GATE VALVES

Gate valves are vital tools in the realm of fluid control, renowned for their ability to regulate the flow of liquids in pipelines with exceptional precision. Gate valves serve a multitude of applications with their robust design and efficient operation.

Gate valves belong to the family of linear motion valves, utilizing a sliding gate or wedge-shaped disc to control the flow of fluids. When the valve is open, the gate is lifted to allow passage of fluids, while it is lowered to obstruct the flow when the valve is closed. This mechanism enables gate valves to provide a tight seal and minimal obstruction to flow when fully opened.

Gate valves are indispensable components in fluid control systems, offering precise flow regulation, excellent shut-off capability, and reliability across diverse industries and applications. Whether in oil and gas facilities, water treatment plants, power generation facilities, or chemical processing plants, gate valves continue to play a crucial role in ensuring safe and efficient fluid handling operations. Their versatility, efficiency, and robust design makes gate valves a preferred choice for engineers and system engineers seeking optimal performance and reliability in fluid control systems.

At Merwede Valves, we have over 70 years of experience in this design.

SUITABLE APPLICATIONS

• Chemical processing • Nitrogen service
• Oil & Gas services • Shipbuilding industry
• Water treatment service • Drilling mud service
• Power generation • Cold start air
• Completion fluids • Cement service
• Food & Beverage industry • Marine industry

UNIQUE FEATURES

• Precise flow control • Reliable performance
• Excellent shut-off capability • Robust design
• Minimal pressure drop • Versatility

The standard in

Non-standard
Valves

Technical Specifications

Size inch (DN)
1/2" (15) - 14” (350)
ANSI class (lbs)
150 - 4500
API rating (psi)
3000 - 10000
DIN rating (PN)
10 - 400
API 600
EN-1984
API 602
ASME B16.34
API 603
DIN
ISO 10423 (API 6A)
Russian GOST
ISO 10434 (BS1414)
NORSOK
ISO 14314 (API 6D)
PED
ISO 15761 (BS5352)
Manufacturer standard
Pressure
Vacuum to 765 bar(g)
Temperature
-196°C to +850°C
Bolted Bonnet, O.S.&Y., Back seated
Screwed-in Seal Welded Bonnet, O.S.&Y., Back Seated
Pressure Seal Bonnet, O.S.&Y., Back Seated
Handwheel Operated
Gear Operated
Actuated
Solid
Flexible
Integral
Renewable
Tungsten Carbide Coating
Chrome Carbide Coating
Stelliting
Kolsterising®
ISO 5208
ISO 14313 (API 6D)
API 598
EN 12266 Part 1/2
ISO 10423 (API 6A)
Clients’ specification
Flanged (FF / RF / RTJ)
Butt Weld
Socket Weld
Threaded (Male / Female)
Hubbed or Mechanical Ends
SAE Flanged
Compact Flanged
Clients’ specifications