Corrosion-resistant Rotating Bellows Assembly Utilizing "HTC" Technology

The Type 609HTC is a high-temperature bellows assembly intended for those demanding applications where a dependable, high-strength, rotating seal is...

Type 670

Low-temperature, All-Alloy C-276 Metal Bellows Shaft Seal for Highly Corrosive Fluids

Type 670

The Type 670 is an all-Alloy C-276 rotating bellows seal, providing high strength and excellent corrosion resistance. It is...

Type 675

Low-temperature Titanium Edge-welded Metal Bellows Seal

Type 670

The Type 675 is a rotating titanium welded metal bellows assembly. The titanium bellows is ideal for chlorine, chlorine dioxide...

Type 676

Low-temperature, AM350 Metal Bellows Shaft Seal for Mild Corrosive Services

Type 670

The Type 676, with a rotating AM350 stainless steel bellows, is well suited for mild corrosive and....

Type 680

Low-temperature, General Duty All-Alloy-20 Edge-welded Metal Bellows Seal

680 lg

The Type 680 is the ideal seal for general-purpose applications. Its rotating Alloy-20 bellows provide corrosion resistance in a broad...

Type GL1B

Formed Metal Bellows Seal for General Service

Type GL1B Formed Metal Bellows Seal for General Service

The Type GL1B is a double-ply formed bellows seal to meet the dimensional requirements of DIN 24960 L 1K. The...

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