Data Sheet

GX Control Valve and Actuator
D103171X012
Product Bulletin
51.1:GX
March 2012
8
Table 2. Materials (Other Valve Components)
Component Material
Packing Follower S21800 SST screwed follower
Body/Bonnet Bolting
and Nuts
SA193-B7 studs / SA194-2H nuts with NCF2 coating for carbon steel and stainless steel constructions
DN 15 through DN 100: S20910 (XM19) for alloy (standard) and stainless steel assemblies (optional)
DN 150: SA193-B7M s tuds / SA194-2HMnutswithNCF2coating(optional)
Packing
Live-loaded PTFE V-ring (standard) with N07718 Belleville springs
Live-loaded Graphite ULF (optional) with N07718 Belleville springs
Bonnet Gasket
DN 15 through DN 150: Graphite laminate
DN 15 through DN 100: PTFE encapsulated N10276 (optional) Applicable from -46 to 232_C(-50to450_F)
(May be preferable when the standard graphite laminate gasket material is not compatible with the process fluid)
NACE
MR0175/ISO15156
(1)
andNACEMR0103
Construction
DN 15 through DN 100
Stainless steel, or carbon steel valve bodies and bonnets
SA193-B7 studs / SA194-2H nuts with NCF2 coating (S20910 SST optional) body/bonnet bolting
Standard live-loaded PTFE packing
S31603/CoCr-A plug, S20910 stem, and S31603/CoCr-Aseatring
DN 150 SA193-B7M studs / SA194-2HM nuts with NCF2 coating
Balanced Trim
(Sizes DN 80, 100, and
150 / NPS 3, 4, and 6)
Carbon-Filled PTFE Seal Ring
Back-up Rings
Nitrile (Standard) -46 to 82_C(-50to180_F)
Ethylene Propylene [EPDM] (Optional): -46 to 232_C(-50to450_F) in steam and hot water;
-46 to 121_C (-50 to 250_F) in air (EPDM is not recommended for use in hydrocarbons)
FKM (fluorocarbon) (Optional): -18 to 204_C (0 to 400_F) (Applicable in a wide variety of solvents, chemicals, and
hydrocarbons. Avoid use with steam, ammonia, or hot water over 82_C [180_F])
1. Environmental restrictions may apply.
Table 3. Trim Materials for Port Diameters of 4.8 mm (Micro-Flow trim) (Unbalanced Trim)
Valve Body Construction Trim Type Stem Plug Seat
Carbon steel (1.0619 / WCC
and LCC)
Metal to metal S31603 strain hardened R31233 SA351 CF3M
Hard-faced S31603 strain hardened R31233 SA351 CF3M / CoCr-Aseat
Metal to metal N06022 R31233 CW2M
Stainless steel
(1.4409 / CF3M)
Metal to metal S31603 strain hardened R31233 SA351 CF3M
Hard-faced S31603 strain hardened R31233 SA351 CF3M / CoCr-Aseat
Metal to metal N06022 R31233 CW2M
CW2M/CN7M
(1)
Metal to metal N06022 R31233 CW2M
Duplex SST (CD3MN)
(1)
Metal to metal S31803 (Duplex SST) R31233 CD3MN (Duplex SST)
304L SST (CF3)
(1)
Metal to metal S31803 (Duplex SST) R31233 CF3 (304L SST)
1. Not available in DN 15 and DN 20 (NPS 1/2 and 3/4) sizes.
Table 4. Trim Materials for Port Diameters of 9.5 and 14 mm (Unbalanced Trim)
Valve Body Construction Trim Type Stem Plug Seat
Carbon steel (1.0619 / WCC and
LCC)
Metal to metal S31603 strain hardened S31603 SA351 CF3M
Hard-faced S20910 S31603 / CoCr-Aseat SA351 CF3M / CoCr-Aseat
Metal to metal N06022 N06022 CW2M
Stainless steel
(1.4409 / CF3M)
Metal to metal S31603 strain hardened S31603 SA351 CF3M
Hard-faced S20910 S31603 / CoCr-Aseat SA351 CF3M / CoCr-Aseat
Metal to metal N06022 N06022 CW2M
Carbon steel to NACE
MR0175/ISO15156
(2)
and NACE
MR0103 (1.0619 / WCC)
Hard-faced S20910 S31603 / CoCr-Aseat SA351 CF3M / CoCr-Aseat
Stainless steel to NACE
MR0175/ISO15156
(2)
and NACE
MR0103 (1.4409 / CF3M)
Hard-faced S20910 S31603 / CoCr-Aseat SA351 CF3M / CoCr-Aseat
CW2M/CN7M
(1)
Metal to metal N06022 N06022 CW2M
Duplex SST (CD3MN)
(1)
Metal to metal S31803 (Duplex SST) S31803 (Duplex SST) CD3MN (Duplex SST)
304L SST (CF3)
(1)
Metal to metal S31803 (Duplex SST) S30403 (304L SST) CF3 (304L SST)
M35-2
(1)
Metal to metal N05500 N05500 N05500
N7M (Alloy B2)
(1)
Metal to metal N10665 (Alloy B2) N10665 (Alloy B2) N7M (Alloy B2)
1. Not available in DN 15 and DN 20 (NPS 1/2 and 3/4) sizes.
2. Environmental restrictions may apply.