Emerson KEYSTONE F320 Quick guide

KEYSTONE OPERATING AND SAFETY INSTRUCTIONS

PED - RESILIENT SEATED BUTTERFLY VALVES F320/322

Please read these instructions carefully.

HAZARD POTENTIALS

• Disregarding of instructions

• Improper use of product

• Insufficiently qualified personnel

PRECAUTIONS

WARNING

For safety reasons, it is important to take the

following precautions before you start work on

the valve:

Personnel making any adjustments to the valves

should utilize suitable equipment. All required

personal protection means should be worn.

The line must be depressurized before installing

the valve. In case of dangerous pipeline fluids,

the pipeline should be drained and flushed

properly with an appropriate cleaning fluid.

3. Personnel trained in all aspects of manual and

mechanical handling techniques must carry

out handling of all valves.

4. Misuse of the valve is not allowed.

For example: the valve, handles, actuators or

other parts may not be used as ‘climbing tools’.

5. Ensure the valve pressure/temperature

specification as indicated on the identification

label, is within the pressure/temperature

limits of the application. A full pressure/

temperature diagram can be obtained from

the Product Manual. With the use of the figure

and trim number on the valve’s identification

label, the correct diagram can be found.

6. Ensure that valve materials are compatible

with the pipeline fluid.

7. The body material is ductile iron, which is a

known brittle material and heavy impacts such

as blows with a steel headed hammer should

be avoided. This is particularly important for

applications between 0 °C and -28 °C.

The normal shelf life of the F320/322 valve

seat is 5 years under clean, dry ambient and

conditions with UV exposure prior to installation.

9. Tighten all flange bolts as per the nominated

flange standards using the diagonal sequence

method.

Before installation, these instructions must be fully read and understood

Product designation

Max. permissible working pressure

Explosive equipment classification

Nominal

diameter

Trim number

Body material

Min/Max

temperature

limits in °C

Mass

Year of construction

Identification number of

notified body

TAGPLATE - for NBR seated valves

TAGPLATE - for EPDM seated valves

Ensure that valve materials are compatible with

the pipeline fluid.

Valve application to be within the pressure/

temperature limits indicated in the P/T diagram

of the Product Manual.

If in doubt contact factory.

Check the valve’s functionality on a regular basis.

INSTALLATION

1. Handling and lifting should be performed

according the Maintenance and Installation

Instructions.

2. Keystone valves are bi-directional unless

fitted with a Flow Direction Arrow.

If a directional arrow is fitted then the valve

must be installed with the arrow pointing in

the direction of the flow.

3. For detailed installation instructions

refer to the Maintenance and Installation

Instructions for the specific product.

4. Preferred installation position of butterfly

valves is the shaft horizontal and the lower

disc-edge opening downstream.

5. Do not use the valve to spread the flanges.

6. Instructions whether to use or to omit flange

gaskets are stated in the Maintenance and

Installation Instructions.

7. In case the valve is used as spool piece

during erection of piping, do not finish weld

the flanges to the pipes with the valve bolted

between the flanges as this will result in

serious heat-damage to the seat.

8. Valve operation should be checked for

open - close positions. The disc should have

enough clearance from the pipeline in all

positions.

MAINTENANCE

!! Read all warning labels fitted to the valve

before operation or maintenance !!

Check the valve’s functionality on a regular

basis.

No additional routine maintenance is required.

REPAIR

WARNING

The line must be depressurized before carrying

out any repairs to the valve. In case of dangerous

pipeline fluids, the pipeline should be drained and

flushed with an appropriate cleaning fluid. Failure

to do so may cause serious personal injury and/

or equipment damage. Before disassembling the

valve ensure the valve has been decontaminated

correctly from any harmful gasses or liquids

and that it is within a safe temperature range for

handling. Personnel making any adjustments

to the valves should utilize suitable equipment.

All required personal protection means should

be worn. Only qualified personnel trained in all

aspects of manual and mechanical handling

techniques must carry out lifting and handling of

valves.

Use Keystone original spare parts only.

For detailed information on valve (dis)assembly

and part replacement, refer to the Maintenance

and Installation Instructions.

KEYSTONE OPERATING AND SAFETY INSTRUCTIONS

PED - RESILIENT SEATED BUTTERFLY VALVES F320/322

Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.

Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Keystone is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,

Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed

as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and

conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.

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