Instruction and Operation Manual
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Table 2 Common used trim material
API600 Trim
No
.
Seat ring Disc sealing Stem
Back seat
1
ER410 ER410 ASTM A182 F6a ASTM A182 F6a
2
304 304 ASTMA182 F304 ASTMA182F304
5
STL STL ASTM A182 F6a ASTM A182 F6a
8
STL ER410 ASTM A182 F6a ASTM A182 F6a
9
Monel Monel Monel Monel
10 316 316 ASTM A182 F316 ASTMA182F316
12 STL 316 ASTM A182 F316 ASTMA182F316
Table 3 body material suitable for fluid and temperature range
ASTM
A216-
WCB
ASTM
A352-
LCB
ASTM
A352-
LCC
ASTM
A217-
WC6
ASTM
A217-
WC9
ASTM
A351-
CF8
ASTM
A351-
CF8M
ASTM
A351-
CF3
ASTM
A351 -
CF3M
RECOMMEND
TEMPERATU
RE LIMITS
(℃)
-29~427
-46~ 343
-46~
343
-29~
593
-29~
593
-29~
537
-29~
537
-29~
427
-29~
454
APPLICATION
STEAM
,
WATER,OI
L
VAPOUR
,
GAS and
GENERAL
LOW
TEMPERATURE
SERVICE
STEAM
,WATER,OI
L VAPOUR
,GAS
HIGH
TEMPERATURE
SERVICE
STEAM
,WATER,
OIL
VAPOUR
,GAS
HIGH and LOW TEMPERATURE
SERVICE
CORROSION RESISTANCE
Note: where the process fluid is flammable/explosive, it must limit the working temperature of the
pipeline system
.
6.
Working Principle and Structure Description
6.1
Working principle
The series is globe valves. When hand-wheel rotate clockwise, the disc descends and the valve
shuts off
; when rotate counter clockwise, the disc ascends and the valve opens.
6.2
Structure description
6.2.1
Flange end or but welding end may be selected as to purchaser optimum.
6.2.2
Packing seal structure and flexible graphite combination packing is used for the series
valve
.
6.2.3
Class 150LB to 300LB valves use a reinforced flexible graphite gasket and 600to 2500LB
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