Zhengzhou rubber joints | Serco supply material (certified) | rubber joints provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is specialized in the "PTFE lined rubber joints, standard waterproof casing, duckbill valve, power connector, stainless steel rubber joints" of the enterprise, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhang. Displacement properties of the rubber joints: each production batch of the product specifications for each sampling time. Every extracted from each of the two products specifications displacement performance test. The results have a defective batch is then withdrawn from the two kinds of products retest. If you still have a defective batch of the kinds of products should be considered as unqualified rubber physical properties of the rubber joints: aging properties inspected once every quarter, other performance test once a month. Every extract a compound rubber joints, inspection requirements of the project. If an unqualified rubber joints which price should the other to take the project to double the sample retest. If you still have an unqualified rubber joints fixed, the batch of plastic materials should be unqualified. 1: flexible rubber joints when installing non-super-displacement limit. 2: Install the bolts to be symmetrical rubber joint offer, the pressure gradually tightened to prevent partial disclosure. 3: flat, vacant, vertical mounting rubber joints, axial displacement of actual working pressure rubber joint support force should be less than the pipeline, or should install anti-pull-off device to prevent work under pressure to pull off. 4: rubber joints should be kept away from heat, ozone area, non strong radiation light. Exposure and use of this product does not meet the requirements of the media.