供应无靠背蝶阀

Wafer Butterfly Valve

Standard:

Design standard conform to: ANSI/AWWA C504

Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213, BS 10 Table D, BS 10 Table E

Top flange conform to: ISO 5211

Face to face conform to: BS5155 Short, ISO5752 (Series 13), DIN 3202 F16

Test standard conform to: API598

Design characters:

1. Correcting holes are made on flange according to standard, easy correcting during the installation.

2. Through-out bolt or one-side bolt used. Easy replacing and maintenance.

3. Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.

Performance:

Nominal Diameter: DN40-DN1200

Nominal Pressure PN (MPa):

1.0, 1.6, 2.0, 2.5

Testing pressure (water) Ps (MPa)

Body seat: 1.5 times rated pressure

Seat test: 1.1 times rated pressure

Suitable medium: fresh water, sea water, gas, oils, acids, alkalis, etc.