Hofmann Fluid Power Inc.

Serving the Fluid Power Industry Since 1950

Double Shutoff ISO “B”

1/8″ – 1-1/2″ Body Size

7241/01 Series “B” – Full Interchange
ISO B Interchange Series (H) couplers are available in a wide range of sizes and materials and come standard with two way valves that are removable for straight thru and one way applications. Seal selections for this series include ethylene propylene, viton and silicone. They are interchangeable with ISO 7241-1, Series B and can be ordered with sleeve locks to prevent accidental disconnection.


Sockets

Sockets

  Part #Body SizeThread Size [A]O.A.L
[B]
Max O.D.
[C]
Hex
[D]
Working
Pressure
Burst
Pressure
Weight
Lbs.
seriesh-socket1HS1/8"1/8"1.90".93"9/16"400014,5000.16
2HS1/4"1/4"2.26"1.12"7/8"500022,5000.30
3HS3/8"3/8"2.51"1.42"1-1/16"400016,5000.40
4HS1/2"1/2"2.86"1.86"1-5/16"400016,0000.73
6HS3/4"3/4"3.55"2.22"1-5/16"400016,5001.30
8HS1"1"4.13"2.49"1-5/8"400016,0001.95
10HS1 1/4"1 1/4"4.50"2.60"2-3/8"250010,0003.50
12HS1 1/2"1 1/2"4.81"3.00"2-5/8"250012,500 4.70

Sockets
 Part #Body
Size
Thread
Size [A]
O.A.L
[B]
Max O.D.
[C]
Hex
[D]
Working PressureBurst
Pressure
Weight Lbs.
seriesh-socket21HP1/8"1/8"1.28".65"9/16" 400014,5000.03
2HP1/4"1/4"1.55".83"3/4" 500022,5000.08
3HP3/8"3/8"1.70".97"7/8" 400016,5000.12
4HP1/2"1/2"1.94"1.17"1-1/16" 400016,0000.24
6HP3/4"3/4"2.41"1.44"1-5/16" 400016,5000.46
8HP1"1"2.87"1.79"1-5/8" 400016,0000.76
10HP1 1/4"1 1/4"4.25"2.60"2-3/8" 250010,0002.19
12HP1 1/2"1 1/2"4.76"2.88"2-5/8" 250012,5003.1

FNPTF
 Part #Body SizeThread Size [A]O.A.L [B]Max O.D. [C]Hex [D]Working PressureBurst PressureMaterialsWeight Lbs.
1HS-SS1/8"1/8"-27 NPTF1.90".93" 9/16" 3,50029,500303SS0.16
1HS-S61/8"1/8"-27 NPTF1.90".93" 9/16" 3,50029,500316SS0.16
2HS-SS1/4"1/4"-18 NPTF2.26"1.12" 7/8" 3,50031,500303SS0.3
2HS-S61/4"1/4"-18 NPTF2.26"1.12" 7/8" 3,50033,000316SS0.3
3HS-SS3/8"3/8"-18 NPTF2.51"1.42" 1-1/16" 3,50026,500303SS0.4
3HS-S63/8"3/8"-18 NPTF2.51"1.42" 7/8" 3,50028,000316SS0.4
4HS-SS1/2"1/2"-14 NPTF2.86"1.76"1-5/16" 3,50027,500303SS0.76
4HS-S61/2"1/2"-14 NPTF2.86"1.86" 1-1/16" 3,50022,000316SS0.76
6HS-SS3/4"3/4"-14 NPTF3.55"2.22"1-5/16" 3,00016,000303SS1.33
6HS-S63/4"3/4"-14 NPTF3.55"2.22"1-5/16" 3,00021,500316SS1.33
8HS-SS1"1"-11 1/2 NPTF4.13"2.49" 1-5/8" 2,00015,000303SS1.95
8HS-S61"1"-11 1/2 NPTF4.13"2.49" 1-5/8" 2,00015,000316SS1.95
10HS-SS1-1/4"1-1/4"-11 1/2 NPTF4.50"2.60" 2-3/8" 2,00010,000303SS3.51
1210HS-SS1-1/2"1-1/4"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,0008,500303SS4.68
12HS-SS1-1/2"1-1/2"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,5008,500303SS4.68
12HS-S61-1/2"1-1/2"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,0007,000316SS4.68

