ValveEdition.pdf | Page 21

FSI SERIES QUICK COUPLINGS
Flush Face - Screw Type - Connectable Under Pressure
Sizes: 1/4” thru 2”
CH2

CH1
Coupler/Female

OE

Nipple/Male

L2

L3

L1

Features and Benefits
• Exceeds 1,000,000 impulse cycles
• Flat face design eliminates spillage upon disconnection
• Thread to connect style coupling eliminates brinelling issues
• Heavy duty hex nut
• Standard threads: NPT, SAE, BSPP, DIN, Code 62

• Interchanges with Stucchi VEP
• High tech Z-786 anti-corrosion plating salt spray tested
for 700 hours before any appearance of surface red rust
• High working pressures
• Connects and disconnects by hand up to 4,400 PSI
• Seal is blowout resistant to 4,400 PSI when connecting
or disconnecting with residual pressure

DIMENSIONAL & PRESSURE RATING DATA
Body
CH1
Size

CH2

OE

L1

L2

L3

Flow
Rate
@ 14.5
PSID
(GPM)

Max Flow
Rate
(GPM)

Max
Working
(PSI)

Fluid
Spillage
(cc)

04

.86

.86

1.53

4.58

2.34

2.64

3.17

6.34

9,000

.008

06

1.18

1.18

1.64

5.39

2.95

3.05

6.08

12.15

6,500

.010

08

1.41

1.41

1.96

6.00

4.35

3.56

12

24

6,500

.012

12

1.41

1.41

2.17

6.25

4.60

3.54

20

40

6,500

.015

16

1.61

1.61

2.32

7.50

5.26

4.21

26.5

53

6,200

.020

20

2.16

2.16

2.75

8.45

4.37

4.98

50

74

6,200

.030

24

2.75

2.95

3.89

9.68

4.70

6.04

100

185

5,700

.050

200

265

5,700

32

.100

units: inches

Applications
• FSI series couplings are used in a wide range of industrial markets
when connecting and disconnecting is needed
• High pressure, low pressure drop and high impulse applications
• Drilling Rigs, Oilfield Services, Drilling Equipment, Cranes, Heavy
Equipment, Hammer Attachments and much more

ORDERING INFORMATION

QUICK COUPLING PART NUMBERING SYSTEM:

FSI - 08 - 08 - C

FSI SERIES

Body Size

Flush Face
Screw Type Coupling
Connect under
pressure

20

Body Size

-

NPT

Thread Size

Thread Size

04

1/4”

16

1”

04

1/4”

16

1”

06

3/8”

20

1-1/4”

06

3/8”

20

1-1/4”

08

1/2”

24

1-1/2”

08

1/2”

24

1-1/2”

12

3/4”

32

2”

12

3/4”

32

Coupler / Nipple

Thread Type
NPT

NPT

SAE

O-Ring/UNF

BSP

British Standard Parallel

2”

C

Coupler

N

Nipple

DNP Americas | 281-388-0253 | fax [phone] | www.dnpamericas.com