Appel: +(86) 137 7712 9988
Emplacement du bureau:

​No.789 Xiaying Road, Ningbo, Zhejiang China

Industrie leader:

Outils de ligne électrique

Leader industriel:

En Chine

Overhead OPGW Installation SA-YZ30A Hydraulic Tensioner

Overhead OPGW Installation SA-YZ30A Hydraulic Tensioner

SA-YZ30A Hydraulic Tensioner for Stringing OPGW is suitable to string one rope and cable conductor with fibre-optical cables(OPGW).

​About E-Grid

​Ningbo Eastern Grid Power (E-Grid) is China leader in designing, manufacturing and supplying hydraulic brake tensioners for stringing operations, ideal to allow operations to be carried out with the highest accuracy, speed and safety.

SA-YZ30A Hydraulic Tensioner for Stringing OPGW

We have developed whole set of equipment and tools for hotline OPGW installation work. The whole set include of pulling machine, tension machine, mobile traction machine, recover machine, two sheaves support roller, OPGW anti twisting device, OPGW socket grip, OPGW clamps, OPGW blocks etc. Our products have been exported to more than 15 countries for OPGW installation and changing work.

Max tension30kN
Max speed5km/h
Note:the basic machine performance is calculated at 20¡ãC and at sea level
Bull-wheel diameter1200mm
Max conductor diameter32mm
Diesel11 Kw/2200 rpm
Cooling systemwater
Electrical system12V
Main component
EngineChinese top-brand water-cooled diesel engine
Main pumpChinese famous brand pump
Main motorChinese famous brand motor
Hydraulic instrumentWIKA
​Hydraulic Transmission

Hydraulic open circuit that provides very sensitive tensioning control and negligible deviations of tension in case of speed change.


Negative self-acting hydraulic brake
Hydraulic dynamometer.
Hydraulic oil cooling system
Mechanical meter counter.
Rigid axle for towing at max speed of 30km/h with mechanical parking brake.
Gearbox with 3 operating positions:
–neutral position(with free bull-wheels for conductor loading and unloading)
–Low tensioner position.
–nominal tension position
Mechanical actuated front plough stabilizer.
Grounding device on board.

Working pictures:
Quality Control

We have the complete production equipments and professional production team to manage the whole process from production to packing shipment. All products will 100% test before delivery to ensure the quality.
We can supply all kinds of stringing equipment according to customers’ requirements.


1. The machines will be shipped in container.
2. We will ship the products within one month normally after receiving the payment.
3. Stock is available for standard product.


​1. We accept T/T and L/C.
2. Please send swift copy of T/T if you arrange payment by T/T.
3. Please send us the L/C draft to us before issue L/C.

Why choose us

1. High quality and competitive price.
2. Leading and biggest manufacture for stringing equipment in China.
3. 25 years of production experience and more than 1000 customers in the country and abroad market. The machines have been sold to more than 20 countries.
4. Big stock condition for fast shipment.
5. Detailed pre-sales service and fast active after-sales service. Response within 12 hours after-sales service.