Reducer
Smooth Pipe Diameter Transition | Concentric & Eccentric Types
Pipe reducers deliver smooth bore transition between pipes of different diameters, preserving flow stability and reducing turbulence across the piping system. We supply concentric reducers for vertical pipe runs and eccentric reducers for horizontal lines that require flat bottom alignment.
Available in carbon steel, stainless steel, alloy steel, and duplex stainless steel. All products are manufactured to standards with strict control over dimensional tolerances.
Core Advantages of Pengrun Reducer
Smooth bore, low flow turbulence
Concentric & eccentric types
Seamless & welded options
Multiple Materials Options
Precise tolerance, easy fit-up
Products Category
Industries
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Quick Selection Guide
Seamless for high-pressure & high-temperature lines
Welded for low-medium pressure large-diameter pipes
Eccentric: flat down for liquid, flat up for gas
Confirm bore sizes & wall schedules before ordering
Installation Tips
Align pipe axes to avoid welding stress
Match wall thickness for smooth fit-up
Preheat thick-wall reducers per WPS
Post-weld NDT available for high-pressure lines
Core Selection Comparison: Concentric VS Eccentric Reducer
| Item | Concentric Reducer | Eccentric Reducer |
| Structure | Centered symmetrical bore | Offset bore, one flat side |
| Installation | Vertical piping systems | Horizontal piping systems |
| Flow state | Uniform flow, low turbulence | Slight turbulence at flat side |
| Core value | Centralized diameter reduction | Prevents liquid / air accumulation |
| Typical use | Pump suction risers, vertical mains | Horizontal process lines, drainage pipes |
FAQs
Yanshan County,Cangzhou, Hebei,China
+86-15075207025
+86-15075207025
admin@pr-pipefittings.com
Hebei Pengrun Pipe Fittings Co,Ltd is a manufacturer of butt weld pipe fittings and flanges which has more than 20 years’ experience,With strong production capabilities and advanced equipment, the company ensures high-quality and reliable products for its customers.
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