Malleable Iron Union(Flat Seat) is a detachable fitting with both female threaded connections. It consists of a tail or male part, a head or female part, and a union nut, with flat seat.
The Model Union Fig 330 BSPT Flat Seat is a BS EN 10242 standard malleable iron Union Fig 330 BSPT with flat seat design, used for detachable sealed connection in European standard piping systems, making pipe inspection, disassembly and replacement easier.
Are you looking for a reliable, easy-maintenance pipe Union Fig 330 BSPT that meets European standards?
This flat seat Union Fig 330 BSPT is made by precision casting with uniform pressure-bearing flat seat, featuring firm connection, strong sealing and convenient assembly in light and ordinary hazard piping systems.
Offered in a full range of nominal sizes, it is widely used in EU commercial buildings, factories, residential areas, hotels and BS EN standard fire systems.
| SIZE | A (MM) | PCS/CTN. | |
| 3/8” | DN10 | 39 | 280 |
| 1/2” | DN15 | 46 | 180 |
| 3/4” | DN20 | 50 | 120 |
| 1” | DN25 | 56 | 88 |
| 1 1/4” | DN32 | 63 | 56 |
| 1 1/2” | DN40 | 68 | 36 |
| 2” | DN50 | 76 | 28 |
| 2 1/2” | DN65 | 83 | 12 |
| 3” | DN80 | 93 | 10 |
| 4” | DN100 | 113.5 | 6 |
① Inspection Schedule: Check sealing and threads quarterly; monthly in corrosive environments.
② Cleaning Method: Wipe surface and sealing area with soft cloth; do not use sharp tools.
③ Replacement Cycle: Replace after 15–20 years normal use, or immediately if sealing fails or threads are damaged.
Recommendation: Matching with EN series BS EN standard malleable iron fittings to build a fast-maintenance, stable and sealed European standard piping system.
OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.
The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.
After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.
All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.
Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.
Sales Inquiry:
Provide contact information for sales inquiries.
Email: [email protected]
Phone: +86 13012223295
If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:
Email: [email protected]