Circuit valve, primary pressure control valve MD-22 type primary pressure control valve (for oil)
- Where to use
- Fuel oil
Major features
- By using heat resistant synthetic rubber, it can be used up to high temperatures.
- In the pressure detection part, the diaphragm serves as a wetted part, improving wear resistance.
specification
| Product code | MD22-M □The symbol of the set pressure adjustment range is entered in □. |
|---|---|
| Valve type | Primary pressure control valve |
| Nominal diameter | 20-50 (3/4-2) |
| Applicable fluid | Fuel oil (A / B / C heavy oil), oilIn the case of fuel oil, gasoline, light oil, etc., the material of the main body may be specified depending on the destination (Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, etc.), so please specify the material after checking. |
| Fluid temperature | 150 ° C or less |
| Set pressure adjustment range | L: 0.05-0.25MPa, M: 0.2-0.45MPa, H: 0.4-0.7MPa |
| Blow-down pressure | Set pressure x 10% or less (minimum value 0.03MPa) |
| Allowable leakage amount | Nominal diameter 20-32: 0.09 L / min or less Nominal diameter 40/50: 0.24 L / min or less |
| Fluid viscosity | 700cSt or less |
| End connection | JIS 10K FF flange |
| Mounting posture | Upright mounting on horizontal piping |
| Material body | FCDIn the case of fuel oil, gasoline, light oil, etc., the material of the main body may be specified depending on the destination (Ministry of Land, Infrastructure, Transport and Tourism, Ministry of Defense, etc.), so please specify the material after checking. |
| Material Diaphragm disc | FKM + PTFE (diaphragm) |
- The primary pressure is externally detected.
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Frequently Asked Questions and Explanations
What is the purpose of the primary pressure control valve installed on the outlet side of the pump?
It is used to prevent overheating due to shutoff operation of the pump and to keep the pump discharge pressure constant.
What is a back pressure valve?
Refers to the primary pressure control valve. A regulating valve that discharges fluid in response to changes in the force on the primary side in order to maintain the fluid pressure on the primary side at a certain constant pressure.
What is the purpose of the water fall prevention valve?
Please check the details.
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