Steel Partial Threaded Straight Valve Spindle

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1 Piece pc
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8000 Pieces Per Month pc/month

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Product Description:

‍Packaging & Delivery of partial threaded valve spindle

Packaging Details: standard export package or make the special according to your requirement
Delivery Detail: usually keep in stock within 15 days

 

Specifications of partial threaded valve spindle 

1.high precision processed


2.low price always


3.fast delivery


4.good service


Nominal pressure: 2.0MPa

Actuating Medium: Water, non-corrosive liquid, gas

Working pressure: 0.01-2MPa for water or oil; max working pressure for gas: 0.8MPa

Operating temperature: -20 ° C ≤ t ≤ 120 ° C


Pipe Threads comply with: Standard GB/T7307-2001,ISO228

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Q:Can the stem and sphere of a ball valve be made into a whole? Did you do that? Seek specific analysis
The ball and rod can of course be integrated (now this kind of valve is also a lot of it), and the split is different: one ball is generally mounted, and certainly, can only be in the form of a fixed ball valve (which might not be floating ball.). The advantage of this form is that the club is integral, with no stem ejection, no backlash, accurate drive, good rigidity and good assembly accuracy. The disadvantage is that the blank cost is high, processing equipment requirements. Generally speaking, one ball open ball valve is much more expensive.
Q:Zhejiang Zhiyuan stem
Zhejiang, referred to as "Zhejiang", the largest river within the river twists and turns, Qiantang River, said Jiang, Zhejiang, also known as Zhejiang Province, Jiang name.Located in the South Chinese along the southeast coast of the Yangtze River Delta, East China Sea, south of Fujian, West connected with the Anhui and Jiangxi, bordering the north and Shanghai, Jiangsu.
Q:What is suitable for fishing rod
I have to play with the stem and black turtle. The effect can also make 3 blackfish yesterday
Q:Horizontal installed gate valve, stop valve stem should be in the first half of the range,
For example, fire pump, water pipe, gate valve, to see this side to the horizontal 90 degrees, turn 90 degrees in the opposite direction
Q:How to solve the leakage of the valve stem of electric control valve?
Is the packing leaking?! Tighten the packing gland bolts.
Q:What are the connecting ways of valve plate and valve stem of gate valve?
Valve advantages:1, small flow resistance. Inside the valve body, the medium passage is straight through, the medium flows in a straight line, and the flow resistance is small.2, when opening and closing more effort. In comparison with the cut-off valve, the gate movement direction is perpendicular to the direction of the flow of the medium whether it is open or closed.3, high height, long opening and closing time. The opening and closing stroke of the ram is larger, and the reduction is done by screw.4, the media can flow in any direction on both sides, easy to install. Gate valves are symmetrical on both sides of the channel.5. Compact structure, good rigidity of valve, smooth channel, small flow resistance, stainless steel and carbide alloy used in sealing surface, long service life, PTFE packing, reliable sealing, easy and flexible operation
Q:Clamp design of valve stem
Jx225 hardware mold design cover gasket design manual.DocJx226 percussive rotary drilling technologyJx227 single line drawing machineJx228 process -MG250591-WD shearer shearer's right rocker shell machining process and NC programmingJx229 process -WH212 reducer shell processing technology and fixture designJx230 process - crankcase parts processing technology and fixture designDesign of two stage electro hydraulic proportional throttle valve with displacement electrical feedback jx231Design of automatic inspection line for outer surface defects of jx232 miniature bearingsDesign of flip mould for injection molding of jx233 mobile phoneStructure design of working device of jx234 backhoe loaderDesign of plastic die for jx235 die elbow jointDesign of automatic needle clamping machine for jx236 needle roller bearingsJx237 injection mould for bottle stopperNC machining process and tooling design of jx238 loom guide plate parts
Q:Valve handwheel can move, stem does not move what is the matter?
Handwheel and stem out of line, suggest replacing new wheel
Q:Stem material
3, alloy steelGenerally choose 40Cr, 38CrMoA1A, 20CrMo1V1A and other materials. 40Cr after chrome treatment, apply to nominal pressure is less than 32MPa, temperature less than 450 degrees of water, steam, oil and other media. 38CrMoA1A after nitriding treatment, can work temperature of 540 degrees under the pressure of 10MPa, often used in power plant valve. 20CrMo1V1A after nitriding treatment, can work at 570 degrees temperature under the pressure of 14MPa, often used in power plants valve.4,Generally choose 2Cr13, 3Cr13, 1Cr17Ni2, 1Cr18Ni12Mo2Ti and other materials. 2Cr13, 3Cr13 stainless steel for nominal pressure less than 32MPa, the temperature is less than or equal to 450 degrees of water, steam and weak corrosive medium, can be chromium plating, high frequency hardening and other methods to strengthen the surface. 1Cr17Ni2 stainless steel valves and cryogenic valves are resistant to corrosive media. 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti stainless acid resistant steel for nominal pressure less than 6.4MPa, temperature is less than or equal to 600 degrees of high temperature valve, can also be used for temperature less than -100 degrees of stainless steel valve, low temperature valve. 1Cr18Ni9Ti can resist corrosive medium such as nitric acid; 1Cr18Ni12Mo2Ti can resist corrosive medium such as acetic acid. When 1Cr18Ni9Ti and 1Cr18Ni12Mo2Ti are used in high temperature valves, nitriding treatment can be adopted to improve the scratch resistance.
Q:Hydraulic excavator main control valve stem wear can be changed? Will the valve bore not be worn?
Hydraulic excavator is a kind of multifunctional machine, is widely used in water conservancy engineering, transportation, power engineering and mining machinery in the construction, it is to reduce the heavy manual labor, ensure the quality of the project, plays ten important role to accelerate the construction speed and improve labor productivity. Because hydraulic excavator has many varieties, multi-function, high quality and high efficiency and so on, it has been favored by the construction units. The production of hydraulic excavators is also booming.
During more than 20 years of development, we have been specialized in manufacturing all kinds of machinery parts. professinal in finish processing ,hardware parts producing , textile usage and manned elevator machine parts ,etc.equipped with complete set machining equipment :boring mill ,miller ,punch press ,press ,engine lathe ,CNC center and gauge lathe providing a integrated services.

1. Manufacturer Overview

Location Jiangsu,China (Mainland)
Year Established 2008
Annual Output Value
Main Markets North America
South America
Eastern Europe
Southeast Asia
Africa
Mid East
Eastern Asia
Northern Europe
Company Certifications ISO 9001:2000;ISO 9001:2008

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Export Percentage 81% - 90%
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Factory Size: 1,000-3,000 square meters
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