China Grooved Gate Valve Manufacturers, Suppliers and Factory - Grooved Gate Valve Price

Fire Sprinkler System
- Standard Response Fire Sprinkler
  - FM Approved Standard Response Fire Sprinklers For Reliable Fire Protection
- Quick Response Fire Sprinkler
Fire Protection Valve
- Flanged Gate Valve
- Grooved Gate Valve

Your Professional Grooved Gate Valve Supplier

Founded in 2025, NONFIR is a professional manufacturer dedicated to FM/UL certified fire protection equipment, including automatic fire sprinklers, gate valves, and system components. NONFIR offers FM/UL certified fire protection products, specializing in sprinklers (pendent, upright, sidewall), gate valves, and other certified fire protection equipment, all manufactured for durability, reliability, and high performance.

Grooved OS&Y Gate Valve For Fire Protection Systems
Proper fire valve installation is essential for ensuring reliable fire protection system performance. Common mistakes such as incorrect flow direction, poor pipe alignment, improper tightening, and lack of system support can lead to
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Gate Valve Stem
Nonfir grooved gate valve features a precision-engineered stem that ensures smooth operation, corrosion resistance, and FM/UL certified reliability for long-lasting performance.The Nonfir grooved gate valve features a precision-engineered
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Industrial Gate Valve
Nonfir industrial gate valve delivers FM/UL-certified durability, high-pressure resistance, and reliable operation for demanding industrial water and chemical systems.The Nonfir industrial gate valve delivers FM/UL certified quality,
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Grooved End Gate Valve
Engineered as an FM/UL certified valve, the Nonfir valve combines quick installation, leak-free operation, and stable connections for fire protection and industrial pipelines.The Nonfir grooved end gate valve features FM/UL certified
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Gate Valve Dimensions
Nonfir gate valves feature precise FM/UL certified gate valve dimensions, ensuring seamless pipeline integration, accurate installation, and long-term reliable performance.The Nonfir gate valve is engineered with strict adherence to
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Gate Valve Images
Nonfir gate valves feature precise FM/UL certified gate valve dimensions, ensuring seamless pipeline integration, accurate installation, and long-term reliable performance.Nonfir provides high-resolution gate valve images that highlight
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Water Main Gate Valve
Nonfir valve combines FM/UL certified quality with robust construction, ensuring reliable high-flow control and long-term operational safety for critical pipeline systems.Nonfir water main gate valve delivers FM/UL certified quality and
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Gate Valve Sizes
Nonfir offers a full range of FM/UL certified valves, from DN50 to DN300, designed for reliable flow control and seamless integration across fire protection, industrial, and municipal pipeline systems.Nonfir offers a complete range of gate
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FM Global Fire Protection
Nonfir gate valves are engineered to meet strict FM Global fire protection requirements, delivering certified reliability and long-term performance for international fire protection systems.Nonfir gate valves are meticulously engineered to
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Flanged Gate Valves
A robust valve designed for reliable shutoff in fire protection and industrial water supply systems.Nonfir flanged gate valves are robust solutions designed for reliable shutoff in fire protection and industrial water supply systems. These
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Why Choose Us

Our Certificate

NONFIR products are FM and GB certified, ensuring reliable, high-quality, and compliant fire protection solutions, backed by multiple patents.

Production Market

NONFIR products are sold across China and exported to the Middle East, Southeast Asia, Russia, South America, and other countries, achieving an annual sales volume of about RMB 301.26 million.

Professional Team

Our professional team confirms all customer requirements before production, ensures sprinklers, valves, and other fire protection products meet strict quality standards during manufacturing, and offers dedicated after-sales support for installation guidance, troubleshooting, and product issues, guaranteeing reliable solutions and full customer satisfaction.

Our Factory

NONFIR operates a modern facility with over 115 employees and a fully automated production line for FM/UL certified fire sprinklers, ensuring precise, high-quality, and reliable fire protection products for industrial, commercial, and high-rise applications worldwide.

The Function Of Grooved Gate Valve

It can completely cut off the liquid flow

The groove gate valve can completely block the flow of liquid in the pipeline, achieving isolation and interception of the pipeline.

Adjustable liquid flow rate

By moving the groove gate up and down, the flow rate of liquid through the pipeline can be accurately adjusted, achieving flow control.

It has anti reflux function

When the groove gate valve is closed, its groove gate completely blocks the pipeline, which can prevent the reverse flow of liquid and play a role in preventing backflow and check.

The structure is simple and reliable

The groove gate valve is composed of a few parts such as groove gate pieces, brake shoes, bolts, handwheels, etc. It has a simple structure, reliable operation, long service life, and convenient maintenance.

It is commonly used in hydraulic transmission systems

Grooved gate valves are often used in various hydraulic mechanical equipment to control hydraulic oil circuits and various industrial pipeline systems, in order to regulate pressure and control flow.

It is also used for water flow

Trench gate valves are not only used for hydraulic equipment, but also for controlling normal water flow and level in rivers, channels, tanks, etc., playing a role in water storage, discharge, and flow control.

