The 302 pressure gauge buffer tube, also known as the pressure gauge bend or condenser tube, is a fitting used to connect the pressure gauge with the equipment or pipeline measured by the pressure gauge. It is used to buffer the instantaneous impact of the measured medium on the pressure gauge spring tube and reduce the temperature of the measured medium. It is a device for protecting the pressure gauge.
| code |
material |
Valve body and sealing surface materials |
Applicable temperature |
equipment pressure |
| 302 |
Brass |
|
|
1.0Mpa |
Gauge bends (also known as buffer, condenser, or siphons) are primarily used in pressure gauge applications to protect the gauge from media shocks and high temperatures, thereby extending its service life and ensuring accurate measurements. Its main applications include:
Buffer impact: when the measured medium has instantaneous pressure fluctuation or impact, the meter bend can absorb and disperse these impact forces through its bending shape and the "water column" or "steam condensate" formed by the medium in the pipe to avoid direct damage to the internal mechanical structure or sensor of the pressure gauge.
Reduce the medium temperature: for high-temperature medium (such as steam), the gauge bend will condense it before entering the pressure gauge, forming a layer of water or isolating liquid, reducing the medium temperature entering the pressure gauge and preventing the superheated medium from damaging the pressure gauge.
Equipment safety protection: through buffering and cooling, the gauge bend can effectively protect the pressure gauge from failure due to improper medium, so as to avoid huge losses and safety hazards caused by pressure gauge failure.
Applicable to various media and scenarios: meter elbow is applicable to measuring high-temperature steam, condensable hot gas and other media that may cause transient impact. For example, the application of meter bend can be seen in the fire pump outlet pipe, oil pipe, thermal pipe network and other systems
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A: Our business scope is service of exporter automation parts with full container, and sell air cylinder , air source treatment , solenoid valve , air valve, motorize valve , Brass valve, hydraulic valve, hydraulic cylinder, air and oil fitting, pressure gauge etc .
Q: What types of products you can make ?
A: We can make many kinds of stainless steel, brass ,aluminum materials processing .like high pressure Valve / solenoid valve / electric valve / water valve/pneumatic valve/air cylinder/hydraulic valve/hydraulic accumulator products and so on .
Q: Can the product be made with our logo and brand ?
A: Yes , of course , we can make . we are OEM supplier for years and professional to make . But you need give us the authorization if it is possible .
Q:Can you provide original famous pneumatic and hydraulic,instruments brand goods ?
A: Yes,We can supply like Festo,Smc,Ckd,Burket,Hydac,Rexroth,Siemens,Rosemount,Marsh ,Endress+Hauser etc.
Q: Is there a warranty available?
A: Yes, normally products is one year quality guarantee.
Q: Is the connector in British or Metric system? What is the difference between PT, NPT, and G threads?
A: The G thread is cylindrical and does not seal itself, requiring additional gaskets to prevent leakage. PT and NPT are conical, and the internal and external threads become tighter and tighter when tightened. Sealing is achieved through the deformation of the threads, and sealant or tape is usually used in conjunction to enhance the sealing effect
G-thread is a cylindrical straight pipe used for non sealed connections; PT thread is a conical tube that relies on the deformation and sealing of the thread itself; NPT is also a conical tube with a tooth profile angle of 60 degrees, mainly used in North America
Q: How to convert pressure units: MPa, bar, psi, kg/cm ²?
A: 1MPa=10bar≈145psi≈10kg
Q:What usually causes the burnout of solenoid valve coils?
A:Incorrect voltage and hz, frequent switching, pilot head entering liquid,valve core and spring problem,environment hot,heavy vibration etc.
Q: What should be noted for pneumatic components in high temperature or extremely cold environments?
| Focus Point |
High Temperature Environment Countermeasures |
Extreme Cold Environment Countermeasures |
| Seals |
Fluororubber, PTFE |
Low-temperature nitrile, silicone rubber, polyurethane |
| Lubrication |
High-temperature synthetic grease (low volatility) |
Low-temperature grease (low pour point, low viscosity) |
| Air Supply Treatment |
Strengthen cooling, efficient water removal |
Ultra-low dew point drying (refrigeration + adsorption type), heat tracing |
| Metal Components |
Reserve expansion clearance |
Select materials with low-temperature toughness, prevent leakage due to cold shrinkage |
| Control Components |
High heat-resistant grade coils, heat dissipation, low power consumption |
Install insulation boxes, local heating, prevent cold condensation |
| Installation |
Keep away from heat sources, add heat insulation plates |
Avoid exposure to wind and snow, wrap with thermal insulation materials |
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