Sanitary Stainless Steel Gate Valve CF8 304 Flanged Connection

Gate Valve Overview

Gate valve is a device where the gate moves up and down in a straight line with the valve stem. The materials used for gate valves include 304, 316, and 321 stainless steel, represented as Z41H-16P.

The gate valve’s opening and closing part is the gate, which moves perpendicular to the fluid flow. Gate valves can only be fully opened or fully closed; they cannot be used for flow adjustment or throttling. The gate has two sealing surfaces, usually forming a wedge shape. The wedge angle depends on the valve’s specifications, typically around 5°, and 2°52’ for lower temperatures.

The gate can either be made as a solid piece, called a rigid gate, or as a slightly flexible piece, called an elastic gate. The elastic gate allows for slight deformation, which helps with manufacturing and adjusts for any small errors in the sealing surface angle.

Gate Valve Features

Gate valves feature a rising or falling valve. Since the stem is connected to the seat, the stem rises to provide a visual indication of valve position, and the seat and stem rise and operate the valve together. Non-rising stems may have a slider thread on the upper end of the stem to indicate valve position, due to the upward travel of the gate or the threads downstream do not raise or lower the stem. Stems are used underground or where vertical space is limited

Gate Valve describion

Who we are

SND has been producing and selling metal goods for about 20 years.By using manufacturing techniques including sand casting, lost wax casting, lost foam casting, and precision machining, the company has been supplying goods made of materials like cast iron, steel, stainless steel, aluminum, etc. Additionally offered are surface finishing and assembly services.

Our company has successfully created products in a variety of industries, including automotive, rail transportation, agricultural machinery, chemical, energy, electricity, water, air compressor, and construction, thanks to our consistent efforts over the past few years.

Our factories' ISO9001-accredited quality control systems guarantee a consistent and dependable quality for each and every component.
Spectrometer, ultrasonic, magnetic, permeability, elongation, tensile/yield strength, and other inspections are carried out as part of routine production procedures.

SND Foundry have been specializing in the production and sales of manhole cover and gully grating, valves, pipe & pipe fitings and metal castings products nearly 20 years. It is located in Wu'an Industrial Park, Handan City, Hebei Province. The park is the largest mechanical casting spare parts processing industrial park in Handan, with a complete supporting industry chain and convenient transportation.

SND has fully passed the ISO9001 quality management system certification. During the production process, it implements a number of strict detailed standards and conducts full-process quality control. Our company has well-equipped chemical laboratories and physical performance laboratories. A complete set of testing equipment such as Direct Reading Spectrometer, Metallographic Microscope, Rockwell Hardness Tester, Universal Material Testing Machine, Non destructive testing(NDT), and Three-dimensional Coordinate Measuring instrument can be used to effectively control chemical composition and ensure mechanical performance.

Company Mission:
Committed to creating high-quality products and service, creating a century enterprise trusted by customers, respected by society, the most valuable and internationally influential
Work Attitude: Responsibility Pragmatism Professional