VSSJA Flange-loosing Expansion Joint
VSSJA Flange-loosing Expansion Joint
VSSJA Flange-loosing Expansion Joint
VSSJA Flange-loosing Expansion Joint

VSSJA Flange-loosing Expansion Joint

  • BrandLanphan VSSJA
  • ColorCustomized
  • OriginZhengzhou, Henan, China
VSSJA Flange-loosing Expansion Joint consists of loosing expansion joint and limiting nozzle stubs, one side is connected to flange, the other side is connected to pipeline. It can prevent compensate joints from leaking and damaging because of pipe’s excessive displacement. 
VSSJA flange adaptor
Product Description

VSSJA flange adaptor is also called AF type pipe compensator in GB/T12465-2007, and VSSJA flange loosing type expansion joints , it consists of Follower, flange, sleeve, rubber seals and bolts, nuts. One end connection way is plug-in, which is same with SSJB flexible mechanical coupling, the other end connection way is flange. Flange adaptor connecting pipes can be different material, especially for steel pipe and plastic pipes.


Working principle of VSSJA flange adaptor:

After VSSJA type flange adaptor is installed with the pipe, tighten the nut flexible ring, relying on each other under the effect of the slope of the gland nut, pressed in the outer tube sealing and connecting role to play. When the temperature changes, the pipe can move freely within the gap distance,, the local base goes down, the tube can be skewed, and to ensure that no seal leakage, which play automatically compensate for the purpose.

Classification of VSSJA flange adaptor:

  1. According to the material difference, there are carbon steel flange adaptor, ductile iron flange adaptor and stainless steel flange adaptor.
  2. Bolts and nuts material can be different from body.
  3. Usually, carbon steel flange adaptor flange drilling shape is circle.
  4. Usually, ductile iron flange adaptor flange drilling shape is oval.

specifications

nominal diameter pipe outer diameter length connecting flange size
DN DW L1 L 0.25Mpa 0.6Mpa 1.0Mpa
D K n-do D K n-do D K n-do
65 76 105 118 160 130 4-¢14 160 130 4-¢14 185 145 4-¢18
80 89 190 150 4-¢18 210 170 4-¢18 200 160 8-¢18
100 108 123 210 170 210 170 220 180
114
125 133 240 200 8-¢18 240 200 8-¢18 250 210
140
150 159 265 225 265 225 285 240 8-¢23
168
200 219 320 280 320 280 340 295
250 273 130 375 335 12-¢23 375 335 12-618 395 350 12-¢23
300 325 130 160 440 395 12-¢18 440 395 12-¢22 445 400
350 355 490 445 490 445 505 460 16-¢22
377
400 406 540 495 16-¢23 540 495 16-¢22 565 515 16-¢27
426
450 457 595 550 595 550 16-¢22 615 565 20-¢26
480
500 508 645 600 20-¢23 645 600 20-¢22 670 620
530
600 610 755 705 20-¢27 755 705 20-¢26 780 725 20-¢30
630
700 720 860 810 24-¢27 860 810 24-¢26 895 840 24-¢30
800 820 220 255 975 920 24-¢30 975 920 24-¢30 1015 950 24-¢33
900 920 1075 1020 1075 1020 1115 1015 28-¢33
1000 1020 1175 1120 28-¢30 1175 1120 28-¢30 1230 1160 28-¢36
1200 1220 1375 1320 32-¢30 1405 1340 32-¢33 1455 1380 32-¢39
1400 1420 270 1575 1520 36-¢30 1630 1560 36-¢36 1675 1590 36-¢42
1600 1620 1790 1730 40-¢30 1830 1760 40-¢36 1915 1820 40-¢48
1800 1820 1990 1930 44-¢30 2045 1970 44-¢40 2115 2020 44-¢48
2000 2020 2190 2130 48-¢30 2265 2180 48-¢42 2325 2230 48-¢48
2200 2220 275 2405 2340 52-¢33 2475 2390 52-¢42 2550 2440 52-¢56
2400 2420 2605 2540 56-¢33 2685 2600 56-¢42 2760 2650 56-¢56
2600 2620 240 300 2805 2740 60-¢33 2905 2810 60-¢48 2960 2850 60-¢56
2800 2820 3030 2960 64-¢36 3115 3020 64-¢48 3180 3070 64-¢56
3000 3020 3230 3160 68-¢36 3315 3220 68-¢48 3405 3290 68-¢60
3200 3220 3430 3360 72-¢36 3525 3430 72-¢48      
3400 3420 3630 3560 76-¢36 3735 3640 76-¢48      
3600 3620 3840 3770 80-¢36 3970 3860 80-¢56


3800 3820 4045 3970 80-¢40





4000 4020 4245 4170 84-¢40





product details product details

application

workshop

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. Is the flange adaptor length adjustable?
    Yes, we can adjust the length according to the actual movement requirements.
  2. What's the painting of our Carbon steel Expansion Joints?
    Usually, the inside and outside painting or coating is epoxy painting.
  3. What's the thickness of the painting?
    The painting thickness is ≥200 micron.
  4. Will you offer Installation manual?
    Yes, we will offer professional installation manual.
  5. Can you supply drawing and technical specification?
    Yes, we have professional team to help you.
  6. What's the MOQ of this Expansion Joint?
    1set.

customers

packaging & shipping

Usually, the exporting package of VSSJA flange adaptor is nonfumagation wooden case, sometimes, steel frame fix is necessary.

advantages

  1. The largest size is DN3000mm.
  2. Professional Quality Control System.
  3. We have ISO9001, ISO14001, SGS and other international certificates.
  4. Annual sales of our steel pipe couplings has exceed one hundred million Yuan.
  5. Complete Service System.
    You could fill out the form below and leave your contact information and product requirements, we will contact you ASAP. In order to get in touch with you in time, please complete your CONTACT INFORMATION and REQUIREMENTS.
    Contact Us
    Contacts : Lanphan
    Phone : +86-371-67447999
    Email : [email protected]
    Wechat : +86-13783661974
    Address : Room801, Building B, CC Mall, Jianshe Road, Zhongyuan District, Zhengzhou, Henan, China
    SNS :
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