BOSSCO 2C Manual de usuario

OPERATION AND MAINTENANCE MANUAL FOR

BOSS™ FIG. 20 TYPE 2C FIRE HYDRANT

CONTENTS

Purpose, Features & Scope of Application

Standards Met

Performance

Specifications

Dimensions

Materials of Construction

Transportation and Storage

Handling

Maintenance

Installation and Use

Warranty

PURPOSE, FEATURES AND

SCOPE OF APPLICATION

The Fig. 20 fire hydrant is suitable for use with clean water and

neutral liquids, to a maximum temperature of 80 °C. Minimum liquid

temperature must be above freezing. Insulation is essential for

external temperatures below 0 °C. It is rated for a maximum

working pressure of 16 bar unless otherwise agreed and deliver a

maximum of 2094 litres per minute at 2.0 bar.

They are supplied clockwise to close as denoted by a direction

arrow on the stem cap. The number of turns from fully closed to

fully open is 6.5.

Opening and closing is normally done by a standard tee key or ring

key and bar located on the stem cap.

STANDARDS MET

BS750

EN1074-6

BS EN14339

WRAS

PERFORMANCE

Flange Type

Actual Flow Rate

Operating

Temperature

Range

80mm Multi

Flanged PN16

2094 l/min @ 2 bar

116

0 to +80°c

SPECIFICATION

DIMENSIONS

Dimensions (mm)

Weight

Inch

ø1

ø2

N1-M1

N2-M2

10/16

289.5

141.5

106

235

303

146

160

4 @ 18

8 @ 19

16.5

MATERIALS OF CONSTRUCTION

No.

Part

Material

BSEN

No.

Part

Material

Body

Cast Iron

EN-JS 1040

M8 x 30mm Bolt

Stainless Steel

M8 x 16mm

Screw

Stainless

Steel

Axle Sleeve

Nylon

Plate

Stainless

Steel

Positioning Ring

Stainless Steel

Sealing

Pad

EPDM

Outlet Cap

Stainless Steel

Clapper

Cast Iron

EN-JS1040

Round Thread Outlet

Stainless Steel

Stem Nut

Brass

CW602N-H070

M12 x 30mm Bolt

Stainless Steel

O Ring

NBR

Wire Rope

Stainless Steel

M12 x

35mm Bolt

Stainless

Steel

Aluminium Sleeve

Aluminum

Alloy

Bonnet

Cast Iron

EN-JS1040

O Ring

NBR

35 x1mm

Flat

Washer

Stainless

Steel

Retainer

Stainless Steel

O Ring

NBR

Auto Frost Valve

Nylon

Gland

Cast Iron

EN-JS1040

O Ring

NBR

O Ring

NBR

M4 x 6mm Bolt

Stainless Steel

Stem Cap

Cast Iron

EN-JS1040

Stem

Stainless Steel

Indicator

Cap

ABS

M10 x 25mm Bolt

Stainless Steel

TRANSPORTATION AND STORAGE

All valves should be inspected at the time of delivery for shipping

damage, missing parts, and conformance with the specifications

The valves should be stored in a sheltered area, or covered to

prevent contamination by the weather or dirt. The valves should be

stored evenly supported on a flat surface. End cap protectors

should be in place when the valves are in storage.

HANDLING

If handled incorrectly the autofrost plug can be dislodged.

Therefore they should be lifted and handled by placing a hand

under the outlet flange rather than the bend/boss.

Hydrants are heavy so always use appropriate lifting devices to

avoid injuries. It is essential that staff undertaking these operations

are adequately trained to avoid accidents.

MAINTENANCE

To prevent injury to the operator or damage to the hydrant

and/or property the hydrant must be isolated and line pressure

removed.

Frequency of maintenance inspections should be based

upon the operational characteristics of the system. As a minimum

an annual inspection is recommended.

During the inspection the following should be checked.

1. All end joints, cover joints and packing for leaks.

2. Tightness of the bolts.

INSTALLATION AND USE

Before use, the hydrant needs to be cleaned so as to remove dirt.

The closing mechanism should be checked to ensure freedom of

movement and proper operation. Prepare the pipe ends as per the

manufacturer's instructions and install the hydrant as per

appropriate instructions for the specified joint.

All pipework should be properly supported to the hydrant. Do not

use the hydrant to force the pipework into position. Standard

wrenches and/or sockets are to be used to tighten all nuts and

bolts. All bolts are to be tightened in a star pattern.

WARRANTY

12 months

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