Mô tả
| The 90° female threaded elbow is a pipe fitting with a 90-degree right-angle design, featuring one heat-fusion welding end and one metal female threaded end. The product is used to change pipeline direction while connecting to devices with male threads such as water meters, valves, pumps, etc. Technical specifications: – Body material: high-grade PP plastic – Thread material: nickel-plated brass or stainless steel – Angle: 90° – Size: DN20 – DN110 (female thread ½”, ¾”, 1″, 1¼”, 1½”, 2″) – Working pressure: PN16 / PN20 – Working temperature: 0–95°C (good heat resistance for hot and cold water piping systems) – Connection type: Female threaded connection according to ISO 7/1 – BSPT standard – Coating: Red electrostatic epoxy coating or galvanized finish. – Standards: ISO 17885, ISO 3458, ISO 3459, ISO 3501, ISO 3503, ISO 7 Key features: – Combination of welding and threaded connection allows easy installation of externally threaded devices – Metal threaded part withstands high pressure and temperature, resistant to deformation – Non-corrosive and safe for potable water - Smooth inner surface reduces pressure loss - High watertightness when installed correctly – One-piece casting: Ensures pressure resistance and uniform durability at both different connection ends. Benefits: – Quick installation, easy connection to threaded equipment: The grooved end allows 360 - degree adjustment of the elbow around the pipe axis before tightening the coupling, enabling extremely precise alignment of the threaded end with the equipment. – High temperature resistance (up to 95°C) – High durability, service life of 25–50 years – Completely leak-proof, minimizes leakage – Resistant to chemical corrosion: The distinctive red coating not only helps identify the fire protection system but also protects the ductile iron from oxidation caused by environmental factors. Disadvantages: – Not reusable once the PPR welded joint is bonded. – Thread seal tape or thread sealant is required on the internal thread to prevent leakage. – Higher cost than standard welded elbows due to the additional metal insert. – Selection of thread pitch and sealing materials. Applications – Fire protection systems: Used to connect sprinkler heads, fire alarm bell outlets, or sensing devices. – Domestic water supply systems: Used to transition from the main pipeline to sanitary fixtures or water taps. – Industrial applications: Installed at positions requiring pressure gauges or air release valves on the main pipeline. |
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