Emerson ENARDO ES-660-HF Manual de usuario
Model ES-660-HF
D103849X012
Instruction Manual
February 2015
www.enardo.com
Figure 1. Model ES-660-HF Spring-loaded Hatch
Model ES-660-HF High Flow
Spring-Loaded Hatch
WARNING
!
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion,
re and/or chemical contamination
causing property damage and personal
injury or death.
Enardo spring-loaded hatch must be
installed, operated and maintained
in accordance with federal,
state and local codes, rules and
regulations and Emerson Process
Management Regulator Technologies
Tulsa, LLC instructions.
Failure to correct trouble could result in
a hazardous condition. Call a qualied
service person to service the unit.
Installation, operation and maintenance
procedures performed by unqualied
person may result in improper
adjustment and unsafe operation. Either
condition may result in equipment
damage or personal injury. Only a
qualied person shall install or service
the spring-loaded hatch.
Table of Contents
Introduction..................................................................1
Specifications .............................................................. 2
Principle of Operation.................................................. 2
Tagging Information......................................................2
Installation and Disassembly....................................... 2
Maintenance................................................................5
Parts Ordering..............................................................6
Parts List ......................................................................6
MODEL ES-660-HF WITH CLOSED HATCH
MODEL ES-660-HF WITH OPEN HATCH
P1806
P1807
Introduction
Scope of the Manual
This Instruction Manual provides instructions
for installation, startup, maintenance and parts
ordering information for the Model ES-660-HF
spring-loaded hatch.
Model ES-660-HF
2
Tagging Information
The Model ES-660-HF high ow hatch has tagging
information on the spring capsule assembly and on
the lid.
Figure 2 shows the typical locations of the tagging
information found on the Model ES-660-HF high
ow hatch.
Location 1, on the spring capsule assembly, details the
pressure spring setting and the ow rate for that spring
setting when the tank pressure is at 24 oz./sq. in. Table 1
shows the ow rates at 24 oz./sq. in. for each pressure
spring setting.
Location 2, on the lid, details the vacuum setting and the
date of manufacture.
Installation and Disassembly
!
WARNING
Ensure the tank is at atmospheric
pressure before opening. A pressure
build-up inside the tank can cause a
spray to be emitted from the hatch if
opened under pressure.
Product Description
The Model ES-660-HF high ow gauge hatch is designed
to provide much higher ow rates than standard gauge
hatches, while maintaining the industry leading, tight
sealing performance of the ES-660 Series. It also
provides trouble free operation with maintenance. The
primary function of the Model ES-660-HF high ow hatch
is to prevent the loss of vapors in a closed storage system
and provide pressure and vacuum relief.
Model ES-660-HF is a spring-loaded with round base
and cover and can replace any standard API 8 in. thief
hatch. It is intended for steel and berglass tanks which
require a tighter seal for reduced vapor loss and a higher
volume of venting than offered by standard thief hatches.
Principle of Operation
Enardo gauge hatches are designed to control
evaporation losses and protect tanks against excessive
pressure or vacuum. When the tank pressure is above
the setpoint of the hatch, the cover opens to relieve
excess pressure. When the overpressure has dissipated,
the cover reseats onto the base to provide tight seal.
PRESSURE SETTING, OZ./SQ. IN. FLOW RATE SCFH (AIR) AT 24 OZ./SQ. IN. TANK PRESSURE
4 225,000
6 210,000
8 200,000
12 150,000
16 100,000
Table 1. Pressure Tagging Information
Teon®and Viton® are marks owned by E. I. du Pont de Nemours and Company.
Specications
The Specications table lists the specications for the Model ES-660-HF spring-loaded hatch.
Bolt Pattern
8 in. API
Pressure Setting Range(1)
4, 6, 8, 12 and 16 oz./sq. in.
Vacuum Setting Range(1)
0.4, 0.9 and 3.5 oz./sq. in.
