User Manual
Document no. / rev.: ROX000337352_AE
Hydraulic Retrieval Tool
8
2.2
Service Valve
The service valve is a double isolating type, meaning that it has two balls that can be closed
individually. The service valve also has by-pass valves for each of the balls and a separate bleed valve.
Figure 3: Double isolating service valve
The double isolation service valve consists of the following main components:
1. End section
2. Main body upper section
3. Main body, service valve
4. By- pass valves (2x)
5. Ball lever (2x)
6. Bleed valve
*Internals (isolation balls and seals) are not shown
2.3
Hydraulic Access Fitting
The Hydraulic Access Fitting has either a welded or flanged connection to the pipe and holds the plug
and/or any type of monitoring device. A heavy-duty cover holds the plug in position during normal
operation. A system of 4 locking pins holds the plug in position when cover is removed for retrieval
operations.
