Double Flanged Concentric Butterfly Valve

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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.
Through-out bolt or one-side bolt used. Easy replacing and maintenance.
Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.
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.

We are a manufacturer of resilient seated butterfly valve and we will provide you products of high quality and the most competitive price


Terms of payment: L/C,T/T

Port of shipment: xingang

delivery time: within 30days

package: as per your requests


our company specializes in manufacturig various valves and we are looking forward to hearing from you. our goal is to provide our customers with the products of high quality and competitive price.

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