Circuit valve, primary pressure control valve MD-29A type primary pressure control valve (for micro pressure gas)
Major features
- Stable operation is achieved by detecting the primary pressure in the conduit.
- Since it is a single seat valve, there is no leak.
specification
| Product code | MD29A-G □The symbol of the set pressure adjustment range is entered in □. | MD29A-G □The symbol of the set pressure adjustment range is entered in □. | MD29A-G □The symbol of the set pressure adjustment range is entered in □. |
|---|---|---|---|
| Valve type | Primary pressure control valve | Primary pressure control valve | Primary pressure control valve |
| Nominal diameter | 15-50 (1/2-2) | 15-50 (1/2-2) | 15-50 (1/2-2) |
| Applicable fluid | airWhen used in a dry air pneumatic system with an oil-free compressor (turbo compressor or positive displacement compressor (rotary oil-free type)), rubber parts may deteriorate significantly in a short time (ozone cracks occur). Please contact us if you want to install in such a place. , N2 gas and non-corrosive gas | airWhen used in a dry air pneumatic system with an oil-free compressor (turbo compressor or positive displacement compressor (rotary oil-free type)), rubber parts may deteriorate significantly in a short time (ozone cracks occur). Please contact us if you want to install in such a place. , N2 gas and non-corrosive gas | airWhen used in a dry air pneumatic system with an oil-free compressor (turbo compressor or positive displacement compressor (rotary oil-free type)), rubber parts may deteriorate significantly in a short time (ozone cracks occur). Please contact us if you want to install in such a place. , N2 gas and non-corrosive gas |
| Fluid temperature | 5-60 ° C | 5-60 ° C | 5-60 ° C |
| Set pressure adjustment range | L: 1-3kPa | M: Over 3 and 10kPa | H: Over 10 and 30kPa |
| Blow-down pressure | Within 0.7kPa | Within 1kPa | Within 2kPa |
| Accumulation | Nominal diameter 15 to 25: 0.5 kPa or less, Nominal diameter 32 to 50: 0.75 kPa or less | Nominal diameter 15 to 25: 1 kPa or less, Nominal diameter 32 to 50: 1.5 kPa or less | Nominal diameter 15 to 25: 3.5 kPa or less, Nominal diameter 32 to 50: 5 kPa or less |
| air tightness | 42kPa | 42kPa | 42kPa |
| Allowable leakage amount | None (visual pressure gauge) | None (visual pressure gauge) | None (visual pressure gauge) |
| End connection | JIS 10K RF flange | JIS 10K RF flange | JIS 10K RF flange |
| Mounting posture | Upright mounting on horizontal pipingIf the set pressure is 3 kPa or less, install it upside down. | Upright mounting on horizontal pipingIf the set pressure is 3 kPa or less, install it upside down. | Upright mounting on horizontal pipingIf the set pressure is 3 kPa or less, install it upside down. |
| Material body | FC | FC | FC |
| Material Valve body | SUS | SUS | SUS |
| Material Valve seat | SUS | SUS | SUS |
| Material Diaphragm disc | NBR | NBR | NBR |
- We also manufacture gas contact parts made by SCPH and SCS. (Since it is an external detection type, it is necessary to install piping for detection.)
- After installing the piping, if pressure exceeding the pressure resistance and airtightness pressure is applied, it may be damaged.
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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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