Emerson A41 Scheda Tecnica Pagina 5

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A41 Valve
D500212X012
Product Bulletin
21.1:A41
January 2013
5
Figure 2. Available S eal Configurations
NOVEX METAL SEAL
PHOENIX III METAL SEAL
PTFE, REINFORCED PTFE, AND UHMWPE SEALS
BIDIRECTIONAL SEAL
UNIDIRECTIONAL SEAL
BIDIRECTIONAL SEAL
A6301-1
RETAINING
RING
SPRING
PRESSURE-
ASSISTED
SEAL
HIGH
PRESSURE
SHUTOFF
DISC FACE
VALVE
BODY
SEAL
RING
GRAPHITE
GASKET
RETAINING
RING
VALVE
BODY
PRESSURE-
ASSISTED
SEAL
SEAL RING
HUB SIDE
OF DISC
HIGH
PRESSURE
SHUTOFF
RETAINING
RING
GRAPHITE
GASKET
VALVE
BODY
SEAL RING
HUB SIDE
OF DISC
HIGH
PRESSURE
SHUTOFF
BACKUP
O-RING
RESILIENT
INSERT
RETAINING
RING
PRESSURE-
ASSISTED
SEAL
HIGH PRESSURE
SHUTOFF
DISC
FACE
VALVE BODY
B1558-3
NPS 2 METAL SEAL
Figure 3. Maximum P ressure-Temperature Ratings
Note:
Temperaturelimitationsdonot account for the additional limitations imposed by the backup ringusedwiththisseal. To determine the effective temperaturelimitationofthe appropriate
seal/backup ring combination,, refer to table 3.
1
A6306-2
PHOENIX III SEAL
WITH PTFE INSERT
PTFE AND
REINFORCED PTFE
SEAL
UHMWPE
SEAL
OPERATING TEMPERATURE, _C
OPERATING TEMPERATURE, _F
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