{"id":2987,"date":"2023-01-28T16:46:08","date_gmt":"2023-01-28T16:46:08","guid":{"rendered":"https:\/\/govalit.com\/?page_id=2987"},"modified":"2025-02-22T10:21:53","modified_gmt":"2025-02-22T10:21:53","slug":"gate-valves","status":"publish","type":"page","link":"https:\/\/govalit.com\/index.php\/gate-valves\/","title":{"rendered":"GATE VALVES"},"content":{"rendered":"

[vc_row][vc_column][vc_single_image image=”3476″ img_size=”480×247″ alignment=”center” css=”.vc_custom_1740052547591{background-color: #efefef !important;}”][vc_column_text css=””]A gate valve is a linear motion valve used to start or stop fluid flow. It operates by raising or lowering a gate (disc) inside the valve body. When fully open, gate valves provide minimal flow resistance, making them ideal for applications requiring an unobstructed flow path.<\/p>\n

Gate Valves ideal choose when :<\/strong><\/p>\n

\u2714 Full Flow is Required: Suitable for pipelines where unrestricted flow is needed.
\n\u2714 Tight Sealing is Necessary: Provides reliable shutoff in water, oil, and gas applications.
\n\u2714 Minimal Pressure Drop is Important: Ideal for systems where maintaining pressure is critical.
\n\u2714 Slow Opening\/Closing is Acceptable: Prevents water hammer effects in large pipelines.
\n\u2714 High-Temperature & High-Pressure Resistance is Needed: Performs well in steam and high-pressure environments.<\/p>\n

Type of Gate Valves<\/strong>
\nRising Stem Gate Valve, Non-Rising Stem Gate Valve, Wedge Gate Valve, Parallel Slide Gate Valve, Knife Gate Valve.[\/vc_column_text][vc_tta_tabs][vc_tta_section title=”CARBON STEEL” tab_id=”1691843438949-0124cd43-cf77″][vc_single_image image=”3221″ img_size=”400X360″ alignment=”center” css=”.vc_custom_1691843825106{background-color: #e1e1e1 !important;}”][vc_column_text css=””]<\/p>\n

GATE VALVE<\/strong><\/h4>\n

Sizes: 2\u201d to 36\u201d<\/p>\n

Pressure Rating: ASME CLASS 150# : 1500#.<\/p>\n

Specification & Standard:<\/strong><\/h5>\n

Design standard: API 600 \/ API 603 \/ ASME B16.34 \/ BS 1414 \/ ISO 10434<\/p>\n

Testing & Inspection: API 598<\/p>\n

Fact to Face: ASME B16.10<\/p>\n

Flange End: ASME B16.5 \/ ASME B16.47<\/p>\n

NACE MR 1.75<\/p>\n

Function<\/strong><\/em><\/h5>\n

Start\/Stop Flow: Primarily used to start or stop the flow of fluid in a pipeline.<\/p>\n

Isolation: Provides a tight seal to isolate sections of a pipeline for maintenance or safety purposes.<\/p>\n

Minimal Pressure Drop: When fully open, gate valves offer minimal resistance to fluid flow, reducing pressure drop across the valve.<\/p>\n

Each type of gate valve is designed to meet specific requirements based on the application and operating conditions.<\/p>\n

Application<\/strong><\/em><\/h5>\n

Carbon steel is often used for gate valves with bolted bonnets due to its strength, durability, and resistance to wear. It’s suitable for a variety of applications, including:<\/p>\n

Water and wastewater systems: Handling the flow of water and wastewater.<\/p>\n

Oil and gas industries: Managing the flow of oil, gas, and other fluids.<\/p>\n

Power plants: Regulating the flow of steam and other fluids.<\/p>\n

Chemical processing: Handling various chemicals and process fluids.<\/p>\n

Carbon steel’s ability to withstand high pressures and temperatures makes it a reliable choice for these application[\/vc_column_text][\/vc_tta_section][vc_tta_section title=”STAINLESS STEEL” tab_id=”1691843438971-02ae1bf1-a5c4″][vc_single_image image=”3220″ img_size=”400X400″ alignment=”center” css=”.vc_custom_1691844054755{background-color: #ffffff !important;}”][vc_column_text css=””]<\/p>\n

