Gauge

Size

Inches

Ring

O.D

"A"

DIA.

"B"

Size of 3

Screws

"C"

Size of

Washers

Spacer

41⁄2

6

[152]

55

⁄8

[148] #10-24 x 1

5

⁄8 7⁄16 x 17∕64 x 5⁄8

1

6

73

⁄4

[197]

73

⁄10

[185]

#1

⁄4 -20 x 1 17⁄94 x 1⁄2 x 1⁄16

113

⁄32

H

T

A

G

T

C

V

B

J

D

F

W

3-

L dia.holes

on

E dia. Bolt Circle

D

A

T

B

G

N

M

Hole in

panel

Nuts & washers

not suppliedby

Ashcroft

C

S

T

F

H

LL

K

3 Mounting studs

CC

threaded equally spaced

on

E dia. Bolt Circle

P

H

T

A

G

T

C

V

B

J

D

F

3-

L dia.holes

on

E dia. Bolt Circle

D

A

T

B

G

N

M

Hole in

panel

Nuts & washers

not suppliedby

Ashcroft

C

S

T

F

H

LL

K

3 Mounting studs

CC

threaded equally spaced

on

E dia. Bolt Circle

P

H

T

A

G

T

C

V

B

J

D

F

W

3-

L dia.holes

on

E dia. Bolt Circle

D

A

T

B

G

N

M

Hole in

panel

Nuts & washers

not suppliedby

Ashcroft

C

S

T

F

H

LL

K

3 Mounting studs

CC

threaded equally spaced

on

E dia. Bolt Circle

P

H

T

A

G

T

C

V

B

J

D

F

W

3-

L dia.holes

on

E dia. Bolt Circle

D

A

T

B

G

N

M

Hole in

panel

Nuts & washers

not suppliedby

Ashcroft

C

S

T

F

H

LL

K

3 Mounting studs

CC

threaded equally spaced

on

E dia. Bolt Circle

P

H

T

A

G

T

C

V

B

J

D

F

W

3-

L dia.holes

on

E dia. Bolt Circle

D

A

T

B

G

N

M

Hole in

panel

Nuts & washers

not suppliedby

Ashcroft

C

S

T

F

H

LL

K

3 Mounting studs

CC

threaded equally spaced

on

E dia. Bolt Circle

P

HOLE IN PANEL

(REAR VIEW)

SHOWING USE OF LEVEL

TO LINE UP SPACER POSTS

WASHER

SPACER POST

(3 REQ’D)

“B” (3 REQ’D)

“C”

PANEL

CASE

MOUNTING

RING

41⁄2˝ & 6˝ Lower Conn.

41⁄2˝ & 6˝ Back Conn.

81⁄2˝ Lower Conn.

81⁄2˝ Wall Conn.

81⁄2˝ Back Conn.

Type 1278M Series Flush Mounting Ring

Used to flush mount gauge case. Standard finish in black; optional

polished stainless steel finish is available.

DIMENSIONS in [ ] are millimeters

For reference only, consult Ashcroft for specific dimensional drawings

Dial Size

Inches

A

B

C

CC

D

E

F

G

H

J

K

L

LL

M

N

P

S

T

V

Weight

(lbs)

41⁄2

513

⁄16

[148]

33

⁄8

[86]

47

⁄8

[124]

15

⁄8

[41]

53

⁄8

[137]

11

⁄2

[42]

315

⁄16

[100]

7

⁄8

[20]

11

⁄16

[27]

0.218

[6]

1

⁄8 - 1⁄2

[3] [13]

21

⁄8

[54]

5

⁄8

[16]

25

⁄8

[67]

2.5 (Dry)

3.5 (L.F.)

6

79

⁄16

[192]

31

⁄2

[89]

65

⁄8

[162]

15

⁄8

[41]

7

[178]

11

⁄2

[42]

41

⁄2

[114]

7

⁄8

[20]

11

⁄16

[27]

0.218

[6]

1

⁄8 - 1⁄2

[3] [13]

21

⁄8

[54]

5

⁄8

[16]

25

⁄8

[67]

3.0 (Dry)

4.0 (L.F.)

81

⁄2

101

⁄16

[256]

27

⁄8

[73]

43

⁄4

[121] #10-24

11

⁄16

[27]

95

⁄8

[244]

15

⁄8

[41]

6

[152]

13

⁄8

[35]

11

⁄16

[27]

1

⁄8 - 1⁄2

[3] [13]

9

[228]

3.19

[80.9]

11

⁄16

[17]

4.5 (Dry)

of 4

4

1379 Duragauge® Pressure Gauge

Data Sheet

All specifications are subject to change without notice. All sales subject to standard terms and conditions.

Ashcroft®, Duragauge®, DuraVis™,

Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark

of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Halocarbon®,

Inconel®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks

©2024 Ashcroft Inc. 1379_gauge_ds_RevL_09-24-24

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