Double Acting Pneumatic Flanged Check Valve
- Model NO.: HVZ640(H/Y)-PN16-40
- Material: Carbon Steel
- Pressure: Ordinary Pressure
- Seal Surface: Parallel Gate Valve
- Usage: Regulation, Safety, Flow Control
- Application: Industrial Usage, Water Industrial Usage, Household Usage
- Trademark: HES
- Origin: Zhejiang
- Type: Straight-through
- Connection Form: Flange
- Actuator: Pneumatic
- Thread Position of Valve Rod: Inside Gate Valve
- Standard: GB/ANSI/JIS
- Acting Type: Double Acting
- Specification: DN50-800
Technical Specification:
Design Reference | GB | ANSI |
Design Standard | GB/12237 | ANSI B16.34 |
Wafer Connecting | GB/12221 | ANSI B16.10 |
Connecting Flange Size | GB/9113; JBT79 | ANSI B16.5 |
Test&Inspection | JB/T9002 | API 598 |
Specification:

*Note:The main parts and seal ring materials of ball valve can be changed for practical working environment or user's special requirement
HESÂ Q&A:
1:Â Are you a factory or a trading company?
  We are a facory
2: Which country do you export to?
  We can export to any country according to buyer's need
3: Do you accept the customized order?
  YES!
4: What advantages do you have?
  Our factory starts from 1989. We are the first pneumatic factory of wenzhou(the valve city of China).
  We can promise the good quality of actuator and give you the reasonable  factory price.
5: Will you responsible for the installation of valve and actuator?
  YES! If you give us a decent order, it will be free.

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Liaoning North Petroleum Equipment Co.,Ltd. , https://www.lnnorthpetroleum.com