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General Service Control Valve - Valtek FlowTop
The Valtek FlowTop product line is low cost, compact and light-weight. Yet, it is
rugged and can be used safely and confidently in a wide range of general service
applications plant-wide. Its modular design provides trim and material options to
suit most service situations. Simplicity of design reduces maintenance and parts
inventory costs. It is ideally suited for flow and pressure control of liquid and gas
media in oil and gas, power, chemical and petrochemical processing and related
industries. The Valtek FlowTop control valve package provides flow rates, control
accuracy and reliability at levels comparable to special engineered service control
valves, but at a significantly lower cost. The Valtek FlowTop is manufactured to ISO
9001 standards.
The following instructions are designed to assist in unpacking, installing and per-
forming maintenance as required on Flowserve Valtek FlowTop control valves. This
instruction manual does not include specific product design data. Such data can
be found on the valve's serial plate or specification documents; additionally, dimen-
sional information can be found in the Valtek FlowTop technical bulletin. Procure
needed documents as necessary before you begin any work on the valve.
User Instructions cannot deal with all possible situations and installation options.
It is required that only trained and qualified technicians are authorized to adjust,
repair or work on control valves, actuators, positioners and other accessories.
Review this bulletin prior to installing, operating or performing any maintenance on
the valve. Additional Installation, Operation, and Maintenance Instructions (IOMs)
cover other features (actuators, handwheels, packing and positioners).
To avoid possible injury to personnel or damage to valve parts, WARNING and
NOTICE indicators must be strictly followed. Modifying this product, substituting
non-factory parts or using maintenance procedures other than outlined could
drastically affect performance and be hazardous to personnel and equipment and
may void existing warranties. This manual should be used in conjunction with
applicable local and national laws. Failure to comply with User Instructions will
render the manufacturer's guarantee and liability null and void. Unless otherwise
agreed, the manufacturer's general terms and conditions of sale shall apply.
Read the user instructions carefully before use.
Contents
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Keep for future reference.
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13 Disassembly and Reassembly 12 - 19
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4 - 5
5 - 7
Valtek FlowTop
General Service Valve
7 - 8
8 - 10
10 - 11
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22 - 23
FCD VLENIM8610A4 11/18
Figure 1: Valtek FlowTop with Standard Bonnet
Figure 2: Valtek FlowTop with Bellows Seal
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