STEEL BALL VALVE ASTM, NACE, ASME, and API standards..

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Specifications

1. ASTM, NACE, ASME, and API standards..

 

                                                                             The Discription of Ball Valve

 

Product Description

  

 

  • Technical Specification

 

Design standardAPI Spec 6D 6A
Pressure and temperature ratingASME B16.34
Face-to-face and end-to-end dimensionsAPI 6D ASME B16.10
Material specificationASTM A105, LF2, F316, F316L, F304, F50, F51, 1040
4140, 410, 17-4PH, INCONEL, MONEL….
NACE-MR-0175
Flanged ends standaredASME B16.5, ASME B16.47, MSS SP-44
Welding ends standardASME B31.4, ASME B16.25
Pressure testingAPI 6D, API 598, BS 6755
Toughness testingASTM A370
Fire testingAPI 607
Anti-static deviceBS 5351
MTASME B16.34, ASTM A275
PTASME B16.34, ASTM E165
UTASME B16.34, ASTM A388
Nominal SizesNPS 12 Reduced Bore
Pressure Class600LB
ConstructionTrunnion Mounted


  • Design Standard

  1. ASTM, NACE, ASME, and API standards;

  2. Satisfying the strict requirements of petroleum refineries, chemical processing plants, power-generating plants, pulp and paper, food processing, mining and other critical applications.

  • Quality Control

  1. Our comprehensive evaluation includes on-site audits, inspection at the source, receiving inspections, and destructive material testing.

  2. The ongoing process, led by our in-house metallurgist and QA/QC team, ensures that CMEC Valve is manufactured to the highest industry standards.

Workshop

  1. More than 20 years experience

  2. 40 sets of advancing CNC drilling and milling machine, 15 sets of machining center, 5 sets of CNC grinding machine and 3 sets of automatic welding machine.

  3. Highest accuracy and low emission.

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Q:What type of steel pipe dance is used in general?
According to international competition practice, the standard size of steel tube is 40 mm or 45 mm in diameter, and the 45mm is usually used. The height of the steel pipe is not less than 3.3 meters and not higher than 4 meters.
Q:Seamless steel pipe is how to do it?
Round tube has some limitations, such as in the plane bending conditions, the tube is better than square and rectangular tube bending strength, and some agricultural machinery skeleton, steel, wood furniture, commonly used square, rectangular tube. According to different purposes, other sections of special-shaped steel pipe are needed.
Q:The difference between 12Cr1MoVG alloy steel tube and 15CrMo
15CrMo is a steel Pearlite Heat-resistant steel, has high heat resistance at high temperature (b = 440MPa) and antioxidant activity, and has certain ability of anti hydrogen corrosion. Because of the high content of Cr, C and other alloy elements in steel, the tendency of hardening of steel is obvious, and the weldability is poor.
Q:Heating system DN40 and DN32 welded steel pipe how to connect?
Is the wire: also called pipe thread connection, the malleable steel pipe fittings, malleable iron is the thread connection using DN40X32 diameter hoop.
Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
In general, steel is divided into two groups according to their chemical composition: carbon steel and alloy steel;(1): carbon steel low carbon steel (C = 0.25%); carbon steel (0.25% < C < 0.60%); high carbon steel (C = 0.60%)(2): alloy steel, low alloy steel (alloy is less than or equal to 5%); in steel (5% < < 10% alloy; high alloy steel (alloy) = 10%)Carbon seamless steel tubes are mostly pipes for mechanical engineering structures and pipes for conveying fluids.
Q:What's wrong with the 3PP anticorrosive steel tube?
Most of the large pipes in our country use 3PE coating, and 3PP and 3PE coating belong to multilayer coating system. It consists of epoxy powder, intermediate layer adhesive and outer layer of PP (polypropylene) jacket.
Q:What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?
Classification is not the only way, fastener type steel pipe scaffolding is divided by force, and the latter 2 are classified according to the structure.
Q:What are low-pressure carbon steel tubes?
Any of various steels that contain less than 2.11% of the mass of carbon but contain no alloying elements. Sometimes referred to as plain carbon steel or carbon steel.Carbon steel, in addition to carbon, usually contains a small amount of silicon, manganese, sulfur and phosphorus.1) according to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy to cut structural steel three categories, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two kinds;(2) by refining methods can be divided into open hearth steel, converter steel;(3) according to deoxidization methods, they can be divided into boiling steel (F), killed steel (Z), semi killed steel (b) and special killed steel (TZ);(4) according to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), carbon steel (WC0.25% - 0.6%) and high carbon steel (WC>0.6%);(5) according to the quality of steel, carbon steel can be divided into ordinary carbon steel (phosphorus, sulfur, higher), high quality carbon steel (low phosphorus and sulfur) and high quality steel (lower phosphorus and sulfur) and super quality steel.Description: the carbon content in general carbon steel is higher, the hardness is higher, the strength is higher, but the plasticity is lower.
Q:Is hot dipped plastic pipe steel?
Hot dip plastic composite pipes used in coal mine gas drainage, ventilation system, fire water system, central air conditioning HVAC piping circulating water, industrial water supply and drainage, water supply and drainage life, conveying gas and other gases, power threading, chemical pipelines and water disposal pipe etc..
Q:When can I use the PVC pipe and when to use the galvanized pipe?
PVC pipeline use temperature is -5 to 90 degrees or so, according to the current market price of around 6000 yuan per ton, the price is cheap. Its corrosion resistance is good, can resist most of the acid and alkali, and unlike the steel pipe that is easy to rust, so in the construction of the upper and lower water pipes and other fields have gradually replaced the trend of steel pipe.

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