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Ductile iron grooved pipe fittings and couplings (FM and UL approved)mainly including two kinds of grooved products:(1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange,(2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer.1. Type: Grooved Elbow, tee, cross, reducer, cap, grooved coupling, mechanical tee, mechanical cross, flange adaptor …2. Material: Ductile Iron, ASTM A536, Grade 65-453. Certificates: FM & UL & CE4. Pressure rate: 1.6MPA &2.5MPA or 300PSI – 750PSI5. Connect type: Grooved-thread end & grooved end6. Size: 1"-16"7. Finish: Paint, Epoxy or Galvanization8. Packaging: Wooden cases or pallets or as per customers’requirement9. Delivery Time: 25 days after order conformed10.Payment: By T/T or L/C11. Applications range:1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying etc2) Industrial pipeline system on shipping, mine, oil field, textile, powder plant etc3) Pipeline system on subway station, railway station, airport, seaport, bridge et