Watts 1116FM Manual de usuario descargar pdf

Series1116FM Angle

Body & Cover: Ductile Iron ASTM A536

Seat (Trim): Stainless Steel CF8M - Xylan Coated

Internals: Stainless Steel S30400 or Ductile Iron

ASTM A536 Fusion Bonded Epoxy

Coated

Stem: Stainless Steel S30400 - Xylan Coated

Spring: Stainless Steel AISI S30200

Elastomers: Buna-N

Control Tubing: Copper

Fittings: Brass

Pressure Relief

Control Body:

Bronze

Materials

Fire Pump Relief Valve

Features

The WATTS ACV 1116FM (Angle) Relief Valve meets all require-

ments for UL listed, FM Approved fire protection service. The

design and features incorporated in the WATTS ACV valves

assure accurate control, dependable performance, and long life.

Function

Automatically maintains a constant pressure in the fire protection

system by relieving excess pressure.

Models

Model 1116FM: Angle Pattern Single Chamber Relief Valve

Operation

The WATTS ACV Model 1116FM PRESSURE RELIEF VALVE

is controlled by a Pressure Relief Control. The Pressure Relief

Control is normally closed, held closed by an adjustable spring

setting to maintain a constant inlet pressure to the main valve.

When upstream pressure increases above the relief set-point,

the Relief Control throttles open, increasing flow through the

control tubing. Pressure is decreased in the main valve cover

chamber, causing the main valve to modulate towards open,

relieving excess upstream pressure. The desired system pres-

sure is maintained.

As the upstream pressure decreases below the relief set-point,

the Relief Control throttles closed, restricting flow through the

control tubing. Pressure is increased in the main valve cover

chamber, causing the main valve to modulate towards closed,

maintaining the desired upstream pressure. Should upstream

pressure drop below and remain below the set-point, the main

valve closes drip tight.

1116FM Angle

CLOSES VALVE

OPENS VALVE

FLOW

Sizes / Approvals

20 - 175 PSI Relief Service

100-300 PSI Relief Service

ANSI End Connections 150, 300, and 300 x 150

Valve Sizes Available in Angle and Globe

3” 4” 6” 8”

UL UL/FM UL/FM UL/FM

ES-ACV-1116FM

Technical Bulletin

Job Name

–––––––––––––––––––––––––––––––––––––––––––

Contractor

––––––––––––––––––––––––––––––––––––––––––––

Job Location

–––––––––––––––––––––––––––––––––––––––––

Approval

–––––––––––––––––––––––––––––––––––––––––––––

Engineer

–––––––––––––––––––––––––––––––––––––––––––––

Contractor’s P.O. No.

––––––––––––––––––––––––––––––––––

Approval

–––––––––––––––––––––––––––––––––––––––––––––

Representative

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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.

1 - Main Valve

2 - PV20C Relief Control

3 - Pressure Gauge

4 - Fixed Orifice

5 - Check Valve

6 - Flo-Clean Strainer

Components

Also Available:

Model 116FM: Globe Pattern Single Chamber Relief Valve

1 2 3 4

Indice de contenidos

Pagina 1 - Series1116FM Angle

Series1116FM AngleBody & Cover: Ductile Iron ASTM A536 Seat (Trim): Stainless Steel CF8M - Xylan CoatedInternals: Stainless Steel S30400 or Duct

Pagina 2 - Installation and Start-up

3000603024027090120150210180INLET150 LB FLANGEOUTLET150 LB FLANGEØ7.875"Ø9.968"Ø13.25"Ø16.00"150 LB FLANGEINLET5 3/4"6 3/4&qu

Pagina 3 - Disassembly/Assembly

Valve Size 150 Outlet 300 Outlet 150 Inlet 300 Inlet 150 Inlet 300 InletA A B B C D D E Fin. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. m

Pagina 4 - Pressure Drop (psi)

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Watts 1116FM Manual de usuario

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