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GN537.1
Pin Key for Perspex Oil Level Sight Glass GN537, Steel
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Type A - Without Markings
Type B - With Max/Min Level Marks
Product Description
GN537 Oil Level Sight Glass, Aluminium & Perspex, No Thread Required
These oil level sight glasses GN 537 are easily installed without the need for a screw thread.
The oil level sight glass is inserted into the bore d2 to H11. By simply tightening the ring nut using a pin key GN537.1, the seal is pressed against the contact surface. At the same time this will hold the sight glass in position. For removal, simply reverse the procedure.
Please note that a GN537.1 pin key is required for correct installation, and must be purchased separately
Their application is limited to either non-pressurised or only slightly pressurised tanks.
Specification
Ring nut - Aluminium AL
Window glass - Perspex (PMMA)
Temperature resistant up to 80°C
Sealing ring - rubber NBR (Perbunan)
Contrast screen - Plastic, white, with red oil level marks.
Accessory
Pin key for installation GN537.1
