Description
Upvc Red Bush 1-1/4 x 1″ AGM
AGM upvc for warm water, imported from Saudi Arab. Schedule 40 drain, sever, ventilation till 59 degree . 1/2″ to 8″ sizes. Contact 0322-3540656
What is AGM upvc Red Bush 1-1/4 x 1″ ?
The AGM UPVC Reducer Bushing 1-1/4 x 1″ Schedule 40 is a specific fitting manufactured by AGM (Arabian Gulf Manufacturers Ltd.) in Saudi Arabia, designed to change the size of pipe within a solvent-welded system.
Here is a comprehensive breakdown of the component, which is critical for both water supply and sewage/drainage systems:
🔧 Detailed Information and Description
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Type: Reducer Bushing (or Reducing Ring).
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Manufacturer: AGM (Arabian Gulf Manufacturers Ltd.) from Saudi Arabia.2 AGM is a known manufacturer of PVC/UPVC piping systems in the region.
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Material: UPVC (Un plasticized Polyvinyl Chloride).3 This is a rigid, non-corrosive, and non-toxic plastic material, making it suitable for water and sewage transport.4
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“Red Bush” Color Note: While the standard color for UPVC Schedule 40 fittings is typically White or Gray/Light Gray, the term “Red Bush” may refer to a local market color code, a marking strip, or a supplier’s branding for a particular line of fittings. The core specifications are based on the standard UPVC Sch 40 bushing design.
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Function: It is used to reduce the size of a connection. This fitting has an outer diameter (spigot) that fits into a 1-1/4 inch fitting socket, and an inner socket that accepts a 1-inch pipe.
📏 Key Specifications
| Specification | Detail | Explanation |
| Size (Nominal) | 1-1/4 inch x 1 inch | The 1-1/4 inch size is the spigot (outer) end, which fits into a 1-1/4″ socket. The 1 inch size is the socket (inner) end, which accepts a 1″ pipe. |
| Schedule | Schedule 40 (Sch 40) | This defines the wall thickness. Sch 40 is the standard pressure and non-pressure thickness for imperial-sized UPVC systems, thicker than SDR-rated pipes but less thick than Sch 80. |
| Joint Type | Spigot x Socket (Slip/Solvent Weld) | Both ends are designed for a permanent, leak-proof connection using solvent cement, which chemically fuses the plastic parts together. |
| Standards | ASTM D2466 / ASTM D1784 | AGM UPVC fittings conform to international standards like the American Society for Testing and Materials (ASTM) D2466 (for Sch 40 molded fittings) and D1784 (for material specifications). They may also adhere to Saudi Arabian Standards (SASO). |
| Max Operating Temp | 140°F (60°C) | UPVC material is rated for continuous use up to this temperature, after which its pressure rating decreases significantly. |
| Typical Pressure Rating | ~150 PSI at 73°F (23°C) | The pressure rating for 1-inch Sch 40 fittings is typically around 450 PSI for the pipe, but for the solvent-welded system, it is often derated, and the fittings themselves are often rated around 150 PSI (PN10) at room temperature. |
🛠️ Installation Procedure
The reducer bushing is installed using Solvent Cement Welding to ensure a permanent, watertight, and pressure-tight joint.
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Preparation: Cut the pipe ends square, remove all burrs (inner and outer), and clean the pipe and fitting surfaces (spigot and socket) to remove dirt, grease, and moisture.
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Dry Fit: Test the fit of the 1″ pipe into the bushing’s socket, and the bushing’s spigot into the 1-1/4″ fitting socket. The pipe/bushing should fit snugly.
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Apply Primer/Cleaner (Recommended): Apply a UPVC primer/cleaner to the joining surfaces (pipe end and socket interior) to soften the plastic and prepare it for chemical fusion.
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Apply Solvent Cement: Apply a uniform coat of UPVC solvent cement to the outside of the bushing’s spigot and the inside of the 1-1/4″ fitting socket.6 Apply a similar coat to the outside of the 1″ pipe and the inside of the bushing’s socket.
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Assembly and Hold: Immediately insert the bushing fully into the 1-1/4″ fitting and the 1″ pipe fully into the bushing. Give each part a quarter-turn (90° twist) during insertion to spread the cement evenly. Hold the assembled joint firmly for about 30 seconds to prevent push-out.
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Cure: Wipe off excess cement. Allow the joint to cure fully (typically 24 hours) before testing or pressurizing the system.
💧 Usage and Applications
The 1-1/4 x 1″ Reducer Bushing is an essential transition piece in piping networks:
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Water Supply (Potable/Pressure): Widely used in residential, commercial, and industrial plumbing to reduce the diameter of a main pressure line (1-1/4″) down to a smaller distribution branch (1″) that feeds smaller lines or fixtures.
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Sewerage and Drainage (DWV): Used in non-pressure systems to connect a smaller branch drain or vent line (1″) into a larger drain fitting (1-1/4″ size) while maintaining proper flow and preventing backups.
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Irrigation Systems: Employed in agricultural and landscape irrigation for controlling flow rates by downsizing the pipe on secondary lines.
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Chemical & Industrial: Suitable for transporting mild chemicals and corrosive liquids due to the excellent chemical resistance of UPVC.



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