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Industrial Gate Valve Manufacturer

1.Fully compliant with API 600 and DIN standards for immediate industrial integration.
2.Fire-safe, metal-seated designs available in large & regular stock for critical safety applications.
3.Engineered for easy installation and maintenance-free operation with all items in stock & ready to ship.
4.Professional ex-stock supply serving chemical, refinery, and power industries globally.
5.Suited for corrosive, high-pressure, and extreme temperature environments with various types in ready stock.

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Gate Valve

Sedelon® is a trusted industrial gate valve stockist maintaining a massive, regular ex-stock inventory of API 600, API 602, and DIN 3352 compliant gate valves for the global oil & gas, petrochemical, power generation, and marine sectors. Our ready stock covers forged steel gate valves, cast steel gate valves, stainless steel gate valves, and special alloy gate valves in materials including WCB, CF8M, Duplex (F51/F53), and Hastelloy – all available with manual, gear-operated, pneumatic, or electric actuated configurations. All items are in stock and ready to ship, ensuring fast global delivery to keep your project on schedule.

As a leading industrial gate valve stockist, Sedelon® maintains a large, regular ex-stock inventory of API 600, API 602, and DIN 3352 compliant gate valves – from compact 1/2″ forged gate valves to large-diameter 24″ cast steel gate valves. Our ready stock & fast delivery model provides immediate ex-stock supply across the full material spectrum: from standard WCB carbon steel gate valves to corrosion-resistant Duplex stainless steel and Hastelloy alloy gate valves. All items are in stock and ready to ship, ensuring the shortest lead times for your global projects.

Industrial Gate Valve Stockist: Technical Specifications & Ready-to-Ship Inventory

Gate Valve Type (Standards) Materials in Stock (ASTM) Pressure Rating (Class) Size Range (NPS) Availability Status
API 600 Cast Steel Gate WCB, LCB, WC6, WC9 Class 150 – 1500 2″ – 24″ Ready to Ship
API 602 Forged Steel Gate A105, LF2, F304, F316 Class 800 – 2500 1/2″ – 2″ Immediate Dispatch
Stainless Steel Gate Valve CF8, CF8M, CF3, CF3M Class 150 – 600 1/2″ – 12″ Large Regular Stock
DIN 3352 Standard Gate Cast Iron, Ductile Iron PN10, PN16, PN25 DN50 – DN600 Ex-stock Supply
Special Alloy (Monel/Duplex) 4A, 5A, Alloy 20, Monel Class 150 – 900 2″ – 8″ Stock Available

Engineering Features & Custom Solutions:

  • Material Versatility: In-stock industrial gate valves available in forged steel (A105, LF2), cast steel (WCB, WC6, WC9), stainless steel (CF8/304, CF8M/316), and specialty alloys (Hastelloy, Duplex F51/F53, Monel, Alloy 20) for corrosive, cryogenic, and high-temperature environments.

  • Full Standard Compliance: Fully compliant with API 600, API 602, API 603, and DIN 3352; available with fire-safe design per API 607 and fugitive emission control per ISO 15848-1.

  • Flexible Wedge & Seat Options: Choice of solid wedge, flexible wedge, or resilient seated disc designs; renewable or integral seat options for bubble-tight, zero-leakage gate valve performance.
  • Severe Service Applications: Pressure seal gate valves for high-pressure/high-temperature (HPHT) service; bellows sealed gate valves for toxic or hazardous fluid isolation; cryogenic gate valves for LNG and low temperature applications.
  • Operation & Connection: Manual handwheel, bevel gear, pneumatic actuator, or electric motor operated; supports flanged (RF/RTJ), butt weld (BW), socket weld (SW), or NPT threaded ends.
  • Industrial Utility: Specialized knife gate valves stocked for slurry, pulp, thick, abrasive, or viscous media applications in mining and wastewater treatment.
  • API 600: Gate valves standard for general use.
  • API 602: Standard for Forged Steel Gate valves.
  • API 603: Standard for Stainless Steel Gate valves.
  • ISO 15848-1:2006: Certification for fugitive emission and low leakage gate valves.
API 6D Slab Gate Valve with Through Conduit Design for PIGging
Slab Gate Valve

Main Material：

WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M、LC1、LC2、LC3、LCB、LCC、Monel、 20# Alloys、4A、5A, ect.

