Basic Documentation
www.usa.siemens.com/hvac 139
139
Resilient Seat Buttery Valves
Tight shut-off for tighter control of energy costs
Resilient Seat Buttery Valves are now available in sizes up to 20-inches. Excellent for isolation applications,
two-way and three-way Buttery Valves provide 2-position (On/Off), oating and modulating control.
Three-way Buttery Valves are available in a variety of congurations.
This catalog contains information on sizes 2 through 12-inches. For larger sizes, please contact Customer Care.
Valve Size 2-Way 3-Way Pneumatic SR Electronic NSR Electronic In Catalog
2 to 12" • • • 2 to 4" 2 to 12" •
14 to 20" • • • — •
Contact
Customer
Care.
For sizing information
on Buttery Valves,
refer to Reference
section.
Valve Size
in.
Dimensions
Weight
A
B C
1/2"
(15 mm)
2-3/4"
(70 mm)
2-15/16"
(74 mm)
1-5/16"
(33 mm)
1.5 lb.
(0.7 kg)
3/4"
(20 mm)
3-1/4"
(83 mm)
2-3/8"
(59 mm)
1-5/16"
(33 mm)
2.3 lb.
(1.05 kg)
1"
(25 mm)
3-7/8"
(98 mm)
3-15/16"
(99 mm)
1-9/16"
(39 mm)
3.3 lb.
(1.5 kg)