PROS Bellow Sealed Valve is a kind of valve that takes bellows as valve stem seal element.The valve is applicable to industrial pipeline for flammable, explosive, toxic, strong penetrability, nuclear radiation, nuclear power project and ship confined space and other special medium and severe conditions
Main Features :
PROS Bellow Sealed Valve replace stuffing box in common valve with bellows it can make no leakage at valve stem part to prevent leakage of radioactive material or valuable material, or maintain a high vacuum. Bellows extends and retracts with lifting of valve stem. The bellow can follow the lineair movement of the stem easily, creating a stable and state of the art zero emission seal.
Design Features :
Double seal design;
No fluid loss, reduce energy loss, improve plant equipment safety;
Long service life, reduce maintenance times, reduce operating costs;
Rugged bellows seal design ensures zero stem leakage and provides no-maintenance conditions;
Product Detailes :
| Valve Brand | PROS |
| Valve Structure | Bellow Sealed Valve |
| Valve Material | Carbon Steel/ Stainless Steel/Alloy Steel etc. |
| Nominal Diameter | 1/2"~48" |
| Valve End Connection | RF, RTJ,BW |
| Valve Pressure range | Class150～2500（PN10~PN420） |
| Working temperature | -101℃～+650℃ |
| MOQ | 1 SET |
| Operation | Hand wheel, Gear box, Electric , Pneumatic , etc. |
| Certificate | BS 1873、API 600,ASME B16.34 |
