Parts List
Key Description
Part Number
Spare Parts Kit, included are keys 9, 10,
11, 12, 25, 42 and 45
(see Table 4 for Trim Option Codes)
Standard Trim
RT208XXDD12
VV Trim
RT208XXVV12
TN Trim
RT208XXTN12
TV Trim
RT208XXTV12
TK Trim
RT208XXTK12
TE Trim
RT208XXTE12
1
Body
See Table 3
2
Cap Screw (2 required)
For Gray cast iron or WCC Carbon steel casing
1C856228992
For LCC Carbon steel or
CF8M/CF3M Stainless steel casing
18B3456X012
3
Spring Case
Gray cast iron
ERSA02558A0
WCC Carbon steel, NACE
(2)
ERSA00195A1
CF8M/CF3M Stainless steel, NACE
(2)
ERSA00195A0
LCC Carbon steel
ERSA00195B0
4
Lower Casing
Gray cast iron
47B2271X012
WCC Carbon steel
ERSA00196A1
CF8M/CF3M Stainless steel, NACE
(2)
ERSA00196A0
LCC Carbon steel
ERSA00196C3
5*
Orifice, 7/16 in. / 11 mm
Stainless steel
0L0832X0012
6
Spring
See Table 2
7
Diaphragm Head (2 required)
Stainless steel
17B9723X032
8
Pusher Post
For Nitrile (NBR) or Fluorocarbon (FKM) Diaphragm
Stainless steel, NACE
(2)
18B3462X012
For Fluorinated Ethylene Propylene (FEP)
Diaphragm
Stainless steel, NACE
(2)
ERSA00876A0
9
Diaphragm Gasket, Nitrile (NBR)
(For Fluorinated Ethylene
Propylene (FEP) Diaphragm)
ERSA00713A0
10* Diaphragm
Nitrile (NBR)
17B9726X012
Fluorocarbon (FKM)
23B0101X052
Fluorinated Ethylene Propylene (FEP)
ERSA00193A0
11* Body Seal O-ring
Nitrile (NBR)
1H993806992
Fluorocarbon (FKM)
1H9938X0012
Perfluoroelastomer (FFKM)
1H9938X0042
EPDM 1H9938X0022
12* Insert Seal O-ring
Nitrile (NBR)
1B885506992
Fluorocarbon (FKM)
1B8855X0012
Perfluoroelastomer (FFKM)
1B8855X0062
EPDM 1B8855X0022
13* Disk Assembly
Stainless steel with
Nitrile (NBR)
ERSA01112A0
Fluorocarbon (FKM)
ERSA01112A1
Perfluoroelastomer (FFKM)
ERSA01112A2
EPDM
ERSA01112A3
14 Stem, Stainless steel
ERSA00200A0
16 Lever Assembly, Stainless steel
1B5375000B2
17 Machine Screw (2 required)
Stainless steel
19A7151X022
Key Description
Part Number
18 Guide Insert, Stainless steel
27B4028X022
19
Upper spring seat
(1)
, Steel
1J618124092
20
Lock Nut
(1)
1A413224122
22 Closing Cap
Plastic
(standard)
T11069X0012
Steel 1E422724092
Stainless steel
1E422735072
Carbon steel
(1)
ERSA01809A0
23 Hex Nut (8 required)
For Gray cast iron or WCC Carbon steel casing
1A345724122
For LCC Carbon steel or
CF8M/CF3M Stainless steel casing
1A3457K0012
24 Cap Screw (8 required)
For Gray cast iron or WCC Carbon steel casing
1A579724052
For LCC Carbon steel or
CF8M/CF3M Stainless steel
1A5797T0012
25* Closing Cap Gasket, Neoprene (CR)
1P753306992
26
Vent Assembly
Spring Case Down (Type Y602-1)
(standard)
17A6570X012
Spring Case Up (Type Y602-11)
17A5515X012
27 Pipe Plug (Type T208 only) (not shown)
Carbon steel
(standard)
1A369224492
Stainless steel, NACE
(2)
1A369235072
30* Stem Seal O-ring (Type T208M only)
Nitrile (NBR)
1H2926G0012
Fluorocarbon (FKM)
1H2926X0022
Perfluoroelastomer (FFKM)
1H2926X0042
EPDM
1H2926X0012
31* Throat Seal O-ring (Type T208M only)
Nitrile (NBR)
1D682506992
Fluorocarbon (FKM)
1D6825X0012
Perfluoroelastomer (FFKM)
1D6825X0032
EPDM
1D6825X0042
34 Machine Screw (Type T208M only)
Stainless steel
18A0703X022
35 Adjusting Screw
Internal Flat Circular
(standard)
1B537944012
External Square Head
(1)
For Green and Light blue spring
10B3080X012
For Black spring
1D995448702
36 Washer, Plated Carbon steel
18B3440X012
38 Cap Screw, Zinc-plated steel
1B290524052
41 Back Disk Spring
Stainless steel
1E984637022
Inconel
®
, NACE
(2)
18B0255X012
42* Back Body Seal O-ring
Nitrile (NBR)
13A1584X012
Fluorocarbon (FKM)
13A1584X022
Perfluoroelastomer (FFKM)
13A1584X032
EPDM 13A1584X042
43 Back Body Cap
Stainless steel
1F2737X0012
44 Disk Spacer
Stainless steel
ERSA00198A0
45* Diaphragm Head Gasket, Composition
18B3450X012
46 Nameplate
- - - - - - - - - - -
47 Drive screw, Stainless steel (2 required)
1A368228982
48 Flow arrow
- - - - - - - - - - -
49 Backup Ring, Stainless steel
18B3446X012
50 Lower Spring Seat, Zinc-plated steel
1B636325062
51
NACE Tag
- - - - - - - - - - -
52 Tag Wire
- - - - - - - - - - -
*Recommended Spare Part
1. Use for optional external square head adjusting screw assembly recommended for 0.9 to 2.5 psig / 62 to 172 mbar, 1.3 to 4.5 psig / 90 to 310 mbar and 3.8 to 7 psig / 0.26 to 0.48 bar
spring ranges only.
2. NACE Standard MR0175-2002.
Inconel
®
is a mark owned by Special Metals Corporation.
9
T208 Series