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Extended Stem Gate Valve – Low Temperature LCB, API 600, Cryogenic Service
Extended stem gate valve

Main Material：

WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M、LC1、LC2、LC3、LCB、LCC、Monel、 20# Alloys、4A、5A, ect.

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API 602 Forged Steel Gate Valve – A105 F304 F316, Class 800 to 2500, In Stock
API Forged Steel Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Alloy Gate Valve – Hastelloy Monel Duplex, Corrosive Service, API 600 In Stock
Alloy Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Flanged End Forged Gate Valve – A105 LF2, ANSI B16.5, API 602 Ready to Ship
Flanged End Forged Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Cast Steel Gate Valve – WCB WC6 WC9, API 600, Class 150 to 1500 In Stock
Cast Steel Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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API 602 Forged Gate Valve – A105 F316, Class 800 to 2500, Immediate Dispatch
API602 Forged Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Big Size Gate Valve – Large Diameter DN600, WCB CF8M, API 600 Ex-Stock
Big Size Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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DIN 3352 Gate Valve – Cast Iron Ductile Iron, PN10 to PN25, DN50-DN600
DIN3352 Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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DIN Gate Valve – Ductile Iron Carbon Steel, DIN 3352, European Standard In Stock
DIN gate valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Butt Weld Gate Valve – WCB A105 F316, ANSI B16.25, API 600 Ready to Ship
Butt Weld Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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API 600 Gate Valve – WCB CF8M Stainless Steel, Class 150 to 1500, In Stock
API600 Gate Valves
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Cast Steel Gate Valve – WCB WC6 WC9, API 600, Class 150 to 1500 In Stock
Carbon Steel Gate Valves
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Industrial Gate Valve – API 600 Certified, WCB & Stainless Steel – Sedelon
Gate Valve
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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China High Temperature Gate Valve – WC6 WC9 Alloy Steel, API 600, Up to 500°C
High Temperature Gate Valves
Our industrial valves are designed for optimal performance and reliability across a wide range of applications.
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Why Choose Sedelon as Industrial Valves Manufacturer?

Sedelon is your reliable industrial valve manufacturer. We have a trusted supply network as well as we offer the latest production and assembly machinery. Here are the reasons why you should choose us as your industrial valve supplier.

Variety

Sedelon supports many industrial applications because we manufacture an extensive range of industrial valves，including butterfly, ball, check, gate, globe, plug, and actuated valves.

Custom Services

We offer tailor-made industrial valves to ensure that our product fits your application standards and demand.Sedelon is lSO, APl, MSS and ASME compliant to guarantee you the highest product quality.

Safety

Our industrial valves and services comply with international standards and specifications to make sure that we only produce the best and highest quality products and services to our clients.

Fast Shipping

As a business partner, Sedelon makes sure that we commit to our clients’ requested deadline because we very much understand the importance of adhering to the timeline required.

