CPVC Sprinkler Piping
Transcript of CPVC Sprinkler Piping
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Innovation in MEP
CPVC Sprinkler PipingPRM 25th-26th ,28th June 2013
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Introduction
CPVC pipes have replaced steel pipes for sprinklers across world
successfully rendering trouble free service since 1986
Use in horizontal grid sprinkler piping in residential floors
Product is recommended by NFPA & approved by International codes
Bureau of Indian Standards has published code IS 16088Standard for CPVC pipe in fire extinguishing systems
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Fire Test as per UL 1821
Fire reaches 760C (1,400F)
After approximately 1
minute, sprinkler head
activates
Pipe is in direct contact with
fire plume at 370C - 480C
(700F900F) for a total of
10 minutes
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Fire Test
System inspected - no damageother than charring on the outside
surface
Inside Pipe Properties remain
unchanged
System then tested at 1,207 kPa
(175 psi) (12 Bar) for 5 minutes
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Fire Endurance Test
IMO test requirements were :
pipe: 1 SR 13.5 (PN 16) Temperature from 900C to 1200C
flow rate ca. 32 l/min test was run for 30 min. without
leakage
stagnant water pressure for 30 min.
followed by hydrostatic pressure test of 4.2 bar for 5 min.
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Listing & Approvals
IS :16088 Specification for CPVC pipes for Automatic Fire Sprinkler Systems.
NSF potable water certification in USA
NFPA 13, NFPA 13D, NFPA 13R, NFPA 90A, NFPA 24
UL Listed (Specially Listed Product)
UL-C and C-UL Listed
Factory Mutual FM Approved
LPCB approved
VdS Approved for LH, OH I, OH II, OH III and OH IV (for exhibition and concert
halls, cinemas, theaters only)
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Advantages
Corrosion and Scale Resistance
Faster completion than metal pipes.
CPVC systems may be field fabricated and this requires lessupfront engineering
Quiet, clean and light weight means easy fabrication
Easy installation and easily transported to other floors
No Maintenance required- 50 year life expectancy
Have better Hydraulic characteristics than metal pipes
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Limitations
Not suitable for basement
Cannot be used in risers
Upto 3 maximum diameter
Not LISTED for outdoor applications
Used in sprinkler heads rated at 107C or lower
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Pipe & Fittings Standards
Pipe produced in SDR 13.5 dimensions
Pipe manufactured per ASTM F442/ IS:16088
Fittings are Schedule 40 for to 1 and Schedule 80 for 1 to 3
Fittings manufactured per ASTM F437, F438, F439 or F1970 Pipe and fittings are available from 3/4 to 3 (20 mm to 80 mm) in size
A full line of solvent weld fittings and transitions fittings
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Costing
Drawings to be forwarded for cost benefit analysis
Material cost savings generate 5 % on material costs
when compared with MS or GI
Real savings achieved in time
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Way Forward
Acceptance by various CFOs but cannot provide blanket approval
Developer has to propose upon which it will be studied by CFO
Ideal for projects where sprinklers are required in high rise
Residential floors
Brand name is Blazemaster marketed in India by M/s Astral
Vellore Institute of Technology in Chennai- 4,000 sprinklers