English

English

Get a Quote
Products

Hot Products

Company News

Top 5 Industrial Valve Types Every Engineer Should Know in 2026
Top 5 Industrial Valve Types Every Engineer Should Know in 2026
2026-03-27

Choosing the right industrial valve type is one of the most critical decisions in system design. A poor selection—even when using high-quality valves—can lead to leakage, pressure loss, vibration, frequent maintenance, and long-term operational inefficiency. This guide covers the main industrial valve types, their applications, advantages, and limitations, along with practical insights to help you make the right valve selection for your project in 2026.   What Are Industrial Valve Types? Industrial valve types refer to different valve designs used to control, regulate, or isolate fluid flow in piping systems. Each type is engineered for a specific function—such as shut-off, throttling, or backflow prevention—and selecting the correct type is essential for system safety and efficiency.   5 Main Industrial Valve Types and Their Applications 1. Ball Valve Best for: Quick shut-off and low pressure drop Ball valves use a rotating ball with a straight-through bore. When fully open, they provide minimal resistance, making them one of the most efficient options for fluid transmission. Common applications:      ● Oil and gas pipelines      ● High-pressure systems      ● Frequent on/off operations Selection notes:      ● Full-port designs minimize energy loss      ● Metal-seated ball valves perform better in abrasive or high-cycle conditions   Avoid if:Precise flow control is required. Throttling with a ball valve can damage sealing surfaces over time.   2. Gate Valve Best for: Isolation service with minimal flow resistance Gate valves operate by lifting a gate out of the flow path. They are widely used in large-diameter pipelines where full open or full close operation is required. Common applications:      ● Long-distance transmission pipelines      ● Water treatment systems      ● High-temperature steam lines Selection notes:      ● Near-zero pressure drop when fully open      ● Wedge gate valves provide better sealing in high-temperature conditions   Avoid if:Frequent operation or throttling is required. Gate valves are not designed for repeated cycling.   3. Globe Valve Best for: Precise flow regulation Globe valves force fluid through a controlled flow path, allowing accurate throttling and stable flow control. Common applications:      ● Steam systems      ● High-temperature processes      ● Flow regulation applications Selection notes:      ● Excellent throttling performance      ● Stable operation under fluctuating flow conditions   Avoid if:Pressure drop must be minimized. Globe valves inherently create higher flow resistance.   4. Check Valve Best for: Automatic backflow prevention Check valves operate automatically based on flow directi...

Can Line Blind Valves Handle High-Temperature Steam Applications?
Can Line Blind Valves Handle High-Temperature Steam Applications?
2026-03-19

Recently, Dervos Valve helped a client in Hungary overcome a common challenge in industrial steam systems: how to safely isolate high-temperature pipelines without leakage or downtime.   Operating with saturated steam at around 250°C and exposed to temperatures as low as -39°C, the client’s system demanded a solution that was both robust and reliable. Traditional valves often failed to maintain a tight seal under such conditions, and conventional isolation methods required depressurizing the line, increasing downtime and operational risk.   To address these challenges, Dervos supplied a DN400 PN40 sliding line blind valve, engineered specifically for the project’s harsh conditions. The valve’s sliding blind mechanism allows operators to switch between flow and isolation positions without depressurizing the system, enhancing safety and efficiency during maintenance.   Built with forged 20GML steel and a metal-to-metal stainless steel sealing structure, the valve delivers reliable performance under both high-temperature steam and extreme outdoor climates. Its full-bore design minimizes flow resistance, while the worm gear manual actuator ensures smooth and controlled operation even at large sizes and high pressure ratings. Safety features such as anti-misoperation devices and protective blind plate structures further reduce the risk of errors during handling.   Since installation, the valve has enabled leak-free operation, safer maintenance procedures, and stable performance in extreme temperatures. Designed for a service life exceeding 30 years, it provides a long-term, low-maintenance solution, giving the client confidence in their steam system’s reliability and safety.   This project highlights how a carefully engineered sliding line blind valve can solve critical isolation challenges in high-temperature steam applications, combining operational safety, durability, and efficiency in one solution.

