Emerson A41 Arkusz Danych Pobierz pdf (Strona 5)

A41 Valve

D500212X012

Product Bulletin

21.1:A41

January 2013

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.

A6306-2

PHOENIX III SEAL

WITH PTFE INSERT

PTFE AND

REINFORCED PTFE

SEAL

UHMWPE

SEAL

OPERATING TEMPERATURE, _C

OPERATING TEMPERATURE, _F

1 2 3 4 5 6 7 8 9 10 11 12

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