Steel Partial Threaded Straight Valve Stem

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Piece pc

Supply Capability:: 8000 Pieces Per Month pc/month

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‍Packaging & Delivery of Steel Partial Threaded Straight Valve Stem

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 stem

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

Q:What is the function of the stem nut? My valve can not be opened, is it because you want to loosen the rod nut to move?: Positioning effectPerform device link with valve stem

Q:How to adjust the valve stem valve leakage?: 4, in the valve seat; the actuator stiffness is too small; 5, the valve before and after the pressure is too large; 6, the valve positioner failure; 7, diaphragm or gas path pipeline leakage.

Q:Can the valve stem be lengthened?: Valve can be extended, such as the valve position is far from the operating position, you can process the connecting rod, equivalent to the role of stem.If you want to improve the original valve parts (valve stem), you must know the valve condition to lengthen. The extended stem must be bent.

Q:Where is excavator, multiway valve stem processing?: Unfortunately, scanty domestic manufacturers are manufacturing excavator multi way valve stem, a little known is Nakagawa hydraulic.

Q:I novice, recently wanted to start with stem, do not know what the wheel is suitable, mainly for fishing for carp, but does not rule out carp bite, ha! Brand choice in Wei and Garnett, do not know how to choose the wheel, because too many models, afraid to buy is not suitable, the cannon to fight mosquitoes or gun hit the elephant. Master, please advise: I have to play with the stem and black turtle. The effect can also make 3 blackfish yesterday

Q:Stem V type PTFE packing maximum pressure /?: The valve packing VTa is a normal cryogenic valve with a set of V type low leakage graphite packing!Valve stem: the valve stem is not only moving parts, force components, but also seals when the valve is opened and closed.

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:A pneumatic valve is running, if the spool and stem off, what will happen?: For the following reasons:A, spool, seat sealing surface wear seriously;B, valve, valve seat, see a foreign body stuck;

Q:DN>=50 valve, stem and bracket between the use of lubricated bearings, and stem exposed part should be dust-proof measures to prevent atmospheric corrosion. TwentyDoes it mean that all DN>=50 valves, valves and supports must be lubricated with bearings, or that only the bearings are used between the valve stem and the bearings?: Apply a thin layer of grease can be on the exposed parts of general use, mainly to prevent locking or switch between the valve stem packing for a long time due to friction is not in place, but also to lubrication and corrosion of the

Q:The role of valve stem in process gate valve: The valve stem is an important component of the process gate valve. It is used to drive, connect the actuating mechanism or the handle, and directly drive the spool to move or rotate, so as to realize the function of valve switching or regulating. Valve stem in the process of opening and closing of the valve, not only moving parts, stress components, but also seals.

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

2. Manufacturer Certificates
a) Certification Name
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3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage	81% - 90%
No.of Employees in Trade Department
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b)Factory Information
Factory Size:	1,000-3,000 square meters
No. of Production Lines
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range