Construction Material
Casting: Aluminum (non-sparking)
Pressure Gasket: HNBR (standard) and Viton®
Vacuum Gasket: Fluorosilicone (standard), Viton®
and Teon®
Optional Equipment
Base Gasket, Bolt Set, Non-Corrosive Coating
Approximate Shipping Weight
29 lbs / 13.2 kg
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
Model ES-660-HF
3
Installing the High Flow
Model ES-660-HF Hatch
1. The Model ES-660-HF hatch can be installed on a
mating ange or roof deck with a standard 8 in. API
bolt pattern (16 – 9/16 in. holes on a 10 – 3/8 in.
bolt circle). For installation of the hatch directly to
the tank roof, place the base gasket on the bottom
of the hatch ange and place on tank roof with bolt
holes aligned.
2. Insert the 16 bolts from the bottom up by reaching
inside the tank, through the hatch opening and
attach each nut to the bolt from the outside. Tighten
all nuts in a circular manner and ensure the hatch is
fastened securely.
3. For installation of the Model ES-660-HF hatch to a
anged pipe with an 8 in. API ange pattern, simply
place the base gasket on the anged pipe, line up
bolt holes and place hatch on top of base gasket.
Install nuts and bolts and tighten in a circular
manner. Ensure hatch is fastened securely.
Accessing Spring Capsule Assembly or
Center Assembly
!
WARNING
Springs are energy storage devices and
are dangerous if handled improperly.
Always use appropriate safety
equipment including safety glasses or
shields anytime you are working with a
spring-loaded hatch.
There are times when you may need to remove the
spring capsule assembly (e.g. to change the pressure
setting of the hatch) or the center assembly (e.g. to
change the vacuum setting or to replace gaskets)
from the Model ES-660-HF hatch. Remove the
spring capsule assembly and the center assembly by
following a few simple steps.
Figure 2. Tagging Locations
Figure 3. Side View of Model ES-660-HF
The arrow is pointing to the spring capsule assembly
that houses the pressure spring. The center assembly
is not shown in this view, but is located under
the hood.
Figure 4. View of Spring Capsule Assembly Screws
1. Loosen the four (4) bolts that hold the spring
capsule assembly to the lid. The bolts can be
loosened approximately 1/8 in. or enough to allow
rotation of the spring capsule assembly in the
machined slots. It is not necessary to remove the
bolts completely, as the spring capsule assembly
is designed with slots to allow removal without
having to remove the bolts.
Model ES-660-HF
4
2. With the screws loosened enough to remove the
spring capsule assembly, press the spring capsule
assembly down against the spring pressure and
rotate. Remove the spring capsule assembly when
the large slot on the spring capsule assembly is
properly aligned with the bolt head.
4. To remove the center assembly, press the center
assembly inward until the center assembly
bottoms out against the inside of the lid, then
turn the center assembly one quarter rotation
to the right or left to the next set of guide slots
(see Figure 9). Remove the center assembly as
shown in Figure 10. Be careful not to drop the
pivot pad that rests on top of the center assembly
and provides guidance for the spring capsule
assembly stem.
Figure 7. View of Center Assembly
Figure 8. View of Lid Guide Slots
Figure 9. Removal of Center Assembly (Step 1)
Figure 10. Removal of Center Assembly (Step 2)
Figure 5. Removal of Spring Capsule Assembly
Note
There will be slight spring pressure that
forces the spring capsule assembly
upwards as the bolts are loosened. This
spring pressure is not great enough to
cause the spring capsule assembly to
have a safety risk.
Figure 6. Opening High Flow Hatch Lid
3. To access the center assembly, press down
slightly on the lid and open the latch.
View of Model ES-660-HF high ow hatch with lid
opened. The arrow is pointing to the center assembly.
The center assembly is guided by slots in the lid.
Model ES-660-HF
5
Center Assembly
See Figure 12. The center assembly consists of the
pressure gasket, the center casting and the vacuum
assembly. Although not part of the center assembly,
the pivot pad is shown for additional clarity of its
relationship to the center assembly. The pivot pad is
not attached to the center assembly, but rests on top
of it to transfer the spring force from the spring capsule
assembly to the center assembly.
Pressure Gasket and Center
1. To remove the center assembly, rst, remove the
spring capsule per Accessing Spring Capsule
Assembly or Center Assembly, steps 1 and 2.
Then remove the center assembly from the same
section steps 3 and 4.
