Weld Neck Plate Flange

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China Main Port
Payment Terms:
TT or LC
Min Order Qty:
1 Ton m.t.
Supply Capability:
800 Tons per Month m.t./month

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Product Description:

Detailed Product Description

size:DN15 to DN2000

Material: carbon & stainless steel

CLASS: 150,300,600,900,1500

Sizes: DN15 to DN2000, 1/2 inch to 78 inch

Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092,UNI,GOST12820-80

Types: plate, slip on, welding neck, blind, thread, socket weld flange

Process: free forging, plate cutting, heat treat, machining

Surface Treat: Anti-rust Oil, Paint, Zinc, Hot dipped Galvanized

Packing: plywood cases and pallets or as per customers' requirements

Supply Capacity: 20,000 tons per year

Delivery: usually within one month after receiving the formal order

Inspection: factory in-house self check or Third Party inspection

Carbon Steel:A105,SS400,SF440,RST37.2,S235,C22.8

Stainless Steel:F304,F304L,F316,F316L,316Ti and etc

We can also make flanges according customer’s drawings.

Sincerely welcome your valuable words, please don't hesitate to contact me for flange price.


1.DIN carbon steel flangesMaterial:Rst37.2,St37.2,C22.8)DIN2573 PN6;DIN2576 PN10,DIN2502 PN16,DIN2503 PN25 ,PN40,DIN2566 PN10&PN16,DIN2631 PN6,DIN2632 PN10.DIN2633 PN16,DIN2634 PN25,DIN2635 PN40,DIN2636 PN64,DIN2637 PN100,DIN2638 PN160,

2.ANSI standard Flange,(Material A105,Q235)150LB,300LB,400LB,600LB,900LB,1500LB,2500LB WNRF,WNFF,SORF,SOFF,THRF,SWRF,LJRF flanges

3.JISflanges(SS400,SF440A)5K,10K,16K,20K,30K,40KSOPFF,SOPRF,SOHFF, SOHRF,BLFF,BLRF,WNRF,WNFF flanges

4.Italyflanges(MaterialRst37.2,S235JRG2,A105)UNI2276,UNI2277,UNI2278, UNI6084,UNI6089,UNI6090,UNI2544,UNI2282,UNI6090,UNI6091,UNI6092,UNI6093 flanges

5.EN1092 PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160;TYPE01,TYPE02,TYPE05,TYPE12,TYPE13 Flanges

6.BS4505,GOST 12820-80,12821-80 flangesTABLE D,TABLE E,TABLE H flanges

All the sizes are from 1/2(DN15) to 48(DN1200)

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Q:RF what's the flange of LF?
LF is a plane hubbed flangeRF is a convex hubbed flange
Q:What is lined with PTFE stainless steel flanges?
Polytetrafluoroethylene, which has the properties of acid resistance, alkali resistance and various organic solvents, is almost insoluble in all solvents. At the same time, PTFE has the characteristics of high temperature resistance, the friction coefficient is very low, so it can be used as lubricant remaining, also became the ideal coating and the inner pipe easy to clean wok.Because of the special environment will cause corrosion to the metal, so through the sintering process such as flange lining the material. This is lined with PTFE flange
Q:What are flanges, ID and PCD?
ID refers to the inside diameterOD refers to the outside diameterPCD finger spacingPlus the number of holes and thickness (T)These parameters are the basic parameters of the flange, but also the key parameters.You'll be able to determine the flange by knowing these parameters.
Q:What are the technical requirements for flanges?
Blackening, quenching and tempering
Q:76X6 seamless steel tubes with large flanges?
DN65 to see the pressure of low pressure plate welding flange PL or SO hard flat high voltage WN butt welding is resistant to corrosion or if it can wear SO
Q:What is a blind plate unit? Is it the same as the flange?
This is not a problem, the same sealing surface matching flange can be said to be a pair, can also be said to be a piece of two, flange cover (blind plate), according to pieces that standard. Moreover, the names of some trades are different from those of different trades. According to the standards of their respective trades.
Q:What do you mean by flange specification 10K?
This is a JIS standard, that is, a Japanese standard. Domestically, it is a ship's standard pressure indication. "10K" means "PN1.0MPA".
Q:What's the flange pressure gauge?
Flange pressure gauges are often asked, there are 2 kinds of statements:1. Refer to the axial belt pressure gauge as the flange pressure gauge because the table is provided with flange flanges;2. Flange diaphragm pressure gauge;I don't know what clock flange pressure meter you are talking about.
Q:What do DN and PN stand for on the flange?
The nominal DN identifier;PN identifier for nominal pressure.
Q:What's the flange on the sprocket?
The flange on the chain wheel is the leading role of the chain wheel, and the flange is convenient for the disassembly and assembly of the chain wheel:Flanges, flanges, flanges, or flanges. A flange is a part that is connected between the pipe and the pipe, used for the connection between the ends of the pipe. It is also used for the flange on the entrance and exit of the equipment. It is used for the connection between the two devices, such as the reducer flange. Flange connection or flange joint means that the flange, the shim and the bolt are mutually connected as a group of three detachable sealing structures. Pipe flanges are flanges used for piping in pipe installations. They are used on equipment and refer to the entrance and exit flanges of the equipment. The flange is lined with bolts to secure the two flanges. Gaskets for gaskets between flanges. Sub threaded flange connection (threaded connection), flange welding flange and flange clamp. Flanges are used in pairs. Low pressure pipes can be made of wire flanges and welded flanges with pressures of more than four kilograms. Add a gasket between the two flanges and secure with bolts. Different pressure flange thickness is different, they use the bolt is also different. Water pump and valve, and in the pipe connection, these equipment parts of the equipment also made corresponding flange shape, also known as flange connection. Any connecting parts that are bolted and closed in the vicinity of the two planes are generally referred to as flanges, such as the connections of the ventilation ducts, which can be called flanges". However, this connection is only part of a device, such as flanges and pumps connected, it is not good to call the water pump flange parts". Relatively small, such as valves, can be called flanges".
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
Mid East
Eastern Asia
Western Europe
Central America
Northern Europe
Southern Europe
Company Certifications ISO9001:2008

2. Manufacturer Certificates

a) Certification Name  
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