1
APV_DKR2 ATEX_UK-0_022018.indd
UK
Double Seat Ball Valve DELTA DKR2
ATEX Design
Instruction Manual: UK-0
APV
Content Page
1
General Terms
2
1.1. Symbols
1.2.
Responsibility for ATEX certification - Scope of supply
2.
Safety Instructions
3 - 4
3.
Identification of valves, Temperature classes, Responsibilites
5 - 6
3.1.
Identification of valves for application in ATEX environment
3.2.
Temperature classes and permissible temperatures
3.3. Responsibilities
4.
Intended Use
6
5.
Mode of Operation
7 - 8
5.1.
General terms
5.2.
Potential equalization
5.3.
Operating leakage reduction
5.4.
Operating leakage drain
6.
Cleaning
9
6.1.
Cleaning recommendation
7.
Installation
10
7.1.
Welding instructions
7.2.
Assembly inserts
8.
Dimensions / Weights
11
9.
Technical Data
12 – 13
9.1
General data
9.2.
Compressed air quality
9.3.
Max. tightening torque in Nm
9.4.
Operating leakage at about 5 bar in l (opening and closing process)
9.5.
Operating leakage at about 5 bar in l with operating leakage reducer
9.6.
Pneumatic air consumption
10.
Materials
13
11.
Maintenance
14 - 15
12.
Service Instructions
16 - 19
12.1. Dismantling from line system
12.2. Dismantling of seals and guide bands
12.3. Installation of seals and guide bands
12.4. Assembly of valve
12.5. Adjustment of operating position
12.5.1 Adjustment of operating position with FG flanges
12.5.2. Adjustment of operating position without FG flanges
13.
Service Instructions
20 - 21
13.1. Leakage reduction for DKR ball valve
13.1.1. Installation of the leakage reduction
13.2. Leakage drain for DKR ball valve
13.2.1 Installation of leakage drain
14.
Detection of Seal Damage
22
15.
Spare Parts Lists
Double seat ball valve 1+2S Ex II -/2D IIB TX
RN ATEX 01.071
Turning actuator K-80, K-125, K-180
RN 01.073