Ningbo Yinzhou Pengcheng Precision Casting Factory

[Province: Zhejiang ]   

Aluminium alloy gravity casting

Payment Terms: T/T
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Basic Info.
  • Brand Name: Casting 
  • Specification: per drawing 
  • Function: valve housings,oil industry 
  • Patent Rights: None 
  • Certificate: ISO9001 & TUV 
  • Export Area: USA CANADA EUROPE 
  • Cooperative Company: Many 
  • Place of Origin: Zhejiang  
  • Min.Order: 500 pcs
  • Means of Transport: by sea / by air
Supply Capacity
  • Production Capacity: as per customers
  • Packing:wooden or paper box package
  • Delivery Date: 60- 90 days
Brief introduction: Ningbo YinZhou Pengcheng Precision Casting Factory is one of the leading foundries in China with export license and ISO9001- 2000 certificated.

The foundry is equipped with the most advanced facilities for production, inspection and testing: 6 sets of GW 250 KG middle frequency meters; Heat treatment furnaces; coal gas furnaces; metallographic examination in microstructure analyst; magnetic particle inspector; spectrometer analyst in chemical compositions; impact tester; universal strength tester; hardness tester and so on. investment casting, aluminum investment casting

Serving industry of: metallurgy; coal mine; petroleum; construction; medical and food machinery; automobile; agriculture.

Typical components for : valve; pump; pipe fitting; fluid equipments; railway castings; bucket teeth; mine machines; chain sprockets; powder transmission parts?security locks; washing machines; boat hardware; business machines; 

Material specification: carbon & low alloy steel; stainless steel; high alloy & wear resist steel; gray iron; ductile iron; malleable iron; alloyed cast iron; aluminum alloy; cooper alloy; zinc alloy
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Range of casting weight: 0.50kg – 150kg
Precision Casting OEM manufacturer high pressure valve housings  oilfield tool parts  downhole drilling tool parts Ningbo  Shanghai. export license  ISO9001:2000 TUV (PED 97/23/EC & AD2000 – W0/TRD 100) exporter castings forgings CNC machined parts  electrical frequency furnaces air hammer punch friction    press oil-hydraulic press  CNC lathes CNC machine center milling spectrometer  Coordinate Measuring Machine (CMM) Surface Roughness Tester  tensile yield  hardness low temperature impact  PT inspection  X-ray hydraulic pressure test  CAD Pro-E Solid works Photoshop  Adobe carbon steel stainless steel WCC WCB WC6 WC9 LCC CF8 CF8M alloy steel gray iron GGG50 GGG60 GG40 grinding drilling milling    
GLOBE VALVES.- Globe valves are probably the most common valves in existence. The globe valve derives its name from the globular shape of the valve body. However, positive identification of a globe valve must be made internally because other valve types may have globular appearing bodies. Globe valve inlet and outlet openings are arranged in several ways to suit varying requirements of flow. Figure 9-18 shows the common types of globe valve bodies: straight­flow, angle-flow, and cross flow. Globe valves are used extensively throughout the engineering plant and other parts of the ship in a variety of systems.
GATE VALVES.- Gate valves are used when a straight-line flow of fluid and minimum restric­tion is desired. Gate valves are so named because the part that either stops or allows flow through the valve acts somewhat like the opening or closing of a gate and is called, appropriately, the gate. The gate is usually wedge shaped. When the valve is wide open, the gate is fully drawn up into the valve, leaving an opening for flow through the valve the same size as the pipe in which the valve is installed. Therefore, there is little pressure drop or flow restriction through the valve. Gate valves are not suitable for throttling purposes since the control of flow would be difficult due to valve design and since the flow of fluid slapping against a partially open gate can cause extensive damage to the valve. Except as specifically authorized, gate valves should not be used for throttling.
Gate valves are classified as either RISING­STEM or NONRISING-STEM valves. On the nonrising-stem gate valve shown in figure 9-19 the stem is threaded on the lower end into the gate. As the handwheel on the stem is rotated, the gate travels up or down the stem on the threads, while the stem remains vertically stationary. This type of valve almost always has a pointer-type indicator threaded onto the upper end of the stem to indicate valve position.
The rising-stem gate valve, shown in figure has the stem attached to the gate; the gate and stem rise and lower together as the valve is operated.
Gate valves used in steam systems have flexible gates. The reason for using a flexible gate is to prevent binding of the gate within the valve when the valve is in the closed position. When steam lines are heated, they will expand, causing some distortion of valve bodies. If a solid gate fits snugly between the seat of a valve in a cold steam system, when the system is heated and pipes elongate, the seats will compress against the gate, wedging the gate between them and clamping the valve shut. This problem is overcome by use of a flexible gate (two circular plates attached to each other with a flexible hub in the middle). This design allows the gate to flex as the valve seat compresses it, thereby preventing clamping.

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Ms. Yang Jingjing (Sales Manager)
Tel: 86-574-88347277
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Contact Method
Ningbo Yinzhou Pengcheng Precision Casting Factory
Yunlong town, Yin County, Ningbo, Zhejiang, China (Mainland) / 315137
Fax: 86-574-88494320
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