2011年3月10日星期四

Inverted Pressure Balance Lubricated Plug Valve

Inverted Pressure Balance Lubricated Plug Valve:

~Bolt cover,structure of flip-chip balanceable pressure and light on/off operation.An oil grove is set between valve body and seal surface,which may infuse the seal grease t
increase the seal capability.

Standards compliance
Design and Manufacture: API 599,API 6D
Face to face(end to end): API B 16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598,API 6D
If you want more detailed information or price please directly enquiry us

http://www.yongyivalves.com/Inverted-Pressure-Balance-Lubricated-Plug-Valve-96.html

CONNECTION LIFT PLUG VALVE

CONNECTION LIFT PLUG VALVE

Main structural features
Bolt bonnet OS & Y lifting-round plug.
Opening and closing of the valve is carried out while the sealed surface is taken off,so it will not cause abrasion on the sealed surface.Double direction.

Principle of opening and closing of the valve

process of opening and closing of the valve.When opening the valve,first of all,turn the hand wheel to make the plug lifted and separated with the sealed surface,the turn the
handled by 90 degree to connect the channel of plug th the channel of valve body.So that the valve is opened.When closing the valve,first of all turn the handle by 90 degree to
mark the channel of plug vertical to the channel of valve body,and then the hand wheel to descend the plug.So that the valve is closed.
We welcome you to visit our factory, We choose
Standards compliance

Design and Manufacture: API 599,API 6D
Face to face(end to end): ANSI B 16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
If you want more detailed information or price please directly enquiry us
http://www.yongyivalves.com/CONNECTION-LIFT-PLUG-VALVE-95.html

2010年12月6日星期一

ball valve

A ball valve characteristics a spherically formed disc, the valve’s part which monitors the circulation by implies of it. A hole or interface is composed for the sphere by implies of its middle; the intent is for circulation to obtain location once the interface is in range while using two halts of the valve. Subsequently, circulation is obstructed thinking of the hole receives perpendicular for the halts of the valve while using near of the valve. The valve’s positioning is generally witnessed thinking of the lever or handle could perhaps be in range while using positioning of the port.

The kind of seat expected is dependent on elements employed as well thinking of the stress rating. All valves seats usually are not the same; even when some are of solitary molded variety, other individuals are of significant stress ratings. The trunnion design is involving the higher-pressure ranked and indicates the facts that deal with of every solitary ball valve is not really collectively but separately sealed.

Even quickly after numerous many years of use, ball valve even now hold out to complete perfect shutoff; they may be resilient in nature. for individuals who’re for that reason fascinated as an important part of your best valves for shut away applications, these valves would be an ideal suited; for the context of shutoff applications, they complement correctly and far better in assessment while using world valves and gate valves. However, they is not really heading to complete the excellent handle desired in throttling applications, while they is generally at durations employed for these kinds of purpose.

Because of the flexible nature, ball valves are completely employed in industry; they help pressures of about 700 discos temps reaching to 2000C. These valves are sized involving 0.5 cm and thirty cm. the procedure of running and repairing the valves is rather easy. These valves can compose of aluminum or plastic material body; or aluminum running with a ceramic center even once the ball is generally chrome plated to improve its durability. They belong for the property of quarter change valves together part with plug valve and butterfly valve.

These types of valves are excellent in numerous respects; they may be generally witnessed as getting better-quality relative to a few other types of valves. They purpose to protect and regulate three essential things; significant volume, significant stress and significant circulation of temperature. the products is generally beneficially obtained at reduce price. Their regulating element’s design assists you for his or her running without getting bothering about part loads; also, its design gives room for useful resolve of the seats in problematic scenarios as well as closes while using general body of the valves for the line.

The safety valve are supported by elastomeric cushions that deliver stress versus the ball as well as make provision for wear. As mentioned earlier, these kinds of valves hold out to complete comprehensive shutoff irrespective of the quantity many years they transpire to be in use. they could be the required types of valves for shutoff applications; however they'd perhaps purpose effectively as well in throttling applications.

There are other types of valves that include protection valves, butterfly valves, choke valves and numerous others. every solitary one is employed for one or added ask that it meets in. Ball valve is correctly fitted for shutoff applications.
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2010年11月12日星期五

Get to know about safety valve

There are so many types of valves, if you are confused by all of them, then get to know about safety valve first:
Safety overflow valve
Model: AY42H/HA802Y ;
Diameter: DN 15~40 / 15~32 mm
Body Materials:Carbon Steel etc.
Medium: Water etc.
Applicable Temperature: ≤ 200°C
Pressure:16~60MPa
Applicable Industry: Urban
 Construction,Chemical,metallurgy,Oil,Pharmaceutical,Food,Beverage,Environmental protection
 AY42H、HA802Y type safety overflow valves are to be pipelines in high-pressure pump stations to
 provide over pres-sure protection.

You can know more about other valves details in our website.

2010年10月26日星期二

Learn about safety valve

There are many kinds of safety valve, GYA Series Liquid-Pressure Safety Valve is one of them, and has its own features, see details about it as below:
GYA Series Liquid-Pressure Safety Valve1. Liquid pressue style safety valve is an assistant equipment fo the breathing valve ,the active
 pressure of aspiration and expiration is higher than breathing valve.as upon once the moving
 disc will be frozen,the liqu id seal of the liquid pressure style safety valve can be broken for
 protecting the oil tank.
2. The control pressure :+56mm water columm to -50mm water column.
3. Liquid pressure safety valve will be installed in top of oil tank and assorted used with  breathing valve.

2010年10月18日星期一

Application for safety valve

Do you know which industries is safety valve applied in? Find the answer from following information:

Model: WA44C Bellows safety Valve
WA44C Type balance bellows spring safety valve
Diameter: 1/2"~12" x 3/4"~14"
Medium:Gas and liquid such as nitric acid, acetic acid etc.
Pressure: 150~900Lb
Applicable Temperature: ¡Ü300¡ãC
Body Materials: Carbon steel, stainless steel etc.
Applicable Industry: Urban
 Construction,Chemical,metallurgy,Oil,Pharmaceutical,Food,Beverage,Environmental protection Bellows safety Valve.

Get more Valve details in this website: http://www.yongyivalves.com/.