GOST 17375 Elbow forming machine

GOST 17375 Elbow forming machine for hot forming of elbows is designed to manufacture short radius elbows and long radius elbows with diameters of od 57 to 630 mm.
Gost 17375 is Russia Elbow standard,GOST 17357 Elbow forming machine is designed special for  Butt welded elbows ,suitable for various standard in the world.
Gost 17375 Elbow forming machine could use GOST 8731-74,GOST 8732-78,TU14-3P-1128-2007 pipes as raw pipe for elbow pushing.

Hei Yan Group has more than 10 years experience for various pipe fittings machineries, market covered to Russia, Turkey,Korea, Canada,America and India.

Gost 17375 Elbow forming machine can make out elbow dimensions according with GOST 30753-2001, GOST 17375-2001, TU 1469-007-04834179-2005, TU 1468-010-593377520-2003, TU 1469-018-04834179-2009, TU 1469-011-04834179-2010.
For pushing out elbows according to standard need not only machine,but mandrel is also important,elbow forming mandrel will connected with pole,then insert into Gost 17375 Elbow forming machine for pushing.
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1.Check each part of fasteners, ensure they are fixed.

2.Make sure that all connectors of the hydraulic pump station are equipped with oil seal rings, if the seal rings appear damaged or oil leakage, should be replace timely.

3.If found forward or backward abnormality, first check electro-hydraulic valve whether operate normal, if working normally, then you should check whether the electro-hydraulic relief valve or the one-way unloading valve has contaminant that made it could not working or not(this phenomenon usually happen when you just use this machine). If has contaminant, you should open it, clean by gasoline or diesl oil, everything is ok, then re-install.

4.Operated this equipment within 15 days, you should clean the tank and filter hydraulic oil once.

5.When cleaning tank, you should clean the inside the oil filter of tank also.