Flat Face Screw Type Couplings
Connectable Under Pressure
PVT4 Series
Features and Benefits
• A non-interchangeable upgrade to the FSI Series
• High Tech Z-786 Anti-Corrosion plating salt spray
tested for 700 hrs before any appearance of surface
red rust
• Slimmer design than FSI with no loss in flow rate
• High working pressures
• Seal is blowout resistant to 5,000 PSI when
connecting or disconnecting with residual
pressure
Applications
• Used in a wide range of industrial markets where
connecting and disconnecting of hydraulic circuits is
• Exceeds 1,000,000 impulse cycles
needed
• High pressure, low pressure drop and high impulse • Flat face design eliminates spillage upon
applications
disconnection
• Oilfield: drilling rigs, oilfield service and drilling
equipment, cranes, heavy equipment, hammer
attachments and much more
• Thread to connect style coupling eliminates
brinneling issues
Notes
Aluminum caps and plugs play a crucial role in
extending the life of the coupling set. Caps and Plugs
are available in an assortment of colors.
• Heavy Duty Hex Nut
• Standard Threads: NPT, SAE, BSPP, DIN, Code 62
Key Note: PVT4 22-20 is a DNP Americas exclusive size
Body
Size
Working
Pressure
(PSI)
Burst
Pressure
(PSI)
Flow @ 14.5
PSID
(GPM)
Max Flow
(GPM)
Max Connect
Pressure
(PSI)
Fluid Spillage
(CC)
1/4”
3/8”
1/2”
3/4”
1”
1-1/4”
1-1/4”
*1-3/8”
1-1/2”
2”
2
Thread
Size
1/4”
3/8”
1/2”
3/4”
1”
1”
1-1/4”
1-1/4”
1-1/2”
2”
9,000
6,500
6,500
6,500
6,200
6,200
6,200
6,000
5,700
5,700
27,550
20,300
20,300
20,300
20,300
20,300
20,300
20,300
20,300
20,300
3.17
6.08
12
20
26.5
50
50
70
100
200
6.34
12.15
24
40
53
75
75
125
185
265
5,000
5,000
5,000
5,000
5,000
5,000
5,000
5,000
5,000
5,000
.008
.010
.012
.015
.020
.030
.030
.040
.050
.100
DNP Americas | 281-388-0253 | Fax 281-388-1902 | www.dnpamericas.com