Circuit valve, primary pressure control valve MD-35F type primary pressure control valve (for water, hot water, air, liquid)
Major features
- Adjusting pressure fluctuation is small, and pressure adjustment of large capacity is possible with high accuracy.
- Uses a pressure balance structure in which pressure fluctuations on the outlet side do not affect the outlet pressure.
- Maintenance is a disassembly structure from one direction above.
- The mounting posture is free.
- The inlet side pressure gauge can be attached directly to the main body.
- 50% lighter than conventional FC products (compared to our company).
Water Supply Law Performance Standard Certification Registered Product (E-442) Pressure Resistant Leach Durability
specification
| Product code | MD35F-D □The symbol of the set pressure adjustment range is entered in □. | MD35F-D □The symbol of the set pressure adjustment range is entered in □. |
|---|---|---|
| Valve type | Primary pressure control valve | Primary pressure control valve |
| type | Wetting part stainless steel | Wetting part stainless steel |
| Nominal diameter | 25-50 (1-2) | 65-100 (2 1/2-4) |
| Applicable fluid | Liquid / air that does not corrode water / hot water / oil / materialWhen 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 it in such a place.・ Inert gas | Liquid / air that does not corrode water / hot water / oil / materialWhen 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 it in such a place.・ Inert gas |
| Fluid temperature | 5 to 90 ° C | 5 to 90 ° C |
| Set pressure adjustment range | L: 0.05-0.35MPa M: 0.3-0.6MPa H: 0.6-0.8MPa | L: 0.05-0.35MPa M: 0.3-0.6MPa |
| Blow-down pressure | Set pressure x 10% or less (minimum value 0.02MPa) | Set pressure x 10% or less (minimum value 0.02MPa) |
| Allowable leakage amount | None (visual pressure gauge) | None (visual pressure gauge) |
| Minimum differential pressure before and after the valve | 0.05MPa | 0.05MPa |
| Fluid viscosity | 700cSt or less | 700cSt or less |
| End connection | JIS 10K FF flange | JIS 10K FF flange |
| Mounting posture | Horizontal / vertical freedomWhen installing in vertical piping, leave a large maintenance space. | Horizontal / vertical freedomWhen installing in vertical piping, leave a large maintenance space. |
| Material body | SCS | SCS |
| Material Valve body | SUS | SUS |
| Material Valve seat | SUS | SUS |
| Material Diaphragm disc | NBR | NBR |
| Material Spring case | ADC | FC |
- We also manufacture a pressure gauge only on the primary side. (The maximum scale of the pressure gauge is the set pressure adjustment range L (0.6MPa), M, H (1.6MPa).)
- We also manufacture the MD-35FN type, which conforms to the performance standards of the Waterworks Law.
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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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