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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: casting
  • Pressure: High Pressure
  • Power: Pneumatic, 0.55kW, 0.75kW, 1.1kW, 1.5kW, 2.2kW, 3kW, 4kW
  • Material: cast iron, cast iron\carbon steel/stainless steel
  • Temperature of Media: Normal Temperature
  • Media: Gas
  • Port Size: 1/2"
  • Place of Origin: Henan, China (Mainland)
  • Model Number: rotary airlock valve TGFY
  • Brand Name: BULK TECH
  • Application: General
  • Discount: 10% for new customers
  • Customers: Buhler's supplier
  • Delivery time: 7 days
  • Size 1: 100 mm to 1200 mm
  • Size 2: 5" to 30"
  • Gap between rotor and body: 0.08 mm to 0.25 mm
  • Bearing: Option :C&U / SKF / FAG

Packaging & Delivery

Packaging Details: Wooden box
Delivery Detail: Shipped in 10 days after payment

Bulk tech is a company that manufactures rotary valve and only rotary valve


We understand that you need good quality and reliable suppliers  


  After years of engineering and manufacturing rotary airlocks, we consider ourselves proven experts on the various rotary airlock and valve designs available to our customers.

Rotary valve


  RV Drop-Through Rotary Valves with square and RVR with circular inlet consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of V-shaped cross section compartments, a drive unit and a casing cover opposite the drive end.


Watch out !!! Our rotary valve is very good at air tight ,  air tight as AIR LOCK , so the air won't goes back to cyclone. 0.08mm gap between the rotor and body as you see in the photo .Most Chinese factories don't have this technology . 




We use SFK bearing or NSK bearing . The SKF bearing can work more than 100,000 hours. 




Stainless steel 304/ 316, and we have not only food class , but aslo MEDCIAL CLASS 



TGFY rotary valve (Cast Iron) made for a customer in Australia


Our rotary valve :

1,  All size available, flange 4inches  to 2meters

2,  Material to control(handle) :   food powder (flour ,coffee , feed , corn , sugar …  and cement,wood chips, dust , PET ,PVC , fiber and so on.

3,  Material of rotary valve :  SS304 . SS316 / Cast iron /  16Mn /  UP plate 

4,  Sanitary and polished inside and outside (food class and medical class)



  TGFY rotary valve installed in previous projects







Company Information

 Our company name is  Chengdu Bulk Technology Co., Ltd.  This is a trade company based on our factory  (Zhengzhou SS rotary valve machinery). We have more than 10 years of rotary valve R&D, more than 50 workers. We have controlled the KEY technology of making rotary valve right .And make rotary valve has 6-10 years working life without troubles.

If you can come to visit our factory , please contact us . E-mail peterfineATqq.com Sky-pe  peter.huo1  Phone +86 152 8099 7974



 We specialize in the design and manufacture of custom built rotary airlock products that can immediately improve the safety, reliability and efficiency of your feeding and metering operations compared to other rotary valve brands.


 We specialize in the design and manufacture of custom built rotary airlock products that can immediately improve the safety, reliability and efficiency of your feeding and metering operations compared to other rotary valve brands.



 Send us request : peterfineATqq.com  email



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Trade Assurance
China (Mainland) | Trading Company
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4 Transactions 2,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $23,000
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