GATE VALVE<\/strong><\/h4>\n

Sizes: 2\u201d to 24\u201d<\/p>\n

Pressure Rating: ASME CLASS 150# : 1500#.<\/p>\n

Specification & Standard:<\/strong><\/h5>\n

Design standard: API 600 \/ API 603 \/ ASME B16.34 \/ BS 1414 \/ ISO 10434<\/p>\n

Testing & Inspection: API 598<\/p>\n

Fact to Face: ASME B16.10<\/p>\n

Flange End: ASME B16.5 \/ ASME B16.47<\/p>\n

Stainless Steel Valves :<\/strong><\/em><\/h5>\n

Stainless steel gate valves are an excellent choice for specific applications, particularly when resistance to corrosion and extreme temperatures is crucial. Here are some scenarios where stainless steel gate valves are typically used:<\/p>\n

Chemical processing: Handling corrosive chemicals and aggressive fluids.<\/p>\n

Food and beverage industry: Maintaining sanitary conditions and preventing contamination.<\/p>\n

Pharmaceutical industry: Ensuring cleanliness and resisting chemical degradation.<\/p>\n

Marine environments: Resisting corrosion from saltwater and harsh marine conditions.<\/p>\n

High-temperature applications: Withstanding extreme temperatures without losing integrity.<\/p>\n

Stainless steel offers superior resistance to rust, corrosion, and staining, making it ideal for applications where durability and longevity are essential.<\/p>\n

Seawater treatment and pulp and paper industries.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=”DUCTILE IRON” tab_id=”1691843480823-360885be-d4c1″][vc_single_image image=”3222″ img_size=”400X400″ alignment=”center” css=”.vc_custom_1691844224957{background-color: #ffffff !important;}”][vc_column_text css=””]<\/p>\n

Download Datasheet<\/em><\/h5>\n
GOVAL GATE VALVES DI<\/a><\/strong><\/h5>\n

 <\/p>\n

GATE VALVE\u00a0<\/strong><\/h4>\n

Sizes: DN50 to DN400<\/p>\n

Pressure Rating: PN 10\/16<\/p>\n

Specification & Standard:<\/strong><\/h5>\n

BS 5163-1:2004<\/p>\n

BS EN 1074 Part 1 & 2<\/p>\n

Face to Face: EN558 Table 2 Basic Series 3<\/p>\n

Flanged Drilling: EN1092 \/ PN 10\/16<\/p>\n

 <\/p>\n

Function:<\/strong><\/em>
\nA gate valve is designed for on\/off control rather than throttling. It operates by raising or lowering a gate (disc) inside the valve body to allow or block fluid flow.
\nScrew-type ends for easy installation in pipelines.
\nBrass material provides good corrosion resistance and durability.<\/p>\n

Applications:<\/strong><\/em>
\n– Water Supply Systems \u2013 Used in potable water and irrigation pipelines.
\n– HVAC Systems \u2013 Controls water flow in heating and cooling applications.
\n– Oil & Gas Pipelines \u2013 Suitable for non-aggressive fluids like oil or low-pressure gas.
\n– Compressed Air Systems \u2013 Can be used in pneumatic applications.
\n– Industrial and Chemical Processing \u2013 Handles mild chemicals and fluids.
\n– Fire Protection Systems \u2013 Common in sprinkler systems for shut-off control.<\/p>\n

<\/h4>\n

\u00a0<\/strong>[\/vc_column_text][\/vc_tta_section][vc_tta_section title=”KNIFE GATE VALVE” tab_id=”1739913718789-2355936f-c5f4″][vc_single_image image=”3439″ img_size=”250X518″ alignment=”center” css=”.vc_custom_1739914032280{background-color: #ffffff !important;border-color: #ffffff !important;}”][vc_column_text css=””]<\/p>\n

