Top Quality of Instrument needle valve – common information
Instrument Needle valve (depending on the type of valve and stem applied) are used to command flow rates, to open or close the flow completely and for measuring media. As against to ball valves, the needle valve is opened and closed by turn a knob many times. The procedure is gradual, no unexpected rise or drop of pressure occurs, which is critical mainly for high pressure gas demands and high flow velocity. The needle valve, with a exceptional regulating stem in particular, can be used to command the flow rate in a system.
When an application requires really correct dosing of a medium, then metering needle valve are used. In this type of valves the medium flows through a scaled hole in the place of the valve. A tapered needle is in that place. Motion of the needle closes or opens the flow granting precise dosing of the medium by simple accomdation with the knob.
The construction of precision Instrument needle valve is tested for production at burst pressure and at test pressure; stem is strom-out proof; Every ball valve is tested with nitrogen at 1000 psi (69 bar) for leaks in the body and seals to verify leak-tight shut-off and extended service life. The valves are created of corrosion-resistant materials, whereas the right sealing material can be selected from many options so as to match any medium, pressure or temperature. Come with several various connections: threaded, join-in and double ferrule connectors (LET-LOK®).
How does a Q type Pigtail Syphon 180 work?
The Q type pigtail Syphon installed between instrument and process filled with a liquid. The pressure medium forms a condensate and is gathered inside the pigtail portion of the syphon that prevents the high temperature process fluid or vapours from coming in direct contact with the instruments.
Note:Â It is recommended to fill pigtail syphon with water or any suitable separating liquid before installation.
Alternatives in Q type Pigtail Syphon, 180 Degree
We as a manufacturer of the Q type pigtail syphon have made available in the wide array of design as per the application requirements, including NPT, BSP, Butt Weld, flanges, Socket Weld or Compression outlets.
The provided pigtail syphon can be selected in terms of pipe schedule or pressure rating
| Category | Available Options |
|---|---|
| Pipe Schedule | SCH 40, SCH 80, SCH 160, SCH XXS |
| Pressure Rating | 3000 psi, 6000 psi, 10000 psi |
| Common Pipe Sizes | 3/8″, 1/2″, 3/4″, 1″ |
Available Customizations
- Different Diameter of Coil
- Different Length of Coil
- Different End Connections
- Option of Multiple Coils in same Syphon
Material options
- Stainless Steel
- Brass, Steel
- Monel, Hastelloy C
- Incoloy, Inconel 600.
Q type Pigtail Syphon, 180 Degree Applications
To protect pressure measuring instruments from excessive heating
To protect pressure measuring instruments from vibration
As a cooling element for gases, fluids and vapours in pressure instrument
For direct mounting to the pressure connection of the pressure measuring instrument
The steam syphon tube is used for steam boiler Applications
Note:
The comprehensive Syphon range offered by us is 100% pressure hydrostactically tested and conforms to DIN 16282 industrial standards
Customized range of the pressure gauge syphon is available on request
* Contact Sales for pricing and availability.