Product series
DF
Applications

Diagnostic couplings, ISO 15171-1 interchange

Flat face couplings specifically designed to measure the internal pressure of hydraulic circuits. Male part to be mounted on the hydraulic line and female part to be connected to gauge instruments. ISO 15171-1 interchange.
Downloads
Female

Female

Filter items
Units
PartNumber Thread Details HEX1 D1 L1
6,3 1/4" DF 04-14NPT F NPTF 1/4" FEMALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 113.3 g 0.25 lb
21 0.83 24 0.94 1.97 50
6,3 1/4" DF 04-18NPT F NPTF 1/8" FEMALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 100.6 g 0.22 lb
21 0.83 24 0.94 1.65 42
6,3 1/4" DF 04-1/14NPT F 1/4" NPTF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 108.3 g 0.24 lb
21 0.83 24 0.94 2.2 56
6,3 1/4" DF 04-14GAS F BSPP 1/4" FEMALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 119.1 g 0.26 lb
21 0.83 24 0.94 2.07 52.5
6,3 1/4" DF 04-14SAE F 7/16"-20 UNF FEMALE ORB
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 128 g 0.28 lb
21 0.83 23.5 0.93 2.13 54
6,3 1/4" DF 04-38SAE F 9/16"-18 UNF FEMALE ORB
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 119.1 g 0.26 lb
21 0.83 23.5 0.93 2.13 54
6,3 1/4" DF04-0/1415 F M14x1,5 FEMALE ORB
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 114.2 g 0.25 lb
21 0.83 24 0.94 2.03 51.5
Male

