Wafer Type Damper Valve

Description

Wafer Type Damper Valve – Industrial Flow & Air Regulation Solution by Krishna Industries, Ahmedabad

Introduction to Wafer Type Damper Valve

In modern industrial systems, precise control of air, gas, and low-pressure fluid flow is essential for efficiency, safety, and long equipment life. One of the most reliable and widely used solutions for such applications is the Wafer Type Damper Valve. Designed primarily for on-off or throttling service in ducting and piping systems, this valve plays a critical role in industries such as power plants, cement plants, steel plants, chemical processing units, HVAC systems, boilers, furnaces, and pollution control equipment.

Krishna Industries, based in Ahmedabad, Gujarat, India, is a trusted supplier of Wafer Type Damper Valves for Indian industries. With a strong understanding of domestic operating conditions, Indian standards, and project-based requirements, Krishna Industries offers robust, durable, and cost-effective damper valve solutions suitable for continuous industrial use across the country.

A Wafer Type Damper Valve is installed between two flanges and held in position by the flange bolts, making it compact, lightweight, and easy to install compared to lug or flanged body designs. It is especially suitable where space is limited and where large diameters are required at an economical cost. The valve consists of a circular disc mounted on a shaft, which rotates to regulate or isolate the flow of air, gas, fumes, or light particulate media.

Related product categories commonly associated with Wafer Type Damper Valves include butterfly valves, industrial dampers, duct dampers, flue gas dampers, and ventilation control valves. These products together form the backbone of flow control systems in Indian industrial infrastructure.

Krishna Industries positions itself not just as a trader, but as a solution-oriented supplier that understands application-specific needs, whether it is high-temperature flue gas control, dust-laden air handling, or general ventilation isolation.

What is a Wafer Type Damper Valve

A Wafer Type Damper Valve is a quarter-turn valve primarily used for regulating or isolating the flow of air or gas in pipelines and ducts. Unlike liquid control valves that need tight shut-off, damper valves are designed for controlled resistance and isolation rather than bubble-tight sealing. The wafer design allows the valve body to fit between two mating flanges without adding extra face-to-face length.

The disc inside the valve rotates on a central or offset shaft. When the disc is parallel to the flow, the valve is open; when perpendicular, it restricts or stops the flow. Actuation can be manual using a lever or gear box, or automatic using electric or pneumatic actuators depending on plant automation requirements.

In Indian industries, wafer type damper valves are preferred due to their simple construction, lower cost for larger sizes, ease of maintenance, and availability in carbon steel, mild steel, and stainless steel constructions.

Design and Construction Features

The Wafer Type Damper Valve supplied by Krishna Industries is engineered to meet demanding industrial environments. Key construction features include:

Valve Body
The body is typically fabricated or cast in mild steel, carbon steel, or stainless steel depending on the application. For most Indian industrial plants such as cement, power, and steel, mild steel fabricated bodies are widely used due to strength and cost efficiency.

Disc
The disc is precision-cut and balanced to ensure smooth operation even in large diameters. Material selection depends on temperature and corrosion requirements. Mild steel discs are common, while stainless steel discs are recommended for corrosive gases or higher hygiene requirements.

Shaft
The shaft is manufactured from EN series steel or stainless steel for durability and torsional strength. Proper alignment ensures minimal vibration and long service life.

Sealing Arrangement
Damper valves generally use metal-to-metal sealing. For specific low-leakage applications, optional sealing strips or soft seals can be provided as per requirement.

Bearings and Bushes
High-quality bushes or bearings are used to reduce operating torque and ensure smooth rotation, especially important for large-size dampers.

End Connections
Wafer type design allows easy installation between standard flanges used in Indian piping systems, reducing installation time and cost.

Operating Mechanism
Available in manual lever operation, hand wheel with gear box, electric actuator, or pneumatic actuator as per plant requirement.

Applications of Wafer Type Damper Valve in Indian Industries

Wafer Type Damper Valves are extensively used across India in multiple industrial sectors. Some of the most common applications include:

Power Plants
Used in boiler air lines, flue gas ducts, and ventilation systems for flow regulation and isolation.

Cement Plants
Installed in kiln exhaust systems, raw mill ducts, and dust collection systems where high-temperature and dusty environments are common.

Steel Plants
Used in blast furnace gas lines, sinter plant ducts, and ventilation systems.

Chemical and Process Industries
Applied in gas handling systems where controlled flow is required.

HVAC Systems
Used in large commercial and industrial ventilation systems for air balancing and isolation.

Pollution Control Equipment
Essential in bag filters, ESP systems, and scrubber inlets and outlets to regulate airflow.

Sugar Mills
Used in boiler and process air systems across Indian sugar industries.

Paper and Pulp Industry
Installed in exhaust and process air lines where reliability is critical.

