Catalog and Application Manual Valves - FLOWSERVE - #51

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Text version of the page
Forged Gate Valves - ASTM A350, GRADE LF2 Class 800 and Class 1500 Valves
FOR APPLICATIONS WHERE TEMPERATURES TO -50°F (-46°C) ARE THE RULE NOT THE EXCEPTION!
PRESSURE-TEMPERATURE RATINGS
Service Temperature (T)
CLASS 800
ASTM A350, GR. LF2
(1)(2) PS I
CLASS 1500
ASTM A350, GR. LF2
(1)(2) PSI
-50 to 100
1975
3705
200
1800
3375
300
1750
3280
400
1690
3170
500
1595
2995
600
1460
2735
700
1420
2665
800
1100
2060
PRESSURE-TEMPERATURE RATINGS
Service Temperature
(°C)
PN 130 (CLASS 800)
ASTM A350, GR. LF2
(1)(2) BAR
PN 260 (CLASS 1500)
ASTM A350, GR. LF2
(1)(2) BAR
-46 to 38
136.2
255.5
50
133.5
250.5
100
123.7
232.0
150
120.6
226.0
200
116.9
219.2
250
111.2
208.8
300
103.3
193.6
400
92.1
172.5
425
76.9
144.0
Traceable Parts From Stock Machined Parts Heat Treated to ASTM A350, Grade LF2
Charpy Impact Tested Verified Strength and Toughness Flexible Graphite Packing
Flexible Graphite Filled Gasket API 602 ASME B16.34
(1) Ratings are in accordance with ASME/ANSI B16.34-96.
(2) Permissible but not recommended for prolonged use above 800°F (427°C).
Class 800 (PN 130)*
Conventional Port
1975 PSI @ 100°F (136.2 BAR @ 38°C)
A350. GR. LF2 Bodv/Bonnet
Series Number Threaded Socket Weld
Size 1/2"-2" 32111 SW32111
Trim: 13% Cr. Seats: HF
32111F8M SW32111F8M
Trim: 316 ^^^^^ Seatsj.
32111MB8 SW32111MB8
Trim: 316 Wedge/Seats: HF
See Dimensions on Pg. 18
Refer to pages 116-120 for full materials description
Class 1500 (PN 260)*
Conventional Port
3705 PSI @ 100°F (255.5 BAR @ 38°C)
A350. GR. LF2 Bodv/Bonnet
Series Number Threaded Socket Weld Size 1/2"-2"
materials meet requirements ofnace standard mr-01-75for sour service
SW35111 Trim: 13% Cr. Seats: HF
SW35111F8M Trim: 316 Seats: HF
35111
35111F8M
NOTE: Other Vogt valves are also offered in A350-LF2 construction. See individual pages of VV200 Catalog.
35111MB^ SW35111M Trim: 316 Wedge/Seats: HF
See Dimensions on Pg. 38
For Cv factors see page 123, Valve Matrix A.
* ■■ SFATS
43

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