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High Pressure Hemispherical Head for Storage Vessel
US$20.00-9,999.00
100 Pieces
Sample price:US$100.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
After-Sales Service: Lifetime Technical SupportWarranty
After-Sales Service: Lifetime Technical SupportModel NO.
DK-FT-10Function
Storage Pressure Vessel, Separation Pressure Vessel, Heat Pressure Vessel, Reaction Pressure VesselApplication
LiquidMaterial
Stainless SteelPressure
1.6MPa≤p<10.0MPaStorage Medium
Moncombustible/NontoxicPressure Level
Medium Pressure (1.6MPa≤p<10.0MPa)Condition
NewStandard
ASME / GB / DINHead Type
Hemispherical HeadWall Thickness
300mm-3000mm (Customizable)Surface Treatment
Polished / Pickling PassivationDesign Life
20 YearsConnection Type
WeldedCertification
ISO9001, ASME U StampMOQ
1 PieceLead Time
10-30 Days (Custom)Payment Term
T/T, L/CPackaging Details
Wooden Case / PalletPort of Loading
Qingdao PortTesting Item
Pressure Test, Ultrasonic Flaw DetectionProduct Feature
Uniform Stress, Long Service LifeSupply Capacity
5000-10000 Pieces Per MonthTransport Package
Customized According to Customer RequirementsSpecification
Custom diameter & thickness, OEM availableTrademark
DongkeOrigin
Zhucheng, Shandong, ChinaHS Code
7326901900Production Capacity
10000Key features
The hemispherical structure distributes stress evenly and avoids stress concentration, perfectly serving long-term working conditions of high-pressure storage tanks
It bears twice higher pressure than ordinary heads with identical size and wall thickness, greatly boosting high-pressure sealing safety
Optimized material structure saves more steel materials than elliptical heads and cuts your raw material purchase cost
Uniform overall wall thickness, formed by precision spinning, enabling tight seamless connection with tank cylinder
Available in carbon steel, SS304, SS316L and alloy steel, featuring outstanding acid, alkali and corrosion resistance
Manufactured in accordance with ASME & domestic pressure vessel standards, full non-destructive testing with complete official certifications
Custom service for large diameter, split joint and non-standard sizes, customized production based on your technical drawings
Resist extreme high and low temperature, suitable for storing LPG, chemical materials and other high-risk pressurized medium
Anti-deformation and anti-fatigue structure prolong service life and reduce your long-term maintenance expenses
Direct factory manufacturing without middlemen markup, abundant finished stock guarantees steady delivery schedule
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: ≤1.39h
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:Why are hemispherical heads suitable for high-pressure storage tanks?
A:
Hemispherical structure has uniform stress distribution, no stress concentration. It bears higher pressure than elliptical and dished heads, very safe for high pressure working conditions.
Q:What materials can you produce hemispherical heads with?
A:
We have carbon steel, SS304, SS316L and alloy steel. They are corrosion resistant and suitable for chemical and high temperature environments.
Q:What international standards do your heads follow?
A:
Our products meet GB Chinese standard and ASME international standard, with complete non-destructive inspection reports.
Q:Do you accept customized size and large diameter orders?
A:
Yes, we support customized production according to customer drawings, including extra large split hemispherical heads.
Q:What forming technology do you use?
A:
We adopt cold pressing and cold spinning integral forming. Extra-large diameter hemispherical heads adopt split welding process, with uniform and stable wall thickness.
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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