china supplier independent research urban construction no leak forged steel ball valve for oil and gas

china supplier independent research urban construction no leak forged steel ball valve for oil and gas
    Product Description

Number	Parts	Material
1	Valve Body	Steel .DIN St/37.0/37.8
2	Axis Guide	Steel .DIN St/37.0/37.8
3	Valve Ball	Stainless Steel AISI304
4	Stem	Stainless Steel AISI304
5	Ball Valve Seal	Carbon reinforced PTFE
6	Body Extension Tube	Steel .DIN St/37.0/37.8
7	Handle	Galvanized Steel
8	O-ring/Stem Seal	FPM
9	Gasket	PTEF

Handle
DN15-DN150	Galvanized Steel
DN200-DN250	Spraying carbon steel
DN250-DN1400	No handle, using the handwheel
We recommend DN300-DN1400 manual gearbox operation.
Running Condition:
temperature -30°C-+200°C(less than 0°C, contact us)

  Company Information Hebei Tongli Self-Control Valve Co., Ltd. is located in the casting country of China. 
Our products are in accordance with the ISO9001 Quality and ISO14001 Environment Management 
System. also SGS, BV. 
And our products are sold to over 30 districts in China and also exported to many districts such as
Europe, America, Japan, South Korea and Middle East. 
Welcome contact me! You will recieve the best service and qualtiy.   Advantage -Welded ball valve can be buried under the ground and no need to build that tall valves. It reduce  construction costs and avoid damage when people get into the well controlling valve. -When welded ball valve is open, the ball is completely surrounded by the seat. Although media has less  impurities but it doesn’t erosion ball seat and sealing surface, due to the special structure of the valve seal  this pipe with life. -Welded ball valve closed stationary seal seat medium on the ball and can not cause harm, still open when  deposited in the process media debris scraped the ball again, under the seat with a spring pressure and  temperature changes have compensation guarantee does not have any leaks. -Light weight, appearance, and easy to heat, so that the pipeline is more delicate. -Direct welding in the pipeline saves flange, screw, gaskets, saves the building cost of projects and a lot of  material resources. -Prefabricated heat preservation reduce the amount of heat loss. -Due to the special structure, the normal use warranty is 20 years.