Quick navigator: Plant equipment The following is a list of frequently received questions and inquiries, and corresponding solutions we provide. By clicking the product name herein, you can jump to the details of the product.

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Q:	Electrical control of flow rate, pressure and water level is expensive. Is there any inexpensive and simple method?
	A:	Pilot-Type Regulator Valves, Constant Flow Regulator Valve UFS, and other using no electricity.
Q:	The check valve is noisy when it shuts off. Is there a quiet check valve?
	A:	Non-Water Hammer Check Valve SL-SN, and other
Q:	Lubrication oil is often mixed with air bubbles. Is there a lubricating oil pump that can also serve as a defoaming equipment to eliminate air bubbles?
	A:	Enhanced Self-Priming Pump UPM, UPS, Defoaming Pump UPSA, and other
Q:	We want to reduce dissolved oxygen in boiler water to prevent boiler from rusting. Are there any easy methods?
	A:	Degassing Pump ASP can drastically decrease dissolved oxygen.
Q:	Is there a gas-liquid two-phase flow pump that can transfer liquid containing air bubbles in a pressurized floating system?
	A:	Self-Priming Centrifugal Pump UHN, Process Pump UB, and other
Q:	Is there a pump that does not require allowance for NPSH?
	A:	Self-Priming Centrifugal Pump UHN, Process Pump UB, and other
Q:	The large-sized, self-priming tank for pumping occupies a lot of space. Are there any other methods?
	A:	Self-Priming Centrifugal Pump UHN and other eliminate the necessity of self-priming tank.
Q:	Pulling up a submersible pump for maintenance is expensive. Are there any recommended pumps?
	A:	Self-Priming Centrifugal Pump UHN, Process Pump UB , and other are convenient as they are installed on the ground.
Q:	The rotary shaft of the swing check valve is easily damaged. Is there a damage-resistant check valve?
	A:	Non-Water Hammer Check Valve SL-SN and other have structure which prevents damage to the shaft.
Q:	The mechanical seal often malfunctions due to corrosion of the material or slurry adhesion. Are there any countermeasures?
	A:	Non-External-Flushing Mechanical Seal made of Special Stainless Steel can solve the problem.

YOKOTA will continue to devote its energies to the development of products as a fluid control solutions company. If you are telling yourself, "What we need is......Can we do this?", do not hesitate to contact us with questions or inquiries.