Flowserve Valtek Mark One Installation, Operation & Maintenance Instructions Manual

Valtek Mark One and
Mark Two Control Valves

GENERAL INFORMATION

The following instructions are designed to assist in
unpacking, installing and performing maintenance as
required on Valtek ® Mark One and Mark Two control
valves. Product users and maintenance personnel
should thoroughly review this bulletin prior to installing,
operating or performing any maintenance on the valve.
Separate installation, operation, maintenance instruc-
tions cover additional features (such as special trim,
diaphragm actuator, handwheel and extension bonnets).
This publication does not contain information on Valtek
positioners. Refer to the appropriate Installation, Opera-
tion, Maintenance Instructions for installing, maintain-
ing, troubleshooting, calibrating and operating Valtek
positioners.
To avoid possible injury to personnel or dam-
age to valve parts, WARNING and CAUTION
notes must be strictly followed. Modifying this
product, substituting non-factory parts or us-
ing maintenance procedures other than out-
lined could drastically affect performance and
be hazardous to personnel and equipment and
may void existing warranties.
WARNING: Standard industry safety practices
must be adhered to when working on this or any
other process control product. Specifically, per-
sonal protective and lifting devices must be used
as warranted.
Valtek No. 49011
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
NOTE: Selecting the proper fastener material is the
responsibility of the customer. Typically, the supplier
does not know what the valve service conditions or
environment may be. Flowserve's standard body bolt-
ing material is B7/2H. B8 (stainless steel) is optional for
applications more than 800 ° F / 425 ° C and with
stainless steel or alloy body valves. The customer
therefore must consider the material's resistance to
stress corrosion cracking in addition to general corro-
sion. As with any mechanical equipment, periodic
inspection and maintenance is required. For more
information about fastener materials, contact your
Flowserve representative.

Unpacking

1. While unpacking the valve, check the packing list
against materials received. Lists describing valve
and accessories are in each shipping container.
2. When lifting the valve from shipping container, posi-
tion the lifting straps through the yoke legs to avoid
damage to the tubing and mounted accessories.
WARNING: When lifting an actuator with lifting
straps through the yoke legs, be aware that the
center of gravity may be above the lifting point.
Therefore, support must be given to prevent the
actuator from rotating. Failure to do so can cause
serious injury to personnel, damage to the valve
or nearby equipment.
1-1