DN170 Inspection hatch
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. 
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170 mm Inspection Assembly 305 mm height
GUARD™
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€448,84
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170mm Inspection 3 points, 6mm thickness,. Stainless steel swing bolts with stainless steel hand nuts or brass hand nuts. Manlid seal sold sep...
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Swingbolt Assembly SS long 58 mm
GUARD™
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5+ in stock
Short swing bolt assembly made of high-quality stainless steel, length 58 mm. Suitable for secure and durable fastening of manhole systems and ind...
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170mm Inspection Cover
GUARD™
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Material: CF3M
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Flange Mounting Inspection Hatch (170mm)
GUARD™
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170 mm inspection 3 points, 6 mm thickness, neck ring depth 100 mm (including the height of the flange). Connected to the weld flange on the tank b...
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Low Flange Mounting Inspection (170mm)
GUARD™
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170mm Inspection 3 points, 6mm thickness, neckring depths 46mm Including the height of flange .Suitable for tanks with limited height space. Connec...
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Guard tank valve passes low-temperature test: -65 °C, 6 hours. Independently tested and certified as reliable for LNG and Arctic conditions.Read now