Emerson Fisher 627B Series Скачать руководство пользователя страница 12

35

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ERAA49929_AB

D104602X012 © 2021 Emerson Process Management Regulator 

Technologies, Inc. All rights reserved. 12/21. 

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 

of Emerson Automation Solutions.
The contents of this publication are presented for informational purposes 

only, and while every effort has been made to ensure their accuracy, 

they are not to be construed as warranties or guarantees, express or 

implied, regarding the products or services described herein or their use 

or applicability. All sales are governed by our terms and conditions, which 

are available upon request. We reserve the right to modify or improve the 

designs or specifications of such products at any time without notice.

Emerson Process Management Regulator Technologies, Inc does not 

assume responsibility for the selection, use or maintenance of any product. 

Responsibility for proper selection, use and maintenance of any Emerson 

Process Management Regulator Technologies, Inc. product remains solely 

with the purchaser.

APPLY LUBRICANT

(1)

L1 = MULTI-PURPOSE LITHIUM POLYMER TYPE GREASE

L2 = EXTREME LOW-TEMPERATURE BEARING GREASE

T1 = APPLY THREADLOCK

1. Lubricants must be selected such that they meet the temperature requirements.

Figure 8.

 Type 627BHM Regulator Assembly

627B Series

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Americas 

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Содержание Fisher 627B Series

Страница 1: ...pecifications section Tables 1 and 2 or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as required by the appropriate code regulation or standard to prevent service conditions from exceeding those limits Additionally physical damage to the regulator could cause personal injury o...

Страница 2: ...agm Casing Pressure 1 See Table 2 Maximum Body Outlet Pressure 1 Types 627BM 627BMR and 627BHM only NPT Steel 2000 psig 138 bar Flanged Steel 1500 psig 103 bar Ductile iron 1000 psig 69 0 bar Orifice Size 9 16 in 14 3 mm Internal Relief Performance Type 627BMR Limited by field installed control line piping Elastomer Temperature Capabilities 1 2 Flow Coefficients See Table 3 Pressure Registration T...

Страница 3: ...ves away from the orifice Remote Vent Line Installation All 627B Series Regulators have a vent assembly installed in the 3 4 NPT spring case vent opening The vent assembly can be removed to install a remote vent line if necessary Remote vent lines must have the largest practical diameter It should be as short as possible with minimum number of bends or elbows Protect the remote vent opening agains...

Страница 4: ...re should be limited to approximately 100 psig 6 9 bar so the setpoint adjustment can be obtained 3 Only available with 9 16 in 14 3 mm orifice If a smaller orifice is installed the unit will not achieve published capacities Table 2 Maximum Spring and Diaphragm Casing Pressure 1 MAXIMUM PRESSURE DESCRIPTION DIAPHRAGM CASING MATERIAL TYPE 627BM TYPE 627BMR TYPE 627BHM psig bar psig bar psig bar Max...

Страница 5: ...startup release downstream pressure to prevent an overpressure condition on the diaphragm of the regulator In order to avoid an overpressure condition and possible equipment damage pressure gauges should always be used to monitor pressures during startup 1 Slowly open the upstream shut off valve 2 Slowly open the downstream shut off valve 3 Check all connections for leaks 4 Make final control spri...

Страница 6: ...e diaphragm casing O ring and stem assembly All pressure must be released from the diaphragm casing before performing these steps While using the following procedures refer to Figures 6 through 8 for key number locations Replacing the Disk Assembly and Orifice 1 To inspect and replace the disk assembly key 9 or orifice key 2 remove the cap screws key 36 and separate the diaphragm casing key 5 from...

Страница 7: ...8 To assemble stem assembly insert stem key 10 into stem guide key 8 19 Apply a small amount of threadlock to the spring seat retainer key 78 Compress spring key 79 with spring seat key 77 and torque spring seat retainer key 78 to torque values shown in Table 4 while holding stem Excess threadlock can interfere with the operation of the regulator and potentially create unsafe conditions 20 Insert ...

Страница 8: ...hragm casing before these steps can be performed While using the following procedures refer to Figures 6 through 8 for key number locations 1 Remove the adjusting screw cap key 36 loosen the lock nut key 34 and turn the adjusting screw key 35 counterclockwise until all compression is removed from the control spring key 32 2 Remove the spring case cap screws key 37 the nameplates and lift off the s...

Страница 9: ...X012 316 Stainless steel NACE 1B2905X0012 Recommended spare part 1 Bodies can be used for both standard and NACE constructions 14 To remove the diaphragm key 23 remove the diaphragm connector nut key 22 and lift off the diaphragm head key 24 and diaphragm key 23 from the connector assembly key 21 Do not attempt to disassemble the connector assembly key 21 15 Position the replacement diaphragm key ...

Страница 10: ... Zinc plated steel 1A767524662 77 Spring Seat Stainless steel ERAA50118A0 78 Spring Seat Reatiner Stainless steel ERAA50115A0 79 Spring Stainless steel ERAA50082A0 NACE ERAA50061A0 80 O ring Disk Holder ERAA49442A0 81 O ring Stem Small ERAA49363A0 82 O ring Stem Large ERAA49364A0 83 Back up Ring Small ERAA49365A0 84 Back up Ring Large ERAA49366A0 88 O Ring Blocked Throat 1D541506992 89 Back up Rin...

Страница 11: ...A50665_AB Figure 6 Type 627BM Regulator Assembly ERAA49923_AB APPLY LUBRICANT 1 L1 MULTI PURPOSE LITHIUM POLYMER TYPE GREASE L2 EXTREME LOW TEMPERATURE BEARING GREASE T1 APPLY THREADLOCK 1 Lubricants must be selected such that they meet the temperature requirements APPLY LUBRICANT 1 L1 MULTI PURPOSE LITHIUM POLYMER TYPE GREASE L2 EXTREME LOW TEMPERATURE BEARING GREASE T1 APPLY THREADLOCK 1 Lubrica...

Страница 12: ...ve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purcha...

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