Flowserve Valtek GS User Manual

Valtek GS General Service Valve FCD VLENIM0300-00-A4 08/14
20
14 Torque Requirements
Valtek GS
Presssure
Class
Torque Requirements for
BONNET NUTs (58) per nominal diameter
15 20 25 32 40 50 65 80 100 125 150
1/2“ 3/4“ 1“ - 1 1/2“ 2“ - 3“ 4“ - 6“
PN 16 / 40
Nm
12,5 26 19 51 78 110 140
Class 150 7,3
-
17 22
-
26 46
-
76
Class 300 9,2 21 27 43 76 146
PN 16 / 40
ft lb
9.2 19.2 14.0 38 58 81 103
Class 150 5.4
-
12.5 16.2
-
19.2 34
-
56
Class 300 6.8 15.5 19.9 32 56 108
Valtek GS
Presssure
Class
Torque Requirements for
SEAT RINGs (20) per nominal diameter
15 20 25 32 40 50 65 80 100 125 150
1/2“ 3/4“ 1“ - 1 1/2“ 2“ - 3“ 4“ - 6“
PN 16 / 40
Nm 40 100 162 457 841 1046 1653
Class 150 / 300
PN 16 / 40
ft lb 30 74 120 337 620 772 1219
Class 150 / 300
Valtek GS
Presssure
Class
Torque Requirements for
HEAD NUTs (110) per nominal diameter
15 20 25 32 40 50 65 80 100 125 150
1/2“ 3/4“ 1“ - 1 1/2“ 2“ - 3“ 4“ - 6“
PN 16 / 40
Nm
13
22 44
Class 150
-
14
-
30
-
24
Class 300 10 12 25 46
PN 16 / 40
ft lb
9.6
16.2
Class 150
-
10.3
-
22
-
17.7
Class 300 7.4 8.9 18.4 34
Valtek GS
Presssure
Class
Torque Requirements for
PLUG and STEM (50, 6) per nominal diameter
15 20 25 32 40 50 65 80 100 125 150
1/2“ 3/4“ 1“ - 1 1/2“ 2“ - 3“ 4“ - 6“
PN 16 / 40
Nm 40 80 170
Class 150 / 300
PN 16 / 40
ft lb 30 59 125
Class 150 / 300
15 Lubricants
Use
Lubricant / Antiseize
WW (World Wide) EU (European Union)
Standard,
from -40°F to +752°F
-40°C to +400°C
Threads of the Seat-Ring (20, 1), Stem (6, 50) and Bonnet-Bolting
Fastorq A/G
Klüber HEL 46-450
Guide of the Plug (50), V-Ring / Piston-Ring Balancing (65) and Twist-Lock of the Stem (6)
Threads of the Packing-Follower (80), Coupling (113, 345, 249, 240) and Yoke Locknut (76)
Klüberpaste 46 MR 401
Actuator O-Ring‘s (272, 271, 275, 278)
DOW Molykote 55 O-Ring Klüber Unisilikon L 250 L
Threads of the Actuator Casing-Bolting (211, 335, 336) and Guide (254) Fastorq A/G Klüberpaste 46 MR 401
Low temperature,
from -76°F to -40°F
-60°C to -41°C
Threads of the Seat-Ring (20, 1), Stem (6, 50) and Bonnet-Bolting
Alcohol 96%Guide of the Plug (50), V-Ring Balancing (65) and Twist-Lock of the Stem (6)
Threads of the Packing-Follower (80), Coupling (113, 345, 249, 240) and Yoke Locknut (76)
Actuator O-Ring‘s (272, 271, 275, 278) DOW Molykote 55 O-Ring Klüber Unisilikon L 250 L
Threads of the Actuator Casing-Bolting (211, 335, 336) and Guide (254) Fastorq A/G Klüberpaste 46 MR 401
Oxygen,
from -40°F to +320°F
-40°C to +160°C
Threads of the Seat-Ring (20, 1), Stem (6, 50) and Bonnet-Bolting
DuPont Krytox GPL 206 Klüberalfa YV 93-1202Guide of the Plug (50), V-Ring Balancing (65) and Twist-Lock of the Stem (6)
Threads of the Packing-Follower (80), Coupling (113, 345, 249, 240) and Yoke Locknut (76)
Actuator O-Ring‘s (272, 271, 275, 278) DOW Molykote 55 O-Ring Klüber Unisilikon L 250 L
Threads of the Actuator Casing-Bolting (211, 335, 336) and Guide (254) Fastorq A/G Klüberpaste 46 MR 401

Flowserve Valtek GS Specifications

General

Brand	Flowserve
Model	Valtek GS
Category	Control Unit
Language	English