截止阀

The main materials are as follows:Carbon steel,low temperature steel, dual phase steel (F51/F53) titanium alloy, aluminum bronze,inconel,SS304、SS304L、SS316、SS316L;chrome-molybdenum steel,Monel(400/500),20#alloy,Hayne's alloy etc.The main products are:check valve,ball valve,gate valve,globe valve, butterfly valve,plug valve etc.we aslo can privide special and non-standarded valves to Satisfy our customer demands.

主要材质有：碳钢、低温钢、双相钢(F51/F53)钛合金、铝青铜、因科镍尔、SS304、SS304L、SS316、SS316L，铬钼钢、蒙乃尔(400/500)、20#合金、哈氏合金等金属材料，止回阀，球阀，闸阀，截止阀，蝶阀，旋塞阀等非标特殊阀门。

The main materials as follows: Carbon Steel , Low temperature Steel, Dual Phase steel (F51/F53), Titanium Alloy, Aluminum Bronze, Inconel ,SS304,SS304L,SS306,SS306L,Chrome-molybdenun Steel, Monel (400/500), 20#Alloy, Hayne's Alloy etc.

主要材质有：碳钢、低温钢、双相钢(F51/F53)钛合金、铝青铜、因科镍尔、SS304、SS304L、SS316、SS316L，铬钼钢、蒙乃尔(400/500)、20#合金、哈氏合金等金属材料，止回阀，球阀，闸阀，截止阀，蝶阀，旋塞阀等非标特殊阀门。

The factory's main products are drilling accessories, 250,350 of oil, gas, water wellhead and accessories, eccentric wellhead, simple wellhead, anti-theft wellhead, Our expertise valve, Jiaopi valves, the Kazi, high and medium pressure valve, closing Valves, check valves, ball valves, needle-valve, butterfly valves, and customers may be asked to accept orders and new product development.

本厂的主要产品有钻采配件，250、350型采油、气、水井口及配件系列，偏心井口，简易井口，防盗井口，卡箍阀，胶皮阀门，方卡子，高中压闸阀、截止阀、止回阀、球阀、针型阀、蝶阀，并可按客户要求接受定货和新产品的研制。

Cock valves and ball valves should be in their unopened positions to prevent from the contamination of sealing surfaces by dust.

闸阀、截止阀、节流阀、调节阀、蝶阀等阀门应处于全闭的位置。旋塞阀、球阀应完全处于全开启位置，以防止灰尘沾染密封面。

The main products are high, midst and lower press brake valve, stop valve, butterfly valve, and screw valve, pipe and non-standard special vale.

主要产品有高、中、低压闸阀、截止阀、止回阀、球阀、碟阀、丝扣阀门管件以及非标特殊阀门。

The main products have various specifications of the cut-off valves, interceptor valves, bypass valve, pressure gauge valve, check valve, filters, surface plate, etc.

主要产品有各种规格的截止阀、截流阀、旁通阀、压力表阀、止回阀、过滤器、板式液面器等100余种产品。

Products have: ball valve, water Tsui, floating ball valve, Angle Valves, check valve, globe valve, pipe joint, floor drain, sanitary ware plumbing equipment.

生产的产品有：球阀、水咀、浮球阀、角阀、止回阀、截止阀、管接头、地漏、水暖洁具器材等。

Velan is one of the world's leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball, butterfly, knife gate and engineered severe service valves for critical applications in power, chemical and petrochemical, oil and gas, pulp and paper, mining, marine, cryogenic and general construction industries.

Velan是世界工业阀门行业主要的制造商之一，提供锻钢和铸钢闸阀、截止阀、止回阀、球阀、蝶阀、刀闸阀和适用于关键部位的工作强度繁重的工程阀门，适用于电力、化工和石化、油气、纸浆和造纸、矿业、船舶、低温和普通建筑行业。

Enterprise specializing in pumps, valves, pipes, pipe fittings, corrosion-resistant equipment, mechanical equipment, steel-lined plastic·úmaterials and various types of product development, design, production and sales of main products have fluoroplastics pump, steel-lined PTFE pump , liquid pumps, self-priming pump, magnetic pump, centrifugal pump, stainless steel pump, fluorine plastic lined plug valves, butterfly valve, ball valve, valve, check valve, valve, gate valve, pipe fittings and steel equipment ten Level of stress, some more than 1120 kinds of model specifications.

企业专门从事水泵、阀门、管道、管件、防腐设备、机械设备、钢衬氟塑料及全塑各类产品的研发、设计、生产和销售，主要产品有氟塑料泵、钢衬四氟泵、液下泵、自吸泵、磁力泵、离心泵、不锈钢泵，氟塑料衬里旋塞阀、蝶阀、球阀、截止阀、止回阀、隔膜阀、闸阀、管道件及钢塑设备十个压力等级，约1120多种型号、规格。

Many products, complete specifications, the main products include "HS" licensing of electric valve, temperature control switches, valve and the closing valves, air-conditioning valve, open the valve, various forms valve, fast joints and various copper, yellow brass connector More than 500 varieties, such as over 3,000 standard models.

公司产品繁多，规格齐全，主要产品包括&HS&牌电动阀、温控开关、球阀、截止阀、空调阀、开启阀、各种表阀、快速接头及各种紫铜、黄铜管接件等500余品种3000多规格型号。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。