Data Sheet
GX 3--Way Valve and Actuator
Product Bulletin
51.1:GX 3--Way
August 2011
12
Table 3. Trim Materials (all sizes)
Valve Body
Construction
Trim Type Stem Plug Upper Seat Lower Seat/Cage
(1)
Carbon steel (1.0619 /
WCC)
Bottom Port Common S31603 strain hardened
CF3M Chrome-plated CF3M/CoCr-A
CF3M
Side Port Common S31603 strain hardened CF3M
CF3M/CoCr-A
CF3M
Stainless steel
(1.4409 / CF3M)
Bottom Port Common S31603 strain hardened
CF3M Chrome-plated CF3M/CoCr-A
CF3M
Side Port Common S31603 strain hardened CF3M
CF3M/CoCr-A
CF3M
1. HT construction includes CF3M/CoCr-- A lower seating. Seat and guide surfaces are hard--faced.
Table 4. Allowable Temperature Ranges for Valve Body, Bonnet and Trim
(1)
VALVE BODY / BONNET
MATERIAL
BONNET STYLE PACKING GASKET TRIM STYLE
TEMPERATURE
_C _F
Min Max Min Max
1.0619/SA216 WCC Steel Standard
PTFE or
Graphite ULF
Graphite laminate
Bottom Port Common,
Side Port Common
-- 2 9 232 -- 2 0 450
1.4409/SA351 CF3M SST Standard
PTFE or
Graphite ULF
Graphite laminate
Bottom Port Common,
Side Port Common
-- 4 6 232 -- 5 0 450
1.0619/SA216 WCC Steel HT Construction Graphite ULF Graphite laminate Side Port Common -- 2 9 371 -- 2 0 700
1.4409/SA351 CF3M SST HT Construction Graphite ULF Graphite laminate Side Port Common -- 4 6 371 -- 5 0 700
1. Bonnet O-ring and back-up ring materials used on BPC trim may be limited by temperature and application.
Figure 14. Material Pressure/Temperature Curves










