valves are technically pipe fittings , but are usually discussed as a separate category.

排气阀在技术上管件 ，但通常是作为一个单独的讨论范畴。

instrument air supply header pipe, subheader pipe and pipe fittings shall be in accordance with piping specifications for the appropriate pipe class.

仪表风总管、分支总管和管件应执行相应管道等级的管道规格。

yuyao rongsheng hydraulic pipe fittings factory is a production company of hydraulic pipe fittings in china.

余姚荣盛液压管件厂是中国专业生产液压管件的公司。

we are a professional company that produces and sells pipe making equipments and pipe fittings for percolation, ventilation, dust removal, environment protection, and building industries.

是生产销售过滤、通风、除尘、环保、建筑等行业用制管设备及管道、管件的专业公司。

the company was established for many years in pipe fittings in the industry with many years of experience.

本公司成立了很多年，在管件这个行业具有多年丰富的经验。

the valve consists of a guard cage, spring, valve disc, retaining ring and seat. it can be combined with pipe fittings such as reducing couplings, drain elbows, etc.

阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。

i plant predecessor was founded in 1990, mainly produces plumbing pipe fittings , in accordance with national standards.

我厂前身成立于1990年，主要生产水暖管件，根据国家标準生产。

our company mainly engaged in steel tube, building materials, pipe insulation, corrosion-resistant pipes and pipe fittings and other connections.

本公司主要经营钢管，建材，保温管道，防腐管道及管道连接配件等。

many types of pipe fittings are required to accommodate the almost limitless array of piping configurations needed in hydrocarbon transportation and processing.

在石油及其产品的输送和加工中需要各种各样的管系布置，就需要各种类型的管件。

in the petrochemical, electric power and natural gas industry, pipe fittings and pipeline systems are used for drilling, as well as crude oil, gas, liquid and powder production and transport;

在石油化工、电力和天然气业，管件和管线系统被用于鉆井，以及原油、气体、液体和粉末的生产和运输；

us keeps duties on china's pipe fittings .

美国继续征收碳钢对焊管件反倾销税。

ig541 fire suppression laboratory and a equivalent length of pipe fittings measuring system were established.

设计并建立了ig541管道配件当量长度测量系统和ig541气体灭火实验系统。

this paper mainly introduces designing and manufacturing methods of templates for frp pipe fittings such as tees, elbows used in frp pipe system for sake of enhancing production efficiency.

本文主要介绍玻璃钢管道系统所用的三通、弯头等管件样板的制作方法及有关的设计计算，以提高玻璃钢管件的生产效率。

the result of the microstructure and hardness anomaly in the rolling example of p91 pipe fittings be discussed and analyzed.

对p91钢管件热轧事例中产生微观组织和硬度异常的原因进行了分析和探讨；

the production of ductile iron pipe fittings by using united assembly core has been briefly introduced in this paper.

介绍了采用组合砂芯的工艺方法生产球铁管件，以及制造此类砂芯的简易射芯机。

the industry argues that it has vastly reduced the amount of fugitive methane with new technologies and upgraded pipe fittings and other equipment.

天然气工业声称它们已经通过新技术和升级的管道装配及其它设备大幅降低了逸出甲烷量。

have you been looking for a very good price and quality of steel pipe fittings suppliers?

您是不是一直没有找到一家价格和质量都很理想的钢材管件供应商呢？

yangzhou haya pipe fittings co. , ltd. is located in the 「china lotus roots town」 -baoying county, which is in the northern part of yangzhou city, and the hometown of premier zhou huaian is adjacent.

扬州市华亚管业有限公司坐落于扬州市北部的「中国荷藕之乡」宝应县，与周总理故乡淮安毗邻。

the company is a registered in hong kong, production, marketing pp-r pipe and associated pipe fittings manufacturers.

本公司是一家在香港注册，生产，销售pp-r管材及配套管件的厂家。

malleable iron flanges, pipe fittings and valve parts for railroad, marine and other heavy duty service at temperatures up to 650 degrees f (345 degrees c)

铁路，船舶和其他重型装备在温度达到650华氏度（345摄氏度）时使用的可锻铸铁法兰，管件和阀门零件。

throwing tools and pipe fittings is prohibited;

严禁抛扔工具、管件，防止砸伤；