Welded Metal-to-metal Butterfly Valve ; Butterfly Valve

Loading Port:China main port

Payment Terms:TT OR LC

Min Order Qty:10 pc

Supply Capability:1000 pc/month

Product Description:

It is applicable to the pipelines if high temperature, high pressure, and heat perservation as the function to open, close or adjusting flow. Main features details as below:

  1. Compact structure, small volume, lightweight, flexible operation, convenient using.

  2. With three-eccentric flexible and milti-layer metal-to-metal structure, the sealing performance can reach zero leakage.

  3. The kind of valve hasn't flanges, which make the pipelines and jacket-installed great convenient and beautiful.

  4. There are advantages with high temperature and high pressure resistant, corrosion resistant, friction resistan, etc.


Applicable Standard

Welded dimensions: GB12224 ; ANSI B16.25 ; DIN2559

Face-to-face: GB/T12221-1989 ; API609

Pressure Test: GB/T13927-1992 ; API598


Main Technical Parameter

Nominal

Diameter

DN(mm)                           50-700

Nominal

Pressure

PN(MPa)0.61.01.62.54.0

Intensity Test0.91.52.43.756.0

Seal test0.661.11.762.754.4

Air Test0.60.60.60.60.6

Applicable

Temperature

Carbon Steel: -29°C-425°C  /  

Stainless steel: -40oC ~ 600oC

Applicable

Medium

Water / Steam /  Oil Product /  corrosive acid, etc


Material for Main Parts

Parts Name                               Material
BodyCast steel / Stainless steel / Cr-Mo steel /special material
Disc

Cast steel / Alloy steel (Crplated) / Stainless steel /

 Cr-Mo steel / special material

Seat seal ringStainless steel / anti-wearing material
Stem2Cr13 / Stainless steel / Cr-Mo steel
PackingFlexible graphite


Please consult customer service before placing an order( in order to confirm with size and material of the relevant product).