Apollo Conbraco 61-LF User Manual
61LF-500/61LF-600 Series
In-Line Soft Seat Check Valve
SUBMITTAL SHEET
61LF-500
FEMALE x FEMALE THREADED
1/4” THROUGH 2”
61LF-600
SOLDER
1/2” THROUGH 2”
DESCRIPTION
The Apollo® CVBE “Soft Seat” Check Valve oer reliable tight shut-o protection against reverse flow and corrosion resistance using proven ASTM quality
materials made in the USA. Ideally suited for potable water, hydronic heating and other low flow applications. Soft seat allows more resistance to vibration
and may be installed in both horizontal and vertical upward flow applications.
LEAD FREE
Job Name:
Job Location:
Engineer:
Contractor:
Tag :
PO#:
Rep:
Wholesale Dist.:
FEATU R ES
• Female NPT: 1/4” to 2”
• Solder: 1/2” to 2”
• Bubble-Tight Shut-O, Ideally Suited for
Gaseous Service
• EPDM Check Disc (61LF-500 Standard)
• Straight-Through Flow Minimizes Pressure Loss
• 1/2 psi Cracking Pressure
• Made in the USA
OPTIONS
PERFORMANCE RATING
• 400 psig CWP Non-Shock @ 100°F
APPROVALS
• NSF /ANSI 61 Water Quality
• NSF/ANSI 372 Lead Free
• RoHS Compliant
• ARRA Compliant
• CRN 0C11218.5C
STANDARD MATERIALS LIST
BODY
RE TA IN E R
SE AT
GUIDE PIN
SPRING
CHECK
GUIDE
Lead Free Bronze, C8983 6
(1/4” - 1-1/4”) Lead Free Brass, C27451
(1-1/2” - 2”) Lead Fre e Bronze, C898 36
EPDM
Stainless Steel
Stainless Steel
Lead Free Brass, ASTM C 27451
Lead Free Brass, ASTM C 27451
• Soft Seat (61-500)
• Solder x Solder Soft Seat (61-600)
• (-B1) Nitrile Seat
• (-A1) 0 psig Cracking Pressure (No Spring)
• (-E05) 5 psig Cracking Pressure (1/4”-1” Only)
• (-E10) 10 psig Cracking Pressure (1/4”-1” Only)
• (-57) Oxygen Cleaned
• (-17) Satin Chrome Plate Finish
Note: Not all combinations available.
Call customer service for more details.
NOTE: Not recommended for use with reciprocating pumps and similar applications. Low flows may result in undesirable noise and premature wear.
PART NO. MATRIX
61LF - X X X - XX
TYPE CHECK SPRING TYPE SIZE (IN.) OPTIONS
LEAD FREE BRONZE 5 - SOFT SEAT (FNPT X FNPT) 0 - .5 PSIG CRACKING PRESSURE 1 - 1/4” 01 - STANDARD (EPDM SEAT)
6 - SOFT SEAT (SOLDER) 2 - .2 PSIG CRACKING PRESSURE 2 - 3/8” 17 - SATIN CHROME PLATED
9 - SOFT SEAT REPAIR KIT 3 - 1/2” 57 - OXYGEN CLEANED
(EPR ONLY) 4 - 3/4” A1 - LESS SPRING
5 - 1” B1 - NITRILE SEAT (BUNA-N)
6 - 1-1/4” V1 - VITON SEAT
7 - 1-1/2” E05 - 5 PSIG OPENING PRESSURE*
*Available in 1/4” through 1” only.
(Note: Not all combinations are available. Contact Customer Service for verification.)
8 - 2” E10 - 10 PSIG OPENING PRESSURE*
*LEAD FREE: The wetted surfaces of this product shall contain no more than 0.25% lead by weighted average. Complies with Federal Public Law 111-380 . ANSI 3rd party approved and listed.
(704) 841-6000
apollovalves.com
SS1516 © 04/19 Page 1 of 2
This specification is provided for reference only. Apollo reserves the right to change any portion of this specification without
notice and without incurring obligation to make such changes to Apollo products previously or subsequently sold.
Most current information available at apollovalves.com.
SUBMITTAL SHEET
DIMENSIONS
PART NO. SIZE
61LF-501-01 1/4 ” 2.31 1.12 1.12 38
61LF-502-01 3/8” 2.31 1.12 1.12 37
61LF-503-01 1/2” 2.31 1.12 1.12 36
61LF-504-01 3/4 ” 2.87 1.37 1.50 75
61LF-505-01 1” 3.50 1.75 1.93 145
61LF-506-01 1 -1/4” 4.18 2.12 2.37 275
61LF-507-01 1-1/2” 4.93 2.50 2.81 394
61LF-508-01 2” 6.00 3.00 3.68 630
61-600 (SOLDER)
61LF-603- 01 1/2” 2.75 1.12 1.25 38
61LF-604-01 3/4” 3.68 1.50 1.62 75
61LF-605-01 1” 4.50 1.93 2.12 145
61LF-606-01 1 -1/4 ” 6.11 2.13 2.38 330
61LF-607-01 1-1/2” 6.87 2.50 2.81 610
61LF-608-01 2” 7.4 6 3.38 3.75 1010
DIMENSIONS (IN.)
A B C
61-500 (FNPT)
61LF-500/61LF-600 Series
In-Line Soft Seat Check Valve
LEAD FREE
WT. / 10 0
(LB.)
61-500
A
C
B
61-600
FLOW RATE (CV)
SIZE
1/4 ” 0.85 -
3/8” 1.21 -
1/2” 1.4 2.20
3/4 ” 3.53 4.78
1” 6 6
1- 1/4” 44 44
1-1/2” 65 65
2” 81 81
GPM=gallons per minute at 1 psi pressure dierential
Cv - expresses the flow capacity in gallons per minute (GPM) of 60°F water with a pressure drop of 1 psi (lb/in
GPM
61LF-500 61LF-600
2
).
(704) 841-6000
apollovalves.com
SS1516 © 04/19 Page 2 of 2
This specification is provided for reference only. Apollo reserves the right to change any portion of this specification without
notice and without incurring obligation to make such changes to Apollo products previously or subsequently sold.
Most current information available at apollovalves.com.
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