HIGH PRESSURE GAUGE GLASS WASHERS
(FOR BOILER WATER GAUGES & LIQUID LEVEL GAUGES)
SELF-SEALING MODELIP
EPDM COMPOSITION
For Steam and Water
Made only in the following sizes:
*min order quantity 10 pc
Dimensions in Inches
Washer No.
Inside Diameter
Outside
Diameter
Thickness
or Height
66 - RW - 300
66 - RW - 10
66 - RW - 210
66 - RW - 20
66 - RW - 290
66 - RW - 280
66 - RW - 340
66 - RW - 190
66 - RW - 120
66 - RW - 180
66 - RW - 30
66 - RW - 520
66 - RW - 130
66 - RW - 90
66 - RW - 40
66 - RW - 250
66 - RW - 50
66 - RW - 370
66 - RW - 350
66 - RW - 500
66 - RW - 200
66 - RW - 510
66 - RW - 420
66 - RW - 440
66 - RW - 560
66 - RW - 570
66 - RW - 310
66 - RW - 430
66 - RW - 60
66 - RW - 150
66 - RW - 470
66 - RW - 240
66 - RW - 140
66 - RW - 390
66 - RW - 330
66 - RW - 170
66 - RW - 540
66 - RW - 110
66 - RW - 220
66 - RW - 70
66 - RW - 530
66 - RW - 230
66 - RW - 80
66 - RW - 160
66 - RW - 410
66 - RW - 320
66 - RW - 100
66 - RW - 460
66 - RW - 450
66 - RW - 270
66 - RW - 550
66 - RW - 400
66 - RW - 480
66 - RW - 260
66 - RW - 380
66 - RW - 360
66 - RW - 490
3/8
1/2
1/2
1/2
1/2
1/2
1/2
9/16
9/16
9/16
5/8
5/8
5/8
5/8
5/8
5/8
5/8
5/8
5/8
21/32
11/16
11/16
11/16
11/16
11/16
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
7/8
7/8
31/32
31/32
1
1
1-1/4
1-7/8
13/16
13/16
7/8
7/8
1
1
1-7/16
13/16
27/32
1-3/32
7/8
7/8
15/16
15/16
1
1
1-1/8
1-1/4
1-5/16
1-1/4
1
1-1/8
1-3/16
1-3/8
1-7/16
15/16
1
1
1-1/16
1-1/16
1-1/16
1-3/32
1-1/8
1-1/8
1-1/8
1-1/8
1-1/8
1-3/16
1-1/4
1-1/4
1-1/4
1-1/4
1-5/16
1-5/16
1-3/8
1-3/8
1-7/16
1-5/8
1-15/16
1-3/8
1-31/64
1-3/4
1-3/4
1-5/8
1-1/2
1-7/8
2-1/4
1/4
9/32
3/8
1/2
5/16
3/8
3/8
9/32
19/32
1/2
9/32
3/8
9/32
9/16
9/32
15/32
3/8
1/2
13/32
1/4
9/32
3/8
7/16
3/8
13/32
3/8
3/8
3/4
9/32
1/2
3/4
13/32
3/8
7/16
1/2
5/8
7/8
13/32
1/4
13/32
1/2
3/4
13/32
5/8
3/8
1/4
13/32
1/2
3/8
13/32
7/8
3/8
7/16
1/2
1
1-5/16
3/4

MODEL EFI 66

MODELAST
NEOPRENE COMPOSITION
For Steam, Water Service and other applications
*min order quantity 10 pc

Other sizes available, contact Ernst Flow Industries.

MODEL EFI 88
Any size can be furnished to fit all type Packing Nuts and
Glass on Boiler Water Gauges and Liquid Level Gauges.
Gasket Material Temperature Ratings
NEOPRENE (EFI 88) ...............................-45ËšF TO 250ËšF
EPDM (EFI 66 and EFI 33CS) ...................-65ËšF to 300ËšF
GRAPHITE (EFI 99) ......................................................550ËšF
PURE PTFE (EFI 101) ...................................................450ËšF
PTFE composition (soft) ...............................................500ËšF
BUNA-N ........................................................-45ËšF to 250ËšF
FKM (VitonTM) ........................................ -20ËšF TO 400ËšF
PTFE ENVELOPE w/ neo. filler ..................................250ËšF
PTFE ENVELOPE w/ non-asbestos filler ..................450ËšF
NON-ASBESTOS ....................................................... 700ËšF
GRAPHITE .....................................................................800ËšF

SPECIFY:
A. Inside Diameter
B. Outside Diameter
C. Thickness or Height
Note: For Washer compatibility regarding specific requirements and applications, consult with Ernst Flow Industries.

