Page 127 - 2022FittingsCatalog

GROOVED PIPE COUPLINGS

Grooved pipe couplings are used to join pipes after grooves have been Pipe Max. Working
applied with a roll-grooving machine such as a RIDGID 918. When Part No. Size Pressure
installing couplings always lubricate the gasket exterior and lip as well G38VF… HEAVY DUTY FLEXIBLE GROOVED COUPLING
as the inside of the coupling to avoid pinching the gasket. Stretch the
gasket over the pipe ends then place the coupling segments over the For general piping applications where flexibility is required to deal with
misalignment, distortion, thermal stress, and vibration. Also called Style 77
gasket and fasten the nuts and bolts. Tighten until there is metal to coupling.
metal contact on the bolt pads, then tighten another 1 ⁄4 to 1 ⁄2 turn. With EPDM gasket
CRN numbers for grooved fittings are available on request. Maximum G38VF-200 2" 1000 psi
working pressures are based on a 3:1 safety factor, but may be affected G38VF-300 3" 1000
by pipe wall thickness, material, and type of groove. Grooved couplings G38VF-400 4" 1000
are suitable for vacuum service up to 10” Hg G38VF-600 6" 1000
Other gasket materials are available.
For grooved pipe assembly lubricant see G38-GL2 Groove Lube in the With Grade T Nitrile gasket
accessories section at the end of this catalog. G38VFT-200 2" 1000 psi
G38VFT-300 3" 1000
G38VFT-400 4" 1000
Pipe Max. Working G38VFT-600 6" 1000
Part No. Size Pressure
G38HDPE... HEAVY DUTY HDPE PIPE COUPLING G38VQ… HINGED LEVER COUPLING
For HDPE pipe coupling applications. Please note, since the working pressure For moderate pressure piping systems where quick connection and
of G38HDPE is much greater than HDPE pipe, working pressures of the system disconnection are required. Use of the split pin prevents accidental opening.
are governed by the pipe and can vary based on composition, wall thickness Also referred to as a Style 78 coupling.
and service temperatures. With EPDM gasket
With EPDM gasket G38VQ-200 2" 300 psi
G38HDPE-400 4" G38VQ-300 3" 300
G38HDPE-600 6" G38VQ-400 4" 300
G38HDPE-800 8" G38VQ-600 6" 300
With Grade T Nitrile gasket
G38VQT-200 2" 300 psi
G38VQT-300 3" 300
G38VQT-400 4" 300
G38VQT-600 6" 300
G38VHDPE... HEAVY DUTY GROOVED HDPE TRANSITION COUPLING
For connecting HDPE pipe or fittings to grooved end steel pipe. Please note, G38VX… EPDM GASKET FOR GROOVED COUPLINGS
since the working pressure of G38VHDPE is much greater than HDPE pipe, Green stripe for water service
working pressures of the system are governed by the pipe and can vary based Temperature range: -34 C (-29 F) to 110 C (230 F)
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on composition, wall thickness and service temperatures. G38VX-150 1 1 ⁄2"
With EPDM gasket G38VX-200 2"
G38VHDPE-400 4" G38VX-250 2 1 ⁄2"
G38VHDPE-600 6" G38VX-300 3"
G38VHDPE-800 8" G38VX-400 4"
G38VX-500 5"
G38VX-600 6" Iron & Steel Pipe Fittings
G38VXT… NITRILE GASKET FOR GROOVED COUPLINGS
Orange stripe for petroleum service
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G38V… HEAVY DUTY RIGID GROOVED COUPLING Temperature range: -29 C (-20 F) to 82 C (180 F) (water service maximum
65 C (150 F)
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For general piping applications where rigidity is required. Commonly referred G38VXT-150 1 1 ⁄2"
to as a Style 07 coupling.
G38VXT-200 2"
With EPDM gasket G38VXT-250 2 1 ⁄2" 13
G38V-150 1 1 ⁄2" 750 psi G38VXT-300 3"
G38V-200 2" 750 G38VXT-400 4"
G38V-250 2 1 ⁄2" 750 G38VXT-500 5"
G38V-300 3" 750 G38VXT-600 6"
G38V-400 4" 750
G38V-500 5" 750
G38V-600 6" 700 G0819V 150# ANSI FLANGE ADAPTER FOR GROOVED PIPE
G38V-800 8" 400 Allows for direct connection to grooved pipe end. Cross referenced as a Style
G38V-1000 10" 400 741 adapter.
With Grade T Nitrile gasket G0819V-200 2" 300 psi
G38VT-200 2" 750 psi G0819V-300 3" 300
G38VT-300 3" 750 G0819V-400 4" 300
G38VT-400 4" 750 G0819V-600 6" 300
G38VT-600 6" 700

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