Grooved End Piping System 6 · 8/15/2019 · Grooved End Piping System Features Designed for Rolled or Cut Grooved Pipes Long Service Life Quick Installation • You only need to
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Quick Installation• You only need to position the special seat between the grooves of the
pipe or fittings, place the clamps over the gasket and screw on the bolts. Installation time is a fraction compared to welding, flanging or threading.
High Pressure Rating• All sizes of fittings and clamps are at least 230 psi rated
(PPR adaptor fittings are 190 psi rated at 20C (68ºF)
Perfect Seal under Pressure or Vacuum Ê• The gasket encircles and contains the joint. Positive internal fluid pressure
makes the gasket's internal surfaces seal. Negative internal fluid pressure works the same way by increasing seal contact pressure.
Vibration & Noise Attenuation • The specially designed EPDM seal acts as a damper to attenuate
propagation of noise and vibration.
Seismic Stress Absorption • Positive clamping into the pipe grooves effectively resists axial loads due
to internal fluid or external mechanical forces.
Easy Piping Alignment • Fittings and piping may be adjusted for correct alignment without
disassembly.
Piping Flexibility • The system is able to compensate for expansion, shrinkage and bending.
Piping accessories for vibration or expansion are not necessary.
Easy Maintenance• System may be unbolted to clean, maintain and operate the system.• Pipes may be rotated to extend service life.
Recycleable• Fittings are made of recycleable polypropylene
Rolled Pipes Cut Pipes
Pipe
AlfaRapidPipe Coupling
Gasket
Bolts
Vibration, noise attenuation and seismic adsorption
Easy alignment of piping
Ê Perfect fluid seal
2 Technical AR19Subject to change without notice.
Supplied special order not returnable
Chemline’s new Alfa Rapid™ grooved end piping system has mechanical connections using flexible pipe couplings. Grooved dimensions are the same as “Victaulic”. This unique new product line is an excellent alternative to conventional pipe flanges and pipe unions saving time, money and space. The line includes flexible pipe couplings 1-1/2” to 6” made of high strength glass reinforced polyamide and stainless steel bolts. A complete range of grooved end pipe fittings in polypropylene are available 1-1/2” to 4”. Ball valves with pipe coupling ends complete the system.
Flexibility
Technical AR19 3Subject to change without notice.Supplied special order not returnable
Grooved End Piping System
Pipe Coupling AssemblyÊ & Push the gasket
completely onto one side the grooved connection.
& Hold the grooved ends of the two fittings together and slide the gasket over, centering it between the two grooves.
Î & Ï Assemble the two clamp pieces over the gasket and assemble the bolts and nuts with washers.
& Tighten the nuts. Do not apply excessive torque.
Ê
Î Ï
Product
–10 to 95C
–10 to 95C
–10 to 95C
–10 to 95C
–10 to 60C
–10 to 95C
–10 to 95C
–10 to 95C
Materials
Maximum Working Pressure@ 20C (68oF)
PAG/EPDM
PAG/EPDM
PP
PE100
PVC
PPR
PP/Nitrile
PPR/Nitrile
WorkingTemperature
C oF
14 to 203oF
14 to 203oF
14 to 203oF
14 to 203oF
14 to 140oF
14 to 203oF
14 to 203oF
14 to 203oF
Sizes
1-1/2” to 2-1/2”*
3” to 6”
All
All
All
All
All
All
Pipe Clamps
Fittings
Valves
40
35
16
16
16
12.5
16
16
PN (Bar)
580
510
230
230
230
190
230
230
PSI
Working Pressures + Temperatures
Advantages of Alfa Rapid™ vs. Flanged Connections• Faster, cheaper installation• Faster dissassembly with only two bolts• Easier adjustment of piping after assembly • Lighter, less metal, two bolt sets versus four or eight• A more compact mechanical connection – space saving
* NOTE: 2-1/2” is available along with other fittings but in non-ANSI dimensions. OD = 2.99”. Consult Chemline.