damper butterfly valve

damper butterfly valve   Feature of Wafer Butterfly Valve                                                                                                     This series of wafer flange hard seal butterfly valve is small in size, light in weight,
reasonable structured, easy to install, and normally applicable to controlling adjustment
and closure of fluid with high flow and low pressure, as well as of powders.     1. Small and portable, convenient for removing, installation and maintenance, and may be installed on any location.
2. Simple and compact in structure, rapid open and close with 90 rotation, small operation torque and that is light and labor-saving.
3. Long life time with tens of thousands times of actuation tests.
4. Excellent adjustment with the flow curve tending to straight line.
5. Totally sealed, result of gas leakage test is zero.
6. Various materials applicable for different kinds of medium.      Specifitions:                                                                                                                                           

Nominal Diameter (DN)		40(1 1/2’’)~1000(40’’)	50(2’’)~600(24’’)	MM
Nominal Pressure (PN)		1.0	1.6	Mpa
Testing Pressure	Sealing Test	1.1	1.76
	Enclosure Test	1.5	2.4
Suitable Temperature		-15~150		°C
Medium		Fresh water,Waste water,Sea water,Air, Food,variour oil, acid,alkalis,salt.etc

                Package and Delivery             Workshop                   Company information:           The most professional manufactuer ,more than 40 years history ,exporting to all(percentage up to 71%-80%).total annusl sales volune can reach US$10Million -US$ 50 Million.                     Certificates:     Andy Zheng   China Tianjin Bell Automatic Instrument Technology Co.,Ltd   Tel: 86-022-27553780   Fax: 86-022-27529983   Mobile: 8613132273221   Web:                      Email: bellandyzheng (at) hotmail.com   Skype:  bellandyzheng