Series NW sight glasses are offered with nominal viewing diameters of 3", 4", 5", 6", 7", and 9". Custrom sizes and configurations are available upon request. Series NW sight glasses are manufactured from ASME Section VIII acceptable metals. Each sight glass is thoroughly inspected and will provide long and useful service under the most demanding processing conditions. Optional accessories include Type I wiper, Type II wiper and Type I spray washer, Type II spray washer assemblies and Type III Spray Rings. Series NW sight glasses are also available with Series PL, MSL, SLEX, REX, or FBX illuminators.
ASME code calculations and any resulting additional material needed to reinforce sight glass opening to meet ASME code is the responsibility of the buyer.