ALLOY STEEL BUTTERFLY VALVE DN25-DN1200 BG290

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Shanghai
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1 pc
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10000 pc/month

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Product Description:

Specifications

Long service life, standing the test of tens thousands opening/closing operations

Butterfly Valve

 

 

Packing & Delivery:

 

Packing: plywood box or according to specific customer needing .

 

              suitable for long-time sea shipment

 

Delivery: within 15-30days after receipt of at sight L/C or 30% as advance payment by T/T

 

 

 

Materials:

 

Body: aluminum, cast iron, ductile iron, carbon steel, stainless steel

 

Disc: cast iron, ductile iron, carbon steel , stainless steel

 

Stem: carbon steel, stainless steel

 

Seat: EPDM, PTFE, NBR

 

 

 

Specifications

 

Size: DN25-1200 (1”-48”)

 

Pressure: PN10/16( 150/200 PSI)

 

Actuator: handle/gear box /pneumatic /electric

 

Standard: API, ASTM, ANSI , DIN, BS, JIS ,ISO approved

 

End connection: wafer type, flange type, lug type

 

 

 

Features:

 

1.Unique stem hole design in the disc ensures a dry stem journal;

 

2.360 degree polished disc assures positive on-off;

 

3.Long service life, standing the test of tens thousands opening/closing operations;

 

4.Bubbles-tight sealing with no leakage under the pressure test;

 

5.Wide selection of materials , applicable to various medium

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Q:What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?
DN (nominal diameter) 250 is generally the industry said 273, welded steel pipe (spiral steel pipe) thickness is generally between 6-8mm, more common.
Q:What material is RHS in the steel tube?
RHS is a rectangular hollow section steel. The RHS structure represents a rectangular hollow section steel.
Q:How to distinguish seamless pipe and welded pipe?
Most of the welded pipe is six meters, the pipe has obvious welding marks, and seamless pipe wall without welding marks
Q:Seamless steel pipe and welded pipe what is the difference?
The welded pipe is made directly from the stainless steel band by machine, and it is made of round steel or perforated by Guan Pi
Q:Is steel pipe made of profiles?
Large steel: large steel, I-beam, channel steel, angle steel and flat steel are hot rolled, round bar, Fang Gang, six angle iron in addition to hot rolling, there are forging, cold drawn and so on.
Q:Is there a weld on the outer wall of seamless steel tube?
As you have said this, you have to fake goods is seamless, commonly known as to seamless steel pipe, seamless steel pipe is welded pipe weld reinforcement, and then go inside and outside the weld is worn away, and then burn side is that you say is that, after you can see the wall friction of a weld, is not too obvious. Like a polished, but no wall bulge, can not see the seam,
Q:What's the difference between steel pipe and pipe fittings?
Pipe classification: steel pipe seamless steel pipe and welded steel pipe (tube) two categories. It can be divided into round tube and special-shaped tube according to the sectional shape. The round steel tube is widely used, but there are some special-shaped steel tubes such as square, rectangle, semicircle, hexagon, equilateral triangle and octagon.
Q:Is the diameter of the steel tube indicated by the outer diameter by the wall thickness or by the inside diameter by the wall thickness?
For seamless steel pipes or nonferrous metal pipes, the outer diameter * wall thickness shall be marked".For example, 108 x 4 phi, Phi can be omitted. Some steel tubes in China, ISO and Japan adopt wall thickness to indicate the thickness of steel pipe. The method for the specification of such steel tubes is pipe outer diameter * wall thickness. For example, Phi 60.5 * 3.8.
Q:Why seamless steel pipe called seamless steel pipe?
Seamless is relative to welded steel pipe, because welded steel pipe is welded with steel strip, seamless steel pipe is made of whole round steel empty, no welding seam.
Q:What does "1.5" steel tube mean?
1.5 inch [1 1/2 steel pipe, outer diameter 48.3mm, 1.5 inches, refers to the pipe bore is approximately the inner diameter (25.4x1.5 = 38.1mm). [DN40] the specific parameters of the steel pipe are as follows;The average wall thickness is: 3.5mm;The minimum wall thickness is 3.06mm,Nominal diameter is 40mm,External Jing is 48.3mm,

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