
Instruction Manual
D100401X012
EZ Valve
November 2017
33
Figure 15. Double Graphite Ribbon/Filament Arrangements for ENVIRO‐SEAL Bellows Seal Bonnets
A5887-1
Note:
0.102 mm (0.004 inch) thick sacrificial zinc washers: Use only one below each graphite ribbon ring.
BUSHING (KEY 13)
GRAPHITE FILAMENT
PACKING RING (KEY 7)
GRAPHITE RIBBON
PACKING RING (KEY 7)
SPACER (KEY 8)
9.5 mm
(3/8 INCH)
STEM
12.7 mm
(1/2 INCH)
STEM, NPS 2
VALVES
12.7 mm
(1/2 INCH)
STEM, NPS 3
AND 4 VALVES
1
Group 1 Actuators
54, 71, & 90 mm
(2‐1/8, 2‐13/16, & 3‐9/16 Inch) Yoke Boss
472 & 473
585C & 585CR
1B
644 & 645
655
657 & 667‐‐76 mm (3‐inch) max travel
1008‐‐except 90 mm (3‐9/16 inch) yoke boss
with 51 mm (2‐inch) travel
Gasket Kit*
Valve Size, NPS
Gasket Kits 2
(1)(2)
Gasket Kits 3
(1)(2)
1/2 ‐ 3/4 & 1
RGASKETX162
10A8170X042
2
RGASKETX182
10A8172X032
3
RGASKETX202
10A8174X032
4
RGASKETX212
‐ ‐ ‐
(3)
1. Gasket kits contain key 10, 12, 13, and 25.
2. See table below for description of gasket sets.
3. Consult your
or Local Business Partner for gasket set part number.
Gasket Selection Criteria
Gasket Set
Seat Ring Gasket
Bonnet Gasket
Spiral
Wound Gasket
Shim
Temperature
Capabilities
2
(1)
316 SST/graphite
flat sheet
316 SST/graphite
flat sheet
N06600 /
graphite
S31600
-198 to 593
_
C
(-325 to 1100
_
F)
3
PTFE‐coated N04400
PTFE‐coated N04400
N04400/PTFE
N04400
-73 to 149
_
C
(-100 to 300
_
F)
1. FGM gasket set.
*Recommended spare parts