Water Oil Gas Industrial SUS304 Stainless Steel ASME Certified Seamless Dished End Caps for Sale
Water Oil Gas Industrial SUS304 Stainless Steel ASME Certified Seamless Dished End Caps for Sale
1.Advantages of Dished End Caps from Henan Guojian Precision Formed Head Co., Ltd.
(1)Compact & Stable Design: One-piece cold-formed construction without welded splices. Compared to traditional assembled end caps, it is 20% lighter and structurally more stable.
(2)High Dimensional Accuracy: Dimensional tolerance ≤ ±0.8 mm and concentricity ≤ ±0.5 mm, ensuring precise alignment with molecular sieve tanks and pipelines, minimizing assembly gaps.
(3) Corrosion-Resistant & Clean: 304L,316L stainless steel with natural oxide film resists weak acids, alkalis, and common gases. Low residue and easy to clean, meeting gas purification cleanliness standards.
2. Quality Assurance:
(1)Certified Compliance: Manufactured in accordance with ASME BPVC Sec. VIII Div. 1, PED 2014/68/EU, and GB/T 25198-2023, with complete industry certifications to meet molecular sieve equipment requirements.
(2)Quality Inspection: Our factory implements rigorous quality control for pipe end cap. Key inspection items include the upper and lower outer circumferences, inner and outer diameters of the upper and lower openings, average dimensions, roundness tolerance, thickness tolerance, shape tolerance, and overall external height. Each part is carefully measured to ensure compliance with design specifications, guaranteeing precise fit, structural integrity, and reliable performance.
3. Specifications of Dished End Caps:
| Specifications for Main Size of Dished End Caps (Various Size of Mold in Our Factory) | ||||
| NPS/Inch | OD |
SCH10 |
SCH20 | SCH40 |
| 2inch (DN50) | 60.3mm | 2.77mm | 3.05mm | 6.02mm |
| 3inch(DN80) | 88.9mm | 3.05mm | 3.05mm | 7.11mm |
| 4inch(DN100) | 114.3 | 3.05mm | 3.05mm | 6.02mm |
| 6inch(DN15) | 168.3 | 3.05mm | 3.05mm | 7.11mm |
| 8inch(DN200) | 219.1mm | 3.05mm | 3.05mm | 8.18mm |
| 12inch(DN300) | 323.9mm | 3.05mm | 3.05mm | 10.97mm |
4. Why Choose Us?
(1) Compliance: GB/T 25198-2023, ASME BPVC Sec.VIII Div 1
(2) Certifications: ISO 9001:2015, ISO 14001:2015, ASME "U" Stamp approval
5. Related Other Products From Our Factory:
(1) Elliptical Head
(2) Torispherical Head
(3) Polished Mirror Head
(4) Conical Head
(5) Flat Head
(6) Pressure Vessel & Tank Head
(7) Customization Accepted
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.




