It is applied in large stainless steel tanks and vessels, for such application requires the pathways to the inner parts of the tanks or vessels could be locked up.
JB: Arc manhole cover, which can sustain a Max.
Static pressure of 2bar (under the temperature of 20c)
JB-I: Arc manhole cover, with high bracket, used for big vessels with lagging materials.
JB: Flat manhole cover, with low bracket.
JB: Flat manhole over, with high bracket, used for big vessels with lagging material.
JB-P: Can sustain a Max. Working positive pressure of 5bar Affordable specifications:
410*510, 320*440 or 350*450mm
Materials: 304 or 316L