http://lede-fittings.com/upload/3245/logo/logo.jpg http://lede-fittings.com http://lede-fittings.com Lede is a trusted name in the production of ductile iron grooved fittings for a variety of industries. http://lede-fittings.com/add/rss ETW INTERNATIONAL service@etwinternational.com service@etwinternational.com http://lede-fittings.com/ Lede is a trusted name in the production of ductile iron grooved fittings for a variety of industries. 2017-12-27T16:10:02+08:00 http://lede-fittings.com/products.html Lede can provide wide range of Grooved Fittings such as Grooved Couplings, Mechanical Tee, Pipe Cross, Pipe Reducer and Grooved Cap. We also provide Gate Valve and Butterfly Valve with different types. 2017-12-27T16:10:03+08:00 http://lede-fittings.com/1-1-grooved-couplings Standard coupling housings (including housings for fittings, mechanical tees and crosses, and valve bodies) are cast from ductile iron to ASTM A536, and Grade 65-45-12 (equal to QT450-12) standards. Ductile iron is chosen due to its special combination of better physical characteristics over other materials, and the relative ease of manufacturing to various demanding standards. 2017-12-27T16:10:07+08:00 http://lede-fittings.com/1-1-1-rigid-grooved-coupling Rigid couplings for grooved piping systems are manufactured to provide rigidity at the assembled joint- similar to the pipe joint being welded or flanged. The ANSI B31.1 Power Piping Code requires a minimum hanger spacing for piping with rigid connections, as does the ANSI B31.9 Building Service Code and NFPA 13 Fire Protection Systems. 2017-12-27T16:10:08+08:00 http://lede-fittings.com/1-1-2-flexible-grooved-coupling Couplings and fittings are cast from ductile iron, meeting ASTM A536 Grade 65-45-12 (tensile-yield-elongation) standards. These light duty flexible grooved couplings are suitable for fire protection services, water supply systems, and other process systems requiring a higher work pressure. 2017-12-27T16:10:10+08:00 http://lede-fittings.com/1-1-3-angle-pad-coupling An angle pad coupling is a new pipe connector that uses pressure and a self-tightening sealing ring force produced by medium pressure for a seal. This coupling features a small volume, light weight, and simple structure. Each coupling has only two bolts, which are easy to install and maintain. 2017-12-27T16:10:10+08:00 http://lede-fittings.com/1-1-4-ridig-grooved-coupling The heavy duty cross-ribbed design provides added strength for high pressure applications. Suitable for fire protection services, water supply systems and other process systems that require a higher work pressure. 2017-12-27T16:10:10+08:00 http://lede-fittings.com/1-1-5-flexible-grooved-coupling Flexible couplings for grooved piping systems are intended to accommodate controlled movement at the joint. The pipe and fittings that are connected with a flexible coupling are allowed to expand, contract or deflect from the center line within limits established by the coupling interface with the pipe. 2017-12-27T16:10:11+08:00 http://lede-fittings.com/1-1-6-flexible-reducing-coupling A reducing coupling in a grooved piping system is designed to provide a restrained piping connection while reducing (or increasing) pipe sizes. It is a transition accessory to match different sized pipes through a single device. After the pipe ends are grooved, a rubber gasket that is suitable for the system is stretched over the pipe ends. 2017-12-27T16:10:11+08:00 http://lede-fittings.com/1-1-7-hdpe-coupling The high pressure coupling provides versatility for a wide range of applications due to its high pressure resistance and flexibility. The HDPE coupling is suitable for mechanical and plumbing, water treatment, mining and oil fields, and a variety of other process pipe systems. 2017-12-27T16:10:11+08:00 http://lede-fittings.com/2-mechanical-joint-fittings We have different types of Mechanical Joint Fittings, such as Mechanical Tee and Mechanical Cross for choose. 2017-12-27T16:10:20+08:00 http://lede-fittings.com/1-2-mechanical-tee The bolts are then fastened, making the branch more secure. Mechanical tees are intended to connect piping directly into the system. Fitting outlets are supplied with female pipe threads (FPT) or grooved pipes. These are labor saving pipe fittings that are designed to provide excellent flexibility and cost savings to contractors, both in the labor and materials. 2017-12-27T16:10:18+08:00 http://lede-fittings.com/1-2-1-grooved-mechanical-tee Mechanical tees are pipe fittings that are used in place of full flow cast fittings. The grooved mechanical tee is cast from ductile iron in two equal halves: one being the outlet, the other being the strap. An over-sized hole is drilled or cut into the pipe at the location where the branch or device is needed. 