Apollo Conbraco 61LF-PR, 61LF User Manual

Lead Free*

MODEL CVB-LF

IN-LINE CHECK VALVE

(61LF Series)

Job Name: Contractor:
Job Location: P.O. Number:

Engineer: Representative:
Tag: Wholesale Distributor:

DESCRIPTION

The Apollo® CVB-LF (61LF Series) Ball Cone®
check valves offer reliable protection against
reverse flow and exceptional resistance to
chemicals and corrosion using proven ASTM
grade Lead Free* materials.

FEATURES

• Lead Free* AB 1953 Certified

• FNPT Threaded Connections

• ½ psi spring cracking pressure

• Cast Bronze Body, Sizes ¼” to 3”

• Tight Shut-off With Liquid Media

• Straight-through Flow Design Efficiency

• RPTFE Ball Cone

®

for Chemical Resistance

• Made in the USA

MATERIAL SPECIFICATIONS

Part Name Material

Body C89836 Lead Free* Bronze
Retainer C27450 Lead Free* Brass
Spring AISI 316 Stainless Steel
Ball Cone Check RPTFE, 15% Glass Filled
Stem C27450 Lead Free* Brass

PERFORMANCE RATING

Max Pressure: 400 psi / 125 psi Steam
Max Temp: 350°F (176.6°C)

Flow Rate (Cv)

1 psi Differential Pressure

Size GPM

¼”

3/8”

½”
¾”

1”
1-1/4”
1-1/2”

2”
2-1/2”

3”

.85

1.21

1.40

3.53

6.00
44
65
81

175
265

Conbraco Industries, Inc. 701 Matthews Mint Hill Rd. Matthews NC 28105 USA ; www.apollovalves.com

Conbraco Industries can accept no responsibility for possible errors in this document and reserves the right to alter its product design or construction without notice and without incurring any

obligation to make such changes on Conbraco products previously or subsequently sold. All product specifications are approximate and are provided for reference only.

APPLICATIONS

Well-suited for a broad range of applications, including saturated
steam and chemical service. May be installed in both horizontal
and vertical orientation with upward flow. Do not use for
reciprocating air compressor service.

OPTIONS**

MNPT x FNPT (61LF-200 Series)
Soft Seat (61LF-500 Series)
Solder x Solder (61LF-800 Series)
0 psig Cracking Pressure (No Spring)
5 psig Cracking Pressure (1/4”-1” Only)
10 psig Cracking Pressure (1/4”-1” Only)
Oxygen Cleaned
Satin Chrome Plate Finish
OTHER

** Consult factory for availability of LF Model options

DIMENSIONS

Model

Number

CVB14LF 61LF-101-01
CVB38LF 61LF-102-01
CVB12LF 61LF-103-01
CVB34LF 61LF-104-01
CVB1LF 61LF-105-01
CVB114LF 61LF-106-01

CVB112LF 61LF-107-01
CVB2LF 61LF-108-01

CVB212LF 61LF-109-01
CVB3LF 61LF-100-01

*LEAD FREE: The wetted surfaces of this product shall contain no more
than 0.25% lead by weighted average. Complies with CA AB 1953 and
VT S.152. ANSI 3

Item

Number

rd

party certified and listed.

Size A MN

¼”

3/8”

½”
¾”

1”

1 ¼”
1 ½”

2”

2 ½”

3”

A B C

PT

2.38 2.06 1.12 1.12 .38

2.38 2.12 1.12 1.12 .38

2.56 2.31 1.12 1.12 .38

3.12 2.87 2.37 1.50 .75

3.87 3.50 1.75 1.93 1.45

4.44 4.19 2.12 2.37 2.75

5.18 4.94 2.50 2.81 3.94

6.50 6.00 3.00 3.68 6.30

7.12 3.87 4.50 14.0

8.13 5.31 4.63 16.6

; 704-841-6000

SS1172 © 11/09 Page 1 of 1

Wt.

(Lb)