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INSTALLATION, OPERATION AND MAINTENANCE MANUAL

IOM-2100

01-14

SECTION I

I. DESIGN AND FUNCTION

Model 2100

Gauge Hatch

Models 2100 is primarily designed to provide easy

access into storage tanks for gauging and obtaining

samples. May also provide additional pressure relief

as a supplement for normal or emergency venting.

Available with either a non-locking or locking hatch.

LATCH DESIGNS

No Latch - (Non Locking)

Knob Latch - (Locking)

II. INSPECTION AND STORAGE:

The gauge hatch is carefully packaged to prevent damage or contamination during shipping. Inspect the

equipment when it is received and report any damage to the carrier immediately. The gauge hatch should be

stored with all protective covers in place.

SECTION II

SECTION III

WARNING

The gauge hatch must be installed in a horizontal

position. The tank nozzle on which the hatch is

mounted should have the same nominal diameter as

the gauge hatch. It is recommended that the tank

nozzle ﬂ ange face be within 1 degree of horizontal.

Minimum clearance between tank roof and face of

the hatch ﬂ ange must be at least equal to the valves’

nominal ﬂ ange bore. Tank nozzle bore must be greater

than or equal to ﬂ ange bore.

III. INSTALLATION

The Model 2100 Gauge Hatch is designed to mate with

a 150 lb ASME ﬂ ange. Torque guidelines are provided

in Table 1.

Before installing the 2100 Gauge Hatch remove all

packing materials.

Inspect the gasket seating surface of the tank nozzle

ﬂ ange. It must be clean, free of scratches, corrosion,

tool marks and ﬂ at.

Gauge hatches are furnished with ﬂ at faced ﬂ anges. It

is recommended that they be installed on mating ﬂ at

face ﬂ anges with a full faced gasket. If the ﬂ at face of

the hatch is sealing against a raised face steel ﬂ ange,

a spacer or ﬁ ller ring must be used to ﬁ ll the annular

space of the raised face steel ﬂ ange.

Make sure the gasket is suitable for the application

and is in good condition. For full face gaskets, we

recommend the use of a 1/8-inch Expanded PTFE

gasket.

Center the gasket within the bolt circle of the tank

ﬂ ange and carefully set the gauge hatch on the ﬂ ange

nozzle and align the bolt holes.

All stud threads must be lubricated to obtain proper

torque results. A washer should be used under each

stud nut.

Install the studs, washers and nuts and tighten nuts

hand tight. Check proper alignment of ﬂ ange faces.

Misalignment of ﬂ ange faces will cause bending

stresses at the ﬂ ange and ﬂ ange joint and damage

may result. Correct any misalignment prior to applying

torque to nuts.

Summary of content (4 pages)

PAGE 1
INSTALLATION, OPERATION AND MAINTENANCE MANUAL IOM-2100 01-14 Model 2100 Gauge Hatch SECTION I I. DESIGN AND FUNCTION Models 2100 is primarily designed to provide easy access into storage tanks for gauging and obtaining samples. May also provide additional pressure relief as a supplement for normal or emergency venting. Available with either a non-locking or locking hatch. LATCH DESIGNS No Latch - (Non Locking) Knob Latch - (Locking) SECTION II II.
PAGE 2
TABLE 1 All Torque Requirements Are Dependant On Gasket Materal Bolt Torque Specifications - ASME #150 Flange Connections MOUNTING FLANGE 4” 6” 8” 10” 12” BOLT TORQUE - ft. * lbs. NUMBER BOLTS TOTAL FLAT FACE 78 150 228 246 348 8 8 8 12 12 STUD SPECIFICATIONS THREAD UNC 5/8” - 11 3/4” - 10 3/4” - 10 7/8” - 9 7/8” - 9 All nuts must be torqued in proper sequence and equal increments. Proceed through the tightening sequence until the recommended torque is attained.
PAGE 3
SECTION V V. ORDERING INFORMATION NEW REPLACEMENT UNIT vs PARTS "KIT" FOR FIELD REPAIR To obtain a quotation or place an order, please retrieve the Serial Number and Product Code that was stamped on the metal name plate and attached to the unit. This information can also be found on the Bill of Material (“BOM”), a parts list that was provided when unit was originally shipped. (Serial Number typically 6 digits). NEW REPLACEMENT UNIT: Contact your local Cashco, Inc.
PAGE 4
MODEL 2100 Center Bolt No Weights Knob Latch No Latch Center Bolt with Weights ITEM NO. 1 2 3 4 5 6 7 8 9 Description Flange Hinge Arm Pallet Diaphragm ‡ Diaphragm Retainer Pallet Swivel Latch Stop Pin Latch Pivot Pin Arm Pivot Pin ITEM NO. 10 11 12 17 19 20 22 23 24 PART LIST Description Arm Stop Stop Nut Eye Bolt Washer Knob Center Bolt Flat Washer Lock Washer Pallet Nut ‡ Recommended replacement parts. Cashco, Inc. P.O. Box 6 Ellsworth, KS 67439-0006 PH (785) 472-4461 Fax. # (785) 472-3539 www.