2017-12-27T16:10:18+08:00 http://lede-fittings.com/1-2-2-threaded-mechanical-tee Mechanical tees are pipe fittings that are used in place of full flow cast fittings. The threaded mechanical tee is cast from ductile iron in two equal halves: one being the outlet, the other being the strap. An over-sized hole is drilled or cut into the pipe at the location where the branch or device is needed. 2017-12-27T16:10:19+08:00 http://lede-fittings.com/1-2-3-small-threaded-mechanical-tee Mechanical tees are pipe fittings that are used in place of full flow cast fittings. The small threaded mechanical tee is cast from ductile iron in two equal halves: one being the outlet, the other being the strap. An over-sized hole is drilled or cut into the pipe at the location where the branch or device is needed. 2017-12-27T16:10:19+08:00 http://lede-fittings.com/1-2-4-u-bolt-mechanical-tee Mechanical tees are intended to connect piping directly to a system. The fitting outlets are supplied with female pipe threads (FPT) or grooved. These are designed to save labor and provide an excellent flexibility as well as cost savings to the contractor, in both labor and material costs. 2017-12-27T16:10:19+08:00 http://lede-fittings.com/1-3-grooved-threaded-mechanical-cross Grooved cross (straight) standard radius, threaded cross standard radius. Ductile iron construction. Lead free orange paint 2017-12-27T16:10:19+08:00 http://lede-fittings.com/3-pipe-fittings We have different types of Pipe Fittings, such as Tee Pipe Fittings, Cross Pipe Fittings, Piping Plumbing Reducer Fittings, Cap Pipe Fittings and Elbow Pipe Fittings for choose. 2017-12-27T16:10:20+08:00 http://lede-fittings.com/1-4-pipe-tee Pipe fittings larger than 14" may also be fabricated from steel pipe ASTM A53, Grade B materials or an equivalent. Coating options: epoxy, paint, dacromet, hot-dip galvanized 2017-12-27T16:10:13+08:00 http://lede-fittings.com/1-4-1-grooved-tee The grooved tee pipe fittings are made from cast ductile iron conforming to ASTM A536 standards. Dimensions of the pipe tee adhere to ANSI/AWWA C606-06 standards. 2017-12-27T16:10:14+08:00 http://lede-fittings.com/1-4-2-grooved-reducing-tee The grooved reducing tee is made from ductile iron. Lead free orange paint is coated on the grooved pipe tee. These pipe tees conform to ASTM A536 standards. 2017-12-27T16:10:14+08:00 http://lede-fittings.com/1-4-3-bullhead-tee Fittings are cast ductile iron conforming to ASTM A536, Gr. 65-45-12 Ductile Iron. Dimensions adhere to ANSI/AWWA C606-06. Center to End Dimensions are manufacture's standard. 2017-12-27T16:10:14+08:00 http://lede-fittings.com/1-4-4-threaded-reducing-tee A reducing coupling in a grooved piping system is designed to provide a restraining piping connection while reducing (or increasing) a pipe's size. It is a transition piece where pipes of different sizes can be paired together using a single pipe tee. 2017-12-27T16:10:15+08:00 http://lede-fittings.com/1-5-pipe-cross A pipe cross, as a special pipe fitting, is primarily used in a main pipeline to separate the branches. If the diameter of the branch is reduced or different from others, it is called a grooved reducing cross. If the pipes are of the same diameter, the fitting is simply known as a cross. 2017-12-27T16:10:15+08:00 http://lede-fittings.com/1-5-1-grooved-cross Lead free orange paint Conforms to ASTM A536 standards UL listed, FM approved 2017-12-27T16:10:15+08:00 http://lede-fittings.com/1-5-2-grooved-reducing-cross UL, FM listed and factory mutual approved for 300 PSI service. Ductile iron per ASTM A536 standards Dimensions conform to ANSI B 16.4 CLASS 125 standards 2017-12-27T16:10:16+08:00 http://lede-fittings.com/1-5-3-threaded-reducing-cross UL and factory mutual approved for 230 PSI service. Ductile Iron per ASTM 126 CLASS B standards. Dimensions conform to ANSI B 16.4 CLASS 125 standards. 2017-12-27T16:10:16+08:00 http://lede-fittings.com/1-6-pipe-reducer A pipe reducer is also called a head size, and is used to connect pipes of different sizes. It can be divided into a concentric reducer and eccentric reducer. 2017-12-27T16:10:16+08:00 http://lede-fittings.com/1-6-1-grooved-reducer Pressure: 300 psi water working pressure Testing: In accordance with ANSI / AWWA C110 / A21.10 standards where applicable. 2017-12-27T16:10:16+08:00 http://lede-fittings.com/1-6-2-threaded-reducer Testing: In accordance with ANSI / AWWA C110 / A21.10 standards where applicable. Approvals: Underwriters Laboratories listed and Factory Mutual Approved. 