Watts 77F-CSI - Manual

Series 77F-CSI
Cast Steel, Flanged,
Wye-Pattern Strainers
Sizes: 1 /
2
” – 6” (15 - 150mm)
Series 77F-CSI Steel, Flanged, Wye-Pattern Strainers are used
in liquid and steam applications. Series 77F-CSI are furnished
with blowdown connections and machined seat that allows the
screen to be self-aligning and assures a perfect fit. All sizes
come with a complete bolted screen retainer cover and PTFE
gasket. Screen retainer cover is tapped for strainer clean out
by removing the blowdown plug or opening a blowdown valve
piped to the blowdown outlet. The strainer may be installed in
horizontal or vertical pipe with the blowdown connection at the
lower end of the screen retainer cover.
Features
• Grade WCB steel body
• Wye-pattern
• Self-aligning stainless steel screen
• Screen retainer cover tapped and plugged
• Flanged connections
Pressure (Non-Shock)-Temperature
Maximum Working Pressure:
150psi (10.3 bar) at 400°F (204°C) WSP
285psi (19.6 bar) at 100°F (38°C) WOG
Materials
Body: ASTM A-216
Grade WCB cast steel
Plug: ASTM A-105
Screen: 304 stainless steel
Screen Retainer Cover: ASTM A-216
Gasket:
PTFE
For Commercial and Industrial Applications
ES-77F-CSI
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
No. 77F-CSI
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
LEAD FREE
*
*The wetted surface of this product contacted by consumable
water contains less than one quarter of one percent (0.25%) of
lead by weight.