Flowserve E-Series Two-Piece User Manual

E-series two-piece, flanged-end ball valves, Installation, Stem seal adjustment

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1. Installation

These valves may be installed in any position
using good pipe fitting practices. Flanges con-
form to ANSI Standards B16.5 Class 150 or
Class 300.

A. Periodically check and tighten nuts (15).

(See Table 1 for torque requirements.)

a

WARNING: Extreme care must be

exercised during adjustment of stud nuts
to make sure that complete engagement
of studs with body flange is maintained.
There should be at least one thread of
stud exposed on each side of the joint.

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 appar-
ent after

1

/

2

turn.

3. Disassembly

for Seal Replacement

a

WARNING

A. Begin with the valve partially open in a

depressurized line.

B. Remove flange bolts and nuts (not pro-

vided) and lift body (11) from line for
servicing.

NOTE: Care should be taken to avoid
scratching or damaging gasket surface
on flange face.

McCANNA/MARPAC Valves

WCAIM2004

(Part IM008)

E-Series Two-Piece, Flanged-End Ball Valves

2"-12" Classes 150 & 300 Regular and Full Port, Models ERP1, ERP3, EFP1, EFP3

Installation, Operation and Maintenance Instructions

No.

Description

1

Handle

2

Stem

3

Stop Pin (not shown)

4

Handle Retainer Nut

5

Travel Stop

6

Gland Ring

7

Actuator Mounting Flange

8

Ball

No.

Description

9

Seat (2)

10

Stem Seals (Table 3)

11

Body

12

Body Seal

13

Grounding Washer

14

Adjusting Nut

15

Studs and Nuts

16

Body End

1

4

2

14

5

10

15

16

12

8

11

9

13

7

6

Figure 1

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