2017-12-27T16:10:17+08:00 http://lede-fittings.com/1-6-3-grooved-threaded-eccentric-reducer Testing: in accordance with ANSI / AWWA C110 / A21.10 standards where applicable. Approvals: Underwriters Laboratories listed and Factory Mutual approved. 2017-12-27T16:10:17+08:00 http://lede-fittings.com/1-7-grooved-cap ASTM A 536- Grade 65-45-12 ANSI B 16.3 –malleable iron threaded fittings, classes 150 ANSI/ASME B1/20/1- Pipe threads, general purpose (inch) NPT 2017-12-27T16:10:17+08:00 http://lede-fittings.com/1-7-1-grooved-end-cap These grooved end caps comply with, and are manufactured according to the following standards: Pressure rating: 300 psi 2017-12-27T16:10:18+08:00 http://lede-fittings.com/1-7-2-end-cap ANSI B 16.3- Ductile Iron Threaded Fittings Classes 150 ANSI/ASME B1.20.1- Pipe Threads, General Purpose (inch) NPT 2017-12-27T16:10:08+08:00 http://lede-fittings.com/1-9-grooved-elbow It is designed to connect the pipe bend, and change the direction of the pipeline system. Due to the grooved elbow’s excellent comprehensive performance, it is widely used in the chemical industry, buildings, water supply systems, water drainage, oil, light and heavy industries, freezing, sanitary plumbing, fire protection, electric power, aerospace, shipbuilding and other basic engineering processes. 2017-12-27T16:10:12+08:00 http://lede-fittings.com/1-9-1-grooved-elbow Fittings are cast ductile iron conforming to ASTM A536, Gr. 65-45-12 ductile iron standards. The dimensions meet ANSI/AWWA C606-06 standards Center to end dimensions are determined according to the manufacturer's standards. 2017-12-27T16:10:12+08:00 http://lede-fittings.com/1-9-2-grooved-elbow Fittings are cast ductile iron conforming to ASTM A536, Gr. 65-45-12 Ductile Iron standards. Dimensions meet ANSI/AWWA C606-06 standards 2017-12-27T16:10:12+08:00 http://lede-fittings.com/1-9-3-grooved-45-elbow Dimensions meet ANSI/AWWA C606-06 standards. Center to end dimensions are all designed according to the manufacturer's standards. Coating options: epoxy, paint, dacromet, hot-dip galvanized. 2017-12-27T16:10:13+08:00 http://lede-fittings.com/1-9-4-grooved-90-elbow Center to end dimensions are determined according to the manufacturer's standards. Coating options: epoxy, paint, dacromet, hot-dip galvanized. UL listed, FM approval. 2017-12-27T16:10:13+08:00 http://lede-fittings.com/1-9-5-grooved-90-reducing-elbow These pipe fittings are designed to provide an economical and efficient method for changing direction, adding an outlet, reducing, or capping grooved piping systems. All fittings are supplied with grooves to permit a quick installation with no field preparation. 2017-12-27T16:10:13+08:00 http://lede-fittings.com/1-8-grooved-flange Product Introduction: A grooved flange is used to connect various pipes and pipe valves. 2017-12-27T16:10:08+08:00 http://lede-fittings.com/1-8-1-grooved-flange-pn16 Material: ductile iron Application: Plumbing, fire protection Coating: red paint, galvanized paint 2017-12-27T16:10:09+08:00 http://lede-fittings.com/1-8-2-grooved-flange-ansi Application: plumbing, fire protection Coating: red paint, galvanized paint FM approved, UL listed. 2017-12-27T16:10:09+08:00 http://lede-fittings.com/1-8-3-grooved-flange-adapter Lead free orange paint Conforms to ASTM A536 standards UL listed, FM approved 2017-12-27T16:10:09+08:00 http://lede-fittings.com/1-8-4-grooved-flange-adapter Lead free red paint Conforms to ASTM A536 standards UL listed, FM approved 2017-12-27T16:10:10+08:00 http://lede-fittings.com/2-valves Here we can provide NRS Flanged Gate Valve, Resilient Seated Gate Valve, Wafer Type Butterfly Valve as well as Grooved End Butterfly Valve for customers. 2017-12-27T16:10:05+08:00 http://lede-fittings.com/2-1-os-y-gate-valve The resilient seated OS&Y gate valve is designed as one of our newest products, with a simple construction and easy to maintain characteristics. The gate valve has a low torque and a high pressure. The pressure can reach PN40 under 1/3 of a standard torque. 2017-12-27T16:10:06+08:00 http://lede-fittings.com/2-2-nrs-flanged-gate-valve Outside and inside surface of the valve is coated with high quality of epoxy powder, so the painting is more complete and even, and can be used on drinking, food and pharmacy etc. 2017-12-27T16:10:06+08:00 http://lede-fittings.com/2-3-resilient-seated-gate-valve When the valve is fully opened, the upper sealing parts can be replaced under a water supply. The gate valve is a straight channel. When the valve is fully opened, the disc will completely leave the channel, leaving behind no dirt, and decreasing the flow resistance. 