Watts LFB6400 User Manual
For Commercial and Industrial Applications
ES-LFB6400
Job Name
Job Location
Engineer
Approval
LEAD FREE
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*
Series LFB6400
2-Piece, Standard Port, Lead Free*
Ball Valves with Mounting Pads
Sizes: 1⁄4" – 4" (8 – 100mm)
Series LFB6400 2-Piece, Standard Port, Lead Free Ball Valves
come standard with actuator mounting pads, Durafill
glass filled PTFE) seats, bottom loaded blowout proof stem,
chrome plated brass ball, and adjustable stem packing to provide lasting service for a wide range of liquids and gases. The
LFB6400 features Lead Free* construction to comply with
Lead Free* installation requirements.
Features
• Excellent for throttling and balancing applications of non-
abrasive fluids where minimum flow is 20% to 100% of valve
capacity
• Actuator mounting pads
• Durafill
• Blowout proof pressure retaining stem
• High cycle life reinforced PTFE stem packing seal and thrust
• Vinyl insulator on heavy duty, zinc-plated, carbon steel handles
• Adjustable stem packing gland
®
ger lasting seats in high or low temperature applications
washer
(carbon/glass filled PTFE) seats are standard for lon-
®
(carbon/
Contractor
Approval
Contractor’s P.O. No.
Representative
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LFB6400
LFB6400LL
BAA/ARRA Compliant
*This product complies with the Buy American Act and The
American Recovery and Reinvestment Act. For more information,
visit watts.com.
*
Specifications
A 2-piece, standard port, Lead Free* copper silicon alloy ball
valve to be installed as indicated on the plans. Valve shall have
Lead Free* copper silicon alloy body, stainless steel ball, stainless steel blowout proof stem, glass filled PTFE seats, PTFE
stem packing, PTFE stem thrust bearing, and adjustable packing nut. Top loaded stems or valves without adjustable packing
are not acceptable. Pressure rating no less than 600psi (41
bar) WOG non-shock; 150psi (10 bar) WSP for sizes
and 400psi (28 bar) WOG non-shock; 125psi (8.6 bar) WSP for
1
sizes 2
using Lead Free* materials. Lead Free LFB6400 shall comply
with state codes and standards, where applicable, requiring
reduced lead content. Valve must conform to MSS-SP-110
and shall be a Watts Series LFB6400.
Durafill® is a registered trademark of Cargill, Limited.
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 without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
⁄2" – 4". Lead Free* Ball Valves shall be constructed
1
⁄4" – 2"
Pressure – Temperature
Temperature Range: -55°F – 450°F (-49°C – 232°C)
1
⁄4" – 2" (8 – 50mm): 600psi (41 bar) WOG non-shock;
1
2
⁄2" – 4" (65 – 100mm): 400psi (28 bar) WOG non-shock;
Options
Suffix
LL – Lever latches and locks in open and closed
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
positions
@ 50psi (3.4 bar)
150psi (10 bar) WSP
125psi (8.6 bar) WSP
Materials
1
⁄4"-2" (8-50mm)
21⁄2"-4" (65 - 100mm)
A
B
C
D
G
H
E
F
A Handle Nut Zinc Plated Carbon Steel
B Handle Zinc Plated Carbon Steel with Vinyl Insulator
C Packing Nut Brass ASTM B16, C36000
D Stem Packing Glass Reinforced PTFE
E Thrust Washer Glass Reinforced PTFE
F Stem 316 Stainless Steel
G Body Lead Free Copper Silicon Alloy
H Seats Durafill
®
(carbon/glass filled PTFE)
I Ball 316 Stainless Steel
J Adapter Lead Free Brass
Dimensions — Weights
W
H1 (Latch-Lok)
C
SIZE (DN) DIMENSIONS WEIGHT
C E H H1 I L W & W1
Center to Mounting
Handle Center to End Handle Latch-Lok Handle Ball Orifice End to End Ctr. - Ctr.
