Series SV - Watts Water Technologies
ES-SV
For Steam Heating Applications Job Name –––––––––––––––––––––––––––––––––––––––––––
Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative –––––––––––––––––––––––––––––––––––––––––
Series SV Non-Vacuum Float Type, Steam Air Vents Series SV Non-Vacuum Float Type Steam Air Vents are designed to vent air on non-vacuum steam heating systems. Used on radiators, convectors and steam mains.
Model SV For ordinary one-pipe steam systems not requiring proportional venting, (Non-Adjustable).
SVA
1
⁄8" (3mm) angle connection
SVS-2
Model SVA Adjustable air vent for proportional venting to steam heating systems.
Typical Installations
1
⁄8" (3mm) angle connection One-Pipe Radiator System
Models SVS-1, SVS-2 Non-adjustable air vents for steam system. 1
⁄8" and 1⁄4" (3 and 8mm) straight connections
Model SVS-3
Watts Air Vent
Watts Radiator Valve
Straight connection, non-adjustable vent for mains. 1
⁄2", 3⁄4" (15, 20mm) pitch piping down from here Supply Main
3
⁄4 " Fitting
Main Vent
*See Note 3
*See Note Nipple 6" to 10" (150 to 250mm)
⁄4" (20mm) Nipple
Supply Main 1-Pipe or dry return 2-Pipe 15" (381mm) Min.
18" (457mm) Min.
Boiler Water Line
*Add additional vents as required.
Reducer
Wet Return
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.
Materials of construction
Model SVA Adjustable Features
Float: Brass
Top View Setting
Body: Brass
Pressure Model SVA Maximum operating pressure 1.5psi (10.3 kPa).
Actual Port Opening
Maximum pressure 10psi (68.0 kPa). Model SV, SVS-1, SVS-2, and SVS-3 Maximum operating pressure 6psi (41.3 kPa). Maximum pressure 10psi (68.9 kPa). • Fast Venting Full open or 7⁄8 port for the radiation farthest from the boiler or hard to heat radiation (coldest rooms). • Medium Venting ⁄2 or 3⁄4 port for radiation located between middle and end of
1
main (warm rooms). • Slow Venting ⁄8 or 1⁄4 port for radiation located closest to boiler (hot rooms).
1
Dimensions
SV, SVA
31⁄8" (81mm)
37⁄16" (89mm)
13⁄4" (43mm)
SVS-3
SVS-1, SVS-2
37⁄16" (89mm)
11⁄4 (32mm)
11⁄4" (32mm)
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca ES-SV 0334
© Watts Regulator Co., 2003
Printed in U.S.A.
For Steam Heating Applications Job Name –––––––––––––––––––––––––––––––––––––––––––
Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative –––––––––––––––––––––––––––––––––––––––––
Series SV Non-Vacuum Float Type, Steam Air Vents Series SV Non-Vacuum Float Type Steam Air Vents are designed to vent air on non-vacuum steam heating systems. Used on radiators, convectors and steam mains.
Model SV For ordinary one-pipe steam systems not requiring proportional venting, (Non-Adjustable).
SVA
1
⁄8" (3mm) angle connection
SVS-2
Model SVA Adjustable air vent for proportional venting to steam heating systems.
Typical Installations
1
⁄8" (3mm) angle connection One-Pipe Radiator System
Models SVS-1, SVS-2 Non-adjustable air vents for steam system. 1
⁄8" and 1⁄4" (3 and 8mm) straight connections
Model SVS-3
Watts Air Vent
Watts Radiator Valve
Straight connection, non-adjustable vent for mains. 1
⁄2", 3⁄4" (15, 20mm) pitch piping down from here Supply Main
3
⁄4 " Fitting
Main Vent
*See Note 3
*See Note Nipple 6" to 10" (150 to 250mm)
⁄4" (20mm) Nipple
Supply Main 1-Pipe or dry return 2-Pipe 15" (381mm) Min.
18" (457mm) Min.
Boiler Water Line
*Add additional vents as required.
Reducer
Wet Return
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.
Materials of construction
Model SVA Adjustable Features
Float: Brass
Top View Setting
Body: Brass
Pressure Model SVA Maximum operating pressure 1.5psi (10.3 kPa).
Actual Port Opening
Maximum pressure 10psi (68.0 kPa). Model SV, SVS-1, SVS-2, and SVS-3 Maximum operating pressure 6psi (41.3 kPa). Maximum pressure 10psi (68.9 kPa). • Fast Venting Full open or 7⁄8 port for the radiation farthest from the boiler or hard to heat radiation (coldest rooms). • Medium Venting ⁄2 or 3⁄4 port for radiation located between middle and end of
1
main (warm rooms). • Slow Venting ⁄8 or 1⁄4 port for radiation located closest to boiler (hot rooms).
1
Dimensions
SV, SVA
31⁄8" (81mm)
37⁄16" (89mm)
13⁄4" (43mm)
SVS-3
SVS-1, SVS-2
37⁄16" (89mm)
11⁄4 (32mm)
11⁄4" (32mm)
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.com Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca ES-SV 0334
© Watts Regulator Co., 2003
Printed in U.S.A.
