Steam Gate Valves

47 acutt ave durban kzn south africa.

Steam gate valves.

11 bolt avenue. The following article will cover the general mechanism and function of the most typical of these valves used in steam systems such as ball valves butterfly valves globe valves gate valves and diaphragm valves. Also known as gate valves these gradually open and close to prevent system damage from suddenly starting and stopping flow. Flexible wedges gate valves are used in steam systems.

Unit 9 bolt park. The flexible gate allows the gate to flex as the valve seat compresses due to thermal expansion of the steam pipeline and prevents thermal blinding. It is used for powering turbines to generate electricity and for food chemical and other product processing. Steam is also used for cleaning heating and humidification.

A complete range of gate globe and check valves for all of your high pressure and high temperature applications proven over years of service in conventional thermal and nuclear power plants as well as other hp steam services around the world. According to jis a valve is defined as. For welded bonnet valves the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength welded offering double protection against leakage. When the valve is wide open the gate is fully drawn into the valve bonnet.

Buy gate valves for steam including cast steel and forged steel steam gate valves. For class 1500 valves and for steam service seats are seal welded to the body. Every customer s individual needs are handled with knowledge and attention to detail so that you can be reassured that your expectations will be exceeded. Thermal expansion of the steam line sometime causes distortion of valve bodies which may lead to thermal blinding.

Gate valves are used when a straight line flow of fluid and minimum flow restriction are needed. Many different types of manual valves are used in industrial applications worldwide. Gate valves use a sliding plate within the valve body to stop limit or permit full flow of fluids through the valve. All gate valves for steam are available to buy online from valves online the uk s leading online valves supplier for steam applications.

We stock safety valves globe valves steam traps strainers and sight glasses gate valves check valves pressure reducing valves control valves insulation solution and even instrumentation. Packing rings are precompressed to 4000 psi to provide a high integrity seal. Steam is used in a large number of industrial applications.