| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint, Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Lap Joint, Companion |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 40, 64, 100, 160, 25, 150 Lbs, Pn 6, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300 |
| Size | 48″ (1200nb) Dn10~dn5000, 1/2″ (15 Nb), 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Lap Joint Face (ljf), Ring Type Joint (rtj), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove, Raised Face (rf), Large Male Female (lmf), Small Tongue, Groove, Small Male Female (smf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Tongue & Groove |
Weld Neck Flanges Manufacturer In India for Oil & Gas Refineries and High Pressure Piping Industries
Nitech Stainless Inc is a Weld Neck Flanges manufacturer that manufactures flanges that are precision engineered to fit high pressure and high temperature piping systems. Tapered hub allows the smooth conversion of stress on flange to pipe, thus enhancing the integrity of the weld and minimizing turbulence in the flow path. The individual flanges are made of highly chosen alloy grades and stainless steel to enhance the corrosion resistance, dimensional and structural voltage over the portion of time. The smooth bore ensures steady flow and strict quality control is made so that it does not leak in the harsh industrial settings.
Product Grade & Specification Table
| Material | Standard (Common) | Pressure Class | Size Range | Facing Type | Finish | Typical Application |
|---|---|---|---|---|---|---|
| Carbon Steel | ASTM A105 / ASME B16.5 | Class 150 – 2500 | ½” – 48” | RF / RTJ | Black / Coated | Refineries, Petrochemical, Oil & Gas |
| Low Temp Carbon Steel | ASTM A350 LF2 | Class 150 – 1500 | ½” – 24” | RF / RTJ | Coated | Cryogenic & low-temperature systems |
| Alloy Steel | ASTM A182 F11/F22 | Class 300 – 2500 | ½” – 36” | RF / RTJ | Black / Coated | High temperature & high pressure |
| Stainless Steel | ASTM A182 F304/316 | Class 150 – 2500 | ½” – 48” | RF / RTJ | Machined | Corrosive & marine environments |
| Duplex / Super Duplex | ASTM A182 F51/F55 | Class 300 – 1500 | ½” – 24” | RF / RTJ | Machined | Offshore, desalination, chemical exposure |
| Nickel Alloy | ASTM B564 (Alloy 400/625) | Class 150 – 600 | ½” – 12” | RF / RTJ | Machined | Marine & chemical process plants |
Key Features
- Application Scope: Weld Neck Flanges are common where there are petrochemical piping, power stations, offshore platforms, refinery units, LNG system and industrial process lines that require high strength welded joints.
- Structural Design: The long tapered hub forms facilitate the stress flow between flange and pipe, less turbulence, and eliminates erosion at the weld region.
- Material Grades: Materials are available in the Carbon Steel, Low Temp, Stainless Steel (304/316) depending on process media and temperature, as well as Duplex, Super Duplex, Alloy Steel and Nickel Alloys.
- Technical Attributes:
- Withstands high-pressure and high temperature.
- Welded connection which is airtight.
- ANSI compatible with ASME Standards and API Standards
- Best suited to cyclic pressure & thermal variation.
- Other Alternatives: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), custom machining, NACE compliance, and anti-corrosion coating depending on application end use.
Weld Neck Flanges Clients Project
| Product Supplied | Quantity | Industry / Facility | Location (India) |
|---|---|---|---|
| SS 316 Weld Neck Flanges Class 300 | 121 Pieces | Offshore Platform | Mumbai |
| CS ASTM A105 Weld Neck Flanges Class 600 | 182 Pieces | Petrochemical Refinery | Vadodara |
| Alloy Steel F22 Weld Neck Flanges Class 900 | 94 Pieces | Power Generation Unit | Chennai |
| Duplex F51 Weld Neck Flanges Class 150 | 159 Pieces | Desalination Plant | Jamnagar |
These flanges find extensive industry application in global b2b trade with refineries, petrochemical plants, offshore platforms, power generation and heavy process industries where safety and uptime are critical. The compatibility to international standard, simplicity in fabrication, and reliable service life even in case of cyclic loading and thermal fluctuations are valued by the customers. Our weld neck flanges are a strong, time-tested product with great weldability and very low maintenance requirements; whether you are renovating existing lines or installing new ones. We also suggest our high quality Slip On Flanges of the very brand to be used as a complement to space-constrained layouts.
Type of Sub-products
Frequently Asked Questions
What are the advantages of using weld neck flanges?
What materials are weld neck flanges made from?
What is the difference between weld neck flanges and slip-on flanges?
Countries We Export
India
Cities We Supply
Ahmadnagar
Ahmadpur
Ahmedabad
Bangalore Rural
Bangalore Urban
Bengaluru
Chandigarh
Chennai
Coimbatore
Haridwar
Hyderabad
Jaipur
Jodhpur
Jodhpur (ahmedabad)
Kalyan
Kolhapur
Kolkata
Lucknow
Mumbai
Mumbai Suburban
Murud (raigad)
Nagpur
Nashik
Navi Mumbai
New Delhi
Pune
Raipur
Rajkot
Rampura
Sion, Mumbai
Surat
Thane
Varanasi
Visakhapatnam
Moradabad
Angul
Rudrapur
Hosdurg
Gandhinagar
Rajahmundry
Durgapur
Bharuch
Panipat
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
