API Standard Flat Gate Valve

API Standard Flat Gate Valve

The API Standard Flat Gate Valve is a slab gate valve that complies with API standards.

  • Product Introduction
 

Product Introduction

 

The API Standard Flat Gate Valve is a slab gate valve that complies with API standards. Manufactured from cast steel, stainless steel, or forged steel, it features a full-bore design, low flow resistance, and superior sealing performance, making it widely utilized in petroleum, natural gas, refining, and long-distance pipeline systems.

 

11173

 

 

Material for main parts

 

Material for main parts

Part Name

ASTM Materia

Body

A216 WCB

A351 CF8M

A217 WC6

Cover

A105

A182-F316

A182-F11

Gate

A182-F6a

A182-F316

A182-F6a+HF

Stem

A276-410

A276-316

A276-410

Seat

A276-410

A182-F316

A276-410+HF

Gasket

Graphite+304

Graphite+316

Graphite+304

Cap bolt

A193-B7

A193-B8M

A193-B16

Packing

Graphite

Packing sleeve

A276-410

A276-316

A276-410

Packing plate

A105

A182-F316

A182-F11

Union bolt pin

A276-410

A276-316

A276-410

Live bolt

A193-B7

A193-B8M

A193-B16

Union nut

A194-2H

A194-8M

A194-2H

Stem nut

A276-410

Handwheel

Malleable iron

Hand wheel nut

Carbon steel

 

 

Application Scenarios

 

 

Oil Pipelines: Used for start-up, shut-down, and control within crude oil transmission systems.

 
 

Natural Gas Pipelines: Used for high-pressure gas transmission and emergency shut-off applications.

 
 

Refining & Petrochemical Systems: Used for the isolation of high-temperature and high-pressure media.

 
 

Chemical Industry: Used for the control of corrosive fluid transmission.

 
 

Power Generation Systems: Used in steam lines and industrial circulation piping.

 
 

Offshore Platforms: Used in offshore oil and gas transmission systems.

 
 

Long-Distance Pipelines: Used in large-diameter main pipelines to facilitate low-resistance transmission.

 

 

 

Production Capacity

 

 

Production Facilities
Equipped with CNC machining centers, CNC lathes, automated welding systems, and valve assembly lines.
Equipped with pressure testing, spectral analysis, and non-destructive testing equipment.

 

Manufacturing Capabilities
Utilizes precision casting, forging, and hard-facing (hard-seal overlay welding) processes.
Surface treatments include sandblasting, anti-corrosion coating, and rust prevention.

 

Production Capacity
Supports mass production for sizes ranging from DN50 to DN1200.
Ensures stable supply and is capable of fulfilling large-scale project orders.
Offers short lead times for standard products.

 

OEM / ODM Capabilities
Supports customization of materials, pressure ratings, connection types, and actuation methods.
Supports OEM customization for logos, nameplates, and packaging.

 

Quality System
Manufactures in strict compliance with API, ANSI, and ISO standards.
Implements comprehensive quality inspection throughout the entire production process; every valve undergoes pressure and seal testing prior to leaving the factory.

 

 

FAQ

 

Q: What pressure classes are available for your API Standard Flat Gate Valves?

A: We offer pressure classes ranging from Class 150 to Class 2500. Our valves comply with API 6D and API 600 standards, meeting the diverse requirements of various high-pressure pipeline applications.

Q: Can these valves be used for natural gas and corrosive media?

A: Yes. We offer a selection of materials-including WCB, CF8, CF8M, and F316-making the valves suitable for applications involving natural gas, petroleum products, and corrosive media.

Q: Do you offer customization for large-diameter valves?

A: Yes. We support customization for sizes ranging from DN50 to DN1200, as well as for valves requiring special structural designs or non-standard operating conditions.

Q: How is the sealing performance of your valves?

A: Our valves utilize either soft-sealing or metal-to-metal hard-sealing structures. This ensures stable sealing performance capable of meeting the "zero leakage" requirements often demanded in high-pressure applications.

Q: Can you provide third-party inspection services?

A: Yes. We facilitate inspection services through third-party agencies such as SGS, BV, and TUV, as well as through third parties designated by the customer.

Q: What is the typical lead time for delivery?

A: For standard models, delivery typically takes 7 to 20 days. For bulk orders or customized valves, the production lead time is determined based on the specific specifications confirmed for the order.

Q: Do you offer OEM/ODM services?

A: Yes. We provide full OEM/ODM support, allowing for the customization of logos, nameplates, colors, packaging, actuation methods, and special material configurations.

Q: What tests are performed on the products before they leave the factory?

A: All valves undergo rigorous shell strength testing, sealing performance testing, and dimensional inspections to ensure full compliance with API standard requirements.

Q: Which markets do you primarily export your valves to?

A: Our products are widely exported to industrial markets across the Middle East, Southeast Asia, Europe, South America, and Africa.

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