For Commercial and Industrial Applications
ES-77F-SS/77G-SS
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Engineer
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Series 77F-SS, 77G-SS Stainless Steel Strainers are light-
weight, fabricated wye-pattern strainers designed to remove
dirt and other debris from fluid systems. A simple cover and
coupling design permits easy cleaning or replacement of
the screen.
Features
•304stainlesssteelbodyexhibitssuperiorcorrosionresis-
tance compared to cast iron; eliminates casting porosity
problems; complies with NSF 61 and FDA requirements
•50%lighterthancastironstrainers,reducinghandlingand
installation equipment costs
•LeadFreeconstructioncomplieswithCaliforniaProp.65
and proposed Federal Government lead-free standards
•Single,two-bolt,groovedstylecoverprovidesquickand
easy access, saving disassembly/assembly time
•Screenretainercoveristappedforstrainercleanout
by opening a blow-off valve or removing the standardly
furnished closure plug
Materials
Body: 304stainlesssteel,ASTMA-312
Flanges: Zinc-plated,ASTMA–36carbonsteel
Cover: 304SSsizes6",8",10"(150,200,
250mm);ductileironsizes
2
1
/2"–5"and12"(65–125,300mm);
epoxycoatedductileironsizes
2
1
/2"–5"and12"(65–125,300mm)
on FDA models
Cover Gasket: EPDM,ambientto150°F(66°C)
Grooved Coupling: Ductileiron,ASTMA-536
Bolts: Heattreated(SAEJ-429)steel,
ASTMB-633
Nuts: Heattreated(SAEJ-429)steel,
ASTMB-633
Plug: Brass,ASTMB-584
Screen: 304stainlesssteel,ASTMA-276
No. 77F-SS
(Flanged)
Series 77F-SS, 77G-SS
Stainless Steel Wye-Pattern Flanged
and Grooved Strainers
Sizes: 2
1
/2" – 12" (65 – 300mm)
No. 77G-SS
(Grooved)
Specifications
Strainer shall be installed where indicated on the plans to
remove dirt and other debris from fluid system. Strainer shall
bemanufacturedfrom304stainlesssteelandbeleadfree.
StrainershallbeWattsRegulatorCompanySeries77F-SS
(flangedends)or77G-SS(groovedends).
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.
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