ZJ-20-50 Steam turbine maintenance Bolt electric heating rod element heater

• Customization: Available
• Certification: ISO9001
• Type: Heating Rod
• Model NO.: ZJ-20-50
• Material: Ni-Cr Wire
• Form: Spiral Heating Element
• Shape: Tubular
• Condition: New
• Rated voltage: 380V
• Rated power: 1kW~7kW
• Heating temperature range: Room temperature ~ 400ºC
• Heating time: A few minutes
• Insulation resistance: ≥50MΩ
• Protective cover material: Heat-resistant stainless steel tube
• Heating rod length: Customized according to bolt length and heating re
• Heating rod diameter: Customized according to bolt diameter and heating
• Dimensions: Depending on the specific design
• Heating rod structure: Spiral/straight bar/other shapes
• Service life: ≥5000 hours
• Installation method: Installation around the bolt/direct insertion into
• Transport Package: Carton or Wooden Box
• Specification: Customized
• Trademark: Yoyik
• Origin: China
• Production Capacity: 10000 Pieces/Year
• Package Size: 20.00cm * 20.00cm * 50.00cm
• Package Gross Weight: 2.000kg

Product Description

Product Description

The use of the bolt heating rod ZJ-20-50 has a significant effect and can improve the work efficiency of the turbine bolt assembly and disassembly. It is safe and reliable, easy to operate, and has a long service life. After being used in many power plants, it has a good effect and has been unanimously praised by users.

 

Technical parameters:
The rated working voltage of the electric heater is 220±20V. DC 100V, low voltage 50V;
The center line straightness of the electric heater with an insertion length of less than 1m is not greater than Ø0.3mm; the center line straightness of the insertion length of 1-2m is not greater than Ø0.4mm;
The diameter deviation of the insertion part is -0.20mm/-0.50mm;
The length deviation of the insertion part is ±5mm, the heating length deviation is ±5mm, and the bottom cold end length is 25-30mm;
The electric heater is required to heat evenly during use, and local overheating is not allowed.

 

Product Features:
Efficient and high-temperature resistant

 

Applications:
Specially used for heating hollow bolts in steam turbines and large machinery during installation and maintenance to meet the requirements of fastening and dismantling

 

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Detailed Photos

 

 

Packaging & Shipping

          Standard & solid packaging ensures your goods safety.

          Various professional packages at your choice


         Multiple choice of reliable and cost-effective shipping methods available.

 

Company Profile

- ABOUT US -

Dongfang Yoyik Engineering Co., Ltd is located in Deyang, Sichuan, China's heavy equipment base, was founded in 2004. The company is a professional power plant spare parts manufacturer and supplier. Our products are applicable for many thermal power plants, hydropower plants, metallurgic industrial power plant, cement plant power house, aluminum plant power house, and coal mill power plants.

From advanced precision electric elements and components to highly-customized metal items, you can find all the needed for a power plant from Yoyik.


Yoyik is the exclusive agent of W.M. Nugent CO Inc for selling Nugent filter elements and filtration system products in China. The company also has great advantages in of many hydraulic products, including pumps, valves, sealing materials, etc.

 

Our Advantages

 

- TECHNICAL PATENTS -

 

- OUR ADVANTAGE -

- COOPERATIVE INDUSTRIES -

Yoyik offers wide range of spare parts for customers in different industries:
 

FAQ

- ORDER NOTES -

√ Model Selection
Before purchasing, please ensure that the model specifications you provide are complete or that the drawings have been drawn so that you can provide timely and accurate quotations.

√ Quality Assurance
We promise to provide high-quality products and after-sales service. If there are any quality issues, please contact us promptly.

√ Secure Transactions
We sell on MIC, provide a secure and reliable trading environment, and accept multiple payment methods to facilitate your purchase.

 

- FAQ -

- Are you trading company or manufacturer?
We are factory located in Deyang, China.

- How long is your delivery time?
Generally it is 2-5 days if the goods are in stock. Or it is 7-21 days if the goods are not in stock, it is according to quantity.

- Do you provide samples? Is it free or extra?
Sorry we do not offer samples.

- What price terms do you accept?
Our company can accept all trading manners, eg. EXW, FOB, CIF etc

- What payment terms do you accept?
We accept T/T.