Packaging & Delivery of Valve Stem
Packaging Details: wooden box
Delivery Detail: 35 days
Specifications of Valve Stem
Detailed Descriptions (Payment Terms/Shipment Terms/Lead time)
Low carbon steel,Alloy steel,Stainless Steel,cast iron,Ductile iron
CNC machining center, General milling machines. General lathes,
Punch machines, polish machines.
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100% inspection before shipment
T/T ,L/C, Paypal
According to customer requirements
According to customer requirements
- Q:What exactly is the stem nut, please
- The stem nut has a certain strength and resistance to pressure, because the stem nut is the valve running process, the stem shaft strength directly to the stem nut. The stem nut and stem are rotated with the thread, and the friction coefficient of the stem nut is smaller.
- Q:How about valve stem with 660?
- If the action is not very frequent, the condition is not very complex, harsh, it should still be possible. Heat treatment will be better
- Q:The stem is suitable for what kind of fishing
- The raft pole is stout and stiff, and the pole is straight and strong, even if it meets a big fish. High sense of raft pole rod is equivalent to the degree of float hand pole fishing carp fish mouth, from touch to any fish to eat bait hooks are clearly reflected in the rod tip, we also use a formal pole raft pole sensitive, easy to observe, and has the characteristics of rod body cast, as deep winter spring spring water carp fishing best weapon.
- Q:Shandong 30 loader multiple valve stem card what's wrong.
- You take the two main stem carefully removed, check the stem and valve bore cavity whether there is scratch, if there is a local scratch, it may be dirty stuck in it, and then pull the stem when it pulled. Scratches if deep, leakage will be large, repair will feel bucket slow, little force and so on. All components should be removed before washing, especially the safety valve. After the demolition, the whole body with kerosene cleaning, safety valve pressure should not be adjusted, or there is no test stand, you do not know the specific pressure is how big.
- Q:The ball valve in the valve is in what state is open
- The switch of the ball valve is 90 degrees angle (except the three pass) and the slot is limited.
- Q:What is the difference between the upper valve stem bearings of the thrust bearings?
- You say this is also good, but the efficiency is not high, because this method of loading is more correct, the next is the plane of the main pressure on the end surface, the upper one is axial, the main subject to the left and right. Do you think the operation of the valve is not like this?!
- Q:How is the diameter of the valve stem determined?
- In the valve manufacturing and production process standards, valve type, valve torque and valve stem diameter has a direct link.AskCan you say something about it, for example, the regulating valve?.Chasing the answerASME related standards, as well as GB GB standards relating to valve manufacturing.
- Q:What is the reason that the valve stem can not be rotated in the water supply pipe?
- Shut off for too long too much death will not open in the first.Just move it will be all right
- Q:I would like to ask you, now the ball valve is generally designed to prevent blowing out,
- The stem is put in from the middle. You can put it in a bit diagonally
- Q:Stem material
- 1, copper alloyGenerally selected grades are QA19-2, HPb59-1-1. Applicable to the nominal pressure is less than 1.6MPa, the temperature is less than or equal to 200 degrees of low pressure valve.2 carbon steelGenerally used A5, 35 steel, after nitriding treatment, applicable to the nominal pressure of less than 2.5MPa ammonia valve, water, steam and other medium low, medium pressure valve. A5 steel is suitable for valves with temperatures not exceeding 300 degrees; steel 35 is applicable to temperatures not exceeding 450 degrees. (Note: the actual route proves that the valve stem is made of carbon steel and can not solve the corrosion problem well and should be avoided
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.
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