17
Flanged Ball Valves
KOK
A full bore, bi-directional valve mountable in any position. The ball valve housing is made of steel, two screwed-inconnector pipes and two loose flanges. The stem has a blow-out protection and is mounted together with the sealing set on the inside of the body. The ball “floats” between two seals, set in the connector pipes.
In a standard version, flanges and valve face are made acc. to Table 1 (p.5)
Standard accessories:wrench
Optional accessories:mounting elements (flanges, seals, bolts, nuts)
KOK
PN DN H R Dz g Do d n kg
weightpcs.mm
40
100
40
100
40
100
130
130
150
150
160
160
L
15
20
25
90
90
112
112
115
115
125
125
160
160
160
160
95
105
105
130
115
140
18
22
20
24
20
26
14
14
14
18
14
18
65
75
75
90
85
100
4
4
4
4
4
4
2,5
3,4
4,1
5,9
5,4
7,8
+ + + ++ +
MATERIAL SPECIFICATION- KOK BALL VALVE
Bra
ss
Hig
h pr
essu
rest
eel
Hig
h pr
essu
reca
st s
teel
Sta
inle
ss s
teel
Sta
inle
ssca
st s
teel
Bra
ss
Hig
h-al
loy
stee
l
Hig
h-al
loy
stee
l
Nitr
ile r
ubbe
r
Silic
one
rubb
er
Eth
ylen
e-pr
opyl
ene
rubb
er
Gra
phite
Car
bon
stee
ls
Pol
ytet
raflu
oro-
ethy
lene
Pol
ytet
raflu
oro-
etyl
ene
+
fille
r
Pol
iace
tal
Allo
y st
eel (
with
Cr5
Ni c
oatin
g)
Body Ball Stem Ball seals Other seals
