Do you provide test certificates with the shipment?

Yes, we provide EN 10204 3.1 Material Test Reports, Complete NDT documentation, and CE certificates with every shipment.

What is the minimum order quantity for standard and custom products?

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

How can I request a quote for a custom design?

Send us your drawing (PDF/DWG) or detailed dimensions, required material grade, standard, quantity, and desired delivery date for a quote within 24 hours.

Torispherical Welded Head for Non Corrosive Vessel Solutions

Name: Torispherical Welded Head for Non Corrosive Vessel Solutions
Brand: Zhucheng Dongke Special Equipment Co., Ltd.
SKU: 2168815842

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 shape, size, material, and surface finish to meet specific project requirements.

ASME & PED Certified: Compliant with ASME Section VIII Div.1 and PED 2014/68/EU standards for global export.

One-Piece Seamless Forming: Utilizes 2000T hydraulic press for seamless structure, eliminating crack risks associated with seams.

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

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

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

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: ≤2.21h

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 tank heads?

We offer full customization including shape (Elliptical, Hemispherical, Torispherical), diameter (100mm-5000mm+), thickness (2mm-50mm), material grades, and surface finishes.

Q:Which international standards do your products comply with?

Our products are designed according to ASME Section VIII Div.1, PED EN 13445, GB/T 25198, DIN, and JIS standards.

Q:What materials can be used for manufacturing these heads?

We supply Carbon Steel, Stainless Steel (304, 304L, 316, 316L), Alloy Steel, and Clad Steel options.

Q:How do you ensure the quality and safety of the pressure vessels?

Every head undergoes 100% Non-Destructive Testing (NDT) including X-Ray, Ultrasonic, and Hydrostatic tests, with full documentation provided.

Q:What is the lead time for production and delivery?

The lead time is typically 20-35 working days after order confirmation, depending on the season and order quantity.