UL FM Approvals Flexible Coupling for Fire System

Material: QT450-12, ASTM A536, GRADE 65-45-12 ,etc.Standard: ASME, ANSI, DIN, JIS, ASTM, UNI, BS ,etc.Pressure: 300PSI, 500PSI, 750PSI, 1000PSI.Surface treatment: red painted, orange painted, galvanized, red spraied, orange spraied, dacromet, epoxy powder, epoxy, electroplate, galvanized+epoxy, etc.Applications: Industrial pipeline system on shipping ,mine, fire protection ,oil field,textile,powder plant,etc.Advantages:1. Low price,high quality & fast delivery & strict inspection .2. The fastest delivery3. The lowest price4. Most comprehensive standards and materials for your choice. 5.100% export.6. Our products EXPORT to Africa, Oceania, midle east, eastern Asia, Western Europe etc.1. Sepcification of Flexible couplingNominal sizemm/inPipe O.Dmm/inWork PressureMPa/psiDimension mmBolt/NutABC11.3153009860452-M10*501¼1.6630011069452-M10*501½1.930011873452-M10*5022.37530012490452-M10*502½3300138100452-M10*5033.5300154120462-M10*5544.252300186148482-M12*6544.5300190149482-M12*6555.25300216171482-M12*6555.5300217176482-M12*6566.26300240196482-M12*7566.5300245202482-M12*7566.625300250206482-M12*7588.625300320258562-M16*851010.75300390316582-M20*951212.75300446366602-M20*110