User guide
Pressure Drop
Temperature
Pressure
Pressure Drop vs. Flow
Flow
bar psi
41 600
34 500
28 400
21 300
14 200
7 100
3 50
Valve Seat Rating
100 200 300 400 500°F
38 93 149 204 260°C
Materials
A Handle Nut Zinc plated carbon steel
B Handle Zinc plated carbon steel with vinyl insu-
lator
C Packing Nut Brass ASTM B16, C36000
D Stem Packing Glass reinforced PTFE
E Thrust Bearing Glass reinforced PTFE
F Stem 316 Stainless steel
G Body Lead Free* Brass
H Seats Carbon/Glass reinforced PTFE Durafill
®
I Ball 316 Stainless steel
J Adapter Lead Free* Brass
K Body Bolts & Nuts Zinc plated carbon steel
L Body Seals PTFE
Dimensions — Weights
LFB6800
SIZE WEIGHT
C H I L
Center to Radius of
Handle Handle Ball Orifice End to End
in. in. mm in. mm in. mm in. mm Lbs. Kg.
1
⁄4 1
3
⁄4 44 3
7
⁄8 98
3
⁄8 10 2
3
⁄8 60 1.1 .5
3
⁄8 1
3
⁄4 44 3
7
⁄8 98
3
⁄8 10 2
3
⁄8 60 1.1 .5
1
⁄2 1
3
⁄4 44 3
7
⁄8 98
1
⁄2 13 2
3
⁄8 60 1.1 .5
3
⁄4 2
1
⁄4 57 4
1
⁄2 114
3
⁄4 19 3
1
⁄4 83 2.5 1.1
1 2
3
⁄4 70 6
1
⁄8 156 1 25 3
7
⁄8 98 4.1 1.9
1
1
⁄4 3 76 6
1
⁄8 156 1
1
⁄4 32 4
1
⁄2 114 6.3 2.9
1
1
⁄2 3
1
⁄2 89 8 203 1
1
⁄2 38 5 127 9.3 4.2
2 3
7
⁄8 98 8 203 2 51 6
5
⁄8 168 13.8 6.3
LFB6801**
1
⁄2 1
3
⁄4 44 3
7
⁄8 98
1
⁄2 13 2
3
⁄8 60 1.1 .5
3
⁄4 2
1
⁄4 57 4
1
⁄2 114
3
⁄4 19 3
1
⁄4 83 2.5 1.1
1 2
3
⁄4 70 6
1
⁄8 156 1 25 3
7
⁄8 98 4.1 1.9
1
1
⁄4 3 76 6
1
⁄8 156 1
1
⁄4 32 4
1
⁄2 114 6.3 2.9
1
1
⁄2 3
1
⁄2 89 8 203 1
1
⁄2 38 5 127 9.3 4.2
2 3
7
⁄8 98 8 203 2 51 6
5
⁄8 168 13.8 6.3
**See solder instructions on front.
L
H
C
I
SIZE TORQUE
in. in.-lbs. n-m Cv
1
⁄4-
3
⁄8 60 6.8 6
1
⁄2 60 6.8 15
3
⁄4 150 16.9 30
1 200 22.6 60
1
1
⁄4 250 28.2 110
1
1
⁄2 320 36.2 130
2 500 56.5 360
A
B
C
D
G
E
F
J
K
L
H
I
H
L
J
1
⁄4"– 1"
1
1
⁄4" – 2"
ES-LFB6800 1323 © 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company