Flowserve E-Series Unibody Flanged User Manual
E-series unibody flanged end ball valves, Models efp1, Installation
McCANNA Valves
1. Installation
These valves may be installed in any position. The installation of these
flanged end valves require no special instruction—just the use of
good pipe fitting practices. Flanges conform to ANSI Standards B16.5
1988 Class 150 (ERP1 or EFP1) or Class 300 (ERP3).
2. Stem Seal Adjustment
If leakage is evident in stem packing area, tighten the adjusting nut
1
/
4
turn. If leak still persists, repeat above. Replacement of stem seals
(10) is indicated if the leak is still apparent after
1
/
2
turn.
3. Disassembly for Seal Replacement
a
WARNING: Begin with the valve partially open in a depressurized line.
A. Remove flange bolts and nuts (not provided) and lift body (11)
from line for servicing.
IM002G
E-Series Unibody Flanged End Ball Valves
Models EFP1:
1
/
2
" – 1
1
/
2
"; ERP1: 2" – 4"; ERP3: 1
1
/
2
" – 4"
Installation, Operation and Maintenance Instructions
Item
Description
1
Handle
2
Stem
3
Stop Pin (not shown)
4
Handle Retainer Nut
5
Travel Stop (1" and larger only)
6
Gland Ring
7
End Adaptor
8
Ball
9
Seat (2)
10
Stem Seals
11
Body
12
End Seal
13
Grounding Washer
14
Adjusting Nut
15
Seat Socket (
1
/
2
" – 1
1
/
2
" EFP1 & 2" ERP1 only)
16
Spacer Seal (
1
/
2
" – 1
1
/
2
" EFP1 & 2" ERP1 only)
12
8
11
9
13
6
1
4
2
14
5
Sizes
1
/
2
" – 1
1
/
2
" — Full Port CLASS 150 - EFP1
Sizes 2" – 4" — Regular Port CLASS 150 - ERP1
Sizes 2" – 4" — Regular Port CLASS 300 - ERP3
7
10
16
15
12
8
11
9
13
7
6
1
4
2
14
5
10