Are Gate Valves Full Port?
Are Gate Valves Full Port?
2026-03-13

In industrial piping systems, gate valves are generally considered low-resistance isolation valves. When the valve is fully open, the gate is completely withdrawn from the flow path, allowing the fluid to pass through with minimal obstruction.   However, from a strict engineering perspective, not all gate valves are classified as full port valves.   If the seat bore is equal to or very close to the pipeline internal diameter, the flow experiences little or no restriction. In this case, the valve can be considered full port (or near full port). This design is commonly used in oil and gas pipelines, water transmission systems, and other applications where low pressure drop is required.   If the seat bore is slightly smaller than the pipe internal diameter, a minor flow restriction will occur inside the valve. In such cases, the valve is more accurately described as reduced bore. This configuration is more common in smaller sizes or cost-optimized valve designs.   In engineering practice, a simple selection logic can be applied: ● If the system requires minimum flow resistance or pipeline pigging, the valve bore must match the pipeline diameter. ● If the valve is used for general isolation purposes, most standard gate valves can already meet the required flow capacity.   Therefore, a concise conclusion can be drawn: Gate valves are typically close to full port designs, but whether they are truly full bore depends on whether the seat bore equals the pipeline internal diameter.   QA   Q1: Are gate valves always full bore?Not necessarily. If the seat bore equals the pipe internal diameter, the valve can be considered full bore. If it is slightly smaller, it is classified as reduced bore.   Q2: Why do gate valves have relatively low flow resistance?When the valve is fully open, the gate is completely removed from the flow path, allowing the fluid to pass through in a nearly straight line, which results in low pressure drop.   Q3: Are gate valves suitable for high-flow pipelines?Yes. If the system requires low pressure drop, gate valves are commonly used.   Q4: Is the concept of full port the same for gate valves and ball valves?Not exactly. For ball valves, the bore size is determined by the ball port diameter, while for gate valves, it is mainly determined by the seat bore diameter.

Gate Valve
加载中...

Forged Steel Gate Valve 1" 2500LB A105N SW

  • Payment:

    30% when order confirmed, 70% before shipment
  • Product Origin:

    china
  • Color:

    Customization
  • Shipping Port:

    Shanghai, China
  • Lead Time:

    30~60 days Ex Works after order confirmation
  • Material:

    ASTM A105N
  • Method of Operation:

    HANDWHEEL
Inquiry now
Product Detail

1" 2500LB gate valve is made according to API 602 standard. The valve body is made of ASTM A105N. It has the structural characteristics of Welded Bonnet, Rising Stem, Rigid Gate. Its connection mode is SW. And it has Hand Wheel operation mode.

Product Parameters

 

Type

Forged Steel Gate Valve

Size

1inch

Pressure

2500LB

Connection

SW

Operation

Hand wheel

Body Material

ASTM A105N

Design Norm

API 602

Face to face

Manufacturer's Std.

Flange ends

ASME B16.25

Test & Inspection Code

API STD.598

Temperature

-29 ~ 425°C

Applicable Medium

Water, Steam Oil

Features

1.Forged from A105N carbon steel, suitable for high-pressure service up to 2500LB with excellent mechanical strength.

2.Socket weld (SW) end connection provides a compact, leak-resistant joint ideal for small-bore, high-pressure piping systems.

Technical Drawing

Forged Steel Gate Valve

Dimension Checking

Forged Steel Gate Valve

Pressure Testing

Forged Steel Gate Valve

Nameplate & Packing

Forged Steel Gate Valve

Inspection Report

Forged Steel Gate Valve

Leave A Message

If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products
Bolted Bonnet Forged Gate Valve
Forged Steel A105 Gate Valve Threaded 1 Inch 2500 LB

The 1 inch 2500 LB high pressure forged steel gate valve features in solid wedge, reduced port, bolted bonnet, handwheel, rising stem and female thread ( FNPT). The forged valves comply with API 602 and API 598. Quick Detail Type Gate Valve Size 1'' Pressure Class 2500 Construction BB, Rising Stem, OS&Y, Solid Wedge Connection Thread Connection Operation Handwheel Operated Body Material ASTM A105 TrimMaterial 13CR+STL Design API 602 End to End ASTM B16.10 Pressure & Temp ASTM B16.34 Connection End ASTM B1.20.1 Temperature Range -29℃~+425℃ Medium WOG Origin China Product Range Body material: Carbon Steel, Stainless Steel, Alloy Steel, Low Temperature Steel Normal diameter: 1/2’’~4’’ End connection: BW, SW, Flange, Threaded Pressure range: 150lbs~2500lbs (PN16~PN420) Operation: Handwheel, Bare Stem, With Actuators Working temperature: -46℃~ +425℃ How do we control quality during the manufacturing process? Casting Inspection:  Check the appearance, wall thickness, quantity, size and original material report etc. Must repair it meet MSS SP 55 before machining if unqualified.   Machining supervision: Supervise the production process and find potential problems to avoid wrong production or wrong production design by randomly visiting the factory and checking the manufacturing process.

