PN20 Brass Gate Valve
Popular design with good performance, 100% leakage test for each valve
ART.N10131001
ART.N10131001
Description
Reviews
Brass gate valve N10131001 is classical two way gate valve, PN20 rated pressure is suitable for water, oil. with cast-iron hand-wheel which is solid and stand for long durability. The standard bore size design allows better flow to reduce cavitation and pressure drop. 100% leakage test for each brass gate valve ensures reliable quality.
Parameters:
• Sizes: 1/2" to 4" (DN15 to DN100)
• Working pressure: PN20 / 250WOG
• Working temperature: -10 to 120℃
• Standard bore design
• Sandblasted and rough valve body
• Cast iron hand-wheel
• BSP or NPT T?hreads available
• Customized production acceptable
• Materials: CW617N, HPb57-3, C37700, DZR
Features:
• 100% leakage test for each valve
• Anti-blow-out stem design
• Suitable for a full range of liquids
• Easy and swift to open and close
• Flow can go either direction
What is PN20 brass gate valve
PN20 brass gate valves, also called brass disc valves, are valves in which the closing valve disc moves in the vertical direction along the center line of the passage, used to turn the media on or off. The gate valve composes of brass valve body and cap, disc, stem and nuts.
Applications of PN20 brass gate valves
PN20 brass gate valve is applicable for water, oil, gas, steam, etc., can be used for mechanical equipment, chemical equipment, general parts, industrial equipment, water supply and drainage equipment, paper making equipment, pharmaceutical equipment, general equipment, petrochemical equipment, power equipment, metallurgical powder equipment, mining equipment, municipal, electronic industry, etc.
How to select PN20 brass gate valves
Choosing a professional and reliable brass gate valve manufacturer can ensure that it has high-end production and processing levels and design techniques, especially in terms of production products, which will be better protected, and brass gate valves of various specifications and models can be better. The use effect of, meet the specific needs of the actual application environment.
How to install PN20 brass gate valves
Clean the threads of pipe and PN20 brass gate valve before installing, wrap the PTFE pipe to the threads, use a spanner to tighten the connect, till it firmly connected without leaking.
Chemical compositions for PN20 brass gate valves
The PN20 brass gate valves are made with brass CW614N and CW617N for Europe. CW614 PN20 brass gate valve is popularly used because of similar compositions and lower costs, suitable for those applications without much environmental requirements. CW617 PN20 brass gate valve brass has better physical property to stand higher working pressure and temperature, more importantly the Pb percentage share is less than 2.5% and applicable for drinking water systems.
Surface treatments of PN20 brass gate valves
Surface treatments PN20 brass gate valves are most sandblasted and rough brass color.
We can also nickel-plating or chrome-plating as per customer requirements.
How we produce PN20 brass gate valves
1. Product design
2. Mold making
3. Valve casting and forging：
(1) Foundry casting: the earliest production mode in the valve field, because the casting method does not have enough pressure, the valves produced by this process are prone to blisters, which can cause product leakage. Series of questions.
(2) Hot forging: The valve body formed by forging will not have tracheotomy, and the appearance will be more exquisite.
4. Sand throwing treatment
5. Metalworking
6. Accessories assembly
7. Product pressure test
8. Packaging and sealing
How we pack PN20 brass gate valves
PN20 brass gate valves are packed in small inner boxes, then put into outer cartons, finally load in wooden pallets.
We also pack as per customers' OEM designs of PN20 brass gate valves.
How we test PN20 brass gate valves
Strength performance
The strength performance of the PN20 brass gate valve refers to the ability of the PN20 brass gate valve to withstand the pressure of the medium. PN20 brass gate valve is a mechanical product that bears internal pressure, so it must have sufficient strength and rigidity to ensure long-term use without cracking or deformation.
Sealing performance
The sealing performance of the PN20 brass gate valve refers to the ability of each sealing part of the brass gate valve to prevent the leakage of the medium. It is the most important technical performance index of the PN20 brass gate valve. There are three sealing positions of the PN20 brass gate valve: the contact between the opening and closing parts and the two sealing surfaces of the valve seat; the matching place between the packing and the valve stem and the stuffing box; the connection between the valve body and the bonnet. The former leakage is called internal leakage, which is commonly referred to as lax closure, which will affect the ability of the PN20 brass gate valve to cut off the medium.
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