Vacuum Pipe Fittings Mirror Polished 90 Degree Elbow for Semiconductor Industry
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Product Highlights
- Dual Material Options: Available in Stainless Steel 304 or SS316L for diverse corrosion resistance needs.
- Customizable Surface Finish: Offers inner mirror, outer matte, or fully mirror polished options as per customer request.
- Wide Size Range: Covers KF16 to KF50 sizes to fit various vacuum pipeline connection requirements.
- Multiple Connection Types: Supports Quick Install, Welding, and Integrated connection methods for flexibility.
- Comprehensive Certifications: Meets ISO, KF, CF, 3A, and SMS standards for global compliance.
- Fast Lead Time: Production completed within 15 workdays regardless of peak or off-peak seasons.
Product Attributes
- Customization
- Available
- After-sales Service
- Parts Replacement
- Warranty
- 12 Monthes
- Model NO.
- longva2250
- Type
- Equal
- Connection
- Clamp
- Material
- Stainless Steel
- Shape
- Equal Tee
- Lateral
- 90°Tee
- Head Code
- Round
- Wall Thickness
- STD
- Finish
- Polishing
- Technics
- Forged
- Pressure Rating
- 2000LBS
- Standard
- GB
- Certification
- ISO, CE
- Size
- 1/2"-6"
- MOQ
- 1
- Available Type
- Clamped
- Surface Treatment
- Polishing, Matt or as Customer Request
- Transport Package
- Plastic Bag Carton and Plywood Case
- Specification
- 3a,SMS,ISO, Or According To Your Drawing And Size
- Trademark
- longva
- Origin
- China
- HS Code
- 7307290000
- Production Capacity
- 30000PCS/Month
- Package Size
- 20.00cm * 15.00cm * 15.00cm
- Package Gross Weight
- 2.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
The KF vacuum elbow, also named KF 90° quick clamp elbow, NW vacuum elbow (NW is the European equivalent standard of KF), is a core standard pipeline component for high-vacuum piping systems, manufactured strictly in accordance with ISO 2861 international vacuum flange specifications.
The mainstream specification series covers KF16, KF25, KF40, KF50, KF63 and other commonly used sizes. The standard bending angle is 90 degrees, which changes the flow direction of vacuum airflow inside the pipeline, realizing flexible layout and space turning of vacuum pipelines. Unlike welded elbows, the seamless integral structure completely eliminates hidden leakage points caused by welding seams, meeting the stringent leak tightness demands of high and ultra-high vacuum environments. The mirror polished inner wall effectively lowers the outgassing rate of the metal surface, a critical indicator to maintain stable vacuum degree for UHV (ultra-high vacuum) equipment.
| size | KF16-KF50 |
| Material | stainless steel 304 or SS316L |
| Polished | inner mirror outer matte or both sides mirror polished |
| Connection | quick install |
| Tube size | USA or Europe |
| Type | Welding or Integrated |
| Standard | ISO,KF,CF |
| Application | vacuum pipe line connection |





About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2431473". Items marked "" are certified.
Company Profile
WENZHOU LONGVA MACHINE Co., Ltd, (Longva Group., Co., Ltd), (Zhejiang Meinuox Technology Co., Ltd) started in 2006 and founded in 2010. It located in wenzhou, Zhejiang, China. It's five minutes by car from air port. Is a collection of research and development, production, sales, export in one of the comprehensive enterprise. The company has a full set of production and testing equipment, a group of high-quality professional and technical personnel and engineers, has passed ISO9001-2015, CE, SGS, IAF, ECM, ANAB, CNS certification. Our products are widely used in biopharmaceutical, food, beer, beverage, water purification, cosmetics, semiconductor, chemical, oil and other fields.
Our Main products: Butterfly valve, ball valve, check valve, change over valve, vacuum valves, gate vale, globle valve, tanks and pipe fittings: Elbow, Tee, Reducer and so on. Our LONGVA products can trace it's processes of manufacture and time, guarantee the products quality.
As a quality-oriented commpany, we insist on two marketing philosophy"people-oriented", "Quality First, service paramountry" to provide high-quality products and service. As a result, our company won a good reputation and many customers. And up to now more than 20 countries customers cooperated with us, some of them are world famous company.
Integrity, win-win cooperation, innovation, development are our operation principles. Meet client requirements, provide certificated high qualtiy products and service are our goal for ever. We are willing to cooperate with all customers at home and abroad to creat more benefits for clients and do all our efforts to go beyond ourselves eternally for human healthy.
Thanks for all of your supports and welcome to visit our company.
About Our Factory & Business Background
- Address
- No. 4298, Binhai 3rd Avenue, Wenzhou Economic&Technological Development Zone, Wenzhou, Zhejiang, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DAT, FAS, DDP, DAP, CPT, FCA, EXW, Others
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- NINGBO ,SHANGHAI
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2010-05-06
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the standard bending angle for this vacuum elbow?
- The standard bending angle is 90 degrees, which changes the flow direction of vacuum airflow inside the pipeline.
- What materials are available for the KF vacuum elbow?
- The product is made from Stainless Steel 304 or SS316L, ensuring durability and corrosion resistance.
- How does the design prevent leakage in high vacuum systems?
- Unlike welded elbows, the seamless integral structure completely eliminates hidden leakage points caused by welding seams.
- What is the significance of the mirror polished inner wall?
- The mirror polished inner wall effectively lowers the outgassing rate of the metal surface, which is critical for maintaining stable vacuum degree.
- What standards does this product comply with?
- It is manufactured strictly in accordance with ISO 2861 international vacuum flange specifications and holds ISO and CE certifications.
- What is the connection type for this fitting?
- The connection type is a quick install clamp, allowing for easy assembly and disassembly without welding.
- What size range is available for this product?
- The mainstream specification series covers KF16, KF25, KF40, KF50, and KF63, with custom sizes available from 1/2 to 6 inches.
- What is the warranty period for this product?
- We provide a 12-month warranty for this product, along with parts replacement after-sales service.
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