THIN BRASS WASHERS
For Gauge Glass Packing Nuts
Inside Diameter: 5/8” or 3/4”
Outside Diameter: 7/8”, 15/16”, 1-1/8”, 1-3/16”, 1-1/4”
PTFE WASHERS
Ideal For Use Against Acids, Solvents and Alkalies
Can be furnished to fit all type Packing Nuts and Glass on Liquid Level Gauges
All sizes made to order
MODEL EFI 101


SPECIFY:
A. Inside Diameter
B. Outside Diameter
C. Thickness or Height
GRAPHITE WASHERS
For Steam and Water Service
Dimensions in Inches
Washer No.
Inside Diameter
Outside
Diameter
Thickness
or Height
99 - GW - 001
99 - GW - 002
99 - GW - 003
99 - GW - 004
99 - GW - 005
99 - GW - 006
99 - GW - 007
99 - GW - 033
99 - GW - 009
99 - GW - 010
99 - GW - 011
99 - GW - 012
99 - GW - 013
99 - GW - 014
99 - GW - 015
99 - GW - 016
99 - GW - 017
99 - GW - 018
99 - GW - 019A
9/16
39/64
5/8
39/64
5/8
5/8
5/8
47/64
23/32
3/4
3/4
3/4
3/4
3/4
3/4
3/4
47/64
3/4
47/64
13/16
13/16
3/4
7/8
7/8
15/16
1-1/8
15/16
1-1/4
1
1
1-1/16
1-1/8
1-3/16
1-3/16
1-1/4
1-1/4
1-1/4
1-5/16
1/2
3/8
3/8
3/8
1/2
3/8
3/8
3/8
1/2
3/8
1/2
1/2
1/2
1/2
5/8
3/8
1/2
3/4
5/8

MODEL EFI 99

SPECIFY:
A. Inside Diameter
B. Outside Diameter
C. Thickness or Height
NOTE: Consult Ernst Flow Industries for special sizes.
CONE SHAPE WASHERS
EPDM
For Steam and Water Service

Dimensions in Inches
Washer No.
Size of
Glass
Overall
Height
Inside Diameter
Outside
Diameter
OD at Base
of Bevel
Height of
Bevel
Thickness
of Flange
WR - 33CS - 121 -E
WR - 33CS - 122 -E
WR - 33CS - 123 - E
WR - 33CS - 124 - E
WR - 33CS - 125 - E
WR - 33CS - 341 - E
WR - 33CS - 342 - E
WR - 33CS - 343 - E
WR - 33CS - 343L - E
WR - 33CS - 344 - E
WR - 33CS - 345 - E
WR - 33CS - 346 - E
WR - 33CS - L347 - E
WR - 33CS - 348 - E
WR - 33CS - 349 - E
WR - 33CS - 353 - E
WR - 33CS- L568 - E
WR - 33CS - 581 - E
WR - 33CS - 584 - E
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
17/32
5/8
5/8
1/2
1/2
7/16
7/8
5/8
3/4
5/8
15/16
15/16
15/16
1
1/2
5/8
7/8
21/32
1-3/8
5/8
9/16
3/4
1/2
1/2
7/16
5/8
1/2
3/4
3/4
3/4
3/4
3/4
3/4
17/32
21/32
3/4
21/32
3/4
7/32
5/8
5/8
1-1/8
1-1/4
13/16
1
15/16
1-5/16
1-17/32
1-5/8
1-9/16
1-9/32
1-1/4
1-3/16
1-7/32
1-11/32
1-3/16
1-1/2
1-1/16
1-1/4
1-3/8
13/16
13/16
1/2
5/8
9/16
1-3/32
1-1/16
1-1/4
1-1/4
1-1/16
31/32
15/16
31/32
1
23/32
13/16
13/16
7/8
15/16
3/8
3/8
9/32
11/16
7/16
17/32
7/16
11/16
3/4
3/8
3/4
19/32
15/32
5/8
1/2
7/8
15/32
7/16
5/16
1/8
3/8
5/32
3/16
3/16
7/32
1/4
3/16
7/16
1/4
1/8
5/32
5/32
1/4
5/32
1/2
5/32
7/32
7/16