Quick Opening Closure - Q.O.C.
Opening and closing safely by one man within one minute without effort
WOCC  - Clamp type
Pressure Range from 150# up to 300#.

Size range from 04” up to 20” and higher. 

Applicable for horizontal and vertical pressure vessels.

Clamp segment to fixe the plug in the hub.

Handwheel rotation actuates the clamp.


The clamps are locked by the interlock system paddle in the closed position, one –piece molded gasket, provides an optimal sealing and full tightness on full pressure range.
  

The range is designed according to ASME VIII Div1 UG 35 & Div2 and majority of the client specification.
NLS2K0 - Flexible Segment type
Pressure Range from 150# up to 900#.

Size range from 20” up to 60”.

Applicable for horizontal and vertical pressure vessels.

Flexible ring segment to fixe the plug in the hub  

Quarter turn rotation of the lever actuates the segment  

The lever is locked by the interlock system in the closed position. 
‘U’ shape self energized, one –piece molded gasket, provides an optimal sealing and full tightness at low and high pressure.  

The range is designed according to ASME VIII Div1 UG 35 & Div2 and majority of the client specification. 
NLS2K3 - Expandable Segment type
Pressure Range from 150# up to 2500#  

Size range from 08” up to 80” and higher. 

Applicable for horizontal and vertical pressure vessels.

Expandable segment to fixe the plug in the hub  

Quarter turn rotation of the lever actuates the segment  

The lever is locked by the interlock system in the closed position.  
‘U’ shape self energized, one –piece moulded gasket, provides an optimal sealing and full tightness at low and high pressure.  

The range is designed according to ASME VIII Div1 UG 35 & Div2 and majority of the client specification.
TECHNICAL SPECIFICATIONS
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Design specification : ASME VIII Div1 UG35 & Div.2, ASME VIII Div1 with "U Stamped" and Client requirement. 
Ends Design Specification: ASME B31.3, B31.4, B31.8, ASME VIII Div.1 
Connection type: BW, flange.
 Bandlock 

MATERIALS OF CONSTRUCTION
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ASTM A350 LF2 / ASME II SA350 LF2 
ASTM A105 / ASME II SA 105 
ASTM A694 F52 / F60 / F65 / F70 
ASTM A182 F51 / F53 
Elastomeric sealing: Nitrile, Viton, ED resistant.
Standard finish: Shock primer coating.

Standard closure protection: Rust preventative, final paint after welding by client 
Special closure protection: Grade 316 Stainless Steel or Inconel 625 weld overlay.
QOC GALLERY
Vertical QOC ( Quick Opening Closure ) 68
Vertical QOC ( Quick Opening Closure ) 68" 600#
Vertical QOC ( Quick Opening Closure ) 68
Vertical QOC ( Quick Opening Closure ) 68" 600#
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