Concentric, eccentric reducer

Concentric reducer








Overview
The main manufacturing standard of the concentric reducer is generally GB / T12459, GB / T13401, ASME B16.9, SH3408, SH3409, HG / T21635HG / T21631, SY / T0510. And concentric reducer corresponding to the eccentric reducer, the material is carbon steel, alloy steel and stainless steel.
classification
1. Material division
Carbon steel: ASTM / ASME A234 WPB, WPC
Alloy: ASTM / ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoV
Stainless steel: ASTM / ASME A403 WP 304-304L-304H-304LN-304N
ASTM / ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM / ASME A403 WP 341-321H ASTM / ASME A403 WP 347-347H
Low temperature steel: ASTM / ASME A402 WPL3-WPL 6
High performance steel: ASTM / ASME A860 WPHY 42-46-52-60-65-70
Cast steel, alloy steel, stainless steel, copper, aluminum alloy, plastic, argon leaching, PVC, PPR, RFPP (reinforced polypropylene) and so on. 2. Manufactured by manufacturing standards
Divided into national standard, electric standard, ship standard, standard, water standard, American standard, German standard, Japanese standard, Russian standard and so on.
3. Divide by radius of curvature
Divided into long radius elbow and short radius elbow. Long radius elbow refers to its curvature radius is equal to 1.5 times the outer diameter of the tube, that is R = 1.5D; short radius elbow that its radius of curvature is equal to the outer diameter of the tube, that is, R = 1.0D. (D is the elbow diameter, R is the radius of curvature). 5. According to the pressure level, there are about 17 species, and the American pipe standard is the same, there are: Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS; Sch80, SCH100, Sch120, Sch140, Sch160, XXS; the most commonly used are STD and XS.
 



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