1. Commodity name: Safety Valve
2. Model: A21 P16-40
3. Applicate range: The safety valve applicate petroleum, chemical industry.
Product standard: GB/T 12241-2005.
4. Technology data:
| Model | PN | Working Pressure | Tuning Pressure | Temperature Range | Applicate medium | Main Part Material |
|
| MPa | MPa | ºC | Valve body and Hat | Valve seat and petal | Sea side | Spring |
|
|
|
| A21F-16C | 16 | 1.6 | 0.1~1.6 | ≤80 | Liquid petroleum, fuel,petrol,air,ammonia, water etc. | Carbon Steel | chormium stainless steel | chormium stainless steel/Teflon | Quality chrome vanadium steel |
| A21F-25 | 25 | 2.5 | 1.3~2.5 |
|
| A21F-40 | 40 | 4 | 1.6~4.0 |
|
| A21H-16C | 16 | 1.6 | 0.1~1.6 | ≤200 | Water,air, \ non-corrsive gas or liquid etc. | Carbon Steel | chormium stainless steel | Chromium stainless steel welding iron-based alloys | Quality chrome vanadium steel |
| A21H-25 | 25 | 2.5 | 1.3~2.5 |
| A21H-40 | 40 | 4 | 1.6~4.0 |
| A21W-16P | 16 | 1.6 | 0.1~1.6 | ≤150 | Water, air,corrsive gas or liquid etc. | Austenitic stainless steel | Quality chrome vanadium steel coated with fluorine plastic |
| A21W-25P | 25 | 2.5 | 1.3~2.5 |
| A21W-40P | 40 | 4 | 1.6~4.0 |
We, Zhejiang Jialong Mechanical Equipment Co., Ltd, is the company which concentrates Design, Development, Manufacture, Marketing Sales, etc. In one, which produces the relative accessories for the Road Dangerous Fuel Transportation Parts. Since our establishment 1990's, we insist the company's principle" To ensure the Quality for surviving, to keep the promise for developing"all the time to keep positive developing tend.
We try to carefully finish every working step to make sure the whole quality which comply with the elaborating Production Management, as well as to provide perfect service which comply with the ISO Management Standard to satisfy all the user's demand.
In China, we are the top supplier in the petrochemical industry. We are the point supplier of China petroleum, Sinopec China, CIMC etc. The Certificate of API, CE, PEI, SGS, ISO are available. Our goods are exported to many country of all the world, the top quatlity and best service make our goods are very popular.
We are striving to be one of the top supplier in the petrochemical industry in the near future.
