Válvulas

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TIPOS DE VÁLVULA
Compuerta
Globo
Bola
Cheque
Mariposa

MATERIALES
Bronce 125# y 300#
Hierro Fundido (Cast Iron) 125#
Acero Carbón (Cast Steel) 150# a 300#
Acero Forjado (Forged Steel) 800#

CONEXIONES
Roscada
Flangeada
Soldable (Socket Weld y Butt Weld)

NORMA
API 600, API 6D, BS1414, BS1873, Factory Mutual (FM),
AWWA, Underwriter's Laboratories Listed (UL)

DATOS TÉCNICOS – VALVULAS ACERO AL CARBON
PRESSURE-TEMPERATURE RATINGS

TECHNICAL DATA
°F WCB STANDARD CLASS B16.34 - 1996
MAXIMUM NON-SHOCK WORKING PRESURE, PSIG
150 300 600 900 1500 2500
450 1125 2225 3350 5575 9275
325 825 1650 2450 4100 6800
-20 TO 100 285 740 1440 2220 3705 6170
200 260 700 1400 2100 3375 5625
300 230 680 1365 2050 3280 5470
400 200 665 1330 2000 3170 5280
500 170 625 1250 1875 2995 4990
600 140 555 1100 1660 2735 4560
650 125 515 1030 1550 2685 4475
700 110 470 940 1410 2665 4440
750 95 505 850 1275 2520 4200
800 80 410 730 1100 2060 3430
• De la Versión ANSI B16.34-1996
• “Clases Especiales” aplica sólo para válvulas de extremo de soldadura y requiere pruebas NDE de acuerdo con ANSI B16.34.
• Prueba hidrostática Shell

IRON VALVE RATINGS

The operating temperature of the valve is considered as the temperature of the media flowing through it. This temperature must not exceed the maximum allowable temperature as stated in the pressure-temperature chart bellow.

Class 125
Temp. °F Non-Shock-PSI
NPS 2" - 12" NPS 14" - 24" NPS 30" - 48"
-20 to 150 200 150 150
200 190 135 115
225 180 130 100
250 175 125 85
275 170 120 65
300 165 110 50
325 155 105 -
350 150 100 -
375 145 - -
400 140 - -
425 130 - -
450 125 - -

Manufacturers Standardization Society (MSS)
Standard Practice SP-70, SP-71, SP-85

Presiones Valvula Acero Forjado

CLASS 800
SERVICE TEMPER. A105 (1) A350-LF2 (2) A182 (3) F11 A182 (3) F22 A182 F5 A182 F9 A182 F304 A182 F316 A182 F304L A182 F347H
°F psi psi psi psi psi psi psi psi psi
-20 to 100 1975 2000 2000 2000 2000 1920 1920 1600 1920
200 1800 1900 1910 2000 2000 1600 1655 1350 1695
300 1750 1795 1805 1940 1940 1410 1495 1210 1570
400 1690 1755 1730 1880 1880 1255 1370 1100 1480
500 1595 1710 1705 1775 1775 1165 1275 1020 1380
600 1460 1615 1615 1615 1615 1105 1205 960 1310
650 1430 1570 1570 1570 1570 1090 1185 935 1280
700 1420 1515 1515 1515 1515 1075 1150 915 1250
750 1345 1420 1420 1420 1420 1060 1130 895 1230
800 1100 1355 1355 1325 1355 1050 1105 875 1215
850 715 1300 1300 1170 1300 1035 1080 860 1185
900 460 1200 1200 940 1200 1025 1050 1150
950 275 1005 1005 695 985 1000 1030 1030
1000 140 595 715 510 780 860 970 970
1050 365 530 375 505 825 960 960
1100 255 300 275 300 685 860 860
1150 140 275 185 200 520 735 735
1200 95 145 120 140 415 550 460
1250 295 485 330
1300 218 365 250
1350 165 275 180
1400 130 200 140
1450 95 155 110
1500 65 110 95

Notes: 1. Permissible, but not recommended for prolonged use above 800°F
2. Not to be used over 650°F
3. Permissible, but not recommended for prolonged use above 1050°F