Advantages of Wafer Type Damper Valve

The popularity of wafer type damper valves in Indian markets is due to several practical advantages:

Compact and Space-Saving Design
The wafer construction reduces face-to-face length, ideal for installations where space is limited.

Cost-Effective for Large Sizes
Compared to fully flanged valves, wafer type dampers are more economical, especially for large diameters.

Easy Installation
Can be easily sandwiched between existing flanges without special modifications.

Low Maintenance
Simple construction results in fewer wear parts and lower maintenance costs.

Customizable
Available in various materials, sizes, and actuation options to suit specific Indian industrial needs.

Suitable for High Temperature
Metal construction makes them suitable for high-temperature air and gas applications.

Why Choose Krishna Industries as Your Supplier

Krishna Industries, Ahmedabad, Gujarat, has established itself as a reliable supplier of industrial valves and flow control products across India. The company focuses on supplying quality-assured products that meet Indian operating conditions and customer expectations.

Local Expertise
Being based in Ahmedabad, Krishna Industries understands the requirements of Indian industries, local standards, and site conditions.

Reliable Supply Chain
Strong vendor network ensures timely availability of wafer type damper valves in standard and customized specifications.

Quality Focus
Each valve is supplied with proper dimensional checks and material verification to ensure consistent performance.

Competitive Pricing
Optimized sourcing and local supply enable Krishna Industries to offer competitive prices for Indian buyers without compromising quality.

Technical Support
Assistance in valve selection, sizing, and actuation options based on application requirements.

Pan-India Supply Capability
Serving customers across Gujarat, Maharashtra, Rajasthan, Madhya Pradesh, Delhi NCR, Tamil Nadu, Karnataka, and other major industrial regions of India.

Minimum Order Quantity

The minimum order quantity for Wafer Type Damper Valve supplied by Krishna Industries is 10 units. This MOQ structure is designed to support bulk buyers such as contractors, EPC companies, industrial maintenance departments, and valve traders across India.

Specifications Overview

Typical specifications available include:

Size Range
Commonly from 100 NB to 2000 NB and above as per requirement.

Pressure Rating
Generally suitable for low-pressure air and gas applications common in Indian industries.

Temperature Range
Suitable for ambient to high-temperature applications depending on material selection.

Operation
Manual lever, gear operated, electric actuator, pneumatic actuator.

Mounting
Wafer type, suitable for standard Indian flanges.

Customization Options

Krishna Industries can arrange customized wafer type damper valves based on:

Specific size requirements
Material upgrades for corrosive environments
High-temperature designs
Automation-ready valves
Special shaft extensions for insulated ducts

Quality and Compliance

While damper valves are often application-specific, Krishna Industries ensures that supplied products meet commonly accepted industrial practices and quality norms used across Indian plants. Proper inspection and functional checks are carried out before dispatch.

Packaging and Dispatch

Valves are packed securely to prevent damage during transportation. Suitable packaging methods are used for road transport across India, ensuring safe delivery to project sites and warehouses.

Frequently Asked Questions

1. What is a wafer type damper valve mainly used for
A wafer type damper valve is mainly used for regulating or isolating air, gas, and low-pressure flow in ducts and pipelines in Indian industrial applications.

2. Is this valve suitable for liquid applications
Generally, wafer type damper valves are designed for air and gas services. For liquid flow control, butterfly valves or other valve types are more suitable.

3. What materials are commonly used for these valves
Common materials include mild steel, carbon steel, and stainless steel depending on temperature and corrosion requirements.

4. Can Krishna Industries supply large size damper valves
Yes, large size wafer type damper valves can be supplied as per project requirement for Indian industries.

5. What is the minimum order quantity
The minimum order quantity is 10 units.

6. Are actuator-operated valves available
Yes, valves can be supplied with electric or pneumatic actuators as per automation needs.

7. Where is Krishna Industries located
Krishna Industries is located in Ahmedabad, Gujarat, India.

8. Are these valves suitable for high-temperature applications
Yes, metal construction wafer type damper valves are suitable for high-temperature air and gas applications with proper material selection.

9. Can these valves be used in dust-laden environments
Yes, they are widely used in cement plants, power plants, and other dust-handling systems in India.

10. Does Krishna Industries supply across India
Yes, Krishna Industries supplies wafer type damper valves to customers across all major industrial regions in India.

Conclusion

The Wafer Type Damper Valve is an essential component for efficient flow control in Indian industrial systems dealing with air and gas. Its compact design, cost efficiency, and adaptability make it a preferred choice across sectors such as power, cement, steel, chemical, and HVAC. By choosing Krishna Industries, Ahmedabad, buyers gain access to reliable products, competitive pricing, and supplier expertise tailored specifically for Indian industrial requirements. With a minimum order quantity of 10 units and a focus on bulk supply, Krishna Industries stands as a dependable partner for wafer type damper valve needs across India.