Safety Information; Correct Use; Description - GEM 650 Special function J Operating Instructions Manual

2 Safety information

The safety information in this document refers only to an indi-
vidual product. Potentially dangerous conditions can arise in
combination with other plant components, which need to be
considered on the basis of a risk analysis. The operator is re-
sponsible for the production of the risk analysis and for com-
pliance with the resulting precautionary measures and re-
gional safety regulations.
The document contains fundamental safety information that
must be observed during commissioning, operation and main-
tenance. Non-compliance with these instructions may cause:
- Personal hazard due to electrical, mechanical and chemical
effects.
- Hazard to nearby equipment.
- Failure of important functions.
- Hazard to the environment due to the leakage of dangerous
substances.
The safety information does not take into account:
- Unexpected incidents and events, which may occur during
installation, operation and maintenance.
- Local safety regulations which must be adhered to by the
operator and by any additional installation personnel.
Prior to commissioning:
1. Transport and store the product correctly.
2. Do not paint the bolts and plastic parts of the product.
3. Carry out installation and commissioning using trained
personnel.
4. Provide adequate training for installation and operating
personnel.
5. Ensure that the contents of the document have been fully
understood by the responsible personnel.
6. Define the areas of responsibility.
7. Observe the safety data sheets.
8. Observe the safety regulations for the media used.
During operation:
9. Keep this document available at the place of use.
10. Observe the safety information.
11. Operate the product in accordance with this document.
12. Operate the product in accordance with the specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not de-
scribed in this document without consulting the manufac-
turer first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
www.gemu-group.com

3 Correct use

Danger of explosion!
▶ Risk of severe injury or death
●
●
Improper use of the product!
▶ Risk of severe injury or death
▶ Manufacturer liability and guarantee will be void
Only use the product in accordance with the operating
●
conditions specified in the contract documentation and in
this document.
The product is designed for installation in piping systems and
for controlling a working medium.
1. Use the product in accordance with the technical data.
2. Note the supplement acc. to ATEX

4 Description

The GEMÜ 650 and 687 2/2-way diaphragm valve with special
function J is suitable for operating pressures of up to 16 bar.
It is available with a "Normally Closed (NC)" control function.
The diaphragm is made of PTFE/EPDM (code 5M).
GEMÜ 650
Diaphragm size: 10, 40
GEMÜ 687
Diaphragm size: 25, 40, 50
5 / 52
DANGER
Do not use the product in potentially
explosive zones.
Only use the product in potentially ex-
plosive zones confirmed in the declara-
tion of conformity.
WARNING
GEMÜ 650 / 687 Special function
4 Description
J