Gemü 613 Montageanleitung Seite 39

Ra ≤ 6,3 μm (250 μinch)
for media wetted surfaces,
blasted internal/external
Ra ≤ 0,8 μm (30 μinch)
for media wetted surfaces,
mechanically polished internal
Ra ≤ 0,8 μm (30 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,6 μm (25 μinch)
for media wetted surfaces,
mechanically polished internal
Ra ≤ 0,6 μm (25 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,5 μm (20 μinch)
for media wetted surfaces,
mechanically polished internal
Ra ≤ 0,5 μm (20 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,4 μm (15 μinch)
for media wetted surfaces,
mechanically polished internal
Ra ≤ 0,4 μm (15 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,4 μm (15 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,25 μm (10 μinch)
for media wetted surfaces,
electropolished internal/external
Ra ≤ 0,25 μm (10 μinch)
for media wetted surfaces,
mechanically polished internal
Ra acc. to DIN 4768; at defined reference points.
* For pipe inside diameter< 6 mm, the surface inside the spigot is Ra ≤ 0.8 μm.
Valve body surface fi nish, internal contour
Designation
Hygienic class
ASME BPE
DIN 11866
-
H3
HE3
-
-
-
-
H4
HE4
-
HE5
H5
39 / 64
Forged body
Code 40, 42, F4
(2014)
- -
SF3 X
- X
SF2 X*
SF6 X*
SF1 X*
SF5 X*
- X*
- X*
SF4 X*
- X*
- X*
Investment
casting Code
Code 32, 34
X 1500
X 1502
- 1503
X* 1507
- 1508
- 1927
- 1928
- 1536
- 1537
- 1929
- 1516
- 1527
613, 618