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Product Q&A

Steam Trap/Radiator Product

The orifice type steam trap is said to have little quantity of flash type steam. Is it true that it contributes to energy saving?

It is necessary to consider that the durability of a system as a whole if considering all production and all energy saving.
It is true that condensate temperature is low since condensate is discharged after condensate retention. However, we think that energy saving is finally unmaintainable due to outside leakage by corrosion and water hammer caused by blockage.

Is it true that bucket type steam trap have few heat release loss compared with float type steam trap?

Since bucket type steam trap has few portions of steam in the body compared with float type steam trap, there are few heat release loss of steam.

I would like to know cautions for when collecting condensate from a steam trap.
What kind of steam trap is suitable for condensate recovery line generally?

For disc type steam trap, steam starts to leak when back pressure exceeds 50% of the inlet side pressure of steam trap. So, when steam pressure is low, the trap may be unable to be used.
Bucket type steam trap is effective for water hammer.

Mechanical type steam trap has a high temperature of condensate discharge. Does it contribute to energy saving?

It is the trap for extracting condensate from a heat exchanger.
We recommend energy saving by making hot condensate into boiler feeding while keeping it hot.

Is it possible to sink the outlet side piping of a steam trap?

No. When steam supply stops, there is a possibility of becoming negative pressure and that the trap inhales foreign substance with water.
When sinking, we recommend installation of a vacuum regulating valve to prevent negative pressure.

Is it necessary to consider a safety factor in selection of steam trap?

A safety factor is required to consider in selection of steam trap. A safety factor varies according to steam trap type or installation place. See "Fluid control engineering" for more details.

What is the maximum allowable working pressure of a steam trap?

Each steam trap has the specified maximum allowable working pressure. The trap doesnft discharge when it is used at a pressure over the specified value, because the closing pressure exceeds the opening pressure.
[Example] In the case of TD-10NA, it doesnft discharge at a pressure over 2.0MPa.

What is the maximum operating pressure difference of a stem trap?

The maximum operating pressure difference is the maximum difference between inlet pressure and outlet pressure of a steam trap for operation.
Any trap should be actuated under this pressure difference. For example, the pressure difference between a boiler or a steam main pipe and a collection pipe, and that between the outlet pressure of a pressure reducing valve and a collection pipe.

Is a steam trap available that can be connected either horizontally or vertically as desired?

Following products can be connected horizontally or vertically as you desire.
1) Thermostatic steam trap with bypass function integrated: Model TS-7 and TS-8
2) Disc type steam trap: Model TD-10NA and TD-30NA

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