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Vacuum sizing machine, draft gear

Vacuum sizing machine
1.Vacuum sizing tank and waterway system are optically designed and made of stainless steel.
2.Waterway system and vacuum system are stable and can be adjusted.
3.Vacuum tank can be adjusted levelly and vertically.

Model	STV63	STV63	STV63	STV63	STV63	STV63
Range	16-63	32-125	63-250	110-450	250-630	315-800
Length of Vacuum Tank	5900
Water Pump	1*1.5	1*5.5	1*5.5	2*5.5	2*5.5	2*7.5
Vacuum Pump	1*2.2	1*2.2	1*4	2*4	2*4	2*4

caterpillar tractor

1.Caterpillar drive is controlled by direct-connection frequency variation
2.Upper caterpillar adopts cylindar soft compression which can automatically conform to different specs of pipeline and keep good contact pressure with pipeline; lower caterpillar can be adjusted by electricity vertically conforming to specs of pipeline.
3.Adopt v type rubber block with high friction coefficient

Parameter of caterpillar tractor

Model	QY125/3	QY250/4	QY450/4	QY630/6	QY800/6
drawing range/mm	φ32-φ125	φ63-φ250	φ110-φ450	φ250-φ630	φ315-φ800
caterpillar amount	2	3	4	6	6
contact length/mm	1200	1400	1600	1600	2000
max force/N	7500	10000	20000	30000	40000
haulage speed m/min	0.6-12	0.4-8	0.1-1.5	0.06-1.2	0.05-1

1、Adopt saw bit with special structure, the cut is smoothing and beautiful.
2、Cutting and rounding process can be simultaneously finished.

Model	QG250	QG450	QG630	QG800
max dia	250	450	630	800
Mini dia	63	110	250	315
Dia of saw blade	250	250	305	355
Cutting power	2.2	3	4	4
Course of saw blade	1500

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