Product Overview

Options - Suffix
OSY: UL/FM Approved OS&Y Gate Valves
(ANSI/AWWA C515 Compliant)
NRS: Non-Rising Stem Gate Valves
(ANSI/AWWA C509 Compliant)
LG: Less Shut-off valves; This is NOT an APPROVED
ASSEMBLY
Example Ordering Descriptions:
4" LF860-OSY - Valve Assembly fitted with OS&Y Shutoff Valves
4" LF860-NRS - Valve Assembly fitted with NRS Shutoff Valves
Assembly Flow Orientation:
• Horizontal (2
1
⁄2" – 10") - Approved by FCCCHR-USC, ASSE,
cULus, FM, IAPMO and CSA
Materials
Below is a general materials list of the Series LF860. All assem-
blies size 2
1
⁄2" through 10" is similar in materials and construction.
Please contact your local FEBCO Representative if you require
further information.
Main Valve Body: Ductile iron Grade 65-45-12
Relief Valve Body: Ductile iron Grade 65-45-12
Coating: Fusion epoxy coated internal and external
AWWA C550
Shutoff Valves: NRS resilient wedge gate valve AWWA C509
(Standard)
OSY resilient wedge gate valve AWWA C515
(UL/FM)
Check Seats: Stainless Steel
Disc Holder: Stainless Steel
Elastomer Disc: Silicone
Spring: Stainless Steel
Clamp: AWWA C606 (10" Only)
Approvals - Standards
• Approved by the Foundation for Cross-Connection Control and
Hydraulic Research at The University of Southern California
(FCCCHR-USC)
• ASSE 1013 Listed
• **UL Classified (US & Canada)
• **FM Approved
• IAPMO
• AWWA Standard C511 Compliant
• End Connections: Compliant to ASME B16.1 Class 125 &
AWWA Class D Flange
**Assembly configured with UL/FM Approved OS&Y RW Gate
Valves. Less gate valve assemblies are not UL/FM approved
configurations.
Pressure - Temperature
Max. Working Pressure: 175 psi (12.1 bar)
Min. Working Pressure: 20 psi (1.4 bar)
Hydrostatic Test Pressure: 350 psi (24.1 bar)
Hydrostatic Safety Pressure: 700 psi (48.3 bar)
Temperature Range: 33°F - 140°F (0.5°C - 60°C)
Continuous
Relief Valve
Assembly
Test Cock #3
Test Cock #4
Test Cock #2
Test Cock #1
Shutoff Valve #1
Shutoff Valve #2
First Check
Assembly
First Spring
Assembly
Second Spring
Assembly
Second Check
Assembly
**
**
1013
B64.4