Casting Valves Stem

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100 Pieces pc
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100 Tons Per Month pc/month

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Product Description:

‍Packaging & Delivery of Casting Valves Stem

Packaging Details: wooden box or according to customers' requirements
Delivery Detail: according to ordered quantity



1.Casting valves stem


2.Process: lost wax casting

3.10 years of production experience

4.The factory price


Description of Casting Valves Stem:
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:Pneumatic diaphragm control valve
Not necessarily, depending on the structural characteristics of the valve. In the case of constant pressure difference between the two ends of the valve, if the valve is quick to open, the flow is greater than 50%;
Q:How to judge the quality of fishing stem?!
The regular brand fishing line, mellow, soft texture, good surface smoothness, high strength, good wear resistance nodules. At present, the market of various brands of fishing, whether mixed together.
Q:Ask you about the valve
I just got a treasure of the first sales of staff today, Shandong from Weifang, set 70 yuan, the line of what ah, all together. In 2. Still guard, eat a meal out of the box.2 1 meter 82000 wheels, wheel line 1.5, line 1, line 0.8 or 0.6 10~20, Tuo Ke. Want to use red No. 2 hook.
Q:Valve handwheel can move, stem does not move what is the matter?
Handwheel and stem out of line, suggest replacing new wheel
Q:What is the reason for the leaking of the stem of the open rod gate valve? How to solve?
Perhaps the spool is broken, you go to the building materials market to buy a spool of the same type, you ask the merchant, they know what to give you.After returning home, turn the old spool off and change itIf you do not sell the spool alone, you buy a complete valve, back to the spool down, on the line.If it is that kind of pure plastic valve, then I'm sorry, I can only see the pipe and change the valve.
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: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.
Q:What do you pay attention to in winter?
Four, several kinds of rods in the middle of the fish1, the first pole slightly trembling, and then a large row of jitter, such actions are rarely run fish, fish in the rate of more than 95%.2, if the rod tip bent, immediately on the loop, which is the performance of large carp bait, do not miss, in this case, the fish rate is also above 90%.3, sometimes the weather is extremely cold, carp eat light, the raft pole characterized by a powerful bending moment, but the magnitude is very small, then timely lifting pole have fish.4, sometimes small fish hook, only sporadic intermittent jitter, fishing friends to separate true mouth and false mouth, which requires a long time of experience accumulation.5, there is wind blow and fish hook action to distinguish. The wind blows with regularity and rhythm, but the rod tip is bent without power.Five, funny fish methodRaft fishing and hand fishing, all need to make fish. When the raft is thrown into the water for more than 5 minutes, it's time to think about the fish. Take a beating rod, or play the stretch line, let red "jump", stimulate the enthusiasm of the carp eat the bait, and the wheel shake loose a few laps down, often at this time will come one, and are often big carp.
Q:How to catch carp reservoir spring stem
Fishing for carp generally HaiGan, large float and special silver carp hook fishing float, at a depth of 1.5 meters.
Q:How is the hand (knob) of the hand operated ball valve connected to the valve stem?
Cube column, hand wrench, that is, if you slip out, then point pressure
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