Product Overview

For Commercial and Industrial Applications
ES-777S-M1
Job Name
–––––––––––––––––––––––––––––––––––––––––––
Contractor
––––––––––––––––––––––––––––––––––––––––––––
Job Location
–––––––––––––––––––––––––––––––––––––––––
Approval
–––––––––––––––––––––––––––––––––––––––––––––
Engineer
–––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No.
––––––––––––––––––––––––––––––––––
Approval
–––––––––––––––––––––––––––––––––––––––––––––
Representative
––––––––––––––––––––––––––––––––––––––––
Series 777/777S
Cast Bronze Wye Strainers,
Threaded Con nec tions
Sizes
1
⁄4" – 4" (8-100mm)
Features
777 Strainers,
1
⁄4" – 4" (8-100mm)
These wye-pattern strainers have 20 mesh 304SS screens,
(except 3" furnished with
3
⁄64" perf. screen, and 4" with
1
⁄8" perf.
screen), cast bronze body, thread ed con nec tions, and solid
retainer cap with an EPDM O-ring. Not tapped for closure plug.
777S Strainers,
1
⁄2" – 4" (15-100mm)
Same as the 777 series, except furnished with a tapped retain-
er cap for a clo sure plug. Closure plug not provided.
Pressure – Temperature
Maximum Pressures (Non-Shock) & Temperatures
400psi (27.6 bar) WOG at 210°F (99°C), and 150psi (10.3 bar)
WSP @ 250°F (121°C)
4" (100mm) - 300psi (20.7) WOG and 125psi (8.6.bar).
No. 777S-M1
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.
Materials
Body: Cast bronze ASTM B-584
Retainer Cap:
1
/2" - Brass ASTM B16
Cap Gasket: EPDM O-ring
Standard Screen:
1
/4" – 2" (8-50mm): 304
stainless steel #20 mesh,
3" (80mm) 304 stainless steel
3
⁄64" perf
4" (100mm) 304 stainless steel
1
⁄8" perf