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Premium Double-Layer Vacuum Head for Safe Natural Gas Storage
US$1.00
1-9 Pieces
US$0.80
10+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCertification
CE, ISO, ASME, CE, ISOCustomized
CustomizedModel NO.
DK-FT-30Surface Treatment
NaturalFuel
GasRange of Applications
IndustrialType
Boilers HeadMaterial
Stainless SteelStandard
ASME / GB / Jb / Hg (Customizable)Usage
IndustrialFuel
Not ApplicableInstallation
Welded InstallationStructure
Dish/Elliptical Head StructureMedia
Not ApplicableWater Circulation
No ApplicableDrum Placement
No ApplicableManufacturing Level
Pressure Vessel Grade (ASME/GB Standard)Burning Style
Not ApplicableProduct Type
Dish HeadApplicable Vessel
Pressure VesselThickness
6mm-60mm(Customizable)Pressure Rating
Class150-Class2500Diameter
DN300-DN6000(Customizable)Transport Package
Steel Frame / Wooden PalletSpecification
Custom Size, Carbon Steel/Stainless Steel, ThickneTrademark
DongkeOrigin
Shandong, ChinaHS Code
8419899090Production Capacity
10000 Pieces/YearKey features
Wide Customization Range: Customizable diameter (DN300-DN6000) and thickness (6mm-60mm) to meet specific project needs.
Premium Material Options: Available in 9Ni, 304L, 316L stainless steel, and aluminum alloy for superior durability.
Strict Quality Assurance: 100% NDT inspection (RT/UT/MT/PT) and hydrostatic testing ensure zero leakage risk.
Global Certification: Compliant with ASME, CE, ISO, and GB standards for international safety requirements.
Versatile Installation: Supports direct welding and flange connection methods for flexible system integration.
Comprehensive After-Sales: 12-month warranty with free spare parts and 24/7 online technical support.
High Precision Manufacturing: Integral stamping and spinning processes ensure high precision and excellent weldability.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao portAverage Response Time: ≤1.40h
About Our Factory & Business Background
AddressWeifang, Shandong, China
Plant Area12800 square meters
Number of Employees37
Registered Capital6,000,000 RMB
Terms of PaymentLC, T/T, D/P, Western Union, PayPal, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Minimum Order Quantity1
Supply Chain Partners15
Our Production Capability & Technical Expertise
Main ProductsVessel Head,Dished Head,Hemispherical Head,Electric heating jacketed kettle,Gas heating jacketed kettle
Production Lines1
Production MachinesTube machine, Cutting machine, Punching press machine, Rotating press machine, Welding machine, Polishing machine
QA/QC inspectors1 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instruction but no written records
R&D Engineers2 people
Traceability of Raw MaterialsNo
Our Industry Experience & Global Business Record
Year of Establishment2014-03-05
Main MarketsDomestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff8
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:Do you provide overseas after-sales service?
A:
Yes, we offer 24/7 online support, global spare parts supply, and on-site service for bulk orders.
Q:Can the product specifications be customized?
A:
Absolutely. We support customization for diameter, thickness, pressure rating, and material according to customer drawings.
Q:What are the payment terms?
A:
Standard terms are T/T 30% deposit and 70% balance before shipment, though negotiable for long-term partners.
Q:Are samples available for testing?
A:
Sample orders are accepted; please contact us for details regarding sample availability and costs.
Q:What certifications does the product hold?
A:
Products are certified with CE, ISO, and ASME U Stamp, ensuring compliance with global pressure vessel standards.
Send Inquiry
*To:
Zhucheng Dongke Special Equipment Co., Ltd.
Zhucheng Dongke Special Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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