|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| After-sales Service: | Provide Uninterrupted After-Sales Service |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency




Category | Model | Specifications & Properties | Application Scenarios |
Slip-On Flange (SO) | SO-DN15-PN10SO-DN50-PN16SO-DN100-PN25 | Material: Carbon Steel (Q235B), Stainless Steel (304/316)Pressure Rating: PN10 (1.0MPa), PN16 (1.6MPa), PN25 (2.5MPa)Nominal Diameter (DN): 15mm-100mmSealing Face: RF (Raised Face)Standard: GB/T 9119-2010, ANSI B16.5Connection Type: Slip-on welding | Water supply and drainage systems, heating pipelines, general industrial pipelines with low to medium pressure (such as chemical, food, and pharmaceutical industries). |
Weld Neck Flange (WN) | WN-DN150-PN40WN-DN200-PN63WN-DN300-PN100 | Material: Carbon Steel (20#), Stainless Steel (316L), Alloy Steel (15CrMoV)Pressure Rating: PN40 (4.0MPa), PN63 (6.3MPa), PN100 (10.0MPa)Nominal Diameter (DN): 150mm-300mmSealing Face: RTJ (Ring Type Joint), RFStandard: GB/T 9112-2010, ASME B16.5Connection Type: Butt welding | High-pressure and high-temperature pipelines, petrochemical industry, power plants (steam pipelines), oil and gas transmission pipelines, and other harsh working condition systems. |
Blind Flange (BL) | BL-DN25-PN10BL-DN80-PN16BL-DN250-PN40 | Material: Carbon Steel (Q235A), Stainless Steel (304), Alloy SteelPressure Rating: PN10, PN16, PN40Nominal Diameter (DN): 25mm-250mmSealing Face: RF, FF (Flat Face)Standard: GB/T 9113-2010, DIN EN 1092-1Function: Seal pipe ends | Pipeline maintenance, temporary closure of equipment interfaces, chemical reaction vessels, water treatment tanks, and systems that need to be opened and inspected regularly. |
Socket Weld Flange (SW) | SW-DN10-PN16SW-DN32-PN25SW-DN65-PN40 | Material: Stainless Steel (304/316), Carbon SteelPressure Rating: PN16, PN25, PN40Nominal Diameter (DN): 10mm-65mmSealing Face: RFStandard: GB/T 9114-2010, ANSI B16.5Connection Type: Socket welding | Small-diameter pipelines, precision instrument pipelines, hydraulic systems, pneumatic systems, and industrial equipment with small flow and high sealing requirements (such as electronic and automotive industries). |





