ANDERSON GREENWOOD OPERATING AND SAFETY INSTRUCTIONS

HIGH CAPACITY CONSERVATION VENTS (PED)

INSTALLATION

WARNING

• Read these safety precautions first.

• Read and understand this instruction manual

before installing, operating or performing

maintenance on a pressure/vacuum relief valve.

Follow all precautions and warnings noted

of the flow. See individual product type for

detailed installation instructions.

2. Remove protective covers from the valve

and end faces and any protection applied to

the valve stem (if applicable).

3. Valves are only suitable for fitting to

horizontal or vertical pipelines.

4. For flanged valves ensure mating flanges

and gaskets are clean and undamaged.

SAFETY PRECAUTION DEFINITIONS

Direct injury to personnel or damage to

equipment may result if this precaution is not

followed.

NOTE

This manual is issued for guidance only and does not

affect our standard terms and conditions and our

product limited warranty, all of which are available

upon request

Maintenance

The relief valve must be isolated from tank

These instructions relate to manual and spring

loaded valves. For individual product designs

see separate instructions.

Operation

See individual operating instructions.

Discharge of process gas must be to a safe

area, which cannot cause damage or injury to

plant or personnel.

All process gases which are hazardous

must either be piped away or, if open to the

before operation or maintenance

Spare parts

When spare parts are required, the customer

should quote the valve size, serial number,

the item number and the material of the parts

required. The valve size and serial number can

be obtained from the identification label. The

item number and description can be obtained

from the general arrangement drawing. Care

should be taken to quote the correct material,

flushed clean.

6. Ensure mating pipe flanges are aligned

correctly; bolting should be inserted easily

through mating flange holes. Tighten the

flange bolts in a diagonal pattern.

Routine maintenance

Where routine maintenance is required, other

than periodic inspection to ensure satisfactory

operation and sealing, please see individual

product type. Any sign of leakage from the

depressurization and in accordance with the

relevant Maintenance instruction. Only original

spares should be used.

2

ANDERSON GREENWOOD OPERATING AND SAFETY INSTRUCTIONS

HIGH CAPACITY CONSERVATION VENTS (PED)

STORAGE / PROTECTION / SELECTION

Storage

When valves are to be stored for some time

before being fitted, storage should be in the

Protection

Valves are delivered with protection according

to customer’s specification, or with the Quality

Assurance manual, to protect the valve

seats and closure member from damage.

Wrappingand/or covers should be left in place

until immediately before fitting to the pipe.

Selection

Ensure the valve’s materials of construction

and pressure/temperature limits shown on the

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.

Emerson.com/FinalControl