2017-12-27T16:10:06+08:00 http://lede-fittings.com/2-5-wafer-type-butterfly-valve With a self-sealing structure, the sealing property of the butterfly valve is proportional to fluid pressure, allowing the valves to withstand high pressures. The sealing lip on the rubber disc can remove mud and dirt when the valve closes. 2017-12-27T16:10:07+08:00 http://lede-fittings.com/2-6-grooved-end-butterfly-valve The sealing lip on the rubber disc can remove mud and dirt when the valve closes. The outer and inner surfaces of the grooved valve are coated in a high quality epoxy powder, so the paint coat is complete and even, making the valve safe for use in the food, beverage and pharmaceutical industries. 2017-12-27T16:10:07+08:00 http://lede-fittings.com/6-water-flow-control-valve Here we can provide Water Flow Control OS&Y Resilient Seated Gate Valve, Water Flow Control NRS Resilient Seated Gate Valve as well as Water Flow Control Wafer Type Butterfly Valve for customers. 2017-12-27T16:10:20+08:00 http://lede-fittings.com/6-1-gate-valve The resilient seated OS&Y gate valve is designed as one of our newest products, with a simple construction and easy to maintain characteristics. The gate valve has a low torque and a high pressure. The pressure can reach PN40 under 1/3 of a standard torque. 2017-12-27T16:10:21+08:00 http://lede-fittings.com/6-2-flanged-gate-valve The valve is of low torque and high pressure, the pressure can reach PN40 under one third of the standard torque. The valve is of straight channel, when the valve is fully opened, the disc will leave the channel totally, so there is no dirt left and the flow resistance is much smaller. 2017-12-27T16:10:21+08:00 http://lede-fittings.com/6-3-resilient-seated-gate-valve The OS&Y resilient seated gate valve is one of our newest products, and features a simple design and easy maintenance. The resilient seated valve features a low torque and high pressure. The pressure can reach PN25 under a third of the standard torque. 2017-12-27T16:10:21+08:00 http://lede-fittings.com/2-4-nrs-resilient-seated-gate-vavle The NRS resilient seated gate valve is one of our newest products, and features a simple design and easy maintenance. The resilient seated valve features a low torque and high pressure. The pressure can reach PN40 under a third of the standard torque. 2017-12-27T16:10:07+08:00 http://lede-fittings.com/6-5-wafer-type-butterfly-valve The self-sealing center-line butterfly valve is a newly designed and innovative valve with a micro-interference between the rubber disc and valve channel, which can decrease abrasions to the sealing face, increasing the service life of valves. 2017-12-27T16:10:22+08:00 http://lede-fittings.com/6-6-grooved-end-butterfly-valve The sealing lip on the rubber disc can remove mud and dirt when the valve closes. The outer and inner surfaces of the grooved valve are coated in a high quality epoxy powder, so the paint coat is complete and even, making the valve safe for use in the food, beverage and pharmaceutical industries. 2017-12-27T16:10:22+08:00 http://lede-fittings.com/about-us For 13 years, Lede has been meeting the pipe fitting needs of customers all over the world with top notch products. 2017-12-27T16:10:02+08:00 http://lede-fittings.com/company-profile For 13 years, Shandong Lede Machinery Co., Ltd. has committed ourselves not only to connecting pipes, but people to each other through top notch products and outstanding, friendly services. Formally established in 2003, we have over 600 people on our team to carry out our annual production capacity of 30,000 tons of grooved fittings, making us a leading grooved pipe fitting manufacturer. Here at Lede, we are dedicated to providing high price to performance ratio products, and all of our grooved fittings have been approved by both FM and UL standards. We are currently in the process of gaining LPCB and VDS certification standards to better guarantee the quality of our pipe fittings, couplings and mechanical tees. We own three large factories, all outfitted with advanced electric furnaces and automatic lines. The grooved fittings are machined using a CNC machine, and the surface is coated in a red epoxy powder, electrophoretic paint, orange paint or galvanized to increase the abrasion resistance of each fitting. The mold center is where new product are continuously developed, in order to meet diverse customer requirements. Lede's pipe fitting products have been sold all over the world to customers in America, Canada, Europe, Russia, Australia, the Middle East, Asia, and Africa, aiding us in our reputation as a trusted and reliable brand. 