API602 Gate Valve
API602 Gate Valve 1 Inch 0.75 Inch 900LB BW Handwheel

API602 Gate Valve Bolt Bonnet Outside Screw Yoke Solid Wedge Reduced Bore Butt Weld Connection SCH80S A182 F11 Body Trim #5(13%Cr+STL) 900LB 1 inch 3/4 inch Quick Detail Type GateValve Size 3/4 inch-1 inch Design Pressure CL900 Construction BB, OS&Y ConnectionType BW OperationType Handwheel Body Material F11 WedgeMaterial F6a+STL Stem Material F6a Seat Material F6a+STL Design Code API 602 Face to Face Dimension ASME B16.10 Test and Inspect API 598 Pressure & Temp ASME B16.34 Medium Water, Oil and Gas Origin China API602 Gate Valve 1 Inch 0.75 Inch 900LB BW Handwheel

A105N  0.5 inch RF Gate Valve
Integral Flange Bolt Bonnet A105N Full Bore Gate Valve

API602 Gate Valve Bolt Bonnet Outside Screw Yoke Solid Wedge Full Bore Integral Raised Face Flange Connection A105N Body Trim 13Cr 150LB 300LB 1/2 inch 3/4 inch A182 F6a Seat/Wedge /Stem, 304+Graphite/Gasket 

800LB DN20 Gate Valve
Forged Steel Handwheel Gate Valve A105 SW BB DN20 800LB

DN20 800LB PN130 Forged Steel A105 SW Connection Way BB OS&Y Handwheel Operation Gate Valve Body and Bonnet A105 API600 Trim 8 Seat 410+STL Wedge 420 Stem 410 Gasket 304+Graphite  Design and Manufacture API602 Face to Face ANSI B16.11 Welded end Dimensions API 602 Test and Inspection API 508. Quick Detail Type Gate Valve Size DN20 Pressure 800LB Construction BB,OS&Y Connection SW Operation Mode Handwheel Body Material A105 Cover A105 Design & Manufacture API 602 End Connection API 602 Inspection API 598 Temperature Range -29℃~+425℃ Medium Oil, Water, Gas

1 Inch 800LB gate valve BB OSY SW
Gate Valve BB OSY SW 1 Inch 800LB

The 1 inch 800LB gate valve is designed as per API 602 with SW and handwheel operation. The stainless steel F316 gate valve has the construction of bolted bonnet, outside screw and yoke.

flanged forged globe valve
Reduced Bore Forged Gate Valve, Welded Bonnet, Integral Flanged

China Welded Bonnet Gate Valve Producer Fabricates Reduced Bore Forged Steel Gate Valve, A105N, 1/2-4 Inch, 150-1500 LB, Welded Bonnet, Integral Flanged.

Forging Gate Valve
1 Inch 600LB Forging Gate Valve API 600 Handwheel Rising Stem

China 1 Inch Gate, Valve Manufacturer Dervos Provides 1 Inch Gate Valve, A105, API 600, Class 600, Flanged, Handwheel Operation.

Gate Valve
Forged Steel Gate Valve 1 Inch 300LB Solid Wedge

The 1 inch forged steel gate valve is constructed of integral flange, bolted bonnet, rising stem and solid wedge and bolted bonnet. The valve has the design standard API 602 and inspection standard API 598. Dervos could offer customizing service by providing clients with valves in different sizes, materials, standards, design pressure, structure, operation type and connection type.

Gate Valve
1" 800LB Forged Steel Gate Valve BW*NPT F5 API602

1" 800LB gate valve is made according to API 602 standard. The valve body is made of A182-F5. It has the structural characteristics of rigid gate, welded bonnet and extended valve body 100mm. Its connection mode is BW*NPT. And it has hand wheel operation mode.

Gate Valve
DN50 PN40 Forged Steel Gate Valve A105 Hand Wheel ISO

DN50 PN40 gate valve is made according to EN ISO 15761 standard. The valve body is made of ASTM A105N. It has the structural characteristics of rigid wedge, full bore, rising stem and bolted cover. Its connection mode is EN1092-1 B1. And it has hand wheel operation mode.

Gate Valve
1/2" 300LB Forged Steel Gate Valve A105N API602 BB OS&Y RF

1/2" 300LB gate valve is made according to API602 & ASME B16.34 standard. The valve body is made of A105N. It has the structural characteristics of BB, OS&Y, rigid wedge, NACE MR0175, corrosion allowance 3mm and leakage level ISO5208A. Its connection mode is RF overall. And it has hand wheel operation mode.

Gate Valve
API602 1" 300LB Forged Steel Gate Valve A105N HandWheel RF

1" 300LB gate valve is made according to API 602 standard. The valve body is made of ASTM A105N. It has the structural characteristics of bolted cover and rigid wedge. Its connection mode is RF integral flange. And it has hand wheel operation mode.

Leave a message

    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

about

contact