Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-STI1-FI

PISTON-STI1-FA

1

7

1.1

PISTON-STI2-FI

PISTON-STI2-FA

2

7

2.2

PISTON-STI3-FI

PISTON-STI3-FA

3

9

3

PISTON-STI4-FI

PISTON-STI4-FA

4

7

4

PISTON-STI5-FI

PISTON-STI5-FA

5

8

5

PISTON-STI6-FI

PISTON-STI6-FA

6

9

6

PISTON-STI8-FI

PISTON-STI8-FA

8

11

8

PISTON-STI10-FI

PISTON-STI10-FA

10

13

10

PISTON-STI15-FI

15

19

15.4

PISTON-STI20-FI

20

24

19

PISTON-STI25-FI

25

28

24

Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-RA1-FI

PISTON-RA1-FA

1

7

1.1

PISTON-RA2-FI

PISTON-RA2-FA

2

7

2.2

PISTON-RA3-FI

PISTON-RA3-FA

3

9

3

PISTON-RA4-FI

PISTON-RA4-FA

4

7

4

PISTON-RA5-FI

PISTON-RA5-FA

5

8

5

PISTON-RA6-FI

PISTON-RA6-FA

6

9

6

PISTON-RA8-FI

PISTON-RA8-FA

8

11

8

PISTON-RA10-FI

PISTON-RA10-FA

10

13

10

PISTON-RA15-FI

15

19

15.4

PISTON-RA20-FI

20

24

19

PISTON-RA25-FI

25

28

24

Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-IL1-FI

PISTON-IL1-FA

1

7

1.1

PISTON-IL2-FI

PISTON-IL2-FA

2

7

2.2

PISTON-IL3-FI

PISTON-IL3-FA

3

9

3

PISTON-IL4-FI

PISTON-IL4-FA

4

7

4

PISTON-IL5-FI

PISTON-IL5-FA

5

8

5

PISTON-IL6-FI

PISTON-IL6-FA

6

9

6

PISTON-IL8-FI

PISTON-IL8-FA

8

11

8

PISTON-IL10-FI

PISTON-IL10-FA

10

13

10

PISTON-IL15-FI

15

19

15.4

PISTON-IL20-FI

20

24

19

PISTON-IL25-FI

25

28

24

Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-DO1-FI

PISTON-DO1-FA

1

7

1.1

PISTON-DO2-FI

PISTON-DO2-FA

2

7

2.2

PISTON-DO3-FI

PISTON-DO3-FA

3

9

3

PISTON-DO4-FI

PISTON-DO4-FA

4

7

4

PISTON-DO5-FI

PISTON-DO5-FA

5

8

5

PISTON-DO6-FI

PISTON-DO6-FA

6

9

6

PISTON-DO8-FI

PISTON-DO8-FA

8

11

8

PISTON-DO10-FI

PISTON-DO10-FA

10

13

10

PISTON-DO15-FI

15

19

15.4

PISTON-DO20-FI

20

24

19

PISTON-DO25-FI

25

28

24

Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-TS1-FI

PISTON-TS1-FA

1

7

1.1

PISTON-TS2-FI

PISTON-TS2-FA

2

7

2.2

PISTON-TS3-FI

PISTON-TS3-FA

3

9

3

PISTON-TS4-FI

PISTON-TS4-FA

4

7

4

PISTON-TS5-FI

PISTON-TS5-FA

5

8

5

PISTON-TS6-FI

PISTON-TS6-FA

6

9

6

PISTON-TS8-FI

PISTON-TS8-FA

8

11

8

PISTON-TS10-FI

PISTON-TS10-FA

10

13

10

PISTON-TS15-FI

15

19

15.4

PISTON-TS20-FI

20

24

19

PISTON-TS25-FI

25

28

24

Fine Thread

Fast Thread

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-TB1-FI

PISTON-TB1-FA

1

7

1.1

PISTON-TB2-FI

PISTON-TB2-FA

2

7

2.2

PISTON-TB3-FI

PISTON-TB3-FA

3

9

3

PISTON-TB4-FI

PISTON-TB4-FA

4

7

4

PISTON-TB5-FI

PISTON-TB5-FA

5

8

5

PISTON-TB6-FI

PISTON-TB6-FA

6

9

6

PISTON-TB8-FI

PISTON-TB8-FA

8

11

8

PISTON-TB10-FI

PISTON-TB10-FA

10

13

10

PISTON-TB15-FI

15

19

15.4

PISTON-TB20-FI

20

24

19

PISTON-TB25-FI

25

28

24

Cat No

Stopcock Size

Side Arm I/D

Side Arm O/D

PISTON-NV1-FI

PISTON-NV1-FA

1mm Capillary

6mm

PISTON-NV2-FI

PISTON-NV2-FA

2mm Capillary

6mm

PISTON-NV3-FI

PISTON-NV3-FA

3mm Capillary

6mm

PISTON-NV4-FI

PISTON-NV4-FA

4mm Bore

7mm

PISTON-NV6-FI

PISTON-NV6-FA

6mm Bore

9mm

PISTON-NV9-FI

PISTON-NV9-FA

9 Bore

12mm

Right Angle

In Line

Stopcock Size

Side Arm O/D

Side Arm I/D

PISTON-GP1-FI

PISTON-GP1-FA

2

7mm

2mm Capillary

PISTON-GP2-FI

PISTON-GP2-FA

5

7mm

5mm

PISTON-GP3-FI

PISTON-GP3-FI

8

10mm

8mm

Stopcock type

Standard colour

Other available colours

Fine thread

Yellow

Red, blue, green, orange

Fast thread

White

Black

NMR

Yellow

Blue, red

Cat Ref

PISTON/S/NMR/5

WILLMAD 505-PS 7"

PISTON/S/NMR/10

WILLMAD 513-1PP 7"

PISTON/S/NMR/5/V

PISTON/S/NMR/10/v