Flowserve SB Control Valves User Manual

Segmented V-port Ball Valves

FCD VLENIM4152-01 07.09

USER INSTRUCTIONS

Experience In Motion

Contents

General 1

Lifting 2

Receiving inspection 3

Installation 4

Flange gaskets 5

Starting up 6

List of materials and spare parts 7

Ordering of spare parts 8

Maintenance 9

To remove the valve from the pipework 9.1

To inspect the ball sector and seat ring 9.2

To inspect and replace the upper shaft

seal of Safeguard type 9.3

To inspect and replace the upper shaft

seal of ZebraCL™ type 9.4

To change the gasket at the lower stem 9.5

Fitting the actuator to the valve 10

1. General

The instructions and list of spare parts are applicable to

ShearStream SB ball sector valves in accordance with

catalogue sheet FCD NFEETB4152-01.

2. Lifting

All lifting must be carried out on the valve itself and not

on the actuator. The joint between the valve and the actua-

tor is designed for carrying the operating torque and the

weight of the actuator - see Fig. 1.

Fig.1 Lifting of the valve

3. Receiving Inspection

All valves leaving our plant are inspected and tested in

accordance with the relevant requirements or in accor-

dance with the requirements specifi ed by the purchaser.

Valves equipped with actuators are subject to functional

testing and are adjusted in such a manner that every unit

during transport, it is advisable that receiving inspection

We would suggest the following inspection procedure:

- Check that

the valve delivered is correct in

terms of type, size, equipment

- Examine the valve, actuator and valve positioner

regarding possible damages

3

4. Installation

the pipework is

free from impurities

the valve is to be installed are parallel and are correctly

aligned, and that the distance between the pipe ends

corresponds to the valve length, including gaskets.

The

valve could not be used for forcing together or aligning

as this will cause loads on the valve

and pipe which may lead to diffi cult damages during

operation. See Fig. 3.

Wrong installation Correct installation

ShearStream SB

valves can be installed in any position

opposite direction.

We also recommend that the valve is mounted with

the stem pointing vertically upwards when the valve is

The pipes should be supported on each side of the

valve

vibrations.

for

with a pneumatic actuator and valve positioner.

5. Flange Gaskets

Gaskets with sizes according to ANSI B16.5, Table E1

6. Starting up

damage the sealing surfaces of the valve and impede its

operation will be fl ushed away.