Buy Agricultural Chain from China: 二月 2014

2014年2月27日星期四

Buy Agricultural Chain from China: The Select type of Steam traps

Buy Agricultural Chain from China: The Select type of Steam traps: Steam traps , the basic function of the steam system , condensate in the air and carbon dioxide gas emissions as soon as poss...

The Select type of Steam traps

Steam traps, the basic function of the steam system, condensate in the air and carbon dioxide gas emissions as soon as possible; at the same time maximally automatically prevent steam leakage.Steam traps many varieties, each with different performance.

How the selection

1.The minimum loss.

2.Long service life, reliable performance.

3.Can discharge the air.

4.Can emit carbon dioxide gas.

5.Corrosion resistance.

6.Can work under pressure, high pressure water.

7.Can prevent dirt clogging.

8.Water hammer.

Fluid Couplings

Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains, Stainless Steel Chain,Engineering Chain,sprockets and plate wheels, pulleys, gearboxes, motors, couplings, gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint,power transmission equipment, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

2014年2月26日星期三

Introduction the paper and structure characteristics of plug valve

Structural characteristics

(1).Plug valves fluid by DC, small resistance, convenient opening and closing, quickly.

(2).Plug valves in the pipeline is mainly used for cutting, distribution and change the flow direction of medium rise. It is easy to adapt to multi channel structure, so that a valve can get two, three, or even four different channel, this simplifies the design of piping systems,reducing valve and equipment required in the amount of someconnection fittings.

(3).Plug valve is the valve the earliest history of people used.Because of simple structure, rapid opening and closing (plug 1/4Q turn to complete the opening and closing action), convenient operation, small fluid resistance, is still widely used. Mainly used in low pressure, small caliber and medium temperature is not high case.

(4).According to the structure characteristics and design plug valves of the function, can be used according to the followingprinciples.

Used for distribution of media and change the flow direction of medium, its working temperature is not higher than 300 ℃, nominal pressure PN ≤ 1.6MPa, nominal diameter less than 300mm,suggested the use of multiple plug valve.

Equipment and pipeline, milk, fruit juice, beer, food industry andpharmaceutical factory and so on, the selection of austenitic stainless steel business advice, tight set conical plug valves.

The oil, natural gas, pipeline transportation branch, refining andcleaning equipment, nominal pressure of not more than Class300,nominal diameter less than 300mm, suggested the use of conical plug valve oil seal.

The oil, natural gas, pipeline transportation branch, refining andcleaning equipment, nominal pressure of not more than Class7500,nominal diameter less than 900mm, the temperature is not higher than 340 ℃, suggested the use of conical plug valve oil seal.

Chain guides

In large scale chemical industry equipment, pipeline and corrosivemedium, request to open or close the speed occasions, for using nitric acid as the base of the medium can be used Teflon sleeve conical plug valve seal; for acetic acid based medium, can choose Crl8Nil 2M02Ti stainless steel lined PTFE sleeve conical plug valve seal.

In the pipeline gas, natural gas, HVAC systems and equipment,nominal diameter less than 200nm, should use packed type conical plug valve.

Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,Transmission Chain,Lifting Chain, sprockets and plate wheels, pulleys, gearboxes, motors, couplings, power transmission equipment,Chinabase is able to offer custom, cost-optimized solutions in accordance with customer drawings - such as ready-to-install machine parts and profiles - in addition to our standard products. Our internal Application Technology department and field staff are happy to provide free advice on custom solutions.

2014年2月25日星期二

The Comparison and disadvantage of plug valve

1.Raise the stem wedge plug valve, switch has no friction, ensure that the valve is easy to operate, zero leakage and long life.

Open valve when the valve from the valve seat to the upward movement, then friction free to rotate 90 degrees to the valve openclose the valve spool; first, friction free to rotate 90 degrees, and then squeeze the completely closed to the seat to. In the process of opening and closing the valve between the valve core and valve seat, always without friction.

2.Double off and automatic check valve seal device (DBB function,with ABV automatic discharge system).

3.The top and bottom are end cover, fast online maintenance andrepair;

In line with the case of medium, only need to close the valve, canremove the bottom end cover, can quickly remove the sand,welding slag and other hard particle removal, repair and replacement and convenient for the valve seal.

Timing Belt Pulleys

Valve defects:

1.The gate in the opening and closing process friction always exist,so the operation torque is large, and the sealing surface is easy to generate scratches in the gate and the seat, the valve leakage;

2.No self leakage device, (even through the two gate to install a small valve to achieve this function, also cannot achieve the function of automatic detection);

3.For containing impurities such as sand, medium, deposited on thevalve at the bottom, so that the gate can not be completely closedin place, resulting in valve leakage is very serious, (this is the fatal weakness of the gate valve.).

Chinabase Machinery is a group of manufacturing facilities, offering one-stop solution for mechanical power transmission products in China. We can supply a full-range of power transmission products, such as chains,Stainless Steel Chain，Agricultural Chain，sprockets and plate wheels, pulleys, gearboxes, motors, couplings, Tyre Coupling，gears and racks. Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Chinabase is able to offer custom, cost-optimized solutions in accordance with customer drawings - such as ready-to-install machine parts and profiles - in addition to our standard products. Our internal Application Technology department and field staff are happy to provide free advice on custom solutions.

