Designs EHAD, EHAS, & EHAT Table 38. Key 31* Seat and Liner and Key 32* Seat Ring Retainer for Liner-Style Constructions SEAT AND LINER MATERIAL PORT DIAMETER
VALVE SIZE SIZE, INCHES
CB7CU-1 (17-4PH Stainless Steel) H1075
PART DESCRIPTION
DESIGN
R30006 (Alloy 6)
SEAT RING RETAINER MATERIAL S17400 (17-4PH Stainless Steel) H1150
N07718 (Inconel 718)
Inches
mm
3
1-7/8
47.6
EHAD, EHAT, EHAS
Seat and Liner Seat Ring Retainer
38A6951X012 26A5296X082
38A6951X022 26A5296X022
4
2-7/8
73.0
EHAD, EHAT, EHAS
Seat and Liner Seat Ring Retainer
38A6953X012 26A5297X062
38A6953X022 26A5297X022
6
3-5/8
92.1
EHAD, EHAT, EHAS
Seat and Liner Seat Ring Retainer
38A6955X012 26A5298X092
38A6955X022 26A5298X022
8
5-3/8
136.5
EHAD, EHAT, EHAS
Seat and Liner Seat Ring Retainer
38A6957X012 26A5299X052
38A6957X022 26A5299X022
Table 39. Key 31* Seat Ring for Valve with Cavitrol III Trim and O-Ring Seat Ring Construction 2-STAGE
3-STAGE
S44004 (440C Stainless Steel)
S44004 (440C Stainless Steel)
3
20B6735X032
20B6734X032
4
20B6724X032
20B1222X042
6
20B1223X042
20B1221X032
8
20B6725X032
20B1220X032
VALVE SIZE, SIZE INCHES
Table 40. Key 32* Seat Ring Retainer for Valve with Cavitrol III Trim, Electrolized S17400 (17-4PH Stainless Steel) H1150 Valve Size, Inches
2-Stage
3-Stage
3 4 6 8
27A2301X052 27A4315X022 27A4353X022 27A4402X022
27A2308X032 27A4327X042 27A4365X052 27A4419X052
Table 41. Key 33* Seat Ring O-Ring or Gasket O-RING VALVE SIZE, INCHES
3 4 6 8
GASKET
Ethylene Propylene
Nitrile For MR0175
Fluoroelastomer For MR0175
For All Gasketed Seat Ring Constructions S31600 (316 Stainless Steel)/Graphite
1D2269X0062 1H6247X0072 1H7774X0032 13A5599X052
1D2269X0042 1H624706992 1H777406992 13A5599X012
1D2269X0012 1H6247X0032 1H7774X0022 13A5599X022
19A2543X012 19A4321X012 18A2808X012 18A2810X012
For Use With All O-Ring Seat Ring Constructions
Table 42. Key 36* O-Ring for Cavitrol III Trim Only Valve Size, Inches
2-Stage
3-Stage
3 4 6 8
1H2921X0022 1K8776X0052 1P5548X0032 1F4492X0012
1C6280X0042 1H2917X0022 1F7294X0032 1D2673X0032
*Recommended spare parts
37