The opening and closing part of Globe valve is a plug disc, the seal surface of the globe valve is flat or cone, and the valve flap of globe valve moves along the center line of the valve seat in a straight line.
Production Size:DN15-DN300mm
Pressure range:PN10,PN16
Design Standard:DIN3356
Face to Face:DIN3202/EN558-1
Flange Standard:EN 1092/DIN2533
Testing Standard:EN12266
Main Material of parts:
Body:GG20/GG25/GGG45/GGG50
Disc:GG20/GG25/GGG45/GGG50/Carbon steel/stainless steel
Stem:2Cr13/SS304/SS316
Seat:Brass/stainless steel/PTFE
It can be used to control the flow of various types of fluid, such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium.
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Under the influence of various unfavorable factors, the domestic heavy truck market showed a significant slowdown in the first half of 2011, which has exacerbated the industry’s pessimistic expectations for the heavy truck market throughout the year. However, in recent days, analysts in the automotive industry pointed out that due to the positive effect of some stimulus factors, the heavy truck industry may usher in a short-term turning point in the second half of 2011. Allegedly, this phased node with better sales year-on-year and a quarter-on-quarter ratio may emerge in September.
The reason why such judgments are made is because the order left in the first half of 2010 was relatively large, resulting in a lower base for the heavy truck market in September-December 2010; secondly, after May 2011, the domestic heavy truck companies’ signs of reducing production and digesting inventory have increased. The more obvious, it is expected that it will improve by August 2011. Furthermore, various favorable factors may gradually release in the second half of the year. The more sensitive time window may also be August-September.
The commencement of a large number of affordable housing projects in the second half of 2011 will bring short-term stimulation to heavy truck sales. More importantly, the logistics industry in the major demand areas of heavy trucks is undergoing positive changes, which can, to a large extent, stimulate the recovery of semitrailer tractor sales, thereby increasing the overall prosperity of the heavy truck industry. 
Since 2011, the heavy-duty truck market has not been prosperous during the peak season and the off-season is particularly weak, which is mainly hampered by the sluggish tractor-trailer market. The sales of semi-trailer tractors are closely related to the freight volume and profitability of the logistics industry. Since 2011, the rising oil prices and high cost of roads and bridges have drastically reduced the profitability of heavy trucks. Heavy truck users running transportation do not make money, naturally lack the motivation to purchase vehicles.
With the increasing emphasis on the logistics industry, especially the logistics country’s eight special proposals to reduce the cost of roads and bridges, as well as the special clean-up work for road tolls, it will greatly help improve the profitability of heavy-duty trucks; at the same time, The implementation of the Regulations on the Protection of Highway Safety has also increased the investigation and handling of overloading, reduced the capacity of single-vehicle vehicles, and caused many companies to purchase new vehicles. This is also an opportunity for heavy trucks.
The above factors will undoubtedly stimulate the recovery of consumption in the logistics vehicle market and release the demand for some tractors, thereby stimulating sales growth in the entire heavy truck market.
