Emerson Fisher ET - Page 10

Instruction Manual
D100398X012
ET Valve
November 2017
10
Figure 5. Detail of Graphite Ribbon/Filament Packing for Plain and Extension Bonnets
PACKING FOLLOWER (KEY 13)
LANTERN RING (KEY 8)
PACKING BOX RING (KEY 11)
1
12.7 mm
(1/2 INCH)
STEM
SINGLE ARRANGEMENTS
NOTE:
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS; USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
A5864
1
GRAPHITE RIBBON PACKING RING (KEY 7)
GRAPHITE FILAMENT PACKING RING (KEY 7)
1
1
9.5 mm
(3/8 INCH)
STEM
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
14A3411-A
13A9775-B
13A9776-B
PACKING FOLLOWER (KEY 13)
LANTERN RING (KEY 8)
PACKING BOX RING (KEY 11)
1
12.7 mm
(1/2 INCH)
STEM
DOUBLE ARRANGEMENTS
GRAPHITE RIBBON PACKING RING (KEY 7)
GRAPHITE FILAMENT PACKING RING (KEY 7)
1
1
9.5 mm
(3/8 INCH)
STEM
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
14A2153-B
14A1849-B
14A1780-B
1
Note
Stud(s) and nut(s) should be installed such that the manufacturer's trademark and material grade marking is visible, allowing easy
comparison to the materials selected and documented in the Emerson/Fisher serial card provided with this product.
WARNING
Personal injury or damage to equipment could occur if improper stud and nut materials or parts are used. Do not operate or
assemble this product with stud(s) and nut(s) that are not approved by Emerson/Fisher engineering and/or listed on the
serial card provided with this product. Use of unapproved materials and parts could lead to stresses exceeding the design
or code limits intended for this particular service. Install studs with the material grade and manufacturer's identification
mark visible. Contact your Emerson representative immediately if a discrepancy between actual parts and approved parts
is suspected.
10. Lubricate the bolting (not necessary if factory pre‐lubricated stud bolt nuts are used) and install it, using accepted
bolting procedures during tightening, so that the body‐to‐bonnet joint will withstand test pressures and application
service conditions. Use the bolt torques in table 3 as guidelines.
11. Install new packing and the metal packing box parts according to the appropriate arrangement in figure 3, 4, or 5.
Place a smooth‐edged pipe over the valve stem and gently tap each soft packing part into the packing box.