Micro-resistance retarded closed butterfly check valve

Product characteristics 1. New structure, small size, light weight, the first in the country. 2. Reliable sealing, stable opening and closing, wear-resistant and long service life. 3. Hydraulic pressure is slow-closing, not affected by medium, and has a wide range of applications. 4. Check valves with small flow resistance and better energy-saving effect than lifting type and rotary revelation.   Performance specification Nominal Pressure（MPa） 1.0 1.6 2.5 Strength and Pressure Test（MPa） 1.5 2.4 3.75 Seal pressure（MPs） 1.1 1.76 2.75 Applicable temperature ≤80 Applicable medium Clear water, sewage, sea water Slow closing time ≤60S   Major Component Materials Part name valve body Disc Stem, cylinder, piston Spring valve seat Material Science Cast iron and steel carbon steel Stainless steel Stainless steel Ding Qing rubber   Design drawings Main Dimensions Table DN(mm) L H H1 40 140 200 88 50 150 215 98 65 170 225 108 80 180 235 118 100 190 280 130 125 200 290 148 150 210 310 172 200 230 350 210 250 250 415 240 300 270 450 264 350 290 480 297 400 310 550 324 450 330 585 351 500 350 640 379 600 390 720 434 700 430 780 491 800 470 840 549 900 510 990 600 1000 550 1050 655 1200 630 1210 770 American LIKE valves is a global supplier of flow control products，solution and services with a diverse range of products, for infrastructure and industrial fluid control. Our solution is an integral key part of the pipeline management solution, adopting advanced mechanical technology and automation system, so that the products always maintain excellent quality, and responding to customer needs correctly and fast. LIKE valve's customers and markets cover water supply and drainage, water treatment, heating, construction, fire fighting, HVAC systems, power plants, petrochemical, natural gas pipelines, ships and other fields. LIKE valves always adhere to the quality policy of "quality is the life of products, products are the life of LIKE", have been passed ISO9001, ISO14001, OHSAS18001, TS, API, CE, ROHS，CCC certificate of professional testing institutions. We take customer satisfaction as the purpose, take our mission to realize the value by supply excellent service to our customers, strive to do even better on each product, each service, to provide continuous guarantee for customers all over the world. In 2016, LIKE valve products entered Chinese market. In 2017, LIKE Valve was registered Like Valves (Tianjin) Co., LTD. in China, a joint venture of the United States and China, dedicated to serving customers in the Asia-Pacific region and China. LIKE valve adhering to the concept of "integrity, innovation, cooperation and mutual benefit", building our brand with product quality and customer satisfaction; improving and surpass ourselves with unremitting pursuit and sustainable development. "LIKE Dream" will contribution to "China Dream" more wonderful!