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RTJ, SRF Face High Pressure Flange, Pipe Flanges

RTJ, SRF Face High Pressure Flange, Pipe Flanges

    Min. Order: 10 Piece/Pieces
    Transportation: Ocean,Land,Air,Express
    Place of Origin: China
    Port: China Sea-port,Railway station,Airport

Product Description

RTJ, SRF Face High Pressure Flange, Pipe Flanges

High pressure flange is a kind of pipe fitting used at the turning of high-pressure pipeline. Generally, the wall thickness of high-pressure flange is thicker than that of ordinary elbow, or the high-pressure strength of material is higher than that of ordinary elbow. High pressure flange is generally used in oil transmission pipeline, liquefied gas pipeline, etc.

High pressure flange is used to connect two pipes with the same nominal diameter to make the pipeline turn 90 degrees.

It has the following categories:

According to the manufacturing standard, it can be divided into national standard, electric standard, water standard, American Standard, German standard, Japanese standard, Russian standard, etc.

According to the material, carbon steel, cast steel, alloy steel, copper, Aluminum alloy, stainless steel, plastic, argon leaching, PPC, etc.


Application and characteristics of high pressure flange
High pressure flange is mainly used in pipeline installation. High pressure flange connection is an important connection mode in pipeline construction. It mainly connects the connection between pipes and plays an important role and value. High pressure flange connection is to fix two pipes, pipe fittings or equipment on a flange respectively, add flange pads between the two flanges, and fasten them together with bolts to complete the connection. Some pipe fittings and equipment have their own flanges, which also belong to flange connection.

High pressure flange product performance
1. Wear resistance: the content of Al2O3 in the inner ceramic layer of ceramic composite steel pipe is more than 95%, and the microhardness is hv1000-1500, so it has extremely high wear resistance. Its wear resistance is more than ten times higher than that of quenched medium carbon steel, which is better than tungsten drill cemented carbide.

2. Corrosion resistant ceramics are neutral materials with stable chemical properties, excellent corrosion resistance and acid resistance. They can resist various inorganic acids, organic acids and organic solvents. Their corrosion resistance is more than ten times that of stainless steel.

High pressure flange material
Carbon steel: ASTM a105,20#, Q235, 16Mn, ASTM A350, LF1, LF2, CL1 / Cl2, LF3, CL1 / Cl2, ASTM a694, F42, F46, F48, F50, f52, f56, F60, F65, F70

Stainless steel: ASTM A182 f304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8;

Alloy steel: ASTM A182 F1, f5a, F9, F11, F12, F22, F91, a182f12, a182f11, 16MnR, Cr5Mo

Imported materials: [1] (nickel steel), wc5 (1.25% chromium, 0.5% molybdenum steel), wc9 (2.25% chromium), C5 (5% chromium% molybdenum), C12 (9% chromium, 1% molybdenum), ca6nm (4 (12% chromium steel), CA15 (4) (12% chromium), CF8M (316 stainless steel), cf8c (347 stainless steel), CF8 (304 stainless steel), CF3 (304L stainless steel), cf3m (316L stainless steel), cn7m (alloy steel), m35-1 (Monel), n7m (Hastelloy b) Cw6m (hasta nickel alloy C), cy40 (Inconel).


Flanges include: forged steel flanges of carbon steel, alloy steel, low-temperature steel, stainless steel, dual phase steel and nickel base alloy, steel forgings for various boilers and pressure vessels, as well as various machinery and ship forgings.

Flange plates include plate flat welding flange, butt welding flange, neck flat welding flange, neck butt welding flange, loose sleeve flange, large mechanical flange, pressure vessel flange, socket flange, screw flange, flange cover, spectacle blind plate, pipe plate, plug, manhole, wind power flange, pipe flange and CNC precision flange.


Our partners specialize in flanges including the standards - ANSI; DIN; BS; UNI; JIS; SABS1000/3, also the custom design. It owns forging and casting factory which is well-equipped, and has a severe system for the quality control, which covers every process of the manufacturing ( raw material inspection, cutting, heating, gorging, heat treatment, machining, drilling, marking, washing, final inspection, packing, delivery).

We can provide the flanges(Forged Flange,Carbon Steel Flange, Weld Neck Flange, Slip on Flange, Blind Flange, Plate Flange, Threaded Flange, Non-Standard Flange, Socket Weld Flange) with the DN15mm-DN1500mm in the professional level and our main products include PL,SO,WN,BLD.in standards - ANSI; DIN; BS: UNI; JIS; SABS1000/3. Furthermore, we do custom design as well.

Henan Youlong Petroleum Engineering Technology Co.,Ltd

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Henan Youlong petroleum Engineering Technology Co.,Ltd., Located in the beautiful petroleum city - Puyang City in the zhongyuan oil filed located, is a production research and development enterprise with product research and development organizations and perfect service teams, mainly engaged in the management, research and development of petroleum drilling and well repair equipment, special oilfield equipment, oil extraction equipment, wellhead and down hole tools, and the provision of petroleum engineering design schemes and petroleum engineering technical services.

And also our Leading groups mainly engaged in oil and gas industry nearly more than 40 years.

Our main products and Service are as following:

* Oilfield equipment production and supply : Cementing and Fracturing Equipment, Gate Valve and wellhead Christmas Tree, Plunger Pumps and Mud Pumps, Flow line Products, Solid Control Equipment, Drilling Rigs and Work over Rigs Matching Equipment etc.

* Engineering & workers supply to oilfield site.

* With Professional Teams experienced in the maintenance of drilling machinery,TDS,SCR equipment, we can undertake pumping unit oil well on-site management services.Long-term supply accessories of drilling rigs,work over rigs,mud pump and beam pumping unit, and distribute drill pipe, drill collar, casing, tubing, special drill pipe sub etc...


If you are interested in our Company or products, Please feel free contact us!


Thank you for stopping here!

Introduction Pic

Company Info

  • Company Name: Henan Youlong Petroleum Engineering Technology Co.,Ltd
  • Representative: Tian Zongfeng
  • Product/Service: Cementing and Fracturing Equipment , Gate Valve and wellhead Christmas Tree , Plunger Pumps and Mud Pumps , Flowline Products , Solid Control Equipment , Drilling Rigs and Workover Rigs Matching Equipment
  • Capital (Million US $): 6000000RMB
  • Year Established: 2019
  • Total Annual Sales Volume (Million US $): US$5 Million - US$10 Million
  • Export Percentage: 61% - 70%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 200
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 41, Zhongyuan West Road,Puyang,Henan,China
  • Contact Person: Mr. Jason
  • Tel: +86-393-8417400
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