Data Sheet

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