Injection Quill In Piping 
Description
The pig signaller is an instrument used in the oil and gas industry. Its function is to detect the passage of pipe cleaning pigs. When the pig passes its location, the pig signaller will give people a response showing the passage of the pipe cleaning pig. Different pig signallers have different ways of cleaning pig passages. For example, a pig signaller with a flag shows the direction of the passage through the flag. They combine with electronic signals and pass through signal display channels. Date and time display pig passages on the screen display channel.
The Flange Connection 20 mm Adjustable Pig Signaller in this photo is intrusive. It connects to the pipe by a flange. You can adjust the depth of the pipe insertion by 20mm. The type of pig signal in the figure combines a manual reset sign and an electronic signal. This trigger type operates bidirectionally. We can also provide a one-way trigger. We customize it according to customer needs.
The intrusive pig installs in the string and physically interacts with the pig as it passes through the string. An intrusive pig can be a mechanical switch, a magnet, or a signal that transmits a signal when the pig contacts it. Intrusive pig signalers may require special fittings in the pipe for their insertion and removal.
| Name | Flange Connection 20 mm Adjustable Pig Signaller |
| Connection | Flange Connection |
| Plug body length | 200mm |
| Operating temperature | —20～120℃/Meet customer requirements |
| NACE MR 01- 75 | Yes |
| Ingress protection | IP65/IP66 |
| Explosion-proof class | ExdⅡ BT4 |
| Remove under pressure | No |
| Trigger type | Bi-directional/Uni-directional |
| Adjustable length | 20mm |
| Internal part material | 316SS/DSS/INCONEL |
| Insert depth | 21mm(Bi)/13mm(Uni) |
| Flange/Body material | PTFE coated A105N/304SS/316SS/DSS/INCONEL(As per MR) |
Advantages of the Pig Signaller
Flange Connection
Flange connections provide a secure and reliable joint. They ensure a tight seal, preventing leaks. Installation is straightforward, reducing setup time. Flange connections allow easy disassembly for maintenance or inspection. They accommodate misalignment, enhancing flexibility in pipeline systems. These connections are compatible with various materials, offering versatility. Flange connections support high-pressure and high-temperature applications. They are widely used, ensuring availability of parts and expertise.
20 mm Adjustable Pig Signaller
The 20 mm adjustable pig signaller offers precise measurement capabilities. Adjustability allows fine-tuning for different pipeline conditions. It enhances accuracy in detecting pig passage. The small size reduces interference with pipeline flow. Installation is quick and requires minimal modifications. This signaller is lightweight, making handling easier. Adjustability ensures compatibility with various pig types and sizes.
Parameters of 20 mm Adjustable Pig Signaller
| Configuration parameter | |||
| ●standard configuration | ○Optional configuration | — No | |
| Trigger type(b-bidirectional /f-bidirectional feather /u-u-unidirectional) | ○/○/● | ||
| Flag trigger interagency interaction (no / Yes _ the flexibility of the trigger mechanism can be checked online) | —/● | —/● | —/— |
| Wetted part material(316L SS/DSS/INCONEL) | ●/○/○ | ||
| Flange/welding base material(PTFE Coated A105N/304SS/316LSS/DSS/INCONEL/According to customers’ needs) | ● /○/○/○/○/○ | ||
| Liquid level position in the machine (high _ requires heat tracing / low _ does not require heat tracing) | —/● | ||
| Output junction box(aluminum alloy /316ss) | —/— | ●/○ | ●/○ |
| Output switch (DPDT/SPDT) | —/— | ○/● | ○/● |
| Switching capacity (DC24V 3A/DC24V 5A) | —/— | ●/○ | ●/— |
| Output interface size (M20 × 1.5(F)/1/2″NPT(F)) | —/— | ●/○ | ●/— |
| Pressurized handling tools(2 full thread studs / synchronous special tools) | ●/○ | ||
| Insertion depth adjustment range (±10mm) | ● | ||
Basic Features
- Type: Intrusive
- Connection type: Flange connection
- Indicator feature: Manual reset flag combined with electrical signals (Manual reset flag and Date and time display combined with electrical signals can also be made)
- Installing type: 2” Flange. As per ASME B16.5(CLASS150-2500)
- Plug body length: 200mm/Meet the actual needs
- Insert depth adjustment: 20mm
- Operating temperature: -20~120℃/Meet customer requirements
- NACE MR 0175: Yes
- Ingress protection: IP66
- Explosion-proof class: Exd II BT4
- Remove under pressure: No
- Trigger type: Bi-directional (Uni-directional trigger can also be made)
- Internal part material: PTFE Coated A105N is standard configuration (304SS/316LSS/DSS/INCONEL/As per MR can meet customer needs)
- Junction box material: Aluminium alloy/316SS
- Switch type: DPDT/2*SPDT
- Switch rating: DC24V 3A/DC24V 5A
Indicator Types
| Indicator Types | ||||
 |  |  |  | |
| Indicator Types | A | B | C | D |
| Intrusive Type | Intrusive | Intrusive | Intrusive | Non-intrusive |
| Indicator Features | Popper Type | Manual reset flag | Manual reset flag combined with electrical signals | Date and time display combined with electrical signals |
Intrusive Type: Popper Type
The popper type intrusive pig signaller uses a mechanical pop-up indicator. It visibly signals the passage of a pig. This type is simple and reliable. Operators can easily reset it after activation.
Intrusive Type: Manual Reset Flag
The manual reset flag type also uses physical interaction. It has a flag that pops up when a pig passes. Operators must manually reset the flag. This type is cost-effective and straightforward.
Intrusive Type: Manual Reset Flag Combined with Electrical Signals
This type combines a manual reset flag and electrical signals. It provides both visual and electronic notifications. The system enhances monitoring with real-time updates. Operators can manually reset the flag after the pig passes.
Non-Intrusive Type: Date and Time Display Combined with Electrical Signals
The non-intrusive type uses sensors to detect pig passage without entering the pipeline. It features a date and time display combined with electrical signals. This type provides precise tracking and electronic records. It offers easy installation and minimal maintenance.
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