ZSPA-554 Hydraulic Air Pump for Torque Wrench

ZSPA-554 Hydraulic Air Pump for Torque Wrench

 

 

 

The ZSPA-554 Hydraulic Air Pump is a high-performance, compact pump designed to power hydraulic torque wrenches in heavy-duty bolting applications. It is ideal for industries requiring precise torque control, including oil and gas, construction, power generation, shipbuilding, and mining. It ensures fast, efficient torque delivery with minimal manual effort, making it essential for bolting operations where accuracy and productivity are critical.

 

 

 

Features

 

 

 

• High Flow Rate: Ensures rapid pressure build-up to reduce cycle times, increasing work efficiency.
• Dual-Stage Pumping System: This system provides a high-flow, low-pressure mode for rapid piston extension and a high-pressure mode for precise torque application.
• Compact and Lightweight Design: Facilitates easy transport and setup, even in remote or confined work areas.
• Pressure Gauge: Large, easy-to-read gauge for accurate pressure monitoring during operation.
• Adjustable Pressure Control: Enables fine-tuning for torque accuracy, ensuring safe and reliable tightening of critical joints.
• Air-Powered Operation: Reduces the risk of overheating and makes the pump ideal for continuous heavy-duty applications.
• Integrated Safety Valve: Protects against overpressure to enhance tool and operator safety.
• Oil Reservoir: Designed with high-capacity hydraulic oil storage, ensuring continuous operation without frequent refilling.
• Anti-Vibration Base: Reduces vibrations for smoother operation and prolongs pump life.

 

 

 

Applications

 

 

 

• Oil & Gas: Flange assembly and maintenance for pipelines and pressure vessels.
• Power Generation: Bolt tightening for turbines, wind energy towers, and transformers.
• Mining and Heavy Machinery: Assembly and maintenance of large excavators, trucks, and processing equipment.
• Shipbuilding and Marine: Ensures precision bolting of hull sections, engines, and propulsion systems.
• Construction: Perfect for bolting structural steel, cranes, and heavy infrastructure.

 

 

 

Key Benefits

 

 

 

• Precise and Reliable Operation: Ensures controlled torque delivery for secure bolting and reduced risk of joint failures.
• Increased Productivity: Faster cycle times with a dual-stage design for rapid operation.
• Portable and Easy to Use: Lightweight construction allows easy transportation between job sites.
• Durable and Safe: Built for harsh environments with safety features to protect operators and equipment.

 

 

 

The ZSPA-554 Hydraulic Air Pump is a critical tool for powering hydraulic torque wrenches. It delivers accurate torque control and efficient performance in demanding applications. Its dual-stage operation, safety features, and portable design make it indispensable for professionals in heavy industries where precision and reliability are paramount.

 

 

 

Hydraulic Air/Torque Wrench Pump

 

• Powerful four HP motor starts under load.
  
• Use where air is the preferred source of power.
  
• Max. Pressure: 700bar
  
• Two-speed high-performance pump.
• External adjustable pressure regulator.
  
• The retract side internal relief valve protects the tool.
  
• Opt for eight 1/4″ ports (including female and male couplers with dust caps) synchronizing work for four hydraulic wrenches.
  
• Use for Hydraulic Torque Wrench
  
• Pneumatic remote control with 5M cord.

 

 

Optional

G= Pressure Gauge

 

 

ZSPA554TQ-A-A1

Pneumatic remote

 

 

Model Number	Air Supply Req’d	rpm	dB(A) at Idle and 700bar	Motor	Flow rate (l/min)				oil tank	Weight with oil
				hp	0(bar)	70(bar)	350(bar)	700(bar)	L	kg
ZSPE-554	1.4M³/min @6 bar	3000	75	4	74	1.3	1.1	0.9	8	38.5

 

 

Torque Wrench Hoses:

Use ZIPP ZXU22W series torque wrench hoses with every model torque wrench to ensure the integrity of your
hydraulic system.

 

Model Number	Tube Dia.	Length		Motor		W.P	B.P
	inch	ft	m	inch		bar	bar
ZXU22W-6M2NM2NM	1/4	20	6	1/4	1/4	700	2800
ZXU22W-12M2NM2NM	1/4	40	12	1/4	1/4	700	2800

 

 

Basic System Set-up

A. 1 Hydraulic Torque Wrench using Electric Pump +1 Square Drive Wrench +Socket +2 hoses
B. 1 Hydraulic Torque Wrench using Electric Pump +1 Low Profile Wrench +2 hoses
C. 1 Hydraulic Torque Wrench using Electric Pump +1~4 Square Drive Wrench (+Socket) or 1~4 Low Profile Wrench +2~8 hoses

 

Wrench Torque Formula

T = F x r

Torque = Force x Lever Arm Length

Ex.: 1000kN x 60mm= 60000 N.m

 

 

Bolt Load- Torque Formula

T = K x D x N
T: Torque
K: Friction Factor
D: Bolt O.D
N: Bolt extended Load = Stress area x Yield strength x Percent of Yield
Ex.: M16

 

 

 

μ= 0.10: Low friction application
μ= 0.15: Normal friction application
μ= 0.20: High friction application

 