The advantages of Plug valves

Plug valve is closed or plunger type rotary valve, by rotating 90 degrees to the channel mouth and the valve on the valve plugopenings on the same or separate, to achieve a valve open or closed. Plug valve plug into a cylindrical or conical shape. In the cylindrical valve plug, the channel is generally rectangular; and the conical valve plug, the trapezoidal channel.

The shape of the structure of the plug becomes light, but also produced a certain loss. Cock valve for cutting off and on as streaming media and application, but the nature and basis for resistance to erosion of the sealing surface, and sometimes can also be used for throttling.

fluid coupling

Advantage

1.Plug valves for the regular operation, open and close quickly,lightweight.

2.Plug valve fluid resistance small.

3.Plug valve has the advantages of simple structure, relativelysmall volume, light weight, easy to repair.

4.Good sealing performance

5.Not subject to restrictions on the mounting direction, the flow of media can be arbitrary.

6.No vibration, low noise.

Introduction the Use of the Plug valves

In the cylindrical valve plug, the channel is generally rectangular; and the conical valve plug, the trapezoidal channel. The shape of the structure of the plug becomes light, but also produced a certain loss. Cock valve for cutting off and on as streaming media and application, but the nature and basis for resistance to erosion of the sealing surface, and sometimes can also be used for throttling.

Universal-joint

Use

Plug valves widely used in oil extraction, transportation and refining equipment, but also widely used in petrochemical, chemical, gas,natural gas, liquefied petroleum gas, HVAC industry and general industry.

Our product range also covers locking assemblies (clamping elements/locking device), taper bushes, QD bushes, bolt-on hubs, torque limiters, shaft collars, motor bases and motor slides,Locking Assembly， chain detachers, chain guides, fluid coupling，universal joint, V belts，rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

Chinabase is able to offer custom, cost-optimized solutions in accordance with customer drawings - such as ready-to-install machine parts and profiles - in addition to our standard products.

2014年2月24日星期一

The Installation of main points

Our product range also covers locking assemblies (clamping elements/locking device),power transmission equipment, taper bushes, QD bushes, bolt-on hubs, torque limiters,Engineering Chain， shaft collars, motor bases and motor slides, chain detachers, chain guides, universal joint, Chain guides，rod ends and yokes. Our products are used in many different industry sector, like in automation engineering, drive engineering, conveyor technology, assembly and handling technology, packaging industries, the beverage, food and medical engineering, pharmaceutical production, and laboratory equipment.

1).Location, height, must meet the design requirements of the import and export orientation, the connection should be firmly.

2).All kinds of manual valve installed in the pipe insulation, handle are not down.

sprocket

3).The valve must be installed prior to visual inspection, the valve plate should be consistent with the provisions of GB 12220 existing national standards, "universal valve logo". The working pressure greater than 1 MPa and in the main pipe on the role played off valve, the installation should be carried out before the performance test the strength and tight, pass behind the prospective use.Strength test, the test pressure is 1.5 times the nominal pressure,duration of not less than 5min, the valve housing, packing should be no leakage. Tightness test, the test pressure is 1.1 times thenominal pressure; the test pressure shall comply with the requirements of GB 50243 standard in the test duration, the sealing surface of the valve without leakage.

4).Handwheel, handle and drive mechanism for lifting are not allowed to use, non collision.

5).Belt drive mechanism of the valve, according to product instructions for the installation.

The main standard gate valve

The main criteria

(1) GB/T 12232-2005 universal valves flanged iron gate valve

(2) steel gate GB/T 12234-2007 petroleum, natural gas industrialstud connection valve cover

(3) GB8486-87 "internal thread connecting the valve, ball valve,check valve, general technical regulations"

(4) GB8465.1-87 "internal thread connecting the valve, ball valve,check valve, the basic size of steel gate"

(5) JB/T53162-1999 "valve product quality classification"

(6) the pipeline steel plate gate valve "JB/T5298-91"

(7) JB/Z243-85 "valve static life test rules"

(8) JB/TQ648-8 "iron clamp type flat plate gate valve"

(9) JB/T53200-94 "iron on the price of the flat gate valve product quality classification"

(10) JB/T53242-94 "steel plate gate valve product quality classification"

Universal joint

1.The principle

Closed parts (gate) along the channel centerline vertical movementto fully open and fully closed off with.

2.Choose

The valve is mainly used to cut off or connect the line of medium,generally do not use as a regulator or throttle.

3.Classification

Valve according to the different classification methods can be divided into: parallel gate valve, wedge gate valve, gate valve, liftingrotating rod valve, quick opening and closing valve, reduced valve,flat gate valve etc..

4.Characteristics

Fluid resistance small, the application of pressure, temperature range, the direction of media flow unrestricted, good sealing performance.

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