2. The pressure gasket can then be removed and
replaced. The envelope pressure gasket (See
Table 2 for pressure gasket options) is enveloped
around the edge of the center assembly. Stretch
the old gasket off and t the new gasket around
the circular lip. Ensure that the bottom side of the
pressure gasket is tted properly in the groove on
the bottom of the center casting. Also ensure that
the envelope pressure gasket is installed squarely
and at around the circumference of the center.
See Figure 13 for detailed view of the pressure
gasket and the center.
Vacuum Assembly
1. The vacuum gasket is located between the
vacuum pallet and the seal support on the vacuum
assembly. The vacuum assembly seals against the
underside of the center assembly. To remove the
center assembly, rst remove the spring capsule
per Accessing Spring Capsule Assembly or Center
Assembly, steps 1 and 2. Remove the center
assembly under the same section with steps 3
and 4.
Figure 11. Spring Capsule Assembly
Maintenance
Perform a scheduled maintenance every three (3)
months and more frequently in corrosive or dusty
atmospheres. Inspect the pressure gaskets and
vacuum gaskets for normal maintenance. To ensure
efcient operation of all hatches, carefully wipe off the
pressure and vacuum seats and gaskets with a clean,
non-abrasive, lint-free cloth or paper towel every time
the hatch is opened. This prevents accumulation
of residue that can deteriorate the performance of
the hatches.
Under average operating conditions replace the
pressure and vacuum gaskets once a year. Replace
the base gasket when a leak is noticed at the bolting
area or if the hatch is removed, breaking the seal. If
the hatch is continually relieving, this is a sign that
there is a problem. At that time, a close inspection
should be made to determine the cause.
Note
For parts information refer to the catalog
data sheet on each model. For ease of
part identication, see Figure 5 near the
end of the manual for an exploded view
of Model ES-660-HF high ow hatch.
High Flow (Model ES-660-HF) Hatch
Replacement Parts
Spring Capsule Assembly
!
WARNING
Under no circumstances should the
user attempt to disassemble the spring
capsule assembly. The spring capsule
assembly contains a pre-loaded spring
and improper handling could result
in injury.
The spring capsule assembly comes as a
pre-assembled unit. If there is a need to change the
pressure setting of the Model ES-660-HF hatch or
to replace an existing spring capsule assembly, the
appropriate spring capsule assembly can be ordered.
Simply follow the instruction in Accessing Spring
Capsule Assembly or Center Assembly steps 2 and 3
in reverse order to install the spring capsule assembly.
Model ES-660-HF
6
2. Once the center assembly is removed, remove the
cotter pin and the conical shaped vacuum spring
from the vacuum stem. Pull the vacuum assembly
out from the bottom side of the center assembly.
3. Remove and replace the vacuum gasket (See
Table 3 for vacuum gasket options) from between
the vacuum pallet and the seal support.
Note
The vacuum disk (key 5 in Figure 14)
has a at side and a grooved side.
The grooved side is only for use with
a Teon® seal. If handling a Teon®
vacuum seal, avoid bending the seal
as this can damage the seal and aect
sealing performance.
4. Reassemble the vacuum assembly, spring and
cotter key in the reverse order of removal. Replace
center assembly into lid (See Section Accessing
Spring Capsule Assembly or Center Assembly and
follow steps 1 through 8 in reverse order). Ensure
the pivot pad is installed at on top of the center
assembly before the spring capsule assembly is
attached. See Figure 14 for detailed view of the
vacuum assembly.
Parts Ordering
When corresponding with your local Sales Ofce about
this equipment, always reference the equipment serial
number stamped on the nameplate.
When ordering replacement parts, specify the
complete 7-character part number of each required
part as found in the following parts list.