Male

Filter items
Units
PartNumber Thread Specs HEX1 HEX2 D1 D3 L1
6,3 1/4" DF04-21/18G MT 1/8" BSPP MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 37.7 g 0.08 lb
17 0.67 21 0.83 12.55 0.49 1.61 40.8
6,3 1/4" DF 04-1/14GASM 1/4" BSPP MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 36.2 g 0.08 lb
19 0.75 21 0.83 12.55 0.49 1.54 39.1
6,3 1/4" DF 04-1/14NPTM 1/4" NPTF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 37 g 0.08 lb
19 0.75 21 0.83 12.55 0.49 1.62 41.1
6,3 1/4" DF 04-14NPT M NPTF 1/4" FEMALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 48.3 g 0.11 lb
19 0.75 21 0.83 12.55 0.49 1.57 40
6,3 1/4" DF 04-14SAE M 7/16"-20 UNF FEMALE ORB
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 54.6 g 0.12 lb
19 0.75 21 0.83 12.55 0.49 1.65 42
6,3 1/4" DF 04-18NPT M NPTF 1/8" FEMALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 45.8 g 0.1 lb
19 0.75 19 0.75 12.55 0.49 1.42 36.1
6,3 1/4" DF 04-38SAE M 9/16"-18 UNF FEMALE ORB
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 50 g 0.11 lb
17 0.67 19 0.75 12.55 0.49 1.46 37
6,3 1/4" DF04-1/12SAEM T 3/4"-16 UNF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 75 g 0.17 lb
24 0.94 27 1.06 12.55 0.49 1.67 42.5
6,3 1/4" DF04-1/14SAE M 7/16"-20 UNF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 35.3 g 0.08 lb
17 0.67 19 0.75 12.55 0.49 1.59 40.5
6,3 1/4" DF04-1/1815 M M18x1,5 MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 68 g 0.15 lb
24 0.94 27 1.06 12.55 0.49 1.74 44.1
6,3 1/4" DF04-1/18NPT M 1/8" NPTF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 35.9 g 0.08 lb
17 0.67 19 0.75 12.55 0.49 1.61 40.9
6,3 1/4" DF04-1/316SAEMT 3/8"-24 UNF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 36.6 g 0.08 lb
17 0.67 19 0.75 12.55 0.49 1.53 38.9
6,3 1/4" DF04-1/38SAE M 9/16"-18 UNF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 31 g 0.07 lb
17 0.67 19 0.75 12.55 0.49 1.46 37.1
6,3 1/4" DF04-1/516SAEM 1/2"-20 UNF MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 32.2 g 0.07 lb
19 0.75 21 0.83 12.55 0.49 1.42 36.1
6,3 1/4" DF04-12/14SAEM 9/16"-18 UNF MALE BULKHEAD ORFS
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 72 g 0.16 lb
19 0.75 24.5 0.96 21 0.83 12.55 0.49 2.45 62.2
6,3 1/4" DF04-13/38SAEM 9/16"-18 UNF MALE JIC
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 36.5 g 0.08 lb
19 0.75 21 0.83 12.55 0.49 1.62 41.1
6,3 1/4" DF04-21/1215M T M12x1,5 MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 47.7 g 0.11 lb
19 0.75 21 0.83 12.55 0.49 1.77 44.9
6,3 1/4" DF04-21/1415M M14x1,5 MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 39.6 g 0.09 lb
19 0.75 21 0.83 12.55 0.49 1.66 42.1
6,3 1/4" DF04-21/14G M 1/4" BSPP MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 45.6 g 0.1 lb
19 0.75 21 0.83 12.55 0.49 1.77 44.9
6,3 1/4" DF04-27/14SAEM 9/16"-18 UNF FEMALE SAE FEMALE ORFS
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 36.7 g 0.08 lb
17 0.67 19 0.75 12.55 0.49 1.6 40.6
6,3 1/4" DF04-28/38SAEM 9/16" -18 UNF FEMALE JIC
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 44 g 0.1 lb
19 0.75 21 0.83 12.55 0.49 1.5 38.1
6,3 1/4" DF04-29/12SAEM 3/4"-16 UNF FEMALE JIC
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 23.4 g 0.05 lb
22 0.87 24.5 0.96 12.55 0.49 1.68 42.6
6,3 1/4" DF04-35/12SAEM 13/16"-16 UN FEMALE ORFS
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 57.1 g 0.13 lb
24 0.94 26 1.02 12.55 0.49 1.54 39.1
6,3 1/4" DF04-35/38SAEM 11/16"-16 UN FEMALE ORFS
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Temperature: -25 °C to 125 °C -13 °F to 257 °F
Seals: NBR
Weight: 45.8 g 0.1 lb
22 0.87 24 0.94 12.55 0.49 1.39 35.4
6,3 1/4" DF04-21/18G M 1/8" BSPP MALE
Specs
Flow Rate: 2 (l/min) at 0.2 MPa 0.528 (gal/min) at 0.2 MPa
Seals: NBR
17 0.67 19 0.75 12.55 0.49 1.61 40.8
  • Dust Protections

Accessories & Spares

PVC caps male Dust Protection - PVC - Male
Size Part Number Color
1/4"
6,3 mm
TFDF 04
Black
Technical Specifications
Dash Size Size (mmInch) Working Pressure Flow Rate (l/mingal/min) Spillage (ml) Force to connect (N) Male Burst pressure Female Burst pressure Male + Female Burst pressure
04 6.3 1/4" 47 MPa 6816.774 psi 2 0.528 0.01 70 190 MPa 27557.17 psi 150 MPa 21755.661 psi 180 MPa 26106.793 psi
Material:
Steel
Seals:
NBR
Working temperatures:
-25 °C to 125 °C -13 °F to 257 °F
Surface treatment:
MATE 500 (CrIII)
Specifications:
Series Interchange: ISO 15171-1
Valve Type: Flat
Connection: Push to Connect
Disconnection: Sleeve Retraction
Connection Under Pressure: Not Allowed

Pressure Drop

Data shown in the diagram are indicative and not binding.
(§) 1 MPa = 10 bar
Dash size are specified.

DF flow diagram