Circuit valve, primary pressure control valve MD-1A type primary pressure control valve (for oil and liquid)
specification
| Product code | MD1A-N □The symbol of the set pressure adjustment range is entered in □. | MD1A-D □The symbol of the set pressure adjustment range is entered in □. |
|---|---|---|
| Valve type | Primary pressure control valve | Primary pressure control valve |
| Nominal diameter | 15-50 (1/2-2) | 15-50 (1/2-2) |
| Applicable fluid | 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. ·liquid | 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. ·liquid |
| Fluid temperature | 5-80 ° C | 5-80 ° C |
| Set pressure adjustment range | L: 0.5-1.0MPa M: 1.0-1.5MPa H: 1.5-2.5MPa S: 2.5-3.0MPa | L: 0.5-1.0MPa M: 1.0-1.5MPa H: 1.5-2.5MPa S: 2.5-3.0MPa |
| Blow-down pressure | Set pressure x 10% or less | Set pressure x 10% or less |
| Fluid viscosity | 700cSt or less | 700cSt or less |
| End connection | JIS 30K RF flangeWe also manufacture JIS10, 16 and 20K FF / RF flanges and ASME / JPI class 150 and 300 flanges. | JIS 30K RF flangeWe also manufacture JIS10, 16 and 20K FF / RF flanges and ASME / JPI class 150 and 300 flanges. |
| Mounting posture | Upright mounting on horizontal piping | Upright mounting on horizontal piping |
| Material body | S25CIn 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. | SUSIn 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 parts | SUS | SUS |
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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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