Parts List
Vacuum Assembly
Key Description Part Number
1 Vacuum Stem, Aluminum 8568825
2 Flat Washer, 3/8 in., 316 Stainless steel 2012504
3 010 O-ring, Viton®2012710
4 Seal Support, Aluminum 8554636
5 Vacuum Gasket Per Order
6 Vacuum Pallet Disk, Aluminum 8559017
7 Hex Nylock Nut, 3/8 in. - 16, 316 Stainless steel 2059201
Model ES-660-HF Hatch
Key Description Part Number
1 Spring Capsule Per order
2 Hex Bolt, 1/4 in. - 20 x 5/8 in.,
316 Stainless steel (4 required) 2035901
3 Center Pad, Aluminum 4557001
4 Latch, Aluminum 4524100
5 #5-C Latch Pin, Zinc-plated Carbon steel 4504103
6 #HPC - 148 Hinge Pin Clip,
Zinc-plated Carbon steel (2 required) 2027100
7 Lid, Aluminum 4522001
8 #70 Envelope Gasket Per order
9 Cotter Pin, 1/8 x 1 in., 304 Stainless steel 2022101
10 Vacuum Stem, Aluminum 8568825
11 Vacuum Spring Per Order
12 Center, Aluminum 4556000
13 Flat Washer, 3/8 in., 316 Stainless steel 2012504
14 010 O-ring, Viton®2012710
15 Seal Support, Aluminum 8554636
16 Vacuum Gasket Per Order
17 Vacuum Pallet Disk, Aluminum 8559017
18 Hinge Spring, 302 Stainless steel 4504005
19 Clevis Pin, 5/6 x 2 1/2 in., Zinc-plated Carbon steel 4505110
20 Hex Nylock Nut, 3/8 in. - 16, 316 Stainless steel 2059201
21 Base, Aluminum 4507303
22 Cotter Pin, 1/8 x 1/2 in.,
304 Stainless steel (2 required) 2000703
23 Clevis Pin, 5/16 x 3 1/2 in., Zinc-plated Carbon steel 4505112
Teon®and Viton® are marks owned by E. I. du Pont de Nemours and Company.
Figure 12. Center Assembly Figure 13. Center and Pressure Gasket
Model ES-660-HF
7
Figure 14. Vacuum Assembly Figure 15. Model ES-660-HF High Flow Hatch
Exploded View
MATERIAL PART NUMBER
HNBR (Standard) 4504601
Viton®4504603
MATERIAL PART NUMBER
Fluorosilicone (Standard) 4504705
Teon®4504706
Viton®- Sponge 4504707
Viton®4504708
Viton®- Fabric 4504709
SETTING, OZ./SQ. IN. PART NUMBER
4 4556200
64556201
84556202
12 4556203
16 4556204
SETTING, OZ./SQ. IN. MATERIAL COLOR 1 COLOR 2 PART NUMBER
0.4 H.D. Steel (Galvanized) Light Blue Light Blue 4503700
0.9 Drawn CS Wire (Galvanized) Gray Gray 4504100
3.5 H.D. Steel (Galvanized) Yellow Yellow 4503900
0.4 Inconel®Light Blue White 4503800
0.9 Inconel®Gray White 4504200
Table 2. Pressure (Envelope) Gasket Options
Table 3. Vacuum Gasket Options
Table 4. Spring Capsule Options
Table 5. Vacuum Spring Options
Teon®and Viton® are marks owned by E. I. du Pont de Nemours and Company.
Inconel® is a mark owned by Special Metals Corporation.
PALLET DISK GROOVE SIDE UP FOR
USE WITH TEFLON® OR FABRIC VITON®
VACUUM GASKET
Model ES-660-HF
©Emerson Process Management Regulator Technologies Tulsa, LLC, 2015, Rev. C; All Rights Reserved
The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Enardo is a mark owned by Regulator Technologies Tulsa, LLC,
a business of Emerson Process Management.
The contents of this publication are presented for informational purposes only, and while every eort 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. We reserve the right to modify or improve the designs or specications of such
products at any time without notice.
Emerson Process Management Regulator Technologies Tulsa, LLC 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 Tulsa, LLC product remains solely with the purchaser.
For further information visit www.enardo.com
Emerson Process Management
Regulator Technologies Tulsa, LLC
9932 East 58th Street
Tulsa, Oklahoma 74146 USA
Tel: +1 918 662 6161
Fax: +1 918 662 0004
Figure 16. Compatibility Chart
Teon®and Viton® are marks owned by E. I. du Pont de Nemours and Company.
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