Alloy Steel Gate Valve Stem

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100 Pieces pc

Supply Capability:: 5000 Pieces Per Month pc/month

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Packaging & Delivery
Packaging Details: By plywood cases or steel crates as per customer's requirements.
Delivery Detail: 3~5 weeks,mainly due to customer's requirements

Specifications of Alloy Steel Gate Valve Stem

1.Material: Alloy Steel, Stainless Steel

2.Machined from round bar

3.NDT Test

4.ISO9001:2008

Alloy Steel Gate Valve Stem
Material: Alloy Steel, Stainless Steel

Machined from round bar by NC Machine or CNC

Checked by Go & No go gage

NDT Test can be made

Surface be polished

1.We cast and machine stems of different sizes and types.

2.The materials include stainless steel, alloy steel and others.

3.They are machined by CNC and checked by GO& No go gage.

4.Moly spray can be made as per customer’s requirements.

5.All the products are made according to ISO9001:2000.

6.Small orders and special design is accepted.

7.NDT Test can be made before packing.

Q: How to set the valve stem diameter: Check the standard, there will be the corresponding pressure, diameter of the smallest diameter of the stem, such as gate valve is GB/T12234-2005, sorry ah, I do not have information on the ball valve, you go to check

Q: Why do the stem and the valve use movable connections?: 1., the valve and valve body hole seal, you can customize the center

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: 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's the difference? Will it break? If the technology is good, will it be broken with the stem? I haven't opened the valve yet. Can I catch it in the daytime with the string hook? I used the bells!! Ask God for us!!: This is not played, dare not assert! Downstairs continue! : handshake

Q: How about valve stem with 660?: The commonly used material is 1Cr13, or 2Cr13.

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: and the valve core hole is provided with a guide hole and a valve stem to match. How to ensure the concentricity and convenient disassembly and assembly: 1, the concentricity of the valve stem and valve stem can only be ensured by the guide hole. The function of the thread is only fixed. So the surface and size precision of the 12 guide hole is very important, in the end of 4 the end of wire and drill hole with reamer reaming to ensure accuracy to.2, the coordination of the guide hole can only be used with clearance clearance with higher accuracy.3, good for 4 holes weaken the bearing capacity of shaft, locking with the cone end set screw.4, the thread of the drawing did not draw thread, the suspension line needs to be filled. Do not use M12 for thread. Use M105, the stem should be milled out of a flat, easy wrench wrench stem

Q: What do you pay attention to in winter?: Two, fishing configurationIt is recommended that each fishing usually 1.8 meters, 2.1 meters, two rafts pole, too busy to come, when you encounter a shoal of fish, you can only take care of a raft pole.Generally, the wheel wheel is of smaller size (type 2000 or 2500), wide groove and multi axle wheels. The outlet is smooth and the wheel is light.The main line of general use of line 2, can not exceed 2 lines, otherwise affect sensitivity, the line used 1 is enough.By 4 - 5, red hook barb.Facts have proved that this combination as long as the wheel discharge force is set properly, fishing for 10 pounds of large carp do not have a problem.Note that the line does not exceed the line 1, this is very important, the smaller the better, easy to attract carp.It was observed that the rate of fish out of line 2 was nearly 50% compared with that of line 1. Also, choose tea is the reason for the hook inhalation of crucian carp. Because the tea is a thin hook hook, the hook body is light to carp bait; two is the hook is easy to deform under the action of external force, is also likely to pull the hook hanging bottom deformation pulled out, the hook bend back does not affect the use, thus reducing the risk of breakage to the end. Don't worry about the shape of the hook. Just walk the fish properly. Fishing for less than 10 pounds, absolutely no problem. Once fishing with 5 tea fishing out nearly 10 pounds of carp, the hook is still good.Tied string hook, generally three can be, and more useless. Some people tried to tie 7 hooks of string hook, more than a meter long, but usually the following two hooks in the fish. Between the hook and hook about 15 cm, the line length of about 10 cm, so as to reduce the hook and hook between the winding. Lead I generally use 15 - 20 grams of flat heart pendant, in order to reduce the chance of hanging at the end of the.

Q: What is the material of valve stem F6A?: The valve stem F6A corresponds to the national standard 1Cr12 or 1Cr13.Stainless steel 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.

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
Range
Reference
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