threaded hub flange

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The most professional flange manufacturer.We offer steel pipes and pipe fittings with high quality and low price.


Product Description

carbon steel pipe flange

1.standard:ANSI, DIN, JIS, GB, GOST
2.size:1/2"-48"
3.class:150#-6000#
4.material:a105,a106,a234wpb

5.Material:Carbon Steel

Technics:WELDING

Type:Flange

 Packaging Details: in wooden case or pallet or according to customers requirement.



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Q:Why use special flange for butterfly valve?
Because the diameter of flange butterfly and butterfly valve is just DN inner diameter matched a slot in the back, and this is the connection of the steel pipe is inserted into the slot, so as to ensure the sealing effect, but with a flange piece of ordinary cannot guarantee the effective sealing effect.Butterfly valve plate installed in the direction of the diameter of the pipe. Butterfly valve structure is simple, small size, light weight. Consists of only a few components.
Q:What is the maximum pressure of the flanges RF and RTJ?
The use of with concave convex surface with tongue and groove face flange is basically the same. Ring groove sealing surface (RTJ) is mainly used in high temperature and high pressure or both high working conditions. In American Standard flange, commonly used in Class 600Lb (part) and 900Lb, 1500Lb, 2500Lb grade pressure. In the German standard and national standard, often used in PNl0.0, PN16.0, PN25.0, PN32.0, PN42.0MPa flanges.
Q:What's the difference between RF flange and RJ flange?
The difference between the RF flange and the RJ flange is that the seal is different.RF flanges are flat sealsRJ flange is steel ring seal
Q:WoW World Mission, where is the French die cutter?
First you go to the flange out from the portal. The past is Ireland, also ran for,Then you don't go down to the ground, go first to the pit, trigger the task, then you can find the litter in the range shown on the minimap, but the quantity and the density are not high, and you need to look for it patiently
Q:Dn is 250, Pn25 flange, what is the hole distance?
Flange center hole distance d1=370mmFlange diameter D=425Aperture 30Bolt M27
Q:How high is the flange flange?
You need to understand the flange protruding this piece is why, suddenly face RF, itself protruding surface it is used to put a car washer, water bursting on the surface, to seal gasket and better. Flange strength requirement is flange thickness of C, not protruding out of the thickness, too thick, coupled with the gasket, exposing a large gap, easy to rain or water rusty.
Q:What's the flange? What's it for?
Flange (Flange), also called flange or flange plate. The flange is the part that connects the pipe to the pipe and is connected to the end of the pipe. It is also used for the flange on the inlet and outlet of the equipment. It is used for the connection between the two devices, such as the reducer flange. Flange connection or flange connection, is defined by the flange, gasket and bolt connection between the three sealing structure of the detachable connection as a combination of group pipe flange refers to the pipeline installation of piping flange, used in equipment refers to equipment import and export flange. The flange is lined with bolts to secure the two flanges. Gaskets for gaskets between flanges. Sub threaded flange connection (threaded connection) flange and welding flange and flange clamp.
Q:Hole is a through hole on the flange surface?
The flange is lined with bolts to secure the two flanges. Gaskets for gaskets between flanges. Flange, threaded connection (wire), flange and welding flange.Flange connecting has threaded hole, also is not uniform in the same circumference, mainly to see the effect, whether for connection;
Q:Flange valve Q41F-16C/P/R mark, specific meaning?
This is standard regulation, according to "JB/T 308 - 2004 valve type programming method" regulation:Q= ball valve4= connection type: flange1= structure: floating ball direct flow channelF= sealing surface material: fluoroplastic-16= nominal pressure: 1.6MPaC= body material: carbon steelP= body material: chrome nickel stainless steel, such as: 304R= body material: chromium, nickel, molybdenum stainless steel, such as: 316
Q:SB 1379-NP15 which flange standard is the flange diameter, pitch, thickness, screw hole number and diameter?
Several systems of international standards for pipe flanges1, flange connection or flange connection, is defined by the flange, gasket and bolt three are connected as a group of combined sealing structure can be folded connecting pipe flange refers to the pipeline installation of piping flange, used in equipment refers to equipment import and export flange.

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