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Emerson Fisher T208 Series Instruction Manual

Emerson Fisher T208 Series Instruction Manual

Tank blanketing vapor recovery regulator
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Instruction Manual
D103752X012
September 2020
T208 Series Tank Blanketing Vapor
Recovery Regulators

Table of Contents

Introduction .................................................................. 1
Specifications .............................................................. 2
Principle of Operation .................................................. 2
Installation ................................................................... 4
Startup, Adjustment and Shutdown ............................. 5
Maintenance ................................................................ 6
Parts Ordering ............................................................. 8
Parts List...................................................................... 9
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion,
fire and/or chemical contamination
causing property damage and personal
injury or death.
Fisher™ Vapor Recovery regulators must
be installed, operated, and maintained
in accordance with federal, state and
local codes, rules and regulations, and
Emerson Process Management Regulator
Technologies Inc. (Emerson) instructions.
If the regulator discharges process
fluid or a leak develops in the system,
service to the unit may be required.
Failure to correct trouble could result in
a hazardous condition.
Call a qualified service person to service
the unit. Installation, operation and
maintenance procedures performed
WARNING
Figure 1. Type T208 Tank Blanketing Vapor Recover Regulator
by unqualified person may result
in improper adjustment and unsafe
operation. Either condition may result in
equipment damage or personal injury.
Only a qualified person shall install or
service the T208 Series vapor
recovery regulator.

Introduction

Scope of the Manual
This Instruction Manual provides instructions for
installation, startup, maintenance and parts ordering
information for the T208 Series vapor recovery
regulators. Instructions and parts list for other
equipment used with these regulators are found in
separate manuals.
T208 Series

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Summary of Contents for Emerson Fisher T208 Series

  • Page 1: Table Of Contents

    Introduction local codes, rules and regulations, and Emerson Process Management Regulator Scope of the Manual Technologies Inc. (Emerson) instructions. If the regulator discharges process This Instruction Manual provides instructions for...
  • Page 2: Specifications

    2. See Table 4 for operating temperature ranges for available trim combinations. 3. Special low temperature constructions for process temperatures between -76 to 180°F / -60 to 82°C are available by request. The low temperature construction passed Emerson laboratory testing for lockup and external leakage down to -76°F / -60°C.
  • Page 3 T208 Series PIPE PLUG ORIFICE LEVER STEM DISK DIAPHRAGM BACK DISK SPRING CONTROL SPRING TYPE Y602-1 VENT INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE Figure 2. Type T208 with Internal Registration Operational Schematics STEM SEAL O-RING CONTROL LINE CONNECTION ORIFICE LEVER DISK DIAPHRAGM THROAT SEAL...
  • Page 4: Installation

    T208 Series Table 1. Body Sizes, End Connection Styles and Maximum Allowable Inlet (Casing) Pressures BODY SIZE MAXIMUM ALLOWABLE INLET (CASING) PRESSURE END CONNECTION BODY MATERIAL STYLES psig Gray cast iron WCC Carbon steel 3/4 or 1 20 or 25 NPT, CL150 RF, CL300 RF, LCC Carbon steel or PN 16/25/40 RF...
  • Page 5: Startup, Adjustment And Shutdown

    T208 Series Startup 4. To remotely vent the regulator, remove the vent assembly (key 26) and install obstruction-free 1. Slowly open the outlet block valve, if used, to tubing or piping into the 1/4 NPT vent tapping. vapor recovery system and leave it fully open. Provide protection on a remote vent by installing a screened vent cap into the remote end of the 2.
  • Page 6: Maintenance

    Due to the 3. To inspect the orifice (key 5) on Types T208 and care Emerson takes in meeting all manufacturing T208M or throat seal O-ring (key 31) and machine requirements (heat treating, dimensional tolerances, screw (key 34) on the Type T208M, remove the etc.), use only replacement parts manufactured or...
  • Page 7 T208 Series Note 3. Take out the control spring (key 6) and replace with the desired spring. In the following steps, be sure to install the spring case barrel pointed down as 4. Reinstall the upper spring seat (key 19), closing shown in Figure 1.
  • Page 8: Parts Ordering

    T208 Series To Convert Constructions 7. Reassemble the diaphragm parts as follows: • Pusher post (key 8) From Type T208 to Type T208M • Diaphragm head gasket (key 45) • Diaphragm head (key 7) A control line is needed. New parts required: keys 30, •...
  • Page 9: Parts List

    T208 Series Parts List Description Part Number Description Part Number Guide Insert, Stainless steel 27B4028X022 Spare Parts Kit, included are keys 9, 10, 11, 12, 25, 42 and 45 Upper spring seat , Steel 1J618124092 Lock Nut 1A413224122 (see Table 4 for Trim Option Codes) Standard Trim RT208XXDD12 Closing Cap...
  • Page 10 T208 Series TORQUE: 14 TO 19 IN-LBS / 1.6 TO 2.1 N•m TORQUE: TORQUE: 340 TO 470 IN-LBS / 38.5 TO 53.1 N•m 60 TO 72 IN-LBS / 6.8 TO 8.1 N•m ERSA02737 APPLY LUBRICANT (L) L1 = SILICONE GREASE L2 = ANTI-SEIZE COMPOUND 1.
  • Page 11 T208 Series TORQUE: 14 TO 19 IN-LBS / 1.6 TO 2.1 N•m TORQUE: TORQUE: 340 TO 470 IN-LBS / 38.5 TO 53.1 N•m 60 TO 72 IN-LBS / 6.8 TO 8.1 N•m ERSA02738 APPLY LUBRICANT (L) L1 = SILICONE GREASE L2 = ANTI-SEIZE COMPOUND 1.
  • Page 12 Technologies, Inc. All rights reserved. 09/20. Emerson Automation Solutions The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher™ is a mark owned by Fisher Controls International LLC, a business...

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Fisher t208m series