Quick navigator: Water hammer prevention 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:	Is there a check valve that can completely prevent water hammer when the pump stops due to power failure?
	A:	Non-Water Hammer Check Valve SL-SN, and other
Q:	Is there a check valve that does not cause delay in shutoff without added external force?
	A:	Non-Water Hammer Check Valve SL-SN, and other
Q:	Though cheap resin piping is preferable, water hammer will cause problems. Are there any check valves for preventing water hammer damage?
	A:	Non-Water Hammer Check Valve SL-SN, Wafer-Type Check Valve SL-SW, and other
Q:	Particulate increases due to water hammer when pump stops despite clean pipes. Are there any countermeasures?
	A:	The clean type Non-Water Hammer Check Valve SL-UC can solve the problem.
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:	The check valve dashpot oil leaks. Are there any countermeasures?
	A:	Dashpot Type Non-Water Hammer Check Valve SL-SN-B and other can solve the problem as their dashpots are free from oil leakage.
Q:	The check valve easily corrodes in seawater. Are there any countermeasures?
	A:	Non-Water Hammer Check Valve made of Seawater Resistant Stainless Steel YST130N can solve the problem.
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:	Is there a check valve that can detect non-feed water condition for preventing pump from dry operation?
	A:	Non-Water Hammer Check Valve SL-SNP and other with No-Feed Detector
Q:	Surge tanks for preventing surge in the piping are expensive. Are there any inexpensive check valves for replacing the surge tank?
	A:	Non-Water Hammer Check Valve SL-SN and other are available. Surge tank is not required.

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