Ductile Iron Flanged Lateral Tee 45 Degree
Keylion® 45‑degree Ductile Iron Flanged Lateral Tee, also commonly known in the industry as flanged wye or lateral branch pipe.
This pipe fitting creates a soft‑angle junction to split or combine fluid flow. Its 45‑degree angled design cuts down flow resistance, which helps avoid water hammer issues whenever branch pipelines kick in under working pressure.
Field engineers often select this fitting for main water transmission pipelines, factory cooling circuits and big sewage treatment facilities.
Less hydraulic shock means less wear on your whole pipeline set‑up; your matched valves and pumps will enjoy longer service life. Made of sturdy ductile iron, this piece delivers solid mechanical strength while keeping good flow performance for daily operation.
Technical specification
| Product Name | Ductile Iron All Flanged 45° Lateral Tee (Wye Tee) |
| Brand | Keylion® |
| Material | Ductile Iron |
| Size Range | DN50-DN1200 |
| Nominal Pressure | PN10/PN16/PN25 |
| Flange Standard | ANSI/AWWA/GB/BS/DIN |
| Branch Angle | 45° |
| Applicable Medium | Potable water, raw water, sewage, neutral liquids |
| Working Temperature | 0°C to 80°C |
FAQ
Q: Will the 45‑degree branch create problems for pipeline pigging and internal cleaning work?
A: Quite the contrary. Compared with regular 90‑degree tees, this gentle 45‑degree opening works much better for cleaning tools and inspection pigs. Pigs can slide smoothly through this junction. You won't see heavy impacts or snagging troubles that scratch and harm internal epoxy linings on sharp‑angle fittings.
Q: Is this lateral tee suitable to combine flows coming from two separate pump stations?
A: Absolutely, this is one of its biggest strengths. When two incoming flows meet at this 45‑degree angle, they travel along similar directions. Hydraulic turbulence at the joint gets greatly cut down. It avoids flow collision, resulting in far lower head loss than traditional T‑type tees.
Q: What measures do you take to stop flange faces rusting before goods arrive at project site?
A: We never leave machined flange metal bare. Once the fitting body gets fusion‑bonded epoxy coating, exposed flange surfaces will be coated with anti‑rust wax. Heavy‑duty plywood discs or plastic covers are bolted onto every flange. This blocks salty sea air during long ocean transit, and also guards bolt holes against dents when cranes unload cargo on site.
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