Keystone Lined Butterfly Valves ATEX O&SI User guide

Brand: Keystone

Model: Lined Butterfly Valves ATEX O&SI

Type: User guide

KEYSTONE ATEX - LINED BUTTERFLY VALVES

OPERATING AND SAFETY INSTRUCTION INSTRUCTIONS

Additional Safety Instructions for Valves and Accessories being used

in a Potentially Explosive Atmosphere under ATEX 94/9/EG

REFERENCE

These are additional safety instructions to

PED document number:

NEOJV-0006.

See also: valves.emerson.com

1. Valves with an symbol can be used for

zone 1 and 2.

2. The marking on the valve and the content of

this Instruction must be observed. For the

operation of the valve in an ex-application

with gas or dust, all relevant safety

regulations must be observed. In particular:

- Directive 98/37/EC of the European

Parliament and of the Council for

Machinery.

- Directive 94/9/EC of the European

Parliament and the Council, concerning

equipment and protective systems

intended for use in potentially explosive

atmospheres.

3. Ensure that there is no risk of potential

source of ignition during maintenance

or installation. Allrequired personnel

protection means should be worn.

4. In particular, all items included in an

valve package, including valve, actuator

and all accessories must meet the sound

engineering practice and is CE marked to

ATEX in the appropriate and/or requested

ATEX Group and category. By the assembly

the installer must thoroughly follow the

operating and safety instructions provided

for each individual item of equipment.

The assembly of such a package will not

generate new source of ignition.

5. Rest danger: at disturbances and/or

deviations/disregard of the operating

parameters an uncontrolled chemical

reaction in the product area can take place.

VCOSI-01981-EN 17/02

With an installed drives a zone spreading is

not to exclude even if all necessary safety

precautions were met, exists a rest danger

by leakages or mechanical damage to the

valve.

6. Products which are accepted for ATEX are

marked with II 2 G D X or II 2 G IIC X,

“X” is the maximum possible surface

temperature can be 200°C, influenced of

the medium temperature and the operating

conditions, like the ambient temperature

and the operation frequency of the valve.

7. In applications the valve should be

connected to the electrical compensation

system (grounded to earth).

8. Final checks:

- The valve and valve flanges are tight.

- The valve functionality and operates

smoothly.

9. Measures against electrostatic loading. The

surfaces of plastic part may not be rubbed.

Cleaning only with damp cloth is permitted.

10. Accumulation of dust on the body surface

must be avoided. Extract dust with vacuum

cleaning in case of accumulation.

11. Please check also the details in the

general maintenance and installation

Instructions, available via phone number:

+41 (0) 55 254 41 41.

12. Neotecha does not accept any claim

or liability in case these performance

parameters have not been respected.

13. Use only original spare parts from Neotecha

AG. Neotecha does not take any claim

or liability in case of not using original

Neotecha spare parts or components.

For ordering spare parts, please indicate

the following data:

- Product code

- Serial number

- Year of production

14. These instructions are valid for products

with product dates from 01.07.2003 until

the next revision of these instructions.

WARNING

Respect all safety remarks mentioned in this

document before performing cleaning, service

and maintenance.

Keystone Lined Butterfly Valves ATEX O&SI User guide

Keystone Lined Butterfly Valves ATEX O&SI User guide

Keystone Lined Butterfly Valves ATEX O&SI User guide

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