TLV CV-COSR, Инструкция по эксплуатации

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172-65587MA-02 (CV-COSR Pneumatic Control Valve) 3 Jun 2019
18
Parts Inspection
When parts have been removed, use the following table to inspect the parts and
replace any that are found to be defective.
Inspection Item
Gasket(s): Check for warping and damage
(Graphite gaskets MUST be replaced if disassembled)
Stuffing Box V-rings: Check for warping or damage
Valve Plug & Stem, Valve Seat: Check for damage or scratches
Table of Tightening Torques
Part
15 mm (½ in) 20 mm (¾ in) 25 mm (1 in) 40 mm (1½ in) 50 mm (2 in)
Torque
Dist.
Across
Flats
Torque
Dist.
Across
Flats
Torque
Dist.
Across
Flats
Torque
Dist.
Across
Flats
Torque
Dist.
Across
Flats
N·m
(lbf·ft)
mm
(in)
N·m
(lbf·ft)
mm
(in)
N·m
(lbf·ft)
mm
(in)
N·m
(lbf·ft)
mm
(in)
N·m
(lbf·ft)
mm
(in)
Bolts and Nuts for
Stem Bracket Plates 7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
7
(5.1)
8
(
5
/
16
)
Valve Bonnet Nut
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
150
(72)
36
(1
13
/
32
)
Guide Bushing
(Valve Bonnet
Section)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
120
(88)
24
(
15
/
16
)
Bolts for Flange
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
40
(29)
17
(
21
/
32
)
50
(37)
19
(
3
/
4
)
Valve Seat
100
(73)
30
(
13
/
16
)
100
(73)
30
(
13
/
16
)
125
(92)
36
(1
13
/
32
)
250
(185)
50
(1
31
/
32
)
300
(220)
60
(2
3
/
8
)
Cover Plug
250
(185)
41
(1
5
/
8
)
250
(185)
41
(1
5
/
8
)
350
(260)
46
(1
13
/
16
)
— — — —
Cover Bolt
— — — — — —
60
(44)
17
(
21
/
32
)
70
(51)
19
(
3
/
4
)
Drain Plug 40* (29*) N·m (lb·ft) 14 (
9
/
16
) mm (in)
(1 N·m ≈ 10 kg·cm)
* These values represent tightening torques for threads that are wrapped with 3 - 3.5 turns of sealing
tape.