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GB/HG Flanges

High Quality GB/HG Slip on Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Plate Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Welding Neck Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Loose Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Socket Welding Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Blind Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Orifice Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Threaded Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Lap Joint Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...
High Quality GB/HG Long Welding Neck Flanges
Material A105, A350LF2 ,A694, RST37.2 S235JR;S275JR;S355JR;S420NL;S460NL;P245GH;P250GH;P265GH;P280GH;S355GH;C45(E);42CrMo4;34CrNiMo6;080M15;etc. A182F1,A182F304,A182F304L,A182F316,A182F316L,etc. Size 1/4"-144'' , Dia 73mm-6500 mm Protective Coating...

China GB/HG Flanges Suppliers

 In strict accordance with ISO 9001:20015 and GB/HG Flanges;
    1.Make process card and quality plan
    2.Choose the qualified raw material and do incoming test, not allowed      
     nonconforming material to enter into production process;
    3.Producing and testing followed the quality documents 
    4.Be good at Quality records and product identification to ensure the product 
    traceability
    5.Do the final inspection to ensure 100% of pass.
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