Customization: | Available |
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Head Code: | Round |
Thread Distribution: | Internal Thread |
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Code:331
Size: 1/2''-2''
Material: BS EN 1562,EN-GJMB-350-10,KTH350-10
Dimension: BS EN 10242
Thread: ISO 7-1,BS 21,BSPT
Pressure Rating: PN16/PN25
Surface Treatment:Hot-dip Galvanized,Electro Galvanized,Black
Certificate: UL Listed / FM Approved / NSF 61
Application: Fire Protection,Waterworks,HVAC,Plumbing,GAS,Irrigation,or other piping systems
Malleable Iron 331 Flat Seat Union M/F. Flat seat union M/F is a special way of connecting pipe fittings, it is a flat seat union with one end of internal threaded and the other end is external threaded.
Size | L(mm) | PCS/CTN. |
1/2" | 64 | 140 |
3/4" | 70 | 120 |
1" | 78 | 80 |
1-1/4" | 88 | 40 |
1-1/2" | 93 | 32 |
2" | 104 | 20 |
The black and galvanized fittings we produced are both UL (Underwriters Laboratories) and FM (Factory Mutual Insurance Company) approved. FM/UL has an independent testing facility where products are tested to make sure they meet the highest level of standards for safety and property loss prevention. No matter EN standard or ASME, as long as the product can pass the strict test in the laboratory, it can obtain FM/UL certificate.