Welwin Pipes & Fittings is a dynamic group, which was established over a decade ago to cater to growing demands of ASME B16.11 Threaded 90° Elbow standards in Elbows, Tee, Cross, Reducers, Nipple , Coupling etc in all materials like Stainless Steel , Carbon Steel & High Nickel Alloys. We Manufacture, Export and Supply Threaded (THD) Fittings which meets with national and international quality standards and producing base which owns equipments conforming to international technical level and is well equipped with a whole set of advanced plasma refining equipments.
We manufacture all 3 groups of Fittings such as Buttweld (BW) fittings, Socket Weld (SW) fittings & Threaded (THD) Fittings as per ASME B16.11 standards & other International standards. We export our high quality ASME B16.11 Threaded 90° Elbow to Kuwait, Egypt and Qatar.
Stainless Steel ASME B16.11 Threaded 90° Elbow | Carbon Steel ASME B16.11 Threaded 90° Elbow | Nickel Alloys ASME B16.11 Threaded 90° Elbow
Size : 1/4" to 4"
Class : 3000 LBS, 6000 LBS, 9000 LBS
Type : Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
Form : Elbow, Tee, Nipple, Coupling, Plug, Socket, Bushing, Union, Weldolet, Sockolet, Threadolet
Dimension: ASME / ANSI B16.11
Specification: ASTM A182
Material and Grades:
Carbon Steel:
ASTM A234 Gr. WPB
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
Stainless Steel:
ASTM A403 WP316/316L
ASTM A403 WP304/304L
ASTM A182 F316L, 304L
VALUE ADDED SERVICES
Hot Dip Galvanizing
Electro polish
Dimensions of Threaded elbow 90° - NPS 1/2 to 4 - 2000 LBS - ASME B16.11
| NPS | Minimum Length of Thread |
Outside Diameter of Band |
Minimum Wall Thickness |
Center to End | ||
| B | J | D | G | 90° A |
45° C |
|
| 1/2 | 10.9 | 13.6 | 33 | 3.18 | 28 | 22 |
| 3/4 | 12.7 | 13.9 | 38 | 3.18 | 33 | 25 |
| 1 | 14.7 | 17.3 | 46 | 3.68 | 38 | 28 |
| 1¼ | 17 | 18 | 56 | 3.89 | 44 | 33 |
| 1½ | 17.8 | 18.4 | 62 | 4.01 | 51 | 35 |
| 2 | 19 | 19.2 | 75 | 4.27 | 60 | 43 |
| 2½ | 23.6 | 28.9 | 92 | 5.61 | 76 | 52 |
| 3 | 25.9 | 30.5 | 109 | 5.99 | 86 | 64 |
| 4 | 27.7 | 33 | 146 | 6.55 | 106 | 79 |
Dimensions of Threaded elbow 90° - NPS 1/2 to 4 - 3000 LBS
- ASME B16.11
| NPS | Minimum Length of Thread |
Outside Diameter of Band |
Minimum Wall Thickness |
Center to End | ||
| B | J | D | G | 90° A |
45° C |
|
| 1/2 | 10.9 | 13.6 | 38 | 4.09 | 33 | 25 |
| 3/4 | 12.7 | 13.9 | 46 | 4.32 | 38 | 28 |
| 1 | 14.7 | 17.3 | 56 | 4.98 | 44 | 33 |
| 1¼ | 17 | 18 | 62 | 5.28 | 51 | 35 |
| 1½ | 17.8 | 18.4 | 75 | 5.56 | 60 | 43 |
| 2 | 19 | 19.2 | 84 | 7.14 | 64 | 44 |
| 2½ | 23.6 | 28.9 | 102 | 7.65 | 83 | 52 |
| 3 | 25.9 | 30.5 | 121 | 8.84 | 95 | 64 |
| 4 | 27.7 | 33 | 152 | 11.18 | 114 | 79 |
Dmensions of Threaded elbow 90° - NPS 1/2 to 4 - 6000 LBS -
ASME B16.11
| NPS | Minimum Length of Thread |
Outside Diameter of Band |
Minimum Wall Thickness |
Center to End | ||
| B | J | D | G | 90° A |
45° C |
|
| 1/2 | 10.9 | 13.6 | 46 | 8.15 | 38 | 28 |
| 3/4 | 12.7 | 13.9 | 56 | 8.53 | 44 | 33 |
| 1 | 14.7 | 17.3 | 62 | 9.93 | 51 | 35 |
| 1¼ | 17 | 18 | 75 | 10.59 | 60 | 43 |
| 1½ | 17.8 | 18.4 | 84 | 11.07 | 64 | 44 |
| 2 | 19 | 19.2 | 102 | 12.09 | 83 | 52 |
| 2½ | 23.6 | 28.9 | 121 | 15.29 | 95 | 64 |
| 3 | 25.9 | 30.5 | 146 | 16.64 | 106 | 79 |
| 4 | 27.7 | 33 | 152 | 18.67 | 114 | 79 |
Types of ASME B16.11 Threaded Fittings :
Packaging: ASTM A105 Weldolets Flanges is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.
Prevent any damage.
During transportation items are tagged, packed in plastic bags and closed in carton boxes or seaworthy wooden cases.
plywood case,pallet and according to customer's requirment
Marking: ASTM A105 Weldolets Flanges are marked with alloy name, outside diameter, wall thickness and heat number. Additional information like standard and alloy numbers can be added on request.
Stainless Steel ASME B16.11 Threaded 90°
Elbow
Carbon Steel ASME B16.11 Threaded 90°
Elbow
Duplex & Super duplex Steel ASME B16.11 Threaded 90° Elbow
Nickel Alloy ASME B16.11 Threaded 90°
Elbow
Inconel ASME B16.11 Threaded 90° Elbow
Incoloy ASME B16.11 Threaded 90° Elbow
Hastelloy ASME B16.11 Threaded 90° Elbow
Monel ASME B16.11 Threaded 90° Elbow