What is the minimum order quantity?

The minimum order quantity is 1 piece for standard items, and negotiable for custom orders.

How do you ensure the quality of the vessel heads?

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

Hemispherical Pressure Vessel Head for Transportation Grade Applications

Name: Hemispherical Pressure Vessel Head for Transportation Grade Applications
Brand: Zhucheng Dongke Special Equipment Co., Ltd.
SKU: 2173606892

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 (Elliptical, Hemispherical, Torispherical) and sizes (DN300-DN6000).

Premium Material Grades: Available in Carbon Steel, Stainless Steel 304/316L, and Clad Steel for corrosion resistance.

Comprehensive NDT Testing: 100% inspection including X-Ray Radiography, Ultrasonic, and Hydrostatic tests with full documentation.

Global Certification Compliance: Meets ASME Section VIII, PED EN 13445, GB/T 25198, and DIN standards with EN 10204 3.1 reports.

Fast Response to Quotes: Detailed quotes provided within 24 hours upon submission of drawings or dimensions.

Flexible MOQ: Minimum Order Quantity starts at 1 piece for standard items, with negotiable terms for custom orders.

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: ≤1.68h

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 for the vessel heads?

We offer full customization including shape (Elliptical, Hemispherical, Torispherical), diameter (DN300-DN6000), wall thickness (2mm-50mm), material grade, and surface finish.

Q:What materials are used for these pressure vessel heads?

We supply Carbon Steel, Stainless Steel (304, 304L, 316, 316L), and Clad Steel, all certified for anti-rust and anti-corrosion performance.

Q:Do you provide test certificates for the products?

Yes, every shipment includes EN 10204 3.1 Material Test Reports and a complete NDT documentation package covering X-Ray, Ultrasonic, and Hydrostatic tests.

Q:What are the applicable design standards for your heads?

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

Q:Can you accept custom drawings for manufacturing?

Yes, we accept PDF or DWG drawings. Our team reviews your design and provides a detailed quote within 24 hours.