Find high quality hot sell clamp type quick opening closure with asme with competitive price here. Please rest assured to buy hot sell clamp type quick opening closure with asme with Shenyang Yongye Industry Co.,Ltd

We offer our client an excellent quality range of Quick Opening Closures, which are manufactured from high grade quality raw materials. These Quick Opening Closures can be customized as per our precious customers' specifications. These Quick Opening Closures are widely known for its durability and quality. Our Quick Opening Closures can be availed at industrial leading price.

Our Band-lock Closures provide quick access to horizontal or vertical pipeline pig traps. Band-lock closures are designed to open quickly with out any special tool, normally under a minute.

Band-lock quick opening closures provide horizontal or vertical access to any pressure vessel in seconds. Compared with other quick-opening closures they can be operated safely at remarkable speed _ any size of unit can be opened or closed in less than a minute, with no special tools required.

1.QOC disassembly 
a.Twist off checks crew no. 2;  take out sealing ring no.3; pick off interlocking board no. 4;
b.Opening and closing mechanism no. 6, open clamp no. 9 loose to the position;
c.Hold the handle no.10, put closure cover no.1 removed lightly, take out main sealing ring no.12;
d.Take off adjustable nut no.16, extract vertical shaft no. 17, lay front folder no. 14 and closure cover no 2 to safe place, and pay to protect sealing face.
e.Remove the front cover no. 8,top cover no.7 and guide screw no.5, take off clamp ring no.9 together with open &close mechanism no. 6 to safe place.
2.Barrel flange welding 
Clean up the position between barrel flange no. 13 and barrel, make sure the inner bore alignment, according to folding location to find good direction: welding. 
Usually, the material of Barrel flange designed according to the barrel material. Its welding property is same or equivalent to barrel material. If no special requirement, it is ok to use the barrel electrode to weld.
3.Heat treatment 
After Barrel flange and barrel welded, Welding joint should be heat treatment for the whole or parts as to GB150-1998, it won’t affect the quality and property of barrel flange, but please pay to protect sealing face, avoid to collision and scratch.
4.check and inspection 
After heat treatment of barrel flange and barrel, welding joint has to be 100% X ray examination, reaches II level is ok.
5.Assembly and adjustment 
Clean up the sealing face of barrel flange and closure cover, to install the QOC as reversing disassembly order, adjust the folding mechanism to adjust bolt and nuts to make the closure cover to the central position of barrel flange, it is should coat antirust grease on connect thread, rotary parts and sealing face.