2017-12-27T16:10:02+08:00 http://lede-fittings.com/history In 2003 Shandong Lede Machinery Co., Ltd was founded, engaging in the production of grooved fittings. In 2009 Laiyang Kuangda Machinery Co., Ltd was founded. This subsidiary primarily produces grooved fittings and ductile iron pipelines. In 2012 Shandong Lede Machinery Co., Ltd, invested in a company that carries out the design and production of gate valves, butterfly valves, and check valves. 2017-12-27T16:10:03+08:00 http://lede-fittings.com/quality-control Material The nuts and bolts are made of high quality carbon steel, heat treated and zinc electroplated. They conform to ASTM A183 and ISO 898 standards. Production Process The casting process design is equipped with a computer simulation software (castsoft CAE) in order to simulate the molten iron pouring process. This ensures the best technology state and prevents possible casting defects. Design Feature The design of the coupling housing section allows it to self-center around a pipe, and encircle and retain the gasket against the application of pressure from the internal system vacuum. Quality Control 2017-12-27T16:10:04+08:00 http://lede-fittings.com/material Lede Group pays strict attention to the quality of each product in every step of production, from the procurement of raw materials, to processing and final shipping. We do not allow for the use of poor quality raw materials, and purchase them in full accordance with GB standard requirements, as listed below. Casting: Ductile iron and all castings meet ASTM 536 and ISO 1083 standards. Sealing ring: The sealing ring is made from EPDM, silica gel and Nitrile rubber. Bolts and nut: The nuts and bolts are made of high quality carbon steel, heat treated and zinc electroplated. They conform to ASTM A183 and ISO 898 standards. Surface: All castings are treated with sand blasting before finishing. For different environments, different finishes are recommended, such as epoxy powder, paint, or dichromate in order to meet a variety of customer requirements. 2017-12-27T16:10:04+08:00 http://lede-fittings.com/production-process Product Design We have a dedicated team for research and design, and all molds are designed in advanced using a CAD/CAM computer aided system, based on a finite element theory to optimize the grooved casting structure. All possible defects are fully considered during the casting process in order to ensure the safety coefficient of the product design is as close to actual production as possible. Casting Process The casting process design is equipped with a computer simulation software (castsoft CAE) in order to simulate the molten iron pouring process. This ensures the best technology state and prevents possible casting defects. Mold Machining All molds are machined by the processing center, which can achieve one fixture with five face milling technology, and ensures the dimensional precision of products. 2017-12-27T16:10:04+08:00 http://lede-fittings.com/design-feature Shandong Lede has a strong team for product research and design. All molds are designed using and advanced CAD/CAM computer aided system, based on a finite element theory in order to optimize the product structure. Possible defects are fully considered during the casting process, in order to make sure the safety coefficient of the product design is as close to actual production as possible. Housing Sections The design of the coupling housing section allows it to self-center around a pipe, and encircle and retain the gasket against the application of pressure from the internal system vacuum. The housing section keys fit into and engage the pipe-end grooved around the entire pipe circumference, thus preventing pipe end separation due to the application of internal pressure. The standard output of the housing section is made of ductile iron conforming to ASTM A536, Grade 65-45-12. Alternative materials available upon request include steel, stainless steel and copper. The standard output of the housing sections are coated with a rust inhibiting, lead free orange paint for general service applications. Nuts and Bolts The heat treated oval neck track head bolts join and secure the housing sections tighter. The oval neck track head design on the bolt head allows the hex nuts to be tightened using only one wrench. 2017-12-27T16:10:05+08:00 http://lede-fittings.com/quality-commitment 2017-12-27T16:10:05+08:00 http://lede-fittings.com/installation-procedure Depressurize and drain the pipeline system before attempting any installation, removals or adjustments of piping products. Always wear safety glasses, a hard hat, and foot protection. 2017-12-27T16:10:04+08:00 http://lede-fittings.com/contact.html Shandong Lede Machinery Co., Ltd. Tel.: +86-536-8167992 Fax: +86-536-8167992 Export Department: Manager: George Shao E-mail: admin@ledegroup.cn wflede@vip.163.com 2017-12-27T16:10:03+08:00