Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch

Products

Home /

Products

Replace John Crane 2100

Name: Replace John Crane 2100
Brand: Jiaxing Burgmann Mechanical Seal Co., Ltd. Jiashan King Kong Branch
SKU: Replace John Crane 2100
Price: 8.75 USD
Availability: InStock

Product Details

Place of Origin: Zhejiang, China

Brand Name: JG

Certification: FDA certificate

Model Number: Replace John Crane 2100

Payment & Shipping Terms

Minimum Order Quantity: 1pcs

Price: USD8.75- 9.75 / 10 set

Packaging Details: white box

Delivery Time: 3~10DAYS

Payment Terms: T/T,Western Union,MoneyGram

Supply Ability: 1000PCS

Get Best Price

Contact Now

Specifications

Description

Specifications

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                                      John Crane 2100 water pump seal, replaceable water pump seal, industrial water pump seal
                                                  

Product Name:	Replace John Crane 2100	Feature:	Mechanical Seal
Shaft Diameter:	10 mm – 100 mm (0.375″ – 4.00″)	Application:	Chemical Pumps
Pressure:	≤ 1.6 MPa (230 psi / 16 bar)	Temperature:	-20~150°C

Product Name:	Replace John Crane 2100
Feature:	Mechanical Seal
Shaft Diameter:	10 mm – 100 mm (0.375″ – 4.00″)
Application:	Chemical Pumps
Pressure:	≤ 1.6 MPa (230 psi / 16 bar)
Temperature:	-20~150°C

Description

Replace John Crane 2100

In the field of industrial pump maintenance, sourcing a high-quality replacement for the John Crane Type 2100 is not only about cost reduction—it is about enhancing system reliability. Our replacement series is specifically designed to address the performance of the original 2100 model under demanding service conditions:

100% Drop-in Compatibility: Strict adherence to OEM shaft diameter, installed length, and seal face dimensions ensures direct installation without any mechanical modification.
Non-Clogging Construction: The single-spring and rubber bellows design is retained and optimized, effectively preventing spring failure when handling fluids containing impurities or solids.
Enhanced Service Life: Compared to standard parts, we select higher-purity premium silicon carbide (SiC) and imported elastomer materials to extend Mean Time Between Failures (MTBF) under frequent start-stop cycles.

Technical Specifications

The following parameters strictly conform to industrial mechanical seal standards.

Technical Feature	Specification Details
Compatible Models	John Crane Type 2100 / 2100S / 2100N
Shaft Diameter Range	10 mm - 100 mm (0.375″ - 4.00″)
Max Pressure	≤ 1.6 MPa (230 psi / 16 bar)
Temperature Range	-40 °C to +150 °C (depending on elastomer material)
Linear Velocity	≤ 15 m/s (3,000 fpm)
Face Materials	Carbon, Silicon Carbide, Tungsten Carbide
Elastomers	NBR (standard), EPDM (water service), Viton/FKM (chemical service)
Metal Parts	SS304 / SS316 high-grade stainless steel

Advantages

Spring unit averted from the product so no sticking and clogging of the springs
Safe operation (no fractures) because of seal face locking by square pin
Suitable for pressure reversals
Operation in vacuum without additional seat locking possible
No damage of the shaft by a dynamically loaded O-Ring
Small installation sizes
Best suitable for conversions, no adaptations of the pump
Insensitive to solid containing and abrasive media
Advantages of a balanced seal even with plain shafts
Insensitive to shaft movements because of the stationary design

Application

Water and waste water technology
Chemical industry
Refining technology
Dirty, abrasive and solid containing media
Fugitive hydrocarbons (no API seal!)
Sticky and stringy media
Chemical standard pumps
Sewage pumps

Shipping & Payment Terms

Port of Loading: Shanghai

Shipping Method: DHL, UPS, FEDEX, TNT, etc

Payment Terms: T/T, Western Union, Money Gram

Our Services

OEM/ODM orders are available for our factory
Accept customized mechanical seals according to your drawing or requirements
Small quantity is accepted
Provides excellent quality with competitive price

Technical FAQ: Replacing John Crane Type 2100

Q1: Is your replacement part dimensionally identical to the genuine John Crane Type 2100?

Yes. Our design fully conforms to DIN 24960 (EN 12756) and ISO 3069. This means that the installed height (L1k) and the stationary seat fit tolerances are a 1:1 match with the original 2100 series, delivering a "zero-error" replacement.

Q2: How do I confirm the correct rubber bellows material when selecting a replacement?

Material selection depends on your pumped media. To demonstrate trustworthiness, we recommend:

Municipal water / HVAC systems: Choose EPDM, which offers excellent hot water resistance.
Oily wastewater / general industrial service: Choose NBR (nitrile) for good oil resistance.
Aggressive / high-temperature chemical service: You must select Viton (FKM) to prevent swelling or cracking of the bellows due to chemical attack.

Q3: Why does this replacement better protect my pump shaft?

As with the original design, our 2100 replacement is driven by friction via the rubber bellows. Because the bellows does not slide relative to the shaft, it avoids the severe grooving or wear on the shaft surface that can occur with traditional O-ring seals. This saves you the expensive cost of replacing the pump shaft or shaft sleeve.

Q4: How does this replacement perform when handling viscous media?

Thanks to the large-pitch single spring (non-clogging single spring) design, this replacement offers significantly better clogging resistance than multi-spring seals when handling sewage, pulp, or mildly viscous media. It is a classic "ruggedized" design, well suited for a wide range of harsh industrial environments.

Tags:

Please send us your request and we will reply to you as soon as possible.

Send

Industrial Mechanical Seals

Metal Bellows Seal

Cartridge Mechanical Seal

Double Mechanical Seal

Balanced Mechanical Seal

Single Mechanical Seal

Single Spring Mechanical Seal

Multi Spring Mechanical Seal

Water Pump Seals

Chemical Seal

Agitator Mechanical Seal

Mechanical Seal Replacement

Mechanical Seal Spare Parts

Replace John Crane 2100

John Crane 2100 water pump seal

replaceable water pump seal

industrial water pump seal

water pump mechanical seal,

industrial pump seals,

water pump seal replacement

Sic vs Sic Clean Water Pump Mechanical Seal Replace Burgmann MG1 Mechanical Pump Seal Made In China

Burgmann M2N Water Pump Seals Conical Spring Rotating Type For Sewage Water

Conical Spring Water Pump Mechanical Seal Stationary Design OEM / ODM Available

Carbon Ceramic Ebara Water Pump Seals 40*32 FDGP ISO9001:2008 Approved

CR 12mm & 16mm Grundfos Pump Mechanical Seal , High Pressure Industrial Pump Seals

Single Face Water Pump Seals , 560A Series Rubber Industrial Mechanical Seals

Stationary Design Sealol Mechanical Seal / Rubber Bellows Seal For Water Pump

8mm - 70mm Shaft Dia Water Pump Seals 301 Replacement Mechanical Seal Parts

Single Face Unbalanced Water Pump Seals 108 Model Submersible Pumps Usage

Water Pump John Crane Mechanical Seal Single Spring Type Elastomer Bellows Designed

Industrial Water Pump Seals Silicon Carbide / Tungsten Carbide Rotary Ring Available

Industrial Mechanical Seals

Metal Bellows Seal

Cartridge Mechanical Seal

Double Mechanical Seal

Balanced Mechanical Seal

Single Mechanical Seal