CNC Parts Valve Stem From Round Bar

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China Main Port
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TT or LC
Min Order Qty:
50 Pieces pc
Supply Capability:
5000 Pieces Per Month pc/month

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‍Packaging & Delivery of CNC Machined Parts 

Packaging Details: one piece in abubble wrapped,25pieces in a carton or according to customer's request
Delivery Detail: 45-60days after receiving the 30% deposit


Specifications of CNC Machined Parts 

Valve Stem From Round Bar

Alloy steel or stainless steel

ACME Threads

Checked by Go/Nogo Gage


Description of CNC Machined Parts :
Size : 1/2" to 36"

Certification: ISO 9001: 2008

Standard: ASTM, JIS, DIN, ANSI, BS

The Main Materials: CF8, CF8M, CF3M, 1.4301, 1.4408, 1.4404, 1.4581, 304, 304L, 316, 316L, 301, 201 .

Standards for the machining screw thread :PT, NPT, DIN2999, BS84, IS0228, JISB0203, JISB0207, JISB0211.


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Q:How does the positioner output change when the feedback lever of the positioner and valve stem falls off?
The positioner and the control valve are connected with the feedback rod to fall off, and the positioner has no feedback and becomes a pneumatic amplifier with high magnification.
Q:What is the effect of the gap between the solenoid valve and the valve stem?
it may cause three problems:1, the coil sway easily broken;2 、 the coil is not easy to seal;3, influence electromagnetic frequency and function.
Q:How to judge the quality of fishing stem?!
Buy this line with this method, one is satisfied with the thickness, and two is to avoid the purchase of poor quality line.
Q:Can water wheel be used with valve stem?
Temporary use, you can, for a long time, not recommended. The guide ring rods and the guide ring number, spinning line has an angle,
Q:Butterfly valve stem calculation, why not take into account the bending moment?
Now most of the one-way seal structure, the three eccentric moment has little effect, mainly consider the torsion stress, two-way sealing butterfly valve or non - moment sealing butterfly valve to take into account the stem interference.
Q:How many connections are there between the handwheel and the stem?
I don't understand. I've got some information for youThe simplest is: your home faucet is the valve.First, the definition of valve:"Valve" is defined in the fluid system, used to control the direction of the fluid, pressure, flow device. A valve is a device for flowing or stopping the medium (liquid, gas, powder) in a pipe and equipment and controlling its flow.Two, according to the role of opening and closing valves, valve classification methods are many, here describes the following.1. classification by function and use(1) cut-off valve: cut off valve, also known as closed circuit valve, whose role is to connect or cut off the pipeline medium. The cut-off valve includes gate valve, globe valve, plug valve, ball valve, butterfly valve and diaphragm.(2) check valve: check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline. Pump water off the bottom valve check valve also belongs to class.(3) safety valve: the role of the safety valve is to prevent the pipe or device in the medium pressure exceeds the required value, so as to achieve the purpose of safety protection.(4): regulating valve regulating valves including control valve, throttle valve and pressure relief valve, and its role in the regulation of the medium pressure, flow parameter.(5) shunt valve: diverter valve, including a variety of distribution valves and traps, etc., its role is to distribute, separate or mix the medium in the pipeline.
Q:How to adjust the valve stem valve leakage?
The valve leakage is 1, the spool and the valve seat sealing surface wear, grinding or replacement; 2, 3, the stem is too short; there is a foreign body card in
Q:What is the difference between the upper valve stem bearings of the thrust bearings?
Its force direction is not the same, the general bearings are radial force, and the thrust bearing is in the end direction of the force, the solid structure is not the same."And you ask" thrust bearings, upper stem bearings what is the difference? / / thrust bearing, stem bearing difference"
Q:Hydraulic excavator main control valve stem wear can be changed? Will the valve bore not be worn?
It is recommended to change the set because the rod is worn out and the valve body should be worn almost as well. Change the set for safety. One is in order to reduce environmental pollution, the valve core and valve sleeve wear off, the gap is also large, began to leak (leak that it is), in a few days you have to add hydraulic oil
Q:What is the seal between the valve stem and the valve cover?
Most valves:The seal between the valve and valve cover depends on the valve cover gasket.The seal between the valve and the stem depends on the packing.There are also valves, valves and stem seal between bellows, "O" ring, and so on.
We have business of various commodities, development of valve parts, brand promotion and agency servicesMain products: valves, mechanical parts, carbon steel, alloy steel parts, castings, forgings, etc. Products are all exported.By virtue of the advantageous location, we have a well-established sales network. We will further widen the market at home and abroad, and provide high quality products and services for our customers.

1. Manufacturer Overview

Location Beijing,China (Mainland)
Year Established 2012
Annual Output Value
Main Markets North America
South America
Northern Europe
Southern Europe
Company Certifications ISO 9001:2000

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin Port
Export Percentage 91% - 100%
No.of Employees in Trade Department 6-10 People
Language Spoken: English, Chinese, Italian
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range