News
- How to tighten flange bolts？2024-11-20
- Introduction to S235JR PN16 DIN 2527 blind flange2024-11-18
- DIN2576 PN10 S235JR PL flange: A key component in piping systems2024-11-15
- Recent order of A105 flange products for a Singapore client2024-11-06
- Quality inspection of DIN-2633 EN-P250GH WN flange for Libyan customer2024-11-05
- The Libyan customer ordered DIN-2633 EN-P250GH WN flanges2024-11-04
- Introduction to ASME B16.5 RF A105 SO flanges for Brazilian client order2024-10-29
- Haihao Group welcomes you to visit us at ADIPEC in Abu Dhabi2024-10-28
- Introduction to the 1″-150 RF blind flange with handle (A350 Gr. LF2) for Russian client2024-10-25
- What is ASME B16.47 Series A blind flange?2024-10-23
- Structure types of spiral wound gaskets and applicable flange sealing faces2024-10-22
- Evolution, standards and applications of spiral wound gaskets2024-10-21
- What is ASME B16.20 spiral wound gasket?2024-10-18
- Introduction of high quality austenitic stainless steel 254SMO2024-10-17
- Haihao Group produces hot-dip galvanized S235JR swivel flange for Danish client2024-10-16
- What is IX seal ring for compact flanges？2024-10-15
- ISO 27509 ASTM A694 GR. F65 Compact WN Flange : Haihao Group’s Expertise in supplying high-performance flanges2024-10-14
- Factors influencing tube sheet corrosion2024-10-11
- Welding and expansion method for connecting heat exchanger tube sheets and tubes2024-10-10
- Welding connection between heat exchanger tube sheets and tubes2024-10-09