Emerson A31D Datový list stáhnout pdf (Strana 5)

A31D Valve

D500213X012

Product Bulletin

21.1:A31D

September 2014

5

Figure 2. Blowout Protection (NPS 3 through 24)

PACKING

FLANGE

ANTI-BLOWOUT

FLANGE

SHAFT

SHOULDER

SHAFT

HEX NUT

STUD

PACKING

FOLLOWER

HEX NUT

TYPICAL PTFE V-RING

PACKING

HEX NUT

PACKING

FLANGE

SHAFT

SHOULDER

STUD

HEX NUT

ANTI-BLOWOUT

FLANGE

SPRING PACK

ASSEMBLY

PACKING

SET

ANTI-EXTRUSION

RING

PACKING

BOX RING

LUBRICANT

A7090

STANDARD PACKING ARRANGEMENT

CUTAWAY, NPS 14 THROUGH 24

ENVIRO-SEAL ARRANGEMENT (PTFE SHOWN)

NPS 14 THROUGH 24

STANDARD PACKING ARRANGEMENT

CUTAWAY, NPS 3 THROUGH 12

ENVIRO-SEAL ARRANGEMENT (PTFE SHOWN)

NPS 3 THROUGH 12

PACKING

FLANGE

ANTI-

BLOWOUT

FLANGE

ANTI-

BLOWOUT

RING

PACKING

FOLLOWER

TYPICAL

PACKING

VALVE

BODY

C0766

PACKING

FLANGE

SPRING PACK

ASSEMBLY

ANTI-BLOWOUT

WIRE

TYPICAL

PACKING

STUD AND

HEX NUT

HEX JAM

NUT

ANTI-BLOWOUT

FLANGE

VALVE BODY

B2449

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

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