Download Datasheet<\/strong><\/h5>\n
GOVAL KNIFE GATE VALVE<\/a><\/h5>\n

KNIFE GATE VALVE<\/strong><\/h4>\n

DN 50 to DN 250\u00a0 \u00a0 \u00a0 \u00a0:10 bar
\nDN 300 to DN 400\u00a0 \u00a0: 6 bar
\nDN 450: 5 bar
\nDN 500 to DN 600\u00a0 \u00a0: 4 bar
\nDN 700 to DN 1200\u00a0 : 2 bar<\/p>\n

Pressure Rating: : EN-1092 PN10 \/ PN 16
\nASME B16.5 (class 150)
\nOther Flange drillings available on request<\/p>\n

Material:<\/h5>\n

Body\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 :GJL250\/ GJS400 \/ EN-GJS-500-7 \/ CF8M
\nGate\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0:AISI 304 \/ AISI 316
\nSeat\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 :Metal-to-Metal,EPDM , NBR
\nPacking\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 :PTFE<\/p>\n

Function\u00a0<\/strong><\/em><\/h5>\n

A knife gate valve features a sharp-edged gate that can cut through thick fluids, slurries, or solids. When the valve is actuated, the gate moves up and down, allowing or stopping the flow of material. The thin gate and sharp edge make it particularly effective for:<\/p>\n

Severing: Cutting through viscous or solid-laden fluids.<\/p>\n

Blocking: Providing a reliable seal to prevent flow.<\/p>\n

Regulating: Controlling the flow rate, though this is a secondary function.<\/p>\n

Application<\/strong><\/em><\/h5>\n

Knife gate valves are ideal for applications involving:<\/p>\n

Wastewater treatment: Managing sludge and wastewater.<\/p>\n

Pulp and paper industry: Handling pulp mixtures, paper stock, and recycled materials.<\/p>\n

Mining: Controlling the flow of abrasive slurries, ores, and other mining by-products.<\/p>\n

Chemical processing: Dealing with corrosive and viscous chemicals.<\/p>\n

Food and beverage industry: Managing solid-laden fluids, like grains or mixtures in processing plants.<\/p>\n

The ability of knife gate valves to handle challenging media makes them indispensable in industries dealing with thick, abrasive, or slurry-like materials.[\/vc_column_text][\/vc_tta_section][vc_tta_section title=”BRASS” tab_id=”1739712197489-3f10932b-fcaf”][vc_single_image image=”3426″ img_size=”388X354″ alignment=”center” css=”.vc_custom_1739914655716{background-color: #ffffff !important;border-color: #ffffff !important;}”][vc_column_text css=””]<\/p>\n

BRASS VALVE<\/strong><\/h4>\n

DN 15 – DN 50<\/p>\n

Pressure Rating: PN 16<\/p>\n

Range : DN15 to DN50 PN16<\/p>\n

Body: Brass CW617N<\/p>\n

Gate : Brass CW617N<\/p>\n

Seal: NBR<\/p>\n

Operating Temperature:\u00a0 -10\u00b0C to 80\u00b0C<\/p>\n

Application<\/strong><\/em><\/h5>\n

Domestic water services: For controlling water flow in household plumbing systems.<\/p>\n

Heating and air-conditioning systems: Managing the flow of water or other fluids in heating and cooling systems.<\/p>\n

Compressed air systems: Regulating the flow of compressed air in industrial settings.<\/p>\n

Fire protection systems: Ensuring reliable operation in fire sprinkler systems.<\/p>\n

The body material, Brass CW617N, is known for its good mechanical properties and resistance to corrosion, making it suitable for these applications.[\/vc_column_text][\/vc_tta_section][\/vc_tta_tabs][\/vc_column][vc_column]\n

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