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A C5 Corrosion Resistant Malleable Iron Electrophoretic 45 Elbow suits piping routes that need a 45-degree turn, PN40 pressure, and corrosion protection. Check the 1/2 to 4 inch size range, -30°C to 130°C service range, 1.5D radius, coating system, internal finish, and inspection plan before you place the fitting on a chemical, marine, HVAC, or wastewater project.
Confirm that the 45-degree angle, 1.5D curvature radius, and ±0.5-degree tolerance fit the pipe route and equipment connections.
Match the 1/2 to 4 inch size range and 4.0 MPa PN40 working pressure to the connected line.
Compare the -30°C to 130°C operating range with start-up, process, and environmental temperatures at the fitting.
Assess the epoxy electrophoretic primer, PU topcoat, 40 to 50 μm thickness, C5 rating, and salt-spray resistance exceeding 1200 hours.
Review Ra ≤ 6.3 μm inner-wall roughness and impact resistance of ≥50 kg·cm alongside the project's flow and handling conditions.
A C5 Corrosion Resistant Malleable Iron Electrophoretic 45 Elbow fits a piping route that needs a 45-degree change in direction and surface protection for demanding service areas. Our fitting uses malleable cast iron, an epoxy electrophoretic primer, and a PU topcoat. The purchase decision rests on route geometry, connected size, pressure, temperature, coating, internal finish, and quality checks.
The 45-degree angle suits a gradual change in direction where a single 90-degree turn is not the preferred route. Its 1.5D curvature radius supports the transition, and the fitting can reduce pressure loss by up to 65% compared with a standard 90-degree elbow.
Picture a line turning around equipment in a chemical plant or wastewater treatment area. Measure the pipe centerline, clearance, and connection direction against the elbow path. The adjoining runs should align without forcing the fitting into position. Our C5 corrosion resistant malleable iron electrophoretic 45 elbow suits chemical piping, marine cabins, HVAC engineering, and wastewater treatment plants where this route change and corrosion protection match the installation.
The 45-degree geometry is a selection limit. Choose another fitting configuration when the route requires a single 90-degree turn or a different connection direction. Send the route drawing when equipment nozzles or repeated elbows create a tight offset.
The available size range is 1/2 inch to 4 inches, with a working pressure of 4.0 MPa, identified as PN40. Match the nominal size to the connected pipe and the line flow design. For a project with several branch dimensions, list each size and quantity separately in the purchase request.
The fitting operates across -30°C to 130°C. Compare the lowest start-up temperature and highest process or continuous temperature at the elbow with this range. HVAC and marine projects should include seasonal conditions, while chemical and wastewater projects should include the conveyed medium temperature and the local environment.
A small HVAC branch and a larger industrial line may both need a 45-degree turn, but they require different nominal sizes. A line designed around PN40 also needs the elbow's 4.0 MPa working pressure checked against its operating conditions. Keep the pressure and temperature review tied to the exact location where the fitting will be installed.
The surface system combines a 360-degree full-immersion electrophoretic coating with an epoxy primer and PU topcoat. Coating thickness is 40 to 50 μm, with a C5 corrosion rating and salt-spray resistance exceeding 1200 hours. These characteristics suit marine cabins, chemical piping, and other areas where the external environment makes surface protection part of the purchase decision.
The inner wall has a roughness of Ra ≤ 6.3 μm. This finish supports the elbow's flow objective by limiting surface-related resistance inside the fitting. Total system pressure loss still depends on the connected pipe, valves, pump, and other fittings, so assess the elbow as one part of the complete route.
Impact resistance is ≥50 kg·cm. Include handling and maintenance conditions in the review where fittings may encounter incidental contact. Protect the coated surface during storage, movement, and connection work so the selected finish remains suitable for the installation environment.
A clear purchase request names more than the angle. Include the nominal size, 45-degree route, 4.0 MPa working pressure, -30°C to 130°C temperature range, malleable cast iron body, coating system, 40 to 50 μm thickness, C5 requirement, and Ra ≤ 6.3 μm inner-wall roughness.
For a chemical line, send the conveyed medium and exposure area with the route and pressure details. For a marine cabin, include the installation environment and handling conditions. For HVAC, identify the branch size and available clearance. For wastewater treatment, include the operating temperature, pressure, and area of use.
These details let you judge whether the fitting belongs in the planned system and give the technical review a precise basis. They also reduce the risk of selecting a 45-degree elbow that matches the route angle but misses the line's size, temperature, pressure, or surface requirements.
Choose this elbow for a 45-degree route change when the line uses a 1/2 to 4 inch size, operates within -30°C to 130°C, and remains within 4.0 MPa working pressure. Chemical piping and wastewater treatment projects may value the C5 coating system, while marine cabins also need the external environment and handling plan considered. HVAC projects should begin with branch size and route clearance.
The fitting suits projects that need malleable cast iron with an epoxy electrophoretic primer and PU topcoat. Its limits are clear: the geometry is 45 degrees, the size range ends at 4 inches, and the operating boundaries are defined by the pressure and temperature ranges. Send the route drawing, fluid, and operating conditions when the installation has unusual offsets or demanding service conditions.
Each fitting receives 100% magnetic particle inspection. Include this check in the quality section of a purchase request when internal structural integrity is important to your project review. Magnetic particle inspection is separate from the dimensional and coating checks, so list it independently with the required size, angle, pressure, and surface specifications.
A Coordinate Measuring Machine verifies the ±0.5-degree angle tolerance. This check is useful for routes that connect to fixed equipment nozzles or use several elbows to create a planned offset. Include the angle tolerance and the required route drawing together so the dimensional review relates to the actual connection layout rather than the nominal angle alone.
A 12-point measurement is used on each piece for the 40 to 50 μm electrophoretic layer. Ask for the coating-thickness check alongside the epoxy primer, PU topcoat, full-immersion process, and C5 requirement. The multiple measurement points matter when the fitting's curved surface must maintain a consistent coating across the complete elbow.
The C5 corrosion resistant malleable iron electrophoretic 45 elbow suits a 45-degree route in chemical, marine, HVAC, or wastewater service when the size, pressure, temperature, coating, and finish fit the line. To request a quote, send the nominal size, quantity, route drawing, conveyed fluid, operating pressure, operating temperature, and installation environment.
About the author
The company
HEBEI JINMAI CASTING Co., Ltd., which named LUQUAN ZHANDAO QIAOXI MALLEABLE IRON PIPE FITTINGS Co., Ltd., was first built in 1988, and founded in 1998with the investment of ¥ 360 million. Our factory existing staff of more than 1000 people, which is located in Zhandao Malleable Iron Zone, Shijiazhuang City, Luquan District. Covering an area of 40 thousand square meters. Our position is Predominant and has convenient traffic.
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