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Description.
Features.
Materials.
Description.
Article no.
Size
Weight, g
Packaging
Box
KNNR11
1/2"
176
30/25
120/100
Features.
№
Name of the indicator
Meaning.
1
Shutter tightness class
"А"
2
Normal service life, years
25
3
Minimum service life, cycles
25 000
4
MTBF, cycles
55 000
5
Maintainability
Yes.
6
Range of diameters of the conditional passage Dy
1/2" - 1" (15 - 25)
7
Conditional standard pressure PN, bar
≤ 40
8
Ratio of the area in the through section of the crane to the cross-sectional area of the supply pipeline, %
94 (full bore crane)
9
Operating temperature range, °С
-20 ~ +150
Materials.
№
Element name
Meaning.
1
Body
Brass CW617N
2
Saddle rings
Teflon P.T.F.E.
3
Stem
Brass CW614N
4
Ball lock
Brass CW614N
5
Gland seal
Teflon P.T.F.E.
6
Clamping nut
Brass CW614N
7
Striped pen (butterfly)
Aluminum
8
Nut for fixing the handle
Steel
