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High Pressure John crane Type 20r-2.5b PTFE Bellow Mechanical Seal
US$20.00
1-9 Pieces
US$10.00
10+ Pieces
Product profile
Customization
AvailableStructure
Single EndPressure
Medium Pressure Mechanical SealsModel NO.
SS-20/SS-20RSpeed
General Speed Mechanical SealTemperature
Temperature Mechanical SealPerformance
TemperatureStandard
Standard, NonstandardType
SS-20/SS-20RBalance
BalancedTransport Package
Wooden Box or Carton Box Upon The OrderSpecification
CE; RoHSTrademark
Saisi SealOrigin
Zhangjiagang, JiangsuHS Code
8484200090Production Capacity
60000Key features
Chemically Inert Materials: All surfaces in contact with liquid feature chemically inert materials for corrosion resistance.
Corrosion Resistant Design: Suitable for extremely corrosive chemicals, including concentrated acids, salts, and oxidizing agents.
External Metallic Components: Springs and clamp rings are located outside the pump seal chamber, isolated from process liquid.
Wide Temperature Range: Operates effectively within a temperature range of -45C to 121C (-50F to 250F).
High Speed Capability: Type 20R supports speeds up to 13 mps (2600 fpm) for high-performance applications.
Flexible Spring Options: Multiple springs are standard, with single spring design available for specific requirements.
Versatile Material Selection: Seal rings available in Carbon, Resin Filled PTFE, and Silicon Carbide for diverse needs.
Robust Pressure Rating: Designed for medium pressure applications with a rating of up to 10 bar g (150 psig).
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: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.49h
AI-Powered supplier vetting
SummaryThe supplier operates in valves, couplings, metal structural components, instruments, electrical components, and related import/export activities. It reports broad customization services, ODM capability, OEM service for well-known brands, 3D software design, and professional technical supplier status. Export experience is stated as eight years, with self-operated import/export rights and one-month average lead times in both peak and off-season. However, the supplier reports no new products in the past year, no patents, no private molds, no overseas service facilities or agents, and no ERP, OA, CRM, or SAP systems. Service procedures exist for corrective actions and complaints, but written records are absent. Financial information is inconsistent and insufficiently interpretable, so financial credibility cannot be confirmed.
Supplier typeThe stated business scope covers valves, couplings, metal structural components, instruments, and electrical components, while the supplier identifies itself as a professional technical supplier. This supports classification as an industrial component and technical-product supplier, but the slices do not establish a narrower legal or manufacturing classification.
R&D capabilityThe supplier offers ODM and 3D software design services, but reports no new products in the past year, zero R&D patents, no private molds, no available SDK, and no ERP, OA, CRM, or SAP systems. These findings show some design capability but limited evidence of sustained or system-supported innovation.
Production capacityFinished-product inspection instructions are available and uniformly followed. The supplier has self-operated import/export rights, eight years of export experience, and reports one-month average lead times in both peak and off-season; however, direct production capacity details such as equipment, output, or facility scale are not provided.
Customization capabilityThe supplier explicitly provides customization from samples, designs, full customization, minor customization, and flexible customization. It also offers ODM services and 3D software design, giving clear evidence of broad customization support.
Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least one type of customer experience. No brand names, project details, quantities, or independently verifiable case information are provided.
Product Q&A
Q:What is the temperature operating range?
A:
The mechanical seal operates within a temperature range of -45C to 121C (-50F to 250F).
Q:Is this seal suitable for corrosive chemicals?
A:
Yes, it is designed for extremely corrosive chemicals, including concentrated acids, salts, and strong oxidizing agents.
Q:What materials are used for the seal ring?
A:
Seal ring materials include Carbon (Type 20R), Resin Filled PTFE (Type 20), and Silicon Carbide.
Q:What is the maximum pressure rating?
A:
The maximum operating pressure is 10 bar g or 150 psig.
Q:What are the speed limits for Type 20R?
A:
Type 20R supports speeds up to 13 mps (2600 fpm).
Send Inquiry
*To:
SAISI SEAL CO., LTD
SAISI SEAL CO., LTD*Content:
Supplier replies will be sent to your registered email
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