Bellows for Transformer

Brandlanphan
ColorCustomized
OriginZhengzhou, Henan, China

Product Description

Bellows for transformer mainly used in the oil conservator of transformer. The external corrugated oil conservator use advanced super flexible stainless steel corrugated compensator as the compensating component and sealing and isolation component, in completely air and moisture isolated condition, to compensate the volume of transformer’s insulating oil. Bellows for transformer just like a gasbag whose inner part connecting to the air, place it in insulating oil, the oil storage box connect with transformer oil box through bottom connector. The volume change of insulating oil would make bellows flex, so that to change the volume of oil box and compensate volume change of insulating oil. Bellows for transformer mainly used to compensate axial displacement and a few lateral displacement, also reduce shock and noise, has advantages of easy installation, simple design and low cost. Bellows for transformer has been widely used in electric power, petroleum and chemical engineering industries.

Product features of bellows for transformer:

  1. Strong external pressure resistant ability.
  2. Low cost.
  3. Easy to install.
  4. Low temperature resistance, shock resistant.
  5. Good chemical stability.
  6. Long service life.
  7. Super strong compensation performance.

Specifications

DN
(mm)
bellows compensation
dosage
stiffness max size of
radial direction
shape
Bmm
total length
L
(mm)
product type
active area A
cm2
corrugation number
n
axial
direction
X0 mm
lateral
direction
Yo (mm)
angular
direction
θ± (°)
axial direction
N/mm
lateral direction
N/mm
angular direction
Nm/ (°)
connection type
adapter pipe
J
flange
F
corrugated compensator:design pressure Pd = 1.0Mpa(10Kgf/ cm2)fatigue life【 N 】=1000times design temperature t = 20℃
40 38 4 5.5 1.2 4 282 1214 14 145 230 240 TB
8 1.1 5 8 141 135 6.5 300 310
50 56 4 7.5 1.5 4 388 1790 20 157 250 260
8 15 6.5 8 194 189 7 340 350
65 79 4 9 1.5 4 422 2109 24 186 250 260
8 18 6.5 8 211 217 9 360 370
80 138 4 11 2 3 658 2715 28 219 354 270
8 22 8 6 329 320 13 364 380
100 155 4 12 2.3 3 698 3226 30 283 284 300
8 24 9.1 6 349 403 15 364 380
150 300 4 11 1.5 3 1009 9029 84 289 284 300
8 22 6.1 6 504 1129 42 364 380
200 535 4 17 2.6 3 1493 10592 222 389 380 400
8 34 10 6 746 1324 111 500 520
250 779 4 16 2.1 3 1850 19116 400 443 3H0 400
8 33 8.3 6 925 2390 200 500 520
300 1075 4 21 2.8 3 1536 15211 459 495 426 450
8 42 11 6 768 1901 229 570 594
350 1269 4 21 5.9 3 1682 19653 593 577 426 450
8 42 12 6 841 2457 296 570 594
400 1619 4 20 22 2.6 1917 28582 862 626 426 450
  8 41 8.6 5 958 3573 431 570 594
450 2003 4 20 1.9 2.3 2148 39632 1195 678 426 450
8 40 7.7 4.6 1074 4954 598 570 594
500 2428 4 20 1.7 2 2380 53229 1605 729 426 450
8 40 6.9 4 1190 6654 803 570 594
600 3473 4 36 4.3 3 1561 17977 1506 830 576 600
8 71 17 6 781 2247 753 816 840

Application

Bellows for transformer has been widely used in electric power, petroleum and chemical engineering industries.

Our Service

Pre-Sales Service

  1. According to product’s using condition, technicians will offer rationalization;
  2. Provide detailed product performance specification;
  3. Provide professional quoted price;
  4. Provide 24-hour technical consulting reply.

In-Sales Service

  1. Begin to supervise from raw material, its qualified rate can reach to 100%;
  2. Whole manufacturing process are in strict accordance with promised procedure requirements, product qualified rate can reach to 100%;
  3. Provide product’s inspection record of key junctures to customers;
  4. Provide production schedule photos to customers at regular intervals;
  5. Package and transport products strictly accordance with export standard.

After-Sales Service

  1. Under the premise of correct installation, normal maintenance and using, we guarantee one-year warranty period;
  2. When warranty period has expired, our sold products enjoys lifetime guarantee repair, we only charge cost price for changing product’s standard component and sealing component;
  3. During installation and adjustment period, our after-sale service staff will communicate with customers frequently to know product’s running state in time. Assist customers to install and adjust products until customers are satisfied;
  4. If product has malfunction during operation period, we’ll offer you satisfied answer in time. We’ll reply you within 1 hour and provide solution or send staff to spot within 24 hours after receiving maintenance notification.
  5. Lifelong free technical support. Conduct satisfaction survey and inquiry equipment running condition to clients by telephone or e-mail semiannually from the first day of equipment running, put on records of acquired information.

FAQ

  1. What’s the pressure of bellows for transformer?
    The pressure resistance ability is ±0.1MPa, completely satisfied vacuum oiling requirements.
  2. What’s the service life of your product?
    The designed service life is 30 years, the external oil structure has no condensation generation.
  3. Can you provide pressure test report?
    Yes, we can provide pressure test report.
  4. Can you provide raw material detection proof?
    Yes, we can.
  5. Can you do flaw detection?
    Yes, we can.(you need to tell us in advance).
  6. Can you provide installation manual?
    Yes, we can.

Advantages

  1. We have a complete set of hydraulic equipment to satisfy different size products’ detection requirements.
  2. We have professional flaw detection team, real time monitoring product quality.
  3. Supervise every production procedure and every detail.
  4. Sufficient raw material storage, deliver products in time.
  5. Cooperate with universities and colleges, guaranteed advancement of product technology.
    豫ICP备14023990号-2
    Chanzhi Chanzhi5.3.2