Circular manhole cover

ST3001

Size: φ200, φ300, φ350, φ400, φ450, φ500, φ600 or as per required drawing
Pressure: over 3.0 Bar With sight glass or not.
Material quality: SUS304, 316L, 321, 304L, 316
Fineness: Inner and outer fineness of mirror Ra≤0.8μm, inner and outer mechanical Polish and electrical Polish Ra≤0.2μm, external surface can be gross polished or sub-gross polished.

Product Description

Circular manhole cover

Size: φ200, φ300, φ350, φ400, φ450, φ500, φ600 or as per required drawing

Type: Square, circular, elliptical

Material quality: SUS304, 316L, 321, 304L, 316

Pressure:0.3 Bar

Fineness: Inner and outer fineness of mirror Ra≤0.8μm, inner and outer mechanical Polish and electrical Polish Ra≤0.2μm, external surface can be gross polished or sub-gross polished.

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