• Welded Neck Flange System 1
Welded Neck Flange

Welded Neck Flange

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
50 Tons m.t.
Supply Capability:
5000 Tons per Year m.t./month

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Detailed Product Description

material for carbon steel, stainless steel and alloy steel, such as ASTM A105, A182, A350, A694, ST35.8, ST45.8, ST37.2, C22.8,

The production base total area is about 82,300 square meters.The annual production capacity is more than 9000 tons, with fine processing technology and advanced detection means.

 

The company has passed Rhine, Germany(TüV) ISO9001 quality management system certification , European pressure equipment  and materials PED97/23/EC certification and German pressure equipment  and  materials AD2000-WO certification. It has also passed the pressure pipe components manufacturing safety registered certification of the State Quality Inspection Administration and classification societies certified .So a more effective guarantee is provided for the quality of the products.It has become the one of the enterprises  firstly through the certification in the industry.It plays an important leading role in the industry.

 

The high-quality products are widely used in petroleum, chemical, metallurgy, electric power, ship, natural gas , pipeline industries and so on.It has won the users good evaluation.At the same time,the products are exported to Europe and the United States, the Middle East, Africa and South-East Asia regions and other countries.

 

Q: What's the outer diameter of the DN100 standard flange, please? Galvanized pipe with DN100
There is a pressure level and a standard system:HG20592-97's pressure levels are as follows0.25MPa, 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa2102102202202354.0MPa, 6.3MPa, 10MPa, 16MPa, 25MPa235250265265300
Q: Not steel flanges, plastic, PVC
GB/T (13663.2-2005) polyethylene (PE) piping systems for water supply - Part second: fittingsHG20539-92 reinforced polypropylene (FRPP) pipes and fittingsGB15558.2 - 1995 buried PE pipe for gasGB/T10002.2 unplasticized polyvinyl chloride pipe fittings for water supplyGB/T10002.1 unplasticized polyvinyl chloride (PVC-U) pipe for water supply
Q: What's the advantage of flange bolts?
Is it possible to tighten more? The ordinary bolt head is very thick and difficult to deform. If it vibrates, it needs to be screwed again. A thin part of the flange can be slightly deformed, so that it can be locked stronger. If there is time to go to the hole, there is no way to use the tools of ordinary bolt, bolt head is small, the flange also plays the fastening function, it can be used on the special tool to the hole, and the inner six angle bolt principle about the same. Then there is flange flat pad to use, in the soft, non wear-resistant material more secure, will not cause perforation. These are personal guesses for reference only.
Q: How much is the flange 800Ib equal to MPa? How is it converted?
Concept error, 800LB is the flange pressure grade, not to say that the flange can withstand the pressure of 800lb. To know the use of flange pressure, flange must be combined with the material, the use of temperature to check the flange standards, in order to find the maximum working pressureYou can check HG/T 205922009
Q: What is the difference between the HG/T20615-2009 flange standard and the ASME B16.5 flange standard?
The size of HG/T20615-2009 and the ASME basic B16.5 agreement, is China standard in American Standard standard, and ASME is also the basic material.
Q: Must the flange height go along with the standard?
This is certain, everyone valve is standard, and if you flange is not standard, how to bolt holes on the valve ah?
Q: What is the flange made of?
There are iron, plastic, and stainless steel
Q: May I ask the prawns to help me explain, "coupler" and "flange" mean the same thing, if not, what's the difference between them? Forget everyone, pointing out!!
Yes, we often say "flange" is used for optical fiber, connecting the "coupler""
Q: One of them is not protected and damaged when it is welded. Is this acceptable? What are the unacceptable criteria?
Acceptable. When installed, the sealing pad does not affect the use
Q: What does flange WN80 (B) -40M mean?
WN represents the flange type "neck flange"; 80 represents the nominal diameter is 80mm; (B) on behalf of the flange and pipe welding end diameter is B series (domestic use series, 89mm), representing 40 of the nominal pressure is 40bar; M represents the sealing surface is convex.
Our company has strong professional technical force, rich experience, integrated data and advanced equipment, as well as high-quality forging, machine-processing, assembling and packing production lines. Our product quality is in full compliance with both national and international standards, and we have obtained the ISO9001-2000 quality certification. Warmly welcome all to come to visit, investigate and negotiate business.

1. Manufacturer Overview

Location Shandong,China
Year Established 2008
Annual Output Value
Main Markets North America
South America
Eastern Europe
Southeast Asia
Africa
Oceania
Mid East
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
Company Certifications ISO9001:2008

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port qingda
Export Percentage 81% - 90%
No.of Employees in Trade Department
Language Spoken: English, Chinese
b) Factory Information
Factory Size: 10,000-30,000 square meters
No. of Production Lines 10
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range Low and/or Average

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