Gate Valves

GNB round valves are fabricated from stainless steel or mild steel.
Options include:

  • 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

Vacuum Service Valves

Vacuum valves are an important element of vacuum structures, designed to regulate gas flow and maintain pressure balance. Among these, high vacuum valves play a crucial role in maintaining ultra-low pressure environments. These valves help control gas flow, isolate chambers, and protect equipment from damage caused by excessive vacuum pressure. There are a few types of vacuum valves, including ball, angle, and gate valves, each serving a unique purpose depending on the application and the specifications provided by vacuum valves manufacturers.

Common Types of Vacuum Valves

  • Gate Valves: Used to turn vacuum systems on and off.
  • Ball Valves: Give a simple way to open and close that seals well.
  • Angle Valves: Perfect for uses that need very accurate pressure control.

Vacuum chamber have been providing reliable long-term service to customers for 40 years. Continual improvements in design improve life and reduce cost. Unique to the industry, all GNB gate valves seal both ways against full atmosphere pressure differential, delivering performance comparable to a high pressure gate valve in demanding vacuum environments.


GNB valves have long been recognized as a supplier of value-engineered, cost-effective chambers with reliable vacuum integrity and strength. We can build round valves of any complexity, including solutions comparable to VAT gate valves used in high-vacuum systems.

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 to high production.

Our range of High Vacuum Gate Valves, featuring an optimized vacuum gate valve design, is engineered to deliver unparalleled performance in various vacuum applications. These valves function as a reliable high vacuum valve solution, known for their robustness and precision, and are ideal for creating and maintaining a high vacuum environment. Their advanced design ensures reliable operation, making them a top choice for industry professionals.

The Vacuum Service Valves we offer are crafted with excellent standards of quality and efficiency in mind. They are designed to be versatile, catering to a broad spectrum of vacuum applications. Whether it’s for research, industrial, or commercial use, our vacuum service valves stand out for their durability and optimal functionality.

In terms of Vacuum Gate Valve Design, our products are at the forefront of innovation. Our design philosophy emphasizes efficiency and ease of use, ensuring our valves seamlessly integrate into existing setups and cater to the diverse requirements of our clientele. This approach guarantees user-friendliness and versatility in meeting various needs.

Our Vacuum Gate Valves deliver exact results and stability in high-vacuum structures. It is for industries, these start from medical research to commercial packages, each valve is meticulously examined to ensure it maintains airtight sealing and steady stress control in high‑vacuum environments. 

It is made from durable stainless steel, with alternatives for pneumatic, hydraulic, electric, or manual actuation. These valves offer flexibility and clean integration into diverse systems. it customizable flange standards and optional capabilities, such as protective steel guards, our vacuum gate valves are a dependable, low-renovation investment that enhances operational efficiency. Valves for state-of-the-art design, unmatched durability, and unwavering functionality that you can trust.

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.

Large gate valve

52″ Gate Valves

Valve 3

6″ Protective Guard Ring Valves

Cross Actuation Valve

Cross Actuation Valve

Half Open Protective Guard Ring Valve

Half Open Protective Guard Ring Valve

Standard Gate Valve

Standard Gate Valve

PMG : Protective Metal Guardring – Designed to protect internal mechanism from process exposure.