Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:100 pc
Supply Capability:30000 pc/month
Usage & Feature
The seal ring of ventilation butterfly valve is made of the material same as body material, and the applicable temperature is up to the body material, PN≤0.6MPa， generally used to the pipelines of industry, metallurgy, environmental protection as ventilating and adjusting the flow.
Main features:
Novelty and reasonable design, unique structure, light, prompt open/closure.
Small torque, convenient operation, flexible and labor saving.
Follw proper material to meet low, middle, and high service temperature and corrosive medium, and so on.
Applicable Standard
Design standard: GB/T12238-1989 ； JB/T8692-1998 ; CJ/T261-2007
Flange dimension: GB/T9115.1-2000
Face-to-face: GB/T12221-1989
Pressure test: GB/T13927-1992 ; JB/T908292-1999
Main Technical Parameter
Nominal Diameter | DN(mm) | 50~2000 | ||||
Nominal Pressure | PN(MPa) | 0.05 | 0.25 | 0.6 | ||
| Intensity Test | 0.075 | 2.4 | 3.75 | |||
| Seal test | ≤1.5% Leakage | |||||
Method | Manual / gear / pneumatic / electric | |||||
Applicable Medium | Air / water / steam / coal gas / oil product, etc. | |||||
Please consult customer service before placing an order( in order to confirm with size and material of the relevant product).
Material for main parts
| Parts Name | Material |
| Body | Cast steel / Stainless steel / Cr-Ni-Mo Ti steel and special material |
| Disc | Cast steel / Stainless steel / Cr-Ni-Mo Ti steel and special material |
| Seat | Same as body material |
| Stem | Carbon steel / 2Cr13 / Stainless steel / Cr-Ni-Mo-Ti steel |
| Packing | Flexible graphite / fluorine plastic |
Please consult customer service before placing an order( in order to confirm with size and material of the relevant product).
