Powered by Made-in-China.com
Water Pump Rubber Bellow Pump Shaft Seal Mg1 Mechanical Seal
US$1.00-200.00
1 Piece
Product profile
Customization
AvailableStructure
Single EndPressure
Medium Pressure Mechanical SealsModel NO.
R21/MG1Speed
General Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
WearStandard
StandardBalance
UnbalancedSeat
Ceramic,Sic,TcFace
Carbon,Sic,TcO-Ring
NBR,EPDM,Ffkm,Alfas,FEP,Kalres,Spring
SS316,SS304Transport Package
Individual PackageSpecification
OEMTrademark
SealconOrigin
ChinaKey features
Wide Material Customization: Customizable seat, face, O-ring, and spring materials based on specific requirements.
Direct Replacement: Sealcon R21 equivalent to John Crane 1; can replace original seals.
OEM and Custom Service: Supports OEM, full customization, and minor customization from samples or designs.
Fast Delivery: Average lead time within 15 workdays or one month depending on season.
Quality Assurance: 100% inspection of finished products including visual and function checks.
Competitive Pricing: Offers factory price with high quality and best service.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤6.23h
AI-Powered supplier vetting
SummaryThe supplier produces mechanical seals and related fluid, electromechanical, transmission, rubber, and ceramic products, while also operating import and export business. It reports compliance with DIN24960, ISO3069, EN12756, and API682 standards, but no supplier-management-system certification is stated. The supplier offers broad customization, ODM, and OEM services, and reported new products during the past year. Production evidence includes one production line, machining equipment, 100% finished-product inspection, and stated inventory capability. However, raw-material traceability is absent, no valid manufacturing contract with affiliated subcontractors is recorded, and service-management procedures, complaint-handling procedures, and corrective/preventive-action records are unavailable. Overseas service infrastructure is limited, with no agents, branches, warehouse, or showroom reported. Customer reach is indicated by markets in Europe, the USA, Southeast Asia, and the Middle East, plus participation...
Supplier typeThe supplier’s stated business scope covers production of mechanical seals and sales of related fluid, electromechanical, transmission, rubber, and ceramic products, together with import and export operations. This supports classification as a manufacturer and trading/export supplier rather than a pure distributor.
After-Sales capabilityThe supplier reports no written procedures or records for customer complaints, corrective and preventive actions, or effective service-capability assessment. It also has no overseas agents or branches, overseas warehouse, or showroom, although it offers inventory capability and accepts multiple quotation and payment terms.
R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has two R&D engineers with stated total R&D experience. It also reports OEM capability for popular brands, but no SDK is available; overall, the evidence supports active product development and design capability.
Production capacityProduction evidence includes one production line, listed sawing, CNC turning, wire-cutting, milling, and grinding equipment, 100% finished-product inspection, inventory capability, and a stated peak-season fulfillment time of one month. Countervailing limitations include no valid manufacturing contract with affiliated subcontractors and no raw-material traceability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, indicating broad support for customer-specific product development.
Product Q&A
Q:Can this seal replace John Crane 1?
A:
Yes, the Sealcon R21 is equivalent to John Crane 1 and can replace original seals.
Q:Is customization available for this product?
A:
Yes, we support OEM, full customization, minor customization, and flexible customization from samples or designs.
Q:What materials are available for the seal components?
A:
Seat: Ceramic, SiC, TC; Face: Carbon, SiC, TC; O-Ring: NBR, EPDM, FFKM, etc.; Spring: SS304, SS316.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Q:What are the payment terms?
A:
We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payment.
Send Inquiry
*To:
Hangzhou Sealcon Fluid Machinery Co., Ltd.
Hangzhou Sealcon Fluid Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Reliable Bergmann MG12 Pump Mechanical Seals for All King of Pump
US$2.50-35.00
5 Pieces(MOQ)
Rubber Bellow Seal Tg109|Mg1/Mg12/Mg13 Replacement|Carbon Ring|Sic Ring
US$1.00-40.00
5 Sets(MOQ)
John Crane Mechanical Sealtype 2100|Tg2100 Seal|Rubber Bellow Seal
US$1.00-40.00
5 Sets(MOQ)
Hidrostal Rubber Bellow Seal, Double Mechanical Seal, Spring Pump Seal
US$1.00
1 Piece(MOQ)
Mechanical Seal Replace for Burg Mg1, AES B02, Fs 190
US$0.50-10.00
1 Piece(MOQ)
Rubber Bellow Single Spring John Crane 2100s/K/N Mechanical Seal
US$0.50-1.00
10 Sets(MOQ)
2100 2100K Water Pump Mechanical Seals for Chemical Standard Pumps
US$0.50-1.00
10 Sets(MOQ)
Cartridge Mechanical Seal Shaft Seals for Pump GLF-32X SEV.80.100.110.2.51D
US$15.80
1 Piece(MOQ)
High Quality Water Pump 560d in Stock Supply Mechanical Seal
US$0.50-1.00
10 Sets(MOQ)
Applicable Water Pump Mechanical Seals Cdl/Cr/Jmk Shaft Seals and Water Seals
US$5.00
5 Pieces(MOQ)
JC 200 Type Mechanical Seals for Water Pump
US$3.00-35.00
5 Pieces(MOQ)
103 103b Spring Mechanical Seal Elastomer Bellows Water Pump Seals
US$1.00
1 Piece(MOQ)
78363 Shaft Pump Mechanical O-Rings Sealing Hydraulic Cylinder Rubber Oil Seal
US$22.82-25.29
1 Set(MOQ)
Pump Seal Johan Crane Seal Mg1 --90
US$1.50-8.00
5 Pieces(MOQ)
1900 Mechanical Seal for Waste Water Pumps
US$30.00
1 Set(MOQ)
Tc/Sic/PTFE Mechanical Seal Type 109 for Oil/Water Pump
US$1.99-8.99
10 Pieces(MOQ)
High-Performance Mechanical Shaft Seal for Standard Water Pumps
US$2.00-3.00
10 Pieces(MOQ)
Durable Rubber Bellows Seal for Water Pump Applications
US$2.50-4.00
10 Pieces(MOQ)
Series Pump Compatible Seal-Ybgr-G11 Metal Bellow Mechanical Seal (TC/SIC/Rubber OEM)
US$1.00-50.00
5 Sets(MOQ)



















