Rebuild kits for PAPAILIAS 150# NW-RF [Flanged], NW-BW [Weld Neck] and NW-FT [Threaded Flange] style sight glasses feature a choice of lens and gaskets depending on the particular service. Please contact the factory for seal gasket materials not listed or non-standard lens materials such as Fused Quartz or Polycarbonate [non-glass].
All Rebuild kits are supplied with the following:
[Qty: 1] Lens, choice of:
Tempered Soda Lime Glass Lens [≤300°F]
Tempered Borosilicate Glass Lens [≤500°F]
Fused Quartz, Cast Acrylic, Polycarbonate (contact factory)
[Qty: 1] Seal Gasket, choice of:
EPDM Elastomer [≤300°F]
Expanded PTFE [≤500°F]
Viton/Fluoroelastomer [≤400°F]
Other (contact factory)
[Qty: 1] Inorganic Fiber Lens Cushions
Other (contact factory)
All instruction must be read and understood thoroughly before attempting any installation, operation or maintenance. Failure to follow any instruction could possibly result in a malfunction of the sight glass and/or glass breakage with resulting sudden release of pressure causing serious personal injury and/or property damage.
ALWAYS WEAR SAFETY GLASSES WHEN INSTALLING OR SERVICING OR OPERATING A SIGHT GLASS.
