4 Inch Flange

"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for 4 Inch Flange, Stainless Steel Closet Flange , Essex Flange , Carbon Steel Welding Neck Flange , Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details. Our products are greatly recognized and trustworthy by users and will fulfill continually shifting economic and social requires for 4 Inch Flange, Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!


  • Popular Design for T6 Turbo Flange - Plate Flange – Puyang

    Popular Design for T6 Turbo Flange - Plate Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS In many applications, engineers need to find a way to close off a chamber or cylinder in a very secure fashion, usually because the substance inside must differ from the substance ...
  • Good Quality Stainless Steel Flange - Slip-on Flange – Puyang

    Good Quality Stainless Steel Flange - Slip-on Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS Introduction Slip on flange, also called SO flange. It’s a kind of flange slides over the pipe with internal design is slightly larger than the pipe. Since the inner diameter...
  • China Factory for Flange Joint - Threaded Flange – Puyang

    China Factory for Flange Joint - Threaded Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS Introduction Threaded flange is connecting with pipe without welding. It is similar to slip on flange or a socket weld flange, fitted with a tapered thread (screw) inside the flang...
  • Cheap PriceList for Pn16 Stainless Steel Flanges - Figure 8 Blank Flange – Puyang

    Cheap PriceList for Pn16 Stainless Steel Flanges - Figure 8 Blank Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS In many applications, engineers need to find a way to close off a chamber or cylinder in a very secure fashion, usually because the substance inside must differ from the substance ...
  • Discountable price Tongue And Groove Flange - Threaded Flange – Puyang

    Discountable price Tongue And Groove Flange - Threaded Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS Introduction Threaded flange is connecting with pipe without welding. It is similar to slip on flange or a socket weld flange, fitted with a tapered thread (screw) inside the flang...
  • One of Hottest for Socket Weld Flange - Figure 8 Blank Flange – Puyang

    One of Hottest for Socket Weld Flange - Figure 8 Blank Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS In many applications, engineers need to find a way to close off a chamber or cylinder in a very secure fashion, usually because the substance inside must differ from the substance ...
  • 2021 Good Quality Stainless Steel Plate Flange - Threaded Flange – Puyang

    2021 Good Quality Stainless Steel Plate Flange - Threaded Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS Introduction Threaded flange is connecting with pipe without welding. It is similar to slip on flange or a socket weld flange, fitted with a tapered thread (screw) inside the flang...
  • Big discounting Flange Spigot - Welding-neck Flange – Puyang

    Big discounting Flange Spigot - Welding-neck Flange – Puyang

    Size 1/2″-60″(DN12-DN1500) Rating 150#, 300#, 400#, 600#, 900#, 1500#, 2500# Standard ANSI/ASMEB16.5, B16.47, B16.36, B16.48.BS4504, BS3293, MSSSP44, AWWA, EN1092-1, DIN, JIS2220, GB T9112-9124, GB/T 20592-2009, SH406, JB/T, GB/T 20615-2009, GB/T 2506-2005, JB/T 4703-2000 Certificate ABS; TUV; TS; CCS Introduction Welding neck flange have two forms (shapes), one with reducing neck as we called reducing weld neck flange; One with a even diameter of typical long neck named as lon...