DN170 Inspection hatch, 3 points, 6 mm thickness, neck ring height 75 mm to 305 mm. Stainless steel swivel bolts with stainless steel hand or brass nuts.
Manhole packing is available separately. Option: Different neck ring heights and toggle combinations are available.
Article number: R4139501-00
Nominal diameter: 170mm
Design printing: 4Bar (58PSI)
Test pressure: 6Bar (87PSI)
3-point
Material: 316L
Design temperature: -20 ° ~ + 150 °
* Temperature range determined by the gasket. 
