Marwin-valve 3000 Series Fire Safe Ball Valve Bedienungsanleitung PDF herunterladen

3170 Wasson Road • Cincinnati, OH 45209 USA

Phone 513-533-5600 • Fax 513-871-0105

[email protected] • www.marwinvalve.com

I & M 3000 Series

Installation & Maintenance Instructions for

Marwin 3000 Series Three Piece Ball Valves

Warning: Marwin Valve ball valves must only be used, installed and repaired in accordance with these Installation & Maintenance Instructions.

Observe all applicable public and company codes and regulations. In the event of leakage or other malfunction, call a qualiﬁed service person;

continued operation may cause system failure or a general hazard.

Please read these instructions carefully!

Your Marwin Valve product will provide you with long,

trouble-free service if it is correctly installed and main-

tained. Spending a few minutes now reading these

instructions can save hours of trouble and downtime

later. When making repairs, use only genuine Marwin

Valve parts, available for immediate shipment from the

factory.

Scope

This manual is intended as a guide to assist custom-

ers in the storage, installation, and maintenance of

Marwin 3000 Series ball valves. Subsequent additions

or special instructions will be provided for special

valves, critical service or customer requirements.

Applicability

This manual is applicable to the 3000F/R Series Marwin

three piece ball valves.

Caution

To help prevent injury to personnel or damage to

equipment, please read this section completely before

performing any operations.

Valve pressure ratings are based on many vari-1.

ables, including valve series and size, as well as

body, seat and bolt material. Verify that application

does not exceed the pressure or temperature rating

on the nameplate.

Always2. depressurize the line with the valve in the

open position before disassembly. Cycle valve in

depressurized line before removing valve.

Wear protective equipment and take appropriate 3.

precautions to safeguard against injury caused by

the discharge of trapped ﬂuids.

Use only Marwin recommended spare parts for 4.

maintenance.

To ensure safety and maintain warranty, never 5.

modify valve in any way without prior approval from

Marwin.

Storage

A petroleum-based oil (silicone free) is used as lubrica-

tion on all internal surfaces. This may be removed with

a solvent if found objectionable. All valves are adequate-

ly packed in a strong cardboard case in such a way

as to avoid any possible damage during transport and

storage.

Caution: if ball valves are not destined for immediate

use, the following precautions should be taken:

If possible, leave the ball valves in their packing 1.

cases during the period of storage.

Ball valves must remain in open position during this time.2.

In order to prevent damage, protective plastic 3.

covers on valve ends should not be removed until

immediately prior to installation.

It is advisable to store the valves in waterproof con-4.

ditions. Ball valves should be protected to safeguard

against humidity, moisture, dust, dirt sand, mud, salt

spray and seawater.

All valves complete with actuators are to be stored 5.

in dry conditions.

Valves to be stored for a long period of time should 6.

be checked by the quality control personnel every

six months; every three months when valves are

automated.

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1 2 3 4

Inhaltsverzeichnis

Seite 1 - Applicability

3170 Wasson Road • Cincinnati, OH 45209 USAPhone 513-533-5600 • Fax [email protected] • www.marwinvalve.comI & M 3000 Ser

Seite 2 - Maintenance

Maintenance During Storage PeriodInternal surface should be inspected to check for •dust or other foreign objects.Rust or dust must be removed by cle

Seite 3 - Troubleshooting

replaced by qualiﬁed personnel following the instructions of this manual.For further information, please refer to 3. SPARE PARTS LIST.Valve Disassemb

Seite 4 - Exploded View

3170 Wasson Road • Cincinnati, OH 45209 USAPhone 513-533-5600 • Fax [email protected] • www.marwinvalve.comBulletin IM-3000-0

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Marwin-valve 3000 Series Fire Safe Ball Valve Bedienungsanleitung

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