Watts SVS User Manual download pdf

For Steam Heating Applications

ES-SV

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).

⁄8" (3mm) angle connection

Model SVA

Adjustable air vent for proportional venting to steam heating

systems.

⁄8" (3mm) angle connection

Models SVS-1, SVS-2

Non-adjustable air vents for steam system.

⁄8" and

⁄4" (3 and 8mm) straight connections

Model SVS-3

Straight connection, non-adjustable vent for mains.

⁄2",

⁄4" (15, 20mm)

SVA

SVS-2

Typical Installations

Watts Air

Vent

*See Note

⁄4" (20mm) Nipple

Supply Main

1-Pipe or

dry return

2-Pipe

15" (381mm) Min.

Boiler Water Line

Reducer

Wet

Return

18" (457mm) Min.

Nipple 6" to 10"

(150 to 250mm)

*See Note

Main Vent

Watts

Radiator

Valve

Supply Main

pitch piping down from here

*Add additional

vents as required.

One-Pipe Radiator System

" Fitting

⁄4

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 incur-

ring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

1 2

Summary of Contents

Page 1 - Series SV

For Steam Heating ApplicationsES-SVJob Name –––––––––––––––––––––––––––––––––––––––––––Contractor ––––––––––––––––––––––––––––––––––––––––––––Job Loca

Page 2 - Dimensions

ES-SV 0334 © Watts Regulator Co., 2003 Printed in U.S.A.USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.wattsreg.comCanada: 5435 North Service