|1.Band Lock Type Quick Opening Closures（Model No.QOC-BLT）
1.Hub 2.Door 3.Locking Ring 4.Rotation Mechanism 5.Fasten Mechanism 6. Interlock System
Band lock type quick opening closure is a kind of mechanical device used for the circular opening of pressure pipeline and pressure vessel. Turning to one side, it can realize quick opening and closing.
Features of Structure
Band lock type quick opening closure adopts the inside groove locking band structure, which is designed, manufactured and inspected according to ASME code. It has the characteristics of high machining accuracy, flexible quick opening and closing, safety interlock, compact structure, etc. It is used in petroleum, chemicals, natural gas and other industries. It is widely used in the equipment of pig launcher and pig receiver, filter separator and other pressure vessels.
Technical Datasheet QOC-BLT Closure
Closure Nominal SizeFrom 2” up to 48”
Closure Design CodeASME VIII Div 1；ASME B31.3；ASME B31.4；ASME B31.8
Closure Design PressureCL150；CL300；CL600；CL900；CL1500；CL2500 and as required
Closure Design Temperature (min/max)-50°C / 200°C
Closure Installation OrientationHorizontal；Vertical
Applicable MediumGas；Oil；Petroleum；Chemical Materials；Water；etc.
Main Materials of Construction
Hub MaterialASTM A105；ASTM A516 Gr.70；ASTM A515 Gr.70； ASTM A694 F42 F46 F48 F50 F52 F56 F60 F65 F70；ASTM A350 LF2 Class 1；
Door MaterialASTM A515 Gr.70；ASTM A516 Gr.70；ASTM A105；ASTM A694 F42 F46 F48 F50 F52 F56 F60 F65 F70；ASTM A350 LF2 Class 1；
Door SealNitrile；fluorine rubber
Structural ComponentsASTM A36; ASTM A50 Q235
ASME U Stamp CertificateApplicable
Notes: Particular structure and material can be designed and manufactured as per client’s request.
XINLIAN has rich experience in producing asme u stamp steel bandlock quick opening closure as well as the customized equipment. Well-known as one of the largest manufacturers and suppliers in China, we warmly welcome you to buy our quality products made in China and get the quotation with our factory.China ASME U stamp quick opening closure manufacturers