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kg.
1
⁄4 8 13⁄4 45 11⁄8 29 33⁄4 95 33⁄4 95 1⁄2 13 21⁄4 57 11⁄8 29 .6 .3
3
⁄8 10 13⁄4 45 11⁄8 29 33⁄4 95 33⁄4 95 1⁄2 13 21⁄4 57 11⁄8 29 .6 .3
1
⁄2 15 13⁄4 45 11⁄8 29 33⁄4 95 33⁄4 95 1⁄2 13 21⁄4 57 11⁄8 29 .6 .3
3
⁄4 20 2 51 11⁄2 38 33⁄4 95 43⁄8 111 11⁄16 17 27⁄8 74 13⁄8 35 1.2 .5
1 25 2
1
1
⁄4 32 3 76 2 51 51⁄2 140 61⁄8 156 1 25 37⁄8 98 11⁄8 29 3.3 1.5
1
1
⁄2 40 3 76 21⁄8 53 51⁄2 140 61⁄8 156 11⁄4 32 41⁄4 108 11⁄8 29 4.1 1.9
2 50 3
1
2
⁄2 65 41⁄4 108 31⁄4 83 8 203 8 203 2 51 61⁄2 165 11⁄2 38 12.8 5.8
3 80 4
4 100 5 127 3
H
I
E
L
3
⁄8 60 13⁄4 45 41⁄2 114 41⁄2 114 7⁄8 22 31⁄2 89 13⁄8 35 2.1 1.0
5
⁄8 92 21⁄2 64 8 203 8 203 11⁄2 38 47⁄8 124 11⁄2 38 6.4 2.9
3
⁄8 111 31⁄2 89 8 203 8 203 21⁄2 64 613⁄16 173 11⁄2 38 17.8 8.1
F - 1⁄4" – 1" 10-24 UNC Threads
F1 - 11⁄4" – 4" 1⁄4-20 UNC Threads
7
⁄8 98 11 279 — — 3 76 711⁄16 196 11⁄2 38 32.0 14.5
I
H
J
W1
Panel/Actuator Hole
Valve Seat Rating
bar psi
41.3 600
34.5 500
27.6 400
20.7 300
Pressure
13.8 200
6.9 100
3.4 50
0 0
0 100 200 300 400 500 °F
-18 38 93 149 204 260 °C
Temperature
Valve Torque Rating
SIZE (DN) CV OPERATING TORQUE
in. mm Rating in.-lb. N-m
1⁄4 8 6.3 60 6.8
3
⁄8 10 6.3 60 6.8
1
⁄2 15 15 60 6.8
3
⁄4 20 25 90 10.2
1 25 40 150 16.9
1
1
⁄4 32 50 200 22.6
1
1
⁄2 40 75 250 28.2
2 50 110 320 36.2
1
2
⁄2 65 300 500 56.5
3 80 400 600 67.8
4 100 450 800 90.4
Pressure Drop vs. Flow
bar psi
138 20
69 10
53 8
41 6
28 4
21 3
14 2
7 1
6 .8
4 .6
Pressure Drop
3 .4
2 .3
1 .2
.7 .1
1 3.8
2 7.6
3 11.4
4 15.2
6 22.8
8 30.4
(8-10mm
"
8
⁄
3
-
"
4
⁄
1
20 76
10 38
)
1
30 114
Flow
m
0
(5
400 1520
)
m
)
m
mm )
(65m
"
(80
2
⁄
mm )
1
3"
00
2
(1
4"
600 2280
800 3040
1000 3800
2000 7600
gpm lpm
)
)
m
m
0mm )
2m
0m
(4
(3
(2
(15mm )
"
"
4
2
⁄
⁄
3
40 152
60 228
80 304
1"
(25mm)
100 380
"
"
2
4
⁄
⁄
1
1
2"
1
1
200 760
300 1140
A Watts Water Technologies Company
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
ES-LFB6400 1412 © 2014 Watts
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