FBSPP
 Part #Body SizeThread Size [A]O.A.L [B]Max O.D. [C]Hex [D]Working PressureBurst PressureMaterialsWeight Lbs.
2HS-G-SS1/4"1/4"-19 BSPP2.26"1.12" 7/8" 3,50031,500303SS0.3
2HS-G-S61/4"1/4"-19 BSPP2.26"1.12" 7/8" 3,50033,000316SS0.3
3HS-G-SS3/8"3/8"-19 BSPP2.51"1.42" 1-1/16" 3,50026,500303SS0.4
3HS-G-S63/8"3/8"-19 BSPP2.51"1.42" 7/8" 3,50028,000316SS0.4
4HS-G-SS1/2"1/2"-14 BSPP2.86"1.86"1-5/16" 3,50027,500303SS0.76
4HS-G-S61/2"1/2"-14 BSPP2.86"1.86" 1-1/16" 3,50022,000316SS0.76
6HS-G-SS3/4"3/4"-14 BSPP3.55"2.22"1-5/16" 3,00016,000303SS1.33
6HS-G-S63/4"3/4"-14 BSPP3.55"2.22"1-5/16" 3,00021,500316SS1.33
8HS-G-SS1"1"-11 BSPP4.13"2.49" 1-5/8" 2,00015,000303SS1.95
8HS-G-S61"1"-11 BSPP4.13"2.49" 1-5/8" 2,00015,000316SS1.95
12HS-G-SS1-1/2"1-1/2"-11 BSPP4.81"3.00" 2-5/8" 1,5008,500303SS4.68
12HS-G-S61-1/2"1-1/2"-11 BSPP4.81"3.00" 2-5/8" 1,0007,000316SS4.68

FNPTF
 Part #Body SizeThread Size [A]O.A.L [B]Max O.D. [C]Hex [D]Working PressureBurst PressureMaterialsWeight Lbs.
1HP-SS1/8"1/8"-27 NPTF1.28".65" 9/16" 3,50029,500303SS0.03
1HP-S61/8"1/8"-27 NPTF1.28".65" 9/16" 3,50029,500316SS0.03
2HP-SS1/4"1/4"-18 NPTF1.55".83" 3/4" 3,50031,500303SS0.08
2HP-S61/4"1/4"-18 NPTF1.55".83" 3/4" 3,50033,000316SS0.08
3HP-SS3/8"3/8"-18 NPTF1.70".97" 7/8" 3,50026,500303SS0.12
3HP-S63/8"3/8"-18 NPTF1.70".97" 7/8" 3,50028,000316SS0.12
4HP-SS1/2"1/2"-14 NPTF1.94"1.17" 1-1/16" 3,50027,500303SS0.24
4HP-S61/2"1/2"-14 NPTF1.94"1.17" 1-1/16" 3,50022,000316SS0.24
6HP-SS3/4"3/4"-14 NPTF2.41"1.44"1-5/16" 3,00016,000303SS0.46
6HP-S63/4"3/4"-14 NPTF2.41"1.44"1-5/16" 3,00021,500316SS0.46
8HP-SS1"1"-11 1/2 NPTF2.87"1.79" 1-5/8" 2,00015,000303SS0.76
8HP-S61"1"-11 1/2 NPTF2.87"1.79" 1-5/8" 2,00015,000316SS0.76
10HP-SS1-1/4"1-1/4"-11 1/2 NPTF4.50"2.60" 2-3/8" 2,00010,000303SS2.19
1210HP-SS1-1/2"1-1/4"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,0008,500303SS3.1
12HP-SS1-1/2"1-1/2"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,5008,500303SS3.1
12HP-S61-1/2"1-1/2"-11 1/2 NPTF4.81"3.00" 2-5/8" 1,0007,000316SS3.1

