Emerson VAREC 3600B Series Instruction, Operation And Maintenance Manual
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Emerson VAREC 3600B Series Instruction, Operation And Maintenance Manual

Emerson VAREC 3600B Series Instruction, Operation And Maintenance Manual

Pressure or vacuum relief valves
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VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS
INSTRUCTION, OPERATION AND MAINTENANCE MANUAL
Before installation, these instructions must be read carefully and understood.
3600B Series
3650B Series
fiGure 1. 3600B aND 3650B SerieS

TABLE OF CONTENTS

Disclaimer of Warranties �����������������������������������1
Limitations of Seller's Liability ��������������������������1
General Information �������������������������������������������1
Safety Precautions ���������������������������������������������1
Product Identification and Marking �������������������2
Construction �������������������������������������������������������2
Operation ������������������������������������������������������������4
Installation ����������������������������������������������������������5
Maintenance �������������������������������������������������������5
Calibration ����������������������������������������������������������6
Dimensions and Weight �������������������������������������7
Replacement Parts �������������������������������������������11
Emerson.com/FinalControl

DISCLAIMER OF WARRANTIES

The contract between emerson automation
Solutions (emerson) and our customer states
emerson entire obligation. The contents of
this instruction manual shall not become part
of or modify any prior or existing agreement,
commitment or relationship between emerson
and our customer. There are no express or
implied warranties set out in this instruction
manual. The only warranties that apply are those
in the existing contract between emerson and
our customer.
The varec 3600B and 3650B Series pressure
or vacuum relief valves have not been tested
by emerson under all possible operational
conditions and emerson does not have all the
data relative to your application. The information
in this instruction manual is not all inclusive and
does not and cannot take into account all unique
situations. consequently, you should review this
product literature in view of your application. if
you have any further questions, please contact
emerson for assistance.

LIMITATIONS OF SELLER'S LIABILITY

if it is determined that this instruction manual
created some new warranties, emerson liability
shall be limited to repair or replacement under
the standard warranty clause. in no case
shall emerson liability exceed that stated as
limitations of remedy in the contract between
emerson and our customer
© 2017 emerson. all rights reserved.
GENERAL INFORMATION
The 3600B and 3650B Series pressure or
vacuum relief valves are designed to protect
low pressure storage tanks, sludge digesters
and gas holders from excessive pressure or
vacuum.
The 3600B Series vacuum relief valve is a side
mounted valve that relieves negative pressure
by inbreathing ambient air.
The 3650B Series pressure relief valve is a top
mounted valve that relieves pressure through
an enclosed outlet adapter. product vapors may
be piped away rather than relieving directly to
the atmosphere. This valve may also be used as a
side mounted vacuum relief valve with the intake
flange connectable to a dehydrator.

SAFETY PRECAUTIONS

read and understand this instruction manual
before installing, operating or performing
maintenance on 3600B and 3650B Series
pressure or vacuum relief valves. follow
all precautions and warnings noted herein
when installing, operating or performing
maintenance on this equipment.
WARNING
Relief valve must be isolated from tank pressure
before servicing. All gas must be blocked and
pressure safely vented.
Safety precaution definitions
CAUTION
Damage to equipment may result if this
precaution is disregarded.
WARNING
Direct injury to personnel or damage to
equipment which can cause injury to personnel
may result if this precaution is not followed.
D104513X012 19/08
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Summary of Contents for Emerson VAREC 3600B Series

  • Page 1: Table Of Contents

    This valve may also be used as a by emerson under all possible operational side mounted vacuum relief valve with the intake conditions and emerson does not have all the flange connectable to a dehydrator. 3650B Series data relative to your application. The information in this instruction manual is not all inclusive and fiGure 1.

  • Page 2: Product Identification And Marking

    VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 1 - 3600B SERIES CONFIGURATION PRODUCT IDENTIFICATION AND MARKING Code Type Hazardous Locations vacuum relief valve (Side mounted) The 3600B/3650B Series pressure and vacuum Code Configuration relief valves (pvrvs) are available with outer Standard housings of carbon steel, Stainless steel or aluminum as indicated.
  • Page 3 VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 2 - 3650B SERIES CONFIGURATION Code Type pressure or vacuum relief valve (in-line) Code Configuration Standard all Weather Type Code Size 2 inches 3 inches 4 inches 6 inches 8 inches 10 inches...

  • Page 4: Operation

    VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL OPERATION Model 3650B Series pressure relief valves When the internal tank pressure approaches the valve setting, the pallet begins to lift. as the pressure exceeds the valve setting, the pallet lifts off the seat ring.

  • Page 5: Installation

    VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL INSTALLATION (PLACING INTO SERVICE) CAUTION MAINTENANCE (ASSEMBLING AND DISMANTLING) The end of the pallet stem must engage the stem 3600B and 3650B Series relief valves must be guide chamber in the cover for proper seating and mated with the appropriate flange(s).

  • Page 6: Calibration

    VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL CAUTION CAUTION CALIBRATION (ADJUSTMENT) During periods of freezing weather, extra The end of the pallet stem must engage the stem maintenance is required for Models 3600B and guide chamber in the cover for proper seating and To verify the settings, calculate the total 3650B.
  • Page 7 VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 7 - MODEL 3600B- LOW SETTING SIZES AND DIMENSIONS A in B in C in D in Size (mm) (mm) (mm) (mm) 2" 5.50 1.62 5.94 8.62 (140) (41)
  • Page 8 VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 8 - MODEL 3600B HIGH SETTING SIZES AND DIMENSIONS A in B in C in D in Size (mm) (mm) (mm) (mm) 2" 5.50 1.62 10.44 8.62 (140) (41)
  • Page 9 VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 9 - MODEL 3650B LOW SETTING SIZES AND DIMENSIONS A in B in C in D in Size (mm) (mm) (mm) (mm) 2" 3" 4.94 5.81 9.62 8.00 (125)
  • Page 10 VAREC 3600B/3650B SerieS preSSure or vacuum relief valveS INSTRUCTION, OPERATION AND MAINTENANCE MANUAL TABLE 10 - MODEL 3650B HIGH SETTING SIZES AND DIMENSIONS A in B in C in D in Size (mm) (mm) (mm) (mm) 2" 3" 4.94 5.81 14.12 8.00 (125)

  • Page 11: Replacement Parts

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Varec 3650b sereis

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