heavy duty flexible grooved coupling ductile iron dn25-600
grooved pipe fittings suppliers in china: heavy duty flexible grooved coupling ductile iron dn25-600
Pressure rating: 1mpa-6.5mpa, 175psi-500psi
Standard: GB 5135.11, AWWA C606, ISO 6182 etc
Size available: DN25-DN600, 1″-24″
Material: ductile iron/qt450-10
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