Marwin-valve 3T3700 Series 3-Way Ball Valve Manuel d'utilisateur télécharger pdf

3170 Wasson Road • Cincinnati, OH 45209 USA

Phone 513-533-5600 • Fax 513-871-0105

[email protected] • www.marwinvalve.com

I & M 3T3700/3L3800 Series

Installation & Maintenance Instructions for Marwin

3T3700/3L3800 Series Three Way 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 qualied 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 in-

structions 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 customers

in the storage, installation, and maintenance of Marwin

3T3700/3L3800 Series Three Way Ball Valves. Subse-

quent additions or special instructions will be provided

for special ball valves, critical service, or customer re-

quirements.

Applicability

This manual is applicable to the 3T3700/3L3800 Series

Marwin three way ball valves.

Caution

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 rat-

ing 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 uids.

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 adequately

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 immedi-

ate 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 2.

time.

In order to prevent damage, protective plastic cov-3.

ers on valve ends should not be removed until im-

mediately prior to installation.

It is advisable to store the valves in waterproof 4.

conditions. Ball valves should be protected to safe-

guard 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.

Maintenance During Storage Period

Internal surface should be inspected to check for 

dust or other foreign objects.

Rust or dust must be removed by cleaning with 

1 2 3

Résumé du contenu

Page 1 - Applicability

3170 Wasson Road • Cincinnati, OH 45209 USAPhone 513-533-5600 • Fax [email protected] • www.marwinvalve.comI & M 3T3700/3

Page 2 - Port Conguration

proper solvent.After cleaning, ball valves must be lubricated with an adequate lubricant.Ball valves should be operated for at least two com-plete

Page 3 - Troubleshooting

MaintenanceBefore starting maintenance, please read information contained in the Caution Section of the manual.Open and close the ball valve at least

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Marwin-valve 3T3700 Series 3-Way Ball Valve Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Équipement pour l'eau Marwin-valve 3T3700 Series 3-Way Ball Valve. Marwin Valve 3T3700 Series 3-Way Ball Valve User Manual Manuel d'utilisatio

Résumé du contenu

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