Bolt grade	Tension strength	Yield strength(90%)	Tightening moment
	RM(N/mm²)	Rp0.2(N/mm²)		N.m
6.8	600	480	μ= 0.1	110	160	220	300	390	570	770	1050
			μ= 0.15	150	200	290	400	500	740	1000	1370
			μ= 0.2	170	240	340	460	590	870	1180	1610
8.8	80	640	μ= 0.1	150	210	300	410	520	760	1030	1400
			μ= 0.15	200	270	390	530	670	990	1340	1820
			μ= 0.2	230	320	450	630	780	1160	1570	2140
B.7 (≤2-1/2″)	min. 860	min. 720	μ= 0.1	180	250	350	470	600	880	1190	1610
			μ= 0.15	230	320	450	610	770	1140	1550	2100
			μ= 0.2	270	370	530	720	910	1340	1820	2480
10.9	1000	900	μ= 0.1	220	310	440	600	760	1110	1510	2050
			μ= 0.15	290	400	570	780	980	1450	1970	2680
			μ= 0.2	340	470	670	920	1150	1710	2310	3150
12.9	1200	1080	μ= 0.1	260	370	510	700	890	1300	1770	2400
			μ= 0.15	340	470	670	920	1150	1700	2300	3130
			μ= 0.2	400	550	780	1080	1340	2000	2700	3680
			M	16	18	20	22	24	27	30	33

 

Bolt grade	Tension strength	Yield strength(90%)	Tightening moment
	RM(N/mm²)	Rp0.2(N/mm²)		N.m
6.8	600	480	μ= 0.1	1350	1740	2160	2690	3250	4180	5190
			μ= 0.15	1760	2280	2820	3530	4250	5490	6800
			μ= 0.2	2060	2690	3320	4160	5000	6470	8020
8.8	80	640	μ= 0.1	1790	2320	2880	3590	4330	5570	6920
			μ= 0.15	2340	3040	3760	4170	5660	7320	9070
			μ= 0.2	2750	3580	4430	5550	6670	8630	10700
B.7 (≤2-1/2″)	min. 860	min. 720	μ= 0.1	2080	2690	3330	4150	5010	6440	8000
			μ= 0.15	2700	3520	4350	5450	6550	8450	10490
			μ= 0.2	3180	4140	5120	6420	7710	9980	12370
10.9	1000	900	μ= 0.1	2640	3410	4230	5280	6360	8180	10160
			μ= 0.15	3430	4460	5530	6920	8320	10740	13330
			μ= 0.2	4040	5260	6500	8150	9790	12670	15710
12.9	1200	1080	μ= 0.1	3080	3990	4950	6170	7440	9570	11890
			μ= 0.15	4020	5220	6470	8090	9740	12570	15590
			μ= 0.2	4720	6150	7610	9540	11460	14830	18380
			M	36	39	42	45	48	52	56

 

Bolt grade	Tension strength	Yield strength(90%)	Tightening moment
	RM(N/mm²)	Rp0.2(N/mm²)		N.m
6.8	600	480	μ= 0.1	6440	7320	8520	9920	10170	10460	11720
			μ= 0.15	8480	9630	11230	13100	13470	13880	15580
			μ= 0.2	10010	11350	13270	15510	15960	16460	18510
8.8	80	640	μ= 0.1	8590	9760	11360	13220	13560	13950	15620
			μ= 0.15	11300	12830	14970	17470	17960	18510	20780
			μ= 0.2	13350	15140	17690	10680	21280	21950	24670
B.7 (≤2-1/2″)	min. 860	min. 720	μ= 0.1	9930	11280	13130	15290	15680	16130	18060
			μ= 0.15	13060	14830	17310	20200	20770	21400	24020
			μ= 0.2	15430	17500	20460	23910	24610	25380	28530
10.9	1000	900	μ= 0.1	12610	14330	16680	19420	19920
			μ= 0.15	16600	18840	21990	25660	26380
			μ= 0.2	19600	22240	25990	30370	31260
12.9	1200	1080	μ= 0.1	14760	16770	19520
			μ= 0.15	19430	22050	25730
			μ= 0.2	22940	26020	30410
			M	60	64	68	72	76	80	85

 

Bolt grade	Tension strength	Yield strength(90%)	Tightening moment
	RM(N/mm²)	Rp0.2(N/mm²)		N.m
6.8	600	480	μ= 0.1	13250	14690	16540	19650	20900	23780	25570
			μ= 0.15	17660	19620	22130	26360	28080	31980	34430
			μ= 0.2	21000	23350	26370	31450	33530	38210	41160
8.8	80	640	μ= 0.1	17670	19590	22060	26200
			μ= 0.15	23550	26160	29510	35150
			μ= 0.2	28000	31140	35150	41930
B.7 (≤2-1/2″)	min. 860	min. 720	μ= 0.1	20430	22650	25510
			μ= 0.15	27250	30250	34120
			μ= 0.2	32380	36000	40650
10.9	1000	900	μ= 0.1
			μ= 0.15
			μ= 0.2
12.9	1200	1080	μ= 0.1
			μ= 0.15
			μ= 0.2
			M	90	95	100	110	115	120	125

 

Nominal thread size [mm]

The data above is based on bolts lubricated to the manufacturer’s specifications.

Due to a variation in friction, we recommend checking with the bolt manufacturer in extreme cases, as this chart represents a guideline only.