- Actuation: Pneumatic, Electric, Hydraulic, Manual
- Flanges: ASA, ISO, Conflat, Custom Designed
- Shaft Seal: Dual O-rings, Bellows
- Water Cooling: Flanges, Body, Gate
- Ports: Roughing, Gauge, View
GNB has long been recognized as a supplier of value engineered, cost-effective chambers with reliable vacuum integrity and strength. We are capable of building round valves of any complexity.
Our technical sales staff can get GNB’s engineering involved early in the design process. GNB has experience in design applications ranging from the R&D phase into high production.
Designed to protect internal mechanism from process exposure.
Designed for small spaces.
For better understand valve models
GNB standard gate valves are built up to 72 inches (~2m) with linear actuation and 35 inches (90cm) in cross actuation.
52″ Gate Valves
6″ Protective Guard Ring Valves
Cross Actuation Valve
Half Open Protective Guard Ring Valve
Standard Gate Valve
PMG : Protective Metal Guardring – Designed to protect internal mechanism from process exposure.