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User manual
P/N 3-9008-556
Table 1-1: Part description for a Series 788DVC Control Valve NPS 2
Item number
3
4
5
7
8
9
10
11
12
User manual
Description
Seat ring
Standard
Piston
Standard
AP option
O-ring
Buna-N
EPR
FFKM
NBR (Low-swell)
CR
FKM
FKM GFLT
FKM V1289
O-ring
Buna-N
EPR
FFKM
NBR (Low-swell)
CR
FKM
FKM GFLT
FKM V1289
Retaining ring
Washer
Retaining ring
Spring
Light (blue)
Medium (bronze)
O-ring
Buna-N
EPR
FFKM
NBR (Low-swell)
CR
FKM
FKM GFLT
FKM V1289
Introduction
October 2019
(continued)
Part number
Quantity
2 inch
520026-690
1
520024-690
1
520024-693
152073
1
152073-005
152073-075
152073-120
152073-116
152073-022
152073-027
152073-029
157000
2
157000-005
157000-075
157000-120
157000-116
157000-022
157000-027
157000-029
1500408
1
540032
1
156488
1
530031
1
530029
157029
1
157029-005
157029-075
157029-120
157029-116
157029-022
157029-027
157029-029
17
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