Holedall Fittings
421
DPL714
877.963.4966 •
dixonvalve.com
M
External Swage High Pressure Couplings
Holedall Internal Expansion Couplings
Stem and Ferrule Complete Assemblies
Applications:
Intended for services requiring a fitting to withstand extremely high pressures (up to
3,000
PSI
at 70°F) and severe operating
conditions including: small and medium size drilling rigs, slim hole applications and core drill, workover, seismograph, water well,
blast or shot holes.
Features:
sold as a complete coupling (stem and matching ferrule)
must provide hose OD when ordering for a properly sized ferrule; make sure both ends of the hose are measured for OD
must be swaged with 50 Ton or 100 Ton Ram
API and NPT sizes are interchangeable
stems are machined from seamless pipe and tubing with specially designed serrations
ferrules are machined from a heavy wall material incorporating matching serrations
Applications:
Essential in applications requiring maximum flow including: concrete pump hose, plaster and grout hose, oil suction and
discharge hose, multi-purpose heavy duty air hose, jetting hose, barge loading hose and bottom loading hose.
Features:
maximum flow of media
reduction of turbulence through hose
excellent sealing and retention characteristics
outperforms band clamps
easy and consistent installation
only one expansion tool is needed for each hose ID
available end configurations: male NPT, raised end (California style), grooved, others available contact Dixon
Cross-section of Holedall internally expanded assembly
excellent
hose
retention
ferrule
stem
hose ID
Dixon Holedall stems and ferrules are specifically designed to be used together as a coupling
system. Due to differences in dimensions and tolerances, for safety reasons, do not use other
manufacturer's stems or ferrules with Dixon Holedall products.
Male API Thread Coupling Units
Male NPT Thread Coupling Units
Hose ID
NPT Size
Zinc Plated Steel
Part #
Price/E
2"
2"
LM32-*
POR
2½"
2½"
LM40-*
POR
3"
3"
LM48-*
POR
Hose ID
API Size
Zinc Plated Steel
Part #
Price/E
2"
2½"
LM3240- *
POR
2½"
3"
LM4048- *
POR
3"
4"
LM4864- *
POR
*
an accurate hose OD must be provided to complete the part # and to ensure proper retention