Emerson Fisher RSS Instruction Manual
Instruction Manual
D101299X012
Fisherr RSS Lined Globe Valve
RSS Valve
September 2014
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 1.................................
Educational Services 2.........................
Specifications 3...............................
Installation 3..................................
Maintenance 5.................................
Packing Maintenance 8.........................
Replacing Packing and Bushing Inserts 8..........
Trim Maintenance 11..........................
Disassembly 11............................
Assembly 12..............................
Parts Ordering 13...............................
Parts List 13...................................
Figure 1. Fisher RSS Valve with 667 Actuator
and FIELDVUE™ DVC6200 Digital Valve Controller
W9164-2
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for NPS 1 through NPS 4 Fisher RSS
lined globe valves. Refer to separate manuals for instructions covering the actuator, positioner, and accessories.
Description
The RSS lined globe-style valve (figure 1) has pure-modified PTFE trim parts, push-down-to- close action, and positive
shutoff. This valve is intended for applications involving severely corrosive and toxic flowing media, and is well-suited
for pure media applications, as well. The RSS valve body provides an economical alternative to alloy valve bodies in a
wide variety of applications.
Do not install, operate, or maintain an RSS valve without being fully trained and qualified in valve, actuator, and
accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to
carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you
have any questions about these instructions, contact your Emerson Process Management sales office before
proceeding.
www.Fisher.com
RSS Valve
September 2014
Table 1. Specifications
Instruction Manual
D101299X012
Valve Sizes
NPS J 1, J 1-1/2, J 2, J 3, and J 4
Application Limits
Liquid Service: For cavitating applications, contact
your Emerson Process Management sales office
Face-To-Face and Flange Compatibility
Gas Service: Velocity ± 0.33 MACH
DUCTILE IRON
VALVE SIZE,
NPS
ASME
1
1-1/2
2
3
4
1.ForANSI/ISAface-to-facedimensions,seefigure9.
2.ForENface-to-facedimensions,seefigure9.
Raised-Face Flange
CL150 CL300
(1)
X
X
X
X
X
Face-To-Face
(2)
EN
X
X
X
X
X
ASME
X
X
X
---
---
(1)
Maximum Inlet Pressures and Temperatures
(1)
EN
(2)
---
---
---
---
---
Temperature Capabilities
Positive Pressure Service: -29 to 180_C
(-20 to 360_F)
Vacuum Service: -29 to 180_C (-20 to 360_F)
Standard Flow Characteristic/Valve Plug Style
Equal percentage
Flow Direction
Up through the seat ring (see figure 7)
See table 2
Downstream/Outlet Pressure Ratings
(1)
See figures 3 and 4
Shutoff Classification
Class VI per ANSI/FCI 70-2 and IEC 60534-4
1. The pressure or temperature limits in this manual,and any applicable standard limitations should not be exceeded.
Packing Arrangement
Braided PTFE rings
Dimensions and Weights
Seefigure9
Table 2. Maximum Allowable Inlet Pressures and Temperatures
TEMPERATURE, _C
-29 to 38
93
149
180
1. Includes valves with CL300 flanges.
PRESSURE, BAR
Ductile Iron Ductile Iron
19.7
17.9
15.9
14.8
(1)
TEMPERATURE, _F
-20 to 100
200
300
360
PRESSURE, PSIG
285
260
230
215
Educational Services
For information on available courses for Fisher RSS valves, as w ell as a variety of other products, contact:
Emerson Process Management
Educational Services - Registration
Phone: 1-641-754-3771 or 1-800-338-8158
E-mail: education@emerson.com
http://www.emersonprocess.com/education
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Instruction Manual
D101299X012
RSS Valve
September 2014
Specifications
SpecificationsfortheRSSvalveareshownintable1.Ifthevalveisshippedwiththeactuator,someofthevalve
specifications are on the valve nameplate, which is attached to the actuator. If the valve is shipped without the
actuator, the valve nameplate is wired to the valve.
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal
injury.
Personal injury or equipment damage caused by sudden release of pressure can result if the valve is installed where service
conditions could exceed the limits given on the nameplate or in table 1 or 2, or figure 3 or 4. To avoid such injury or
damage, use pressure-limiting or pressure-relieving devices to prevent service conditions from exceeding these limits.
Check with your process or safety engineer for any other hazards that may be present from exposure to process media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
CAUTION
When ordered, the valve configuration and construction materials are selected to meet particular pressure, temperature,
pressure drop, and controlled fluid conditions. Since some valve body/trim material combinations are limited in their
pressure drop and temperature ranges, do not apply any other conditions to the valve without first contacting your
Emerson Process Management sales office.
CAUTION
Before installing the valve, inspect it to be certain that the valve cavity is free of foreign material. Use extra care in handling
to avoid damage to the exposed lining on the flanges. Clean out all pipelines to remove scale, welding slag, and any other
foreign materials that could cause erosion of the valve body lining.
Use accepted piping practices when installing the valve in the pipeline. To minimize valve damage caused by expansion of
PTFE lined pipe, use a line flange gasket (figure 2). This gasket evenly distributes the piping loads across the valve flange
face and minimizes the potential for cutting or indenting the lined face on the valve flange.
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RSS Valve
September 2014
Instruction Manual
D101299X012
1. The control valve assembly should be installed in a horizontal pipeline with the valve stem in a vertical position.
Before installing in any other orientation, consult your Emerson Process Management sales office.
Flowthroughthevalvemustbeinthedirectionindicatedbythearrowcastonthevalve(figure7).
2. With a leak-off bonnet construction, remove the pipe plug (key 20, not shown) and install the leak-off piping into
thetappinginthebonnet(key2,figure10).
3. If continuous operation is required during inspection or maintenance, install a three-way bypass around the control
valve assembly.
4. For a valve used with a fail-closed actuator, remove the shim (key 24, not shown) from between the bonnet and the
travel stop. Discard the shim.
5. If the actuator and valve are shipped separately, refer to the appropriate actuator instruction manual for t he
actuator mounting procedure.
Note
Bench sets for Fisher 657 and 667 actuators must be adjusted after installation on the RSS valve. The heavy duty bellows on the
RSSvalvehasasignificantspringratethatmustbe included in the bench set for proper operation.
Figure 2. Typical Line Flange Gasket (Key 17)
A
PTFE
COMPOSITION
SECTION A-A
10B3224-C
A5039
STAINLESS STEEL
A
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Instruction Manual
D101299X012
RSS Valve
September 2014
Maintenance
Valve parts are subject to normal wear and must be inspected and replaced as necessary. Inspection and maintenance
frequency depends on the severity of service conditions. This section includes instructions for packing and trim
replacement. All these maintenance operations may be performed with the valve in the line.
WARNING
Avoid personalinjury or property damage from sudden release of process pressure or bursting of parts. Before performing
any maintenance operations:
D Do not remove the actuator from the valve while the valve is still pressurized.
D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal
injury.
D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the
actuator cannot suddenly open or close the valve.
D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure
from both sides of the valve. Drain the process media from both sides of the valve.
D Vent the power actuator loading pressure and relieveany actuator spring precompression.
D Use lock-out procedures to be sure that the above measures stay in effect while you work on the equipment.
D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the
pipeline. Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when
loosening the packing box pipe plug.
D Check with your process or safety engineer for any other hazards that may be present from exposure to process media.
Note
Whenever a line flange gasket (figure 2) seal is disturbed by removing the valve from the line, install a new gasket on reassembly.
This is necessary to ensure a good gasket seal.
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