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ASME U Stamp Clamp type Horizontal Quick Opening Closure In oil and gas field

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Shenyang Wensheng Instrument Equipment Co.,Ltd
Shenyang Wensheng Instrument Equipment Co.,Ltd
City: Shenyang
Province/State: Liaoning
Country/Region: China
Tel: 86-024-88333299
Contact Person:
Mrs Jessica Zhang

ASME U Stamp Clamp type Horizontal Quick Opening Closure In oil and gas field

Brand Name : ws
Model Number : QDQ
Certification : ISO,ASME
Place of Origin : CN
PN : 2.5MPa to 25MPa
Material : C.S/ S.S
Size : DN250 TO DN2000MM
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It is a kind of Quick Opening Closure that through the disengaging or banding of hoop realizes quick open or closed.
Clamp type QOC characters
Have the function of secure self-locking (blind plate self-locking,shock proof, anti-looseness. secondary relief ). Its not only prevent blind plate loose during the locking but also avoid the dangerous happen when open the blind plate under the pressure.
Taking coaxial double structure, Between the sealing ring and sealing surface without relative rotation. the sealing ring is not easy to damage. the sealing surface is not easy wear by impurities.
Triple clamp can realize action at the same time and uniform strength . Reduced the open screw transmission length, make the switch more flexible and reliable.
Above 90% occlusal contact areas , its suitable for high pressure and large diameter natural gas pipeline. the pressure parts take 20# or 16Mn forged steel and main parts no weld assembly.

Safe operation and maintenance
1. when welding the blind flange and the cylinder body, the current is not too much, if you overheat the blind plate, it will out of shape.
2.the person who using the blind flange, must know the structure and the operation procedures of blind plate.
3. before open the blind flange cover, you must first open the air valve to make sure the pressure in the pressure vessel drop to zero, then open the blind flange.
4.when pressurized to the pressure vessel, you must first installed the releasing plate, then pressurized and put into use.
5.after the pressure vessels are put into use, knock the main pressure components and collision is forbidden.
6.the transmission system of the blind plate and screw locking device must always apply oil to prevent rust. Appearance must be intact and clean.
7.on a regular basis to check the blind flange of main pressure parts (such as blind plate, tube surface), if found it heavy corrosion or crack, must find out the reason in time, and handle the question properly.
8.after use, to inspection and clean the gasket and the seal groove, and paint yellow glycerin, in order to prevent bad sealing.

Please contact us If have any interesting. we will reply you within 12 hours.

Export Manager: Mrs.Jessica Zhang

Mobile Phone:+86 15640233593

Office Tel:+86-024-88333299


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