FBSPP
 Part #Body SizeThread Size [A]O.A.L [B]Max O.D. [C]Hex [D]Working PressureBurst PressureMaterialsWeight Lbs.
2HP-G-SS1/4"1/4"-19 BSPP1.55".83" 3/4" 3,50031,500303SS0.08
2HP-G-S61/4"1/4"-19 BSPP1.55".83" 3/4" 3,50033,000316SS0.08
3HP-G-SS3/8"3/8"-19 BSPP1.70".97" 7/8" 3,50026,500303SS0.12
3HP-G-S63/8"3/8"-19 BSPP1.70".97" 7/8" 3,50028,000316SS0.12
4HP-G-SS1/2"1/2"-14 BSPP1.94"1.17" 1-1/16" 3,50027,500303SS0.24
4HP-G-S61/2"1/2"-14 BSPP1.94"1.17" 1-1/16" 3,50022,000316SS0.24
6HP-G-SS3/4"3/4"-14 BSPP2.41"1.44"1-5/16" 3,00016,000303SS0.46
6HP-G-S63/4"3/4"-14 BSPP2.41"1.44"1-5/16" 3,00021,500316SS0.46
8HP-G-SS1"1"-11 BSPP2.87"1.79" 1-5/8" 2,00015,000303SS0.76
8HP-G-S61"1"-11 BSPP2.87"1.79" 1-5/8" 2,00015,000316SS0.76
12HP-G-SS1-1/2"1-1/2"-11 BSPP4.81"3.00" 2-5/8" 1,5008,500303SS3.1
12HP-G-S61-1/2"1-1/2"-11 BSPP4.81"3.00" 2-5/8" 1,0007,000316SS3.1

Plugs

Plugs

  Part #Body SizeThread Size [A]O.A.L
[B]
Max O.D.
[C]
Hex
[D]
Air Flow @ 100 PSI 10 PSI Pressure DropBurst
Pressure
Weight
Lbs.
seriesh-plug1HSB1/8"1/8"1.90".93"9/16"300016,5000.16
2HSB1/4"1/4"2.26"1.12"7/8"300015,000 0.32
3HSB3/8"3/8"2.51"1.42"1-1/16"2500 12,0000.43
4HSB1/2"1/2"2.86"1.86"1-5/16"250011,5000.80
6HSB3/4"3/4"3.55"2.22"1-5/16"200012,0001.36
8HSB1"1"4.13"2.49"1-5/8"15008,5001.99
10HSB1 1/4"1 1/4"4.50"2.60"2-3/8"10006,5003.50
12HSB1 1/2"1 1/2"4.81"3.00"2-5/8"10006,5004.70

Plugs
 Part #Body
Size
Thread
Size [A]
O.A.L
[B]
Max O.D.
[C]
Hex
[D]
Working PressureBurst
Pressure
Weight Lbs.
seriesh-plug21HPB1/8"1/8"1.28".65"9/16" 300016,5000.04
2HPB1/4"1/4"1.55".83"3/4" 300015,0000.09
3HPB3/8"3/8"1.70".97"7/8" 250012,0000.1
4HPB1/2"1/2"1.94"1.17"1-1/16" 250011,5000.25
6HPB3/4"3/4"2.41"1.44"1-5/16" 200012,0000.5
8HPB1"1"2.87"1.79"1-5/8" 15008,5000.76
10HPB1 1/4"1 1/4"4.25"2.60"2-3/8" 10006,5002.19
12HPB1 1/2"1 1/2"4.76"2.88"2-5/8" 10006,5003.1


Black Nitrile Dust Caps and Dust Plugs

 Part #Body Size 
dust-cap-plug1DCM1/8"Dust Cap
1DPM1/8"Dust Plug
2DCM1/4"Dust Cap
2DPM1/4"Dust Plug
3DCM3/8"Dust Cap
3DPM3/8"Dust Plug
4DCM1/2"Dust Cap
4DPM1/2"Dust Plug
6DCM3/4"Dust Cap
6DPM3/4"Dust Plug
8DCM1"Dust Cap
8DPM1"Dust Plug

Specs Steel
Socket Body: Steel
Socket Sleeve: Steel
Plug Body: Hardened Steel
Valves: Hardened Steel
Back Up Ring: Teflon
Seals: Buna-N

Specs Brass
Socket Body: Brass
Socket Sleeve: Brass
Plug Body: Brass
Valves: Brass
Seals: Buna-N

Specs Stainless
Socket Body: 303SS
Socket Sleeve: 303SS
Plug Body: 303SS
Valves: 303SS
Seals: Buna-N
Use Suffixes Below
For Other Seals

-VT (Viton)
-EP (Ethylene Propylene)
-NE (Neoprene)
-SI (Silicone)

Material Types
• Steel
• B (Brass)
• SS (303 Stainless Steel)

Options
One Way Shut-off Use
Suffix -VA After Part#

Straight Thru Use
Suffix -ST After Part#

Sleeve Lock Use
Suffix -SL After Part#
Dust Plugs and Dust Caps Specs
Red in color, made of PVC rubber blend. These prevent dust, water and mud from entering the coupler or plug and preventing clogging and corrosion. Essentially extending the life of the quick disconnect coupling.