| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Long Weld Neck Flanges
Riddhi Siddhi Metal Impex introduces engineered piping element that is designed to perform at the demanding industrial level, particularly in high pressure and high temperature use. The company as a Long Weld Neck Flanges Manufacturer provides flanges that are equipped with a long neck, that provides strength of the weld point, proper flow guidance, and stability during critical service use.
- Resists high temperatures to 600°C without deformation.
- Resists stresses that are caused by pressure in heavy-duty pipelines.
- Appropriate in stainless steel, carbon steel and special alloy systems.
- They have smooth and serrated sealing surfaces that are available in smooth and serrated versions.
- Completely tested by means of ultrasonic, hydrostatic and PMI.
These flanges are usually applied in refineries, oil and gas pipelines as well as power plants where safe and durable connections are vital. Using a reliable B2B Platform, buyers are able to customize sizes and face types, as well as associated selections, such as Socket Weld Flanges, where consistent operation is crucial to piping systems.
Type of Sub-products

Stainless Steel Long Weld Neck Flanges Stainless Steel Long Weld Neck Flanges
Provide corrosion resistance and strength for high-performance fluid systems.

Alloy Steel Long Weld Neck Flanges Alloy Steel Long Weld Neck Flanges
Suited for extreme temperatures and pressure conditions in chemical and energy sectors.
