Safety relief valve, safety valve, relief valve (relief valve) SL-46ED type relief valve (for pump relief)
Since it can perform detection, it can also be applied to volumetric pumps such as plunger pumps. In addition, because of the back pressure balance structure, it is not affected by back pressure and is ideal for thermal relief.
- Where to use
- For pump onlyFor thermal relief
Major features
- The damper mechanism of the valve body suppresses the sudden movement of the valve body due to pulsating pressure and fluctuating pressure at high pressure.
- It is a back pressure balance structure that eliminates the influence of back pressure due to the piping condition on the relief valve outlet side.
specification
| Product code | SL46ED-M □The pressure classification symbol is entered in □. |
|---|---|
| format | Relief valve |
| Cap format | No lever |
| Nominal diameter | 40-75 (1 1/2-3) |
| Applicable fluid | Water / oil / liquid |
| Set pressure range | 0.035-2.0MPa |
| Fluid temperature | Manufactured up to 5-80 ° C (up to 150 ° C).Oils are below 150 ℃, and hot water is below 90 ℃. ) |
| Maximum allowable back pressure | 1.0MPa |
| End connection | JIS 20K FF flangeWe also manufacture JIS 10, 16K FF / RF flanges and JIS 20K RF flanges. |
| Mounting posture | Upright mounting |
| Material body | FCD |
| Material parts | SUS |
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Frequently Asked Questions and Explanations
Please tell me the difference between the head type and the full volume type. (Answer details include a video)
There is a difference in the amount of blowout between the lift type and the total amount type. Either one can be used as long as the required amount of blowout is satisfied.
What is the purpose of the safety valve lever? (There is a video in the answer details)
This is to check if the safety valve can be operated and if there is any abnormality (sticking). (Operate when the pressure on the inlet side is 75% or more of the set pressure.)
Please tell me how to select the safety valve with lever and without lever.
As a general rule, select no lever (sealed type) for fluids that adversely affect the surroundings when the safety valve operates, such as flammable / toxic and liquid. If it is necessary to check the operation of the safety valve by operating the lever, select the one with a lever.
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