DNF series safety check valve is specially designed for swimming pool and SPA. It ensures the directional flow of water from swimming pool and spa, and prevents water from back flow. In order to avoid generating water hammer, we apply transparent cover, that is convenient to watch flow direction of water.
There are two models of DNF50 series safety check valve, model A and B. The imperial standard diameter of model A is 2"/¢ 60mm; The Metric system diameter of model B is ¢ 63mm...
DZF series safety valve can be used in pipes with low acidic or alkaline fluid of 5~50º C. The safety check valve relies on the flow of the liquid itself to turn on or turn off the seal baffle automatically, then form the directional flow of the liquid.
DZF series are suitable for installing in outlet of pump piping in swimming pool, SPA and piping of filtration Unit. Main functions are as follows: A. Prevent the backflow of water from damaging the pump; B Prevent the backflow of water from polluting the filtration unit again.
Since founded in 1989, Guangdong Liansheng Swimming Pool & SPA equipment Co., Ltd (LASWIM) has been devoting to promoting well-being of mankind, beautifying living environment and improving life quality. It has experienced more than 20 years' vast development and become an industry leader in pool and SPA industry in China markets. Through an ongoing effort to diversify products, a complete line of energy efficient residential and commercial pool equipment are developed, including endless pool units, pumps, filters, chlorinators, lighting, heat pumps, ladders, starting blocks, racing lane, underwater observation windows, white goods, Jacuzzi and SPA Pool.
Laswim invests heavily in state-of-the-art manufacturing. The manufacturing facilities are equipped with the extensive capital equipment needed to minimize manufacturing costs while maintaining quality of the highest standards. Laswim is committed to certification under IS0 9001 worldwide standards for quality. Laswim has built its reputation on a commitment to provide quality products and services while rapidly responding to international needs for the products. LASWIM will continue to seek out acquisition opportunities that enhance and expand product offerings, and strengthen global presence.
Laswim has established close long-term cooperation relationship with PSH pools which is with hundred-years' history in pump design and manufacture to promote and improve the technology in pump line as well as supply OEM pumps to the partner.
LASWIM remains dedicating to the development and progression of what it deems to be its greatest and most valuable resources - its employees. By providing professional development opportunities, employees are given the chance to increase their responsibility within the organization. LASWIM also energetically trains various talents, aiming at providing high quality products and value added services to the clients. Foreign experts are also permanently invited for technical guidance and training.
Up to now, Laswim products are widely used in the world through its sale teams and the cooperative partners in USA, Australia, France, Spain and other countries, forming powerful marketing network and service system in the world...
In an effort to work more efficiently and effectively with customers, LASWIM embraces a "Surpass, Value, Win-Win "strategy that focuses the company as an intimate partner in oriented business, rather than hardware centered organization. LASWIM will continue to forge ahead in pursuit of excellence perfection and write a new chapter in the industry. Sincerely welcome to join people with lofty ideals for a better future together!
