manufactrurer supply middle line double flange butterfly valve

Product Description

Double flanged butterfly valve

The standard of double flange butterfly valves:
1.Design standard conform to: ANSI/AWWA C**4
2.Connection flange conform to: DIN PN*0/*6/*5, ANSI B*6.1, BS***4, ISO PN*0/*6,
JIS B***2/***3, BS *0 Table D, BS *0 Table E
3.Top flange conform to: ISO ***1
4.Face to face conform to:BS***5 short, ISO***2(series *3), DIN ***2 F *6
5.Test standard conform to: API**8

The design characters of double flange butterfly valves:
1. Correcting holes are made on flange according to standard, easy correcting during the installation.
2. Through-out bolt or one bolt used. Easy replacing and maintenance.
3. Shaft and disc connected y pin, torque screw or non pin, to achieve the opening and closing.

The Performance of two flange type butterfly valves:
1.Nominal Diameter: Non-backed: DN******0
  1.0, 1.6, 2.0, 2.5
2.Testing pressure (water) Ps (MPa)
Body seat: 1.5 times rated pressure
Seat test: 1.1 times rated press
3. suitable medium: fresh water, sea water, gas,oils, acids, alkalis,etc.

Tianjin Outshie Valve Co,. Ltd is a manufacturer in specializing in producing butterfly valves, check valves, gate valves, etc. We start valves business from the year of ***7, we promise high quality and best price butterfly valves. The butterfly valves can be in accordance with ANSI/BS/JIS/ISO, and universal flange standard, etc.

Welcome you to contact us for more details.