Watts LFB6400 User Manual
Series lfb6400, Lead free, For commercial and industrial applications
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
®
(carbon/
glass filled PTFE) seats, bottom loaded blowout proof stem,
chrome plated brass ball, and adjustable stem packing to pro-
vide 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
®
(carbon/glass filled PTFE) seats are standard for lon-
ger lasting seats in high or low temperature applications
• Blowout proof pressure retaining stem
• High cycle life reinforced PTFE stem packing seal and thrust
washer
• Vinyl insulator on heavy duty, zinc-plated, carbon steel handles
• Adjustable stem packing gland
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, stain-
less steel blowout proof stem, glass filled PTFE seats, PTFE
stem packing, PTFE stem thrust bearing, and adjustable pack-
ing 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
1
⁄
4
" – 2"
and 400psi (28 bar) WOG non-shock; 125psi (8.6 bar) WSP for
sizes 2
1
⁄
2
" – 4". Lead Free* Ball Valves shall be constructed
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.
For Commercial and Industrial Applications
ES-LFB6400
Job Name –––––––––––––––––––––––––––––––––––––––––––
Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location –––––––––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer –––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative ––––––––––––––––––––––––––––––––––––––––
LFB6400
LFB6400LL
Pressure – Temperature
Temperature Range: -55°F – 450°F (-49°C – 232°C)
@ 50psi (3.4 bar)
1
⁄
4
" – 2" (8 – 50mm): 600psi (41 bar) WOG non-shock;
150psi (10 bar) WSP
2
1
⁄
2
" – 4" (65 – 100mm): 400psi (28 bar) WOG non-shock;
125psi (8.6 bar) WSP
Options
Suffix
LL – Lever latches and locks in open and closed
positions
*This product complies with the Buy American Act and The
American Recovery and Reinvestment Act. For more information,
visit watts.com.
BAA/ARRA Compliant
*
LEAD FREE
*
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 with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
Durafill
®
is a registered trademark of Cargill, Limited.
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.