Frequently Asked Questions

1、Materia
2、After Sales
3、Design
4、Standard
5、Production capability
6、Others
Are the gate valves using non asbestos packing?
Yes, the packing we adopt is non asbestos packing.
What type of material can you supply for gate valves?
We can produce material of WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, F304, F316, CN7M, LC1, LC2, LC3, etc., including WCB cast steel gate valves, A105 forged gate valves, CF8M stainless steel gate valves, and Duplex alloy gate valves for corrosive service.
Do you have cryogenic gate valves?
Yes, we have cryogenic gate valves. We can assist to operate cryogenic treatment and test if needed. Our cryogenic gate valves comply with API 600 and are available in LF2 and LF3 low-temperature carbon steel, as well as austenitic stainless steel.
Do you have PMI/Spectrometer to verify the chemical content of material?
Yes, we have portable PMI, our foundry has a Spectrometer too.
What is your payment term?
We prefer T/T. Generally 30% T/T down payment, 70% T/T balance payment before delivery.
What is the standard of package?
Standard seaworthy packing, valves in water-proof plastic bags, fixed in plywood case.
Can you submit ITP for valves production?
Yes, we can provide ITP after receiving the order.
Does your company have WPS and PQR document?
Yes, we have these documents.
Do you produce gate valves with wedge of flexible type or solid type?
We produce both flexible and solid wedge gate valves.
Do your gate valves have rising stem or non-rising stem?
We produce both types.
Is the seat of gate valve renewable or integral?
Both types are available, depending on material. Austenitic stainless steel gate valves can have integral seats per API standards.
What connection types can you supply for gate valves?
Butt weld, flange end, socket weld, NPT thread, etc.
What is a bellows sealed gate valve and when is it used?
A bellows sealed gate valve uses a metallic bellows instead of conventional stem packing to achieve zero fugitive emissions from the stem. It is used in applications involving toxic, hazardous, or environmentally sensitive fluids such as chlorine, ammonia, or hydrogen sulfide, where any stem leakage would be unacceptable. Sedelon® stocks bellows sealed gate valves in compliance with ISO 15848-1.
What is a slab gate valve and where is it used?
A slab gate valve (also called a through conduit gate valve) features a single-piece gate with a bore that aligns perfectly with the pipeline when open, creating a full, unobstructed flow path. This design allows pipeline inspection tools (PIGs) to pass through freely. Slab gate valves are used in oil and gas transmission pipelines where pigging operations are required.
Is the gate valve production and design certified per API 600?
Yes, our production and design adhere to API 600 standards. In addition to API 600, we also manufacture gate valves per API 602 (forged steel), API 603 (stainless steel), and DIN 3352 standards.
What is your painting procedure for valves?
We have a painting operation manual and follow standard procedures.
Is the gate valve a finished product or can it be customized?
Gate valves are produced according to standards, but we can customize based on technical requirements.
What are the certifications gotten by your company?
Sedelon® is certified by API 600, API 6D, API 607, API 6FA, API 624, CE, ISO 9001, ISO 45001, ISO 14001, ISO 15848-1, etc.
What is the difference between API 600 and API 602 gate valves?
API 600 covers bolted bonnet cast steel gate valves typically used in larger sizes (2″ and above) for general industrial and pipeline service. API 602 covers forged steel compact gate valves in smaller sizes (1/2″ to 2-1/2″) designed for high-pressure applications up to Class 2500. Sedelon® maintains ex-stock inventory of both API 600 and API 602 gate valves for immediate dispatch.
What size range and pressure classes are available in your gate valve stock?
Sedelon® ex-stock gate valves cover sizes from 1/2″ (DN15) to 24″ (DN600) and pressure classes from Class 150 to Class 2500 (ANSI/ASME), as well as DIN PN10 to PN40. For API 602 forged gate valves, we stock sizes from 1/2″ to 2-1/2″ in Class 800 to Class 2500. For API 600 cast steel gate valves, sizes from 2″ to 24″ in Class 150 to Class 1500 are available for immediate dispatch.
What is your production capacity per product line?
It varies based on size, pressure, and material. The highest production capacity is for carbon steel.
Can you supply gate valves from stock for corrosive or high-temperature environments?
Yes, we have various types of valves in ready stock specifically for severe services. Our ex-stock supply includes gate valves made from WCB, CF8M, Monel, Hastelloy, and Duplex Stainless Steel, capable of handling temperatures up to 752°F (500°C).
Do you have any MOQ limit for valve orders?
Yes, there is a limit for small sizes, but for large sizes, 1 piece is acceptable.
Do you provide tagging for all items?
Yes, we can provide tagging based on your requirements.
What is your main market?
Middle East, Southeast Asia, America, Africa, Russia, and Australia.
Do you have equipment and staff to perform NDT?
Yes, we have the necessary equipment and qualified staff.

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Corporate Mission: Create Value for Clients, Create Opportunities for Staff, Create Efficiency for Corporate, Create wealth for Society.Quality+Service=Satisfaction.

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  • Factory 1#
    No. 777. Dongou Commercial Street Baoyi Industrial Zone, Wenzhou, Zhejiang, China.
  • Factory 2#
    Building 2, District 15, Wanyang Zhongchuang, Bihu Town, Liandu Region, Lishui City, Zhejiang Province,China
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