102/103, 202/203, 302/303 Flanged Diaphragm Seal

Data Sheet

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

© 2021 Ashcroft Inc. 102_flanged_seal_ds_RevD_02-17-21

ashcroft.com

info@ashcroft.com

1.800.328.8258

of 5

5

A

B

C

Nuts, bolts & flange by user

Flushing connection

1

⁄8 NPT for 11⁄2"

1

⁄4 NPT for 2" & 3"

Flange

A

B

C

Size Rating #

in

mm

in

mm

in

mm

150

5

(127)

11⁄2˝ 300 or 600

61⁄4

(159)

3

(76)

21⁄16

(52)

900 or 1500

7

(178)

150

6

(152)

2˝

300 or 600

61⁄2

(165) 311⁄32 (84)

23⁄8

(60)

900 or 1500 81⁄2

(215)

150

71⁄2

(191)

33⁄32

(79)

27⁄32

(56)

3˝

300 or 600

81⁄4

(210)

33⁄16

(81)

27⁄32

(57)

900

91⁄2

(241)

323⁄32 (94)

23⁄4

(70)

1500

101⁄2 (267)

103, 203, 303 – Flanged 11⁄2,˝ 2,˝ 3˝

(raised face only) one piece bottom housing with

flushing connection

A

B

Nuts & flange by user

Flange

A

B

Size

Rating #

in

mm

in

mm

150

31⁄2

(89)

215⁄16

(75)

1

⁄2˝

300 or 600

33⁄4

(95)

3

(76)

900 or 1500

43⁄4

(121)

33⁄16

(81)

150

37⁄8

(98)

213⁄16

(71)

3

⁄4˝

300 or 600

45⁄8

(117)

3

(76)

900 or 1500

51⁄8

(130)

33⁄16

(81)

B

C

D

A

Flange

A

B

C

Size

Rating#

in.

mm

in.

mm

in.

mm

1

150

4-1/4 (100)

300or 600

5

(127) 2-9/16 (65)

1-23/32 (69)

103& 203only

Flange

D

E

Size

Rating#

in.

mm

in.

mm

1

150

300or 600 1-5/8 (41)

3/8

(9)

“E”

BOTTOM OF HOUSING

TO CL OF 1⁄8 NPT

FLUSHING PORT

TYPES 103 & 203 ONLY

“E”

A

D B

C

BOTTOM OF HOUSING

TO CL OF 1⁄8 NPT

FLUSHING PORT

TYPES 103 & 203 ONLY

Flange

A

B

C

Size

Rating#

in.

mm

in.

mm

in.

mm

1

900or 1500 5-7/8 (149)

2500

6-1/4 (159) 2-7/8 (73)

2-1/4 (57)

103& 203only

Flange

D

E

Size

Rating#

in.

mm

in.

mm

1

900or 1500

2500

3-3/8 (86)

3/8

(9)

A

B

Nuts & flange by user

1

⁄4 NPT

flushing

connection

Flange

A

B

Size

Rating #

in

mm

in

mm

150

31⁄2

(89)

215⁄16

(75)

1

⁄2˝

300 or 600

33⁄4

(95)

3

(76)

900 or 1500

43⁄4

(121)

33⁄16

(81)

150

37⁄8

(98)

213⁄16

(71)

3

⁄4˝

300 or 600

45⁄8

(117)

3

(76)

A

B

C

Nuts, bolts & flange by user

Flange

A

B

C

Size Rating #

in

mm

in

mm

in

mm

11⁄2˝

150

5

(127)

25⁄16

(59)

113⁄32

(39)

2˝

150

6

(152)

21⁄8

(54)

19⁄16

(40)

A

B

Nuts & flange by user

1

⁄4 NPT

flushing

connection

Flange

A

B

Size

Rating #

in

mm

in

mm

150

31⁄2

(89)

215⁄16

(75)

1

⁄2˝

300 or 600

33⁄4

(95)

3

(76)

900 or 1500

43⁄4

(121)

33⁄16

(81)

150

37⁄8

(98)

213⁄16

(71)

3

⁄4˝

300 or 600

45⁄8

(117)

3

(76)

