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JINCHENG Plastic PP and PE Underground Inspection Manhole with 4 Derivations

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♣PRODUCT DESCRIPTION

Internal diameter Inspection well
315*200	315*225	315*300	450*200	450*225	450*300
450*400	500*225	500*300	500*400	500*500	630*225
630*300	630*400	630*500	630*600	700*300	700*400
700*500	700*600

Outside diameter Inspection well
200*110ه	200*160ه	315*160ه	315*200ه	315*250ه
315*315ه	450*250ه	450*315ه	450*400ه	500*250ه
500*315ه	500*400ه	500*500ه

♣TECHNICAL PARAMETERS

العنصر	حالة				Requirement
حمولة	Static load	≤315mm		25KN	No crack
		450مم		45KN
		630مم		60KN
Impact resistant	20℃ ± 2℃, 1كلغ, 90° of drop hammer, 2.5م				No breakdown
Negative pressure test	Normal temperature 20℃~25℃	Base diameter (مم)		Air pressure(1000h)	No crack
		≤450		-0.03MPa
		>450		-0.01ح MPa
Resistance to shear	Pipe joint diameter de/mm			Load KN	No crack
	400			6
	500			8
	≥630			10
Sealing performance	Body connection	0.05MPa Water pressure			No leakage
	Pipe connection	Radial deformation	23℃± 2℃ pipe deformation 10 hole pipe socket deformation 5%	0.005MPa hydraulic ضغط (15دقيقة)	No leakage
				0.05MPa hydraulic ضغط (15دقيقة)	No leakage
				-0.03MPa hydraulic pressure (15دقيقة)	≤-0.027MPa
		Angle deflection	23℃± 2℃ DN/OD≤315,2° 400≤DN/OD≤630,1.5° DN/OD>630,1°	0.005MPa hydraulic ضغط (15دقيقة)	No leakage
				0.05MPa hydraulic pressure(15دقيقة)	No leakage
				-0.03MPa hydraulic pressure(15دقيقة)	≤-0.027MPa

♣ CONSTRUCTUON PROCEDURE