行业新闻
原文：
China suppliers of toilet flush valves and tank fittings are underlining product development on water-saving solutions amid growing demand and strict standards forCheck Valves
such models in key export markets.
Shipments from the country consist mainly of dual-flush types that employ partial or full modes for washing down liquid or solid wastes, respectively. The bulk of releases feature universal designs, particularly the 3 and 6L versions that are standard in the EU and the US.
Models are sometimes bundled with tank fittings and are aimed at the repair and DIY segments. Many can be used with top-, side- or front-mount lever or push-button activators. Cables and wires Butterfly Valves
are added for easy installation.
Electronic counterparts are offered as upscale alternatives, particularly in Europe and North America. One such product from Compas (Xiamen) Plumbing Technology Co. Ltd integrates wall-mount proximity sensors that can detect users 80 to 100cm away. It initiates automatically partial flushing if the toilet isSafety valves
used for less than 60 seconds or a full cycle if the preset time is exceeded.
Toilet tank fitting sets, meanwhile, include the main fill valves and the overflow pipes in various heights and diameters. Those with 3in valves let out roughly 2.8L of water per second, while 2in variants release 2.4L. The former is popular in North America.
Most China-made flush valves and toilet tank fittings comply with CE requirements. A number also bear the cUPC mark.
North America and the Asia-Pacific region are the biggest shippingBalance Valves
destinations, each absorbing about 30 percent of China’s exports. The euro zone takes in roughly 20 percent.
Some suppliers, however, plan to promote their selections in other markets through 2010. A few intend to introduce releases in South Africa by participating in trade shows there, while severalNeedle Valves
aim to explore the opportunities that arise from the China-Asean Free Trade Area agreement.
原文来自：http://www.nytimes.com/1990/07/24/nyregion/engineers-battle-to-restart-pump-to-halt-sewage-flow.html
Engineers Battle to Restart Pump to Halt Sewage Flow;是由 上海一环流体控制设备有限公司提供的阀门新闻，中文译文仅供参考，以下提供站内导航搜索：
中国调节阀网 调节阀产品 调节阀知识 调节阀厂商 调节阀博客 调节阀行业新闻
以下是参考译文：
译文：红色调解阀门松动脱落导致涌水喷发
昨天下午，(北京)昌平区汤立路与太平庄中街交叉口西北角，一处自来水井的闸阀
调解阀门突然松动导致跑水，由于水压较高，井口喷出约6米高的水柱。事发路口水流成河，交通受限，抢修人员经过近两个小时的努力将阀门修复。
水柱狂喷高达6米
“十字路口上出现了大喷泉。”目击者李女士称，昨天下午4点左右，她途经该路口时看到，几名消防员正在挪动一处自来水井盖。随着“嘭”的一声巨响，井盖被弹开，几米高的水柱瞬间从井内蹿起。
“还飞溅出不少小石子，‘啪啦啪啦’砸在四周的车辆上。”李女士说，过往车辆纷纷避让。几名路人的衣服被水淋透，很多人拨打电话报警。
昨天下午5点，现场百米外即可看到自来水井喷出的水柱，其高度约有6米，事发截止阀
路口已水流成河。受事故影响，汤立路进京方向的一条车道被封闭，几名交警正在现场维持秩序，过往车辆行驶缓慢。
消防员欲下井未果
据另一目击者介绍，事发后，消防员试图进入井中，“但水压太大，根本进不去，那么高的水柱肯定能把人顶飞了”。几名消防员在井边徘徊多时，最终撤离。
天通苑消防中队表示，事发前，消防员正在对井盖例行检测，发现该井盖震动不定，少量止回阀
水从井盖边缘流出。几人上前欲查看究竟，不料水柱喷出。几人欲下到井中堵水，但因水压过大只能作罢。
>>探因 阀门松动引发事故
据现场自来水公司人员介绍，因水压过大，抢修人员暂无法直接进入井下维修，只能蝶阀
查看该条街道井下分布图，找到该井两侧最近的调解阀门，关闭后可减小水压，水柱便可消失。
昨天下午5点50分，抢修人员将两侧阀门关闭，水柱逐渐减小，多名抢修人员入井维修。据柱塞阀
抢修人员称，不知何因，井下靠近西侧的一个红色调解安全阀
阀门松动脱落导致涌水，目前已将其拧紧。
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