What standards do your products comply with?

Our heads comply with ASME Section VIII Div.1, PED EN 13445, GB/T 25198, DIN, and JIS standards.

Can you handle complex custom designs?

Yes, our team reviews detailed drawings (PDF/DWG) and provides quotations within 24 hours for both standard and complex custom designs.

X Ray Tested Hemispherical Head for Portable Tank Solutions

Name: X Ray Tested Hemispherical Head for Portable Tank Solutions
Brand: Zhucheng Dongke Special Equipment Co., Ltd.
SKU: 2173637612

Shandong, ChinaZhucheng Dongke Special Equipment Co., Ltd.

US$20.00-35.00

1 Piece

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Certification

CE, ISO, GB

Customized

Model NO.

DN-1900

Surface Treatment

Natural

Fuel

None

Range of Applications

Power station, Industrial

Type

Boilers Head

Product Type

Boiler Head / Pressure Vessel Head

Head Shape

Elliptical / Hemispherical / Torispherical (Dished

Material

Carbon Steel /Stainless Steel/ Alloy Steel

Nominal Diameter (DN)

Customized

Wall Thickness

2mm-50mm / Customized (Range: 1-100mm)

Surface Finish

Mill Finish / #4 Satin Polish / Mirror Polish / SA

Manufacturing Process

Hot Stamping / Cold Spinning / Welded (Segmented)

Edge Processing

Beveled Welding Edge / Plain Edge

Packaging

Plywood Box / Steel Frame / Wooden Pallet / Nude P

Minimum Order Quantity

1 Piece (Standard) / Negotiable (Custom)

Pressure Rating

Medium Pressure (1.6MPa ≤ P < 10.0MPa) / High Pres

Inspection Test

Hydrostatic Test / X-ray Radiography / Ultrasonic

Heat Treatment

Normalized / Stress Relieved / Quenched & Tempered

Design Standard

ASME / PED En 13445 / GB/T 25198 / DIN / JIS

Straight Flange Height

25mm-50mm / Customized

Transport Package

Subject to Order Quantity

Specification

Subject to order quantity

Trademark

Dong Ke

Origin

China

HS Code

7326909000

Production Capacity

200/Day

Key features

Full Customization Options: Customizable shapes, sizes, materials, and surface finishes to meet specific project requirements.

Comprehensive NDT Testing: 100% X-ray radiography, ultrasonic testing, and hydrostatic testing with full documentation provided.

One-Piece Seamless Forming: Advanced hydraulic spinning creates seamless heads with superior structural integrity and no weld seams.

Wide Material Selection: Available in Carbon Steel, Stainless Steel 304/316L, Alloy Steel, and Clad Steel grades.

International Certifications: ASME U Stamp, PED 2014/68/EU, ISO 9001:2015, and EN 10204 3.1 material test reports.

Fast Quotation Service: Custom design drawings reviewed and quoted within 24 hours by our engineering team.

Global Shipping Capability: Safe worldwide delivery via FCL/LCL from Qingdao Port with competitive freight rates.

Company profile

R&D Capabilities100% Finished Products InspectionODM ServicesQuality Assurance

Zhucheng Dongke Special Equipment Co., Ltd.

Shandong, China

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: ≤2.31h

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:What customization options are available?

We offer full customization including elliptical, dished, and hemispherical shapes, DN300-DN6000 diameters, various material grades, and surface finishes like mirror polish or mill finish.

Q:What materials are used for these tank heads?

Our products are manufactured using Carbon Steel, Stainless Steel (304, 304L, 316, 316L), Alloy Steel, and Clad Steel to ensure durability and corrosion resistance.

Q:Do you provide test certificates?

Yes, every shipment includes EN 10204 3.1 Material Test Reports, complete NDT documentation (X-Ray, UT, PT, MT), and hydrostatic test certificates.

Q:What are the minimum order quantities?

The minimum order quantity is 1 piece for standard items, and custom orders are negotiable based on specific requirements.

Q:How do you ensure product quality?

We use a 6-step quality process including XRF raw material inspection, CNC cutting, one-piece spinning, and 100% non-destructive testing (NDT).