Product Paramenters

Item	Specification
Valve Type	Flanged / Grooved OS&Y
Certificate	FM/UL
Nominal Diameter (DN/In)	2 – 12 in (DN50 – DN300)
Pressure Rating	300–350 psi
Temperature Range	0 °C – 120 °C
Connection Type	Flanged to BS EN / ANSI 125-150 / Grooved to AWWA C606
Body Material	High-strength cast iron / ductile iron
Stem Material	Stainless steel, precision machined
Sealing	Wear-resistant rubber / EPDM
Application	Large-diameter pipelines, high-flow systems

Types of Grooved Gate Valve

There are several types of grooved type gate valve , each designed to meet specific operational needs. The most common types include solid wedge, flexible wedge, and split wedge or parallel disk gate valves. Solid wedge grooved type gate valve are the most widely used due to their simplicity and strength, suitable for various applications. Flexible wedge valves feature a cut around the perimeter to improve seat alignment and reduce sticking, making them ideal for handling thermal binding. Split wedge or parallel disk gate valves consist of two solid pieces that align against the seats, providing a tight seal in high-pressure applications. Each type of grooved type gate valve offers distinct advantages, allowing for optimal performance in different environments.

Common Materials for Grooved Gate Valve

Cast Iron: Cast iron gate valves are widely used in large-scale industrial applications and municipal water systems due to their durability, cost-effectiveness, and ability to withstand high pressures.

Ductile Iron: Similar to cast iron, ductile iron is stronger and more flexible, making it suitable for high-demand applications where cast iron might fail under stress. This does however, generally, make it more expensive.

Stainless Steel: Highly resistant to corrosion and temperature extremes, stainless steel gate valves are commonly used in chemical, pharmaceutical, and food processing industries. They are ideal for applications involving corrosive or abrasive fluids or where there is a requirement for a high degree of cleanliness.

Bronze Gate Valves: Bronze gate valves offer high levels of corrosion resistance, particularly in seawater and other marine applications. They are commonly used in the marine and oil industries due to their durability and ability to withstand harsh environmental conditions.

Brass Gate Valves: Often used in plumbing, irrigation and industrial applications, brass gate valves provide good corrosion resistance and are easy to manufacture. They are a popular choice due to their relatively low cost.

Application of Grooved Gate Valve

Petrochemical

Refineries, chemical plants, storage terminals

Power Generation

Fossil fuels, nuclear, renewables

Pulp and Paper

Washers, digesters, chemical handling

Mining

Slurry lines, dewatering, tailings

Water/Wastewater

Treatment facilities, large distribution lines

Food and Beverage

Ingredient lines, CIP, utility distribution

Maintain Of Grooved Gate Valve

Regular Inspection

The first step in maintaining a gate valve is to conduct regular inspections. This means checking the valve for any signs of wear and tear, such as leaks, corrosion, or damage to the valve stem or gate. You should also inspect the valve's packing gland to make sure it's properly tightened and not leaking.

Lubrication

Another important aspect of gate valve maintenance is lubrication. The valve stem and gate need to be lubricated regularly to ensure smooth operation. You can use a high-quality lubricant that's specifically designed for gate valves.

Cleaning

Over time, gate valves can accumulate dirt, debris, and other contaminants. This can affect the valve's performance and lead to premature wear. To prevent this, it's important to clean the valve regularly. You can use a soft brush or cloth to remove any dirt or debris from the valve's exterior. For the interior of the valve, you may need to use a cleaning solution or solvent.

Pressure Testing

Periodically, you should conduct pressure testing on your gate valves. This will help you identify any potential leaks or weaknesses in the valve. You can use a pressure testing device to apply pressure to the valve and check for any signs of leakage.

FAQ

Q: What are the key considerations when choosing gate valves for high-pressure applications?

A: When selecting grooved type gate valve for high-pressure applications, it is essential to consider the valve's pressure rating and material construction. Valves made from robust materials like carbon steel or stainless steel can withstand higher pressures. Additionally, the design, such as a parallel disk or split wedge, can offer better sealing capabilities under high pressure, ensuring reliability and safety.

Q: How do gate valves differ from other types of valves?

A: Grooved type gate valve differ from other valves primarily in their mechanism and application. Unlike ball or globe valves, gate valves provide a straight-line flow with minimal restriction, making them ideal for applications requiring full bore flow. Their design allows for excellent shut-off capabilities, but they are not typically used for throttling or flow modulation.

Q: Can gate valves be used in both liquid and gas applications?

A: Yes, grooved type gate valve can be used in both liquid and gas applications. Their bi-directional design allows them to control flow efficiently in either direction, accommodating various mediums. However, it is crucial to ensure that the valve's material and design are compatible with the specific properties of the gas or liquid, such as temperature and corrosiveness.

Q: What maintenance practices are recommended for gate valves?

A: Regular maintenance of grooved type gate valve includes checking for leaks, ensuring smooth gate movement, and inspecting sealing surfaces for wear. Lubrication of moving parts is necessary to maintain operational efficiency. Scheduled inspections can prevent potential failures, especially in systems where the valves are frequently used, thereby extending their lifespan and maintaining system integrity.

As one of the leading grooved gate valve manufacturers and suppliers in China, we offer a wide range of products with superior quality. Please feel free to buy high quality grooved gate valve made in China here from our factory. For price consultation, contact us.

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