union flat seat：
Dimensions: BS143/1562, EN10242, ANSI/ASME B 16.3, ASME B 16.14, ASME B 16.39
Connection: jointing threads, sealing on the threads
Usage: Sprinkler Systems, Chilled/Heating Water, Natural Gas, Compressed Air, Hot Water & Steam, Fuel Transfer.
Model: The equal and reducing Elbow,Tee,Cross,Sockets,Nipple,Union etc.
Materials: Fittings: white heart malleable cast iron acc. to EN 1562, ASTM/ASME A197, ASTM A47;
Surface: galvanized or black;
Threads: external R and internal Rp acc. To EN 10226, ANSI/ASME B1.20.1
Max Working Pressure: Standard Fittings
25 Bar (-20ºC to 120ºC), 120ºC - 300ºC (interpolated values), 20 Bar (300ºC)
Working Temperature: Minimum -20ºC to maximum 300ºC
Coating: Galvanized, Black
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