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INSTALLATION INSTRUCTIONS BUTTERFLY VALVE 1 Place valve between the flanges. 2 Align and fix loosely by means of four flange bolts and nuts. 3 Spot weld pipe flanges to the pipe. Mfg. & Mkt by INDIA w w w. a i r a i n d i a . c o m / w w w. a i r a e u r o . c o m
INSTALLATION INSTRUCTIONS BUTTERFLY VALVE 4 Remove the valve. 5 Weld flanges to the pipe. 6 Let flanges cool down and re-install the valve. The valve must move easily between the flanges to prevent damage to the collar. Leave valve disc slightly open. Mfg. & Mkt by INDIA w w w. a i r a i n d i a . c o m / w w w. a i r a e u r o . c o m
INSTALLATION INSTRUCTIONS BUTTERFLY VALVE 7 Align valve and fasten 4 flange bolts 8 Open valve disc and check free movement. Leave valve disc slightly open. 9 Fasten all flange bolts tightly and crosswise. Mfg. & Mkt by INDIA w w w. a i r a i n d i a . c o m / w w w. a i r a e u r o . c o m
INSTALLATION INSTRUCTIONS BUTTERFLY VALVE 10 Check proper operation. Attention : Make sure disc does not hit the pipe. Mfg. & Mkt by INDIA w w w. a i r a i n d i a . c o m / w w w. a i r a e u r o . c o m