Source VERSA-SLAB, Руководство пользователя

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SOURCE VERSA VALVES
6A GATE VALVE TRIM CHART
TRIM SERVICE CONDITION BODY BONNET GATE SEAT STEM
*3
AA
N
o
n
-s
o
u
r S
ervi
ce
Standard Trim, Non
Corrosive
A487 4C
/4130LA
4130LA 4130LA 4130LA 17-4PH
BB
Stainless Trim,
Slightly Corrosive
A487 4C
/4130LA
4130LA 410SS 410SS 17-4PH
CC
Full Stainless Trim,
Moderately Corrosive
410SS 410SS 410SS 410SS 17-4PH
DD-0.5
So
u
r S
ervi
ce
Standard Trim,
Non Corrosive
A487 4C
/4130LA
4130LA 4130LA 4130LA 17-4PH
DD-NL
Standard Trim,
Non Corrosive
A487 4C
/4130LA
4130LA 4130LA 4130LA 4130LA
EE-0.5
Stainless Trim,
Slightly Corrosive
4130LA 4130LA 410SS 410SS 17-4PH
EE-1.5
Stainless Trim,
Highly Corrosive
4130LA 4130LA 410SS 410SS 410SS
EE-NL
Stainless Trim,
Highly Corrosive
4130LA 4130LA 410SS 410SS Inconel 718
*4
FF-0.5
Full Stainless Trim
Highly Corrosive
410SS 410SS 410SS 410SS 17-4PH
FF-1.5
Full Stainless Trim
Highly Corrosive
410SS 410SS 410SS 410SS 410SS
FF-NL
Full Stainless Trim
Highly Corrosive
410SS 410SS 410SS
*3
410SS
*3
Inconel 718
*4
HH-NL
*5
Highly Corrosive Extreme
Service
4130 W/625
Inlay
*5
4130 W/625
Inlay
*5
Inconel 718
*4
Inconel 718
*4
Inconel 718
*4
NOTES:
1.This trim chart provides information on materials included in standard valves
offered by Array. Special materials, trims and configurations are available upon
customer request.
2.Standard trim parts are QPQ nitrided. Tungsten Carbide HVOF, Hardfaced
gates and seats are available for any TRIM upon request.
3.Materials for sour service trims conform to latest edition of NACE
MR0175/ISO15156. Explanation for suffixes used for sour trims:
a) 0.5 = 0.5 psi maximum partial pressure of hydrogen sulfide(H2S)
b) 1.5 = 1.5 psi maximum partial pressure of hydrogen sulfide(H2S)
c) NL = No limit to hydrogen sulfide (H2S) exposure.
4.Inconel 718 is an alternative material for upgrade.
5.Inconel 718 is only "NL" for temperatures K thru U. Inconel 725 can be used up
to temp. X.
6.CRA material is not available for temp. Y service.
7.Source reserves the right to use material class ZZ when customers request
materials of construction that do not comply with current NACE MR0175/ISO
standards
Temp.
Class
Temperature Range
℃
°F
min. max. min. max.
K –60 82 –75 180
L –46 82 –50 180
N –46 60 –50 140
P –29 82 –20 180
S –18 60 0 140
T –18 82 0 180
U –18 121 0 250
V 2 121 35 250
X –18 180 0 350
Y -18 350 0 650
NOTE
Minimum temperature is the lowest ambient
temperature to which the equipment can be
subjected. Maximum temperature is the highest
temperature of the fluid that can directly contact
the equipment.