102, 202, 302 -

Flanged Process Connection

1

⁄2,˝ 3⁄4,˝ NPT

102, 202, 302 – Flanged Procees Connection

- one piece bottom housing

11⁄2,˝ 2,˝ 3˝ (raised face only) - all materials

except PVC, PTFE and Kynar

102, 202,103, 203 – Flanged 1˝ (raised face

only) one piece bottom housing, with and with-

out flushing connection

102, 202, 302 – Flanged Process Connection

- (raised face only) two piece bottom housing,

11⁄2,˝ 2,˝ - PVC, PTFE and Kynar

103, 203, 303 –

Flanged Process Connection

1

⁄2,˝ 3⁄4˝ NPT (with flushing conection)

102, 202,103, 203 – Flanged 1˝ (raised face

only) one piece bottom housing, with and with-

out flushing connection

DIMENSIONS in [ ] are millimeters

Flange

A

B

C

Size

Rating #

in

mm

in

mm

in

mm

11⁄2˝

150

5

[127] 2.31 [59] 1.41 [39]

2˝

150

6

[150] 2.13 [55] 1.56 [40]

Flange

A

B

C

Size

Rating #

in

mm

in

mm

in

mm

11⁄2˝

150

5.00 [127] 2.38 [60] 1.50 [38]

300 or 600

6.25 [159] 2.38 [60] 1.50 [38]

900 or 1500 7.00 [178] 2.80 [71] 1.50 [38]

2˝

150

6.00 [152] 2.94 [75] 1.34 [35]

300 or 600

6.50 [165] 2.94 [75] 1.50 [38]

900 or 1500 8.50 [216] 2.94 [75] 1.50 [38]

3˝

150

7.50 [191] 2.00 [51] 1.63 [41]

300 or 600

8.50 [216] 2.38 [60] 1.47 [37]

900

9.50 [241] 3.00 [76] 2.09 [53]

1500

10.50 [267] 3.00 [76] 2.09 [53]

Flange

A

B

C

Size

Rating #

in

mm

in

mm

in

mm

11⁄2˝

150

5.00 [127] 3.00 [76] 2.06 [52]

300 or 600

6.25 [159] 3.00 [76] 2.06 [52]

900 or 1500 7.00 [178] 3.00 [76] 2.06 [52]

2˝

150

6.00 [152] 3.53 [90] 2.38 [60]

300 or 600

6.50 [165] 3.53 [90] 2.38 [60]

900 or 1500 8.50 [216] 3.53 [90] 2.38 [60]

3˝

150

7.50 [191] 3.09 [78] 2.22 [56]

300 or 600

8.50 [216] 3.03 [77] 2.15 [55]

900

9.50 [241] 3.63 [92] 2.72 [69]

1500

10.50 [267] 3.63 [92] 2.72 [69]

Flange

A

B

Size

Rating #

in

mm

in

mm

150

3.50

[89]

2.94

[75]

1

⁄2˝

300 or 600

3.75

[95]

3

[76]

900 or 1500

4.75

[98]

3.19

[81]

3/4˝

150

3.88

[152]

2.81

[71]

300 or 600

4.63

[117]

3

[76]

Flange

A

B

Size

Rating #

in

mm

in

mm

1

⁄2˝

150

3.50

[89]

2.94

[75]

300 or 600

3.75

[95]

3

[76]

900 or 1500

4.75

[98]

3.19

[81]

3/4˝

150

3.88

[152]

2.81

[71]

300 or 600

4.63

[117]

3

[76]

900 or 1500

5.13

[130]

3.19

[81]

Flange

A

B

C

Size

Rating #

in

mm

in

mm

in

mm

1˝

900 or 1500

5.88 [149]

2.88 [73] 2.25 [57]

2500

6.25 [159]

Flange

D

102 & 203 only

E

Size

Rating #

in

mm

in

mm

1˝

900 or 1500

2

3.38

[86]

0.38

[9]

2500

Flange

A

B

C

Size

Rating #

in

mm

in

mm

in

mm

1˝

150

4.25 [100]

2.56 [65] 1.72 [69]

300 or 600

5

[127]

Flange

D

103 & 203 only

E

Size

Rating #

in

mm

in

mm

1˝

150

2

1.63

[41]

0.38

[9]

300 or 600

For reference only, consult Ashcroft for specific dimensional drawings