API Stainless Steel Gate Valve

This durable API stainless steel gate valve features a full-bore design, offering exceptional hydraulic efficiency. When fully open, the medium flows directly through with minimal fluid resistance, reducing system pressure loss. The precision sealing surfaces of the API stainless steel gate valve utilize a hardened seal design, providing wear and corrosion resistance and superior performance compared to traditional gate valves. During operation, the gate moves vertically upwards against the flow, achieving extremely smooth actuation with minimal required torque, thus reducing operator workload. Designed for general applications, the API stainless steel gate valve boasts a simple and compact structure, conforming to API 600 standards. Its adaptable design can withstand extreme pressures, temperatures, and diameters, and is compatible with various media and operating environments. Furthermore, the axisymmetry in the fully open state creates a turbulent, unobstructed medium passage, eliminating flow disturbances and ensuring smooth pipeline operation.

Application Scenarios

In upstream oil and gas operations, API stainless steel gate valves are used to isolate wellhead pipelines, handle crude oil extraction under high-pressure conditions, and regulate sulfur-containing fluids with extremely high tolerance to hydrogen sulfide (H₂S). The hardened stainless steel construction of API stainless steel gate valves prevents sulfide stress cracking in hydrogen sulfide-rich environments, making them an indispensable component of wellhead components and production manifolds.

In chemical processing plants, API stainless steel gate valves effectively handle corrosive media, including acids, alkalis, and solvents. Power plants use API stainless steel gate valves in boiler feedwater systems, utilizing their airtight shut-off function to prevent steam loss during turbine startup.

Water treatment engineers use API stainless steel gate valves at seawater desalination outlets to combat wear caused by salt corrosion. Due to their resistance to galvanic corrosion, these valves are consistently the preferred choice for seawater ballast systems in marine and offshore facilities.

Executive Standard

Design and Manufacturing: API 600
Flange size: ANSI B16.5
Structure length: ANSI B16.10
Pressure ~ Temperature: ANSI B16.34
Inspection and Testing: API 598

Z40H American standard gate Parameter (Specification)

The main part material

The main shape and connection dimensions