GEM 613 - Page 39

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