Welcome to DTC Industrial– Professional Manufacturer & Global Suppliersales@dtcflowtech.com
Welcome to DTC Industrial– Professional Manufacturer & Global Suppliersales@dtcflowtech.com
+86 136 9895 5587
No. 495, West Guang-Shen Avenue, Xintang Town, Zengcheng District, Guangzhou, Guangdong, China
| Product | Size Range | Standard | Pressure Class (ASME) | Pressure Rating (PN / EN) | Material | Grades | Facing |
|---|---|---|---|---|---|---|---|
| Blind Flange | ASME, EN & JIS Standard | 1/2" - 60" and customized | — | Class 150 - Class 2500 | PN6 - PN100 | — | — | RF, FF, RTJ |
| Lap Joint Flange | ASME B16.5 Loose Flange | NPS 1/2" - 24" (larger sizes available) | ASME B16.5, EN 1092-1, JIS B2220 | Class 150, 300, 600, 900, 1500, 2500 | PN6, PN10, PN16, PN25, PN40 | Carbon Steel, Stainless Steel, Alloy Steel | ASTM A105, A182 F304/F316 | RF, FF, RTJ |
| Long Weld Neck Flange | ASME B16.5 LWN Flange | NPS 1/2" - 60" (depending on standard) | ASME B16.5 / ASME B16.47 / Customer Requirements | Class 150, 300, 600, 900, 1500, 2500 | — | Carbon Steel, Stainless Steel, Alloy Steel | ASTM A105, A350 LF2, A182 F304/F316 | RF, FF, RTJ |
| Slip-On Flange | ASME B16.5 SO Flange | NPS 1/2" - 24" (larger sizes available) | ASME B16.5, EN 1092-1, JIS B2220 | Class 150, 300, 600, 900, 1500, 2500 | PN6, PN10, PN16, PN25, PN40 | Carbon Steel, Stainless Steel, Alloy Steel | ASTM A105, A182 F304/F316, etc. | RF, FF, RTJ |
| Socket Weld Flange | ASME B16.5 SW Flange | NPS 1/2" - 4" (larger sizes available upon request) | ASME B16.5, EN 1092-1, JIS B2220 | Class 150, 300, 600, 900, 1500, 2500 | — | Carbon Steel, Stainless Steel, Alloy Steel | ASTM A105, A182 F304/F316 | RF, FF, RTJ |
| Threaded Flange | NPT & BSP Screwed Flange Supplier | 1/2" - 4" (larger sizes available upon request) | — | Class 150 - Class 600 | PN10 - PN40 | — | — | RF, FF |
| Weld Neck Flange | ASTM A182, ASME B16.5 & EN Standard | 1/2" - 60" and customized | — | Class 150 - Class 2500 | PN6 - PN100 | — | — | RF, FF, RTJ |
Full technical catalogs with dimensional tables, standards and material grades.
DTC-BL-SS/CS Series
DTC‑TH-SS/CS Series
DTC‑LWN‑SS/CS Series
DTC-LJ-SS/CS Series
DTC-SW-SS/CS Series
DTC‑WN-SS/CS Series
DTC-SO-SS/CS Series
Tel: +86 136 9895 5587
E-mail: sales@dtcflowtech.com
| Question | Answer |
|---|---|
| What flange types can you supply? | Seven types: Weld Neck, Long Weld Neck, Slip-On, Socket Weld, Threaded, Blind and Lap Joint flanges, each with its available ranges listed in the table above. |
| What size range do you cover? | NPS 1/2" to 60" depending on type: Weld Neck, Long Weld Neck and Blind up to 60" and custom sizes; Slip-On and Lap Joint up to 24"; Socket Weld up to 4"; Threaded 1/2" to 4". Larger sizes are available on request. |
| Which pressure ratings and standards do you support? | ASME Class 150 to 2500 and PN6 to PN100 (EN), manufactured to ASME B16.5, ASME B16.47, EN 1092-1 and JIS B2220. |
| What materials and grades are available? | Carbon Steel, Stainless Steel and Alloy Steel. Typical grades: ASTM A105, A350 LF2 and A182 F304 / F316. |
| What facing types are available? | RF (Raised Face), FF (Flat Face) and RTJ (Ring Type Joint). Threaded flanges are offered in RF and FF. |