Specifications

1.API 8A/ 8C
2.Best service,good quality
3.Competive price
4.Large range, high torque, long service life and safe

 TJA casing and tubing coupling bucking unit

Product Explanation:TJA Series of casing and tubing coupling bucking unit is widely applicable for casing and tubing manufacturing, and oil field service. Among which the TJA series is the most representive casing and tubing making equipment with most mature technology and most advanced structure. The bucking unit follows API tubing thread connection requirements, especially suitable for screwin screwout of multiple kinds of coupling. Never-stick gripping mechanism and precise torque-control system provide whole computer moninor during screwing process. Manual, semi-automatic, fully automatic are available, and features large range, high torque, long service life and safe and reliable. The product has awarded national invention patent
Product types and specifications:

Model			TJA7″-25	TJA95/8″-40		TJA133/8″-45		TJA20″-50
Applicable size		mm	Φ60.33—Φ177.8	Φ60.33—Φ244.48		Φ60.33—Φ340		Φ244.48-Φ508
		in	23/8—7	23/8—95/8		23/8—133/8		95/8—20
Torque	Hi gear	kN.m	15	14		16		17.6
		ft.lbf	11060	10320		11800		12980
	Low gear	kN.m	25	40		45		50
		ft.lbf	18440	29500		33190		36870
Speed	Hi gear	rpm	1-28	0.95-26		0.63-23.7		0.7-20.3
	Low gear	rpm	0.53-11.1	0.37-9.3		0.23-8.3		0.25-7
Central height		mm	1100	1150		1150		1200
		in	43.31	45.28		45.28		47.24
Core Dia		mm	235	315		400		565
		in	9.25	12.4		15.75		22.24
Shifting Stroke		Mm	800	800		800		800
		in	31.5	31.5		31.5		31.5
Hydraulic sytem Maximum pressure		MPa	20
		psi	2900
Hydraulic system Flow		L/min	5-185
		gpm	1.3-48.9
Air control system	Pressure	MPa	0.4-1
		psi	58-145
	Air consumption	m3/h	2
		cfm	1.2
Overall dimensions		mm	3210×1280×1650	3220×1300×1700	3250×1300×1700		3520×1450×1800
		in	126.4×50.4×65	126.8×51.2×67	128×51.2×67		138.6×57×70.9
Weight		kg	8000	10800	10800		12000
		lb	17600	23760	23760		26400