Low Lift Safety Valve | A41Y-160/320

Description
Application
Q&A

DESCRIPTION

Low Lift Safety Valve for Industrial Pressure Protection

The A41Y Low Lift Safety Valve uses a compact lifting structure with a limited disc travel distance. This design provides controlled discharge capacity for applications that require reliable overpressure protection.

Moreover, the discharge area depends on the disc lifting position. As a result, the valve can respond according to the pressure conditions inside the protected system.

The valve is suitable for pipelines and equipment that transport compatible gases or liquids. In addition, it can provide protection for pressure vessels and heat exchangers in industrial systems.

Spring Loaded Safety Valve Operating Principle

The spring-loaded mechanism controls the opening and closing pressure of the valve. When inlet pressure reaches the preset value, the fluid force overcomes the spring force.

The disc then lifts from the seat and allows excess medium to discharge. However, once system pressure decreases, the spring pushes the disc back toward the seat.

Therefore, the valve can automatically restore a sealed condition after pressure returns to a safe level. This operating principle makes the A41Y series suitable for continuous industrial pressure protection.

A41Y-160 and A41Y-320 Safety Valve Options

GMK VALVE offers the A41Y series in A41Y-160 and A41Y-320 pressure classes. These models are available in different material configurations for various industrial service conditions.

The product range includes A41Y-160, A41Y-320, A41Y-160P, A41Y-320P, A41Y-160R, and A41Y-320R. Moreover, material selection can vary according to the valve model and application requirements.

The available nominal sizes include DN10, DN15, DN20, DN25, DN32, DN40, and DN50. Therefore, customers can select a suitable size based on pipeline requirements and system conditions.

Reliable Low Lift Safety Valve Construction

The main valve components include the flange, nozzle, body, disc, guide sleeve, spring, stem, bonnet, adjusting bolt, and cap. Each component works together to support stable pressure relief performance.

Common materials include 2Cr13, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 50CrVA, and ZG230-450. In addition, selected spring configurations use Teflon coating for improved service performance.

The seat and disc sealing surfaces can use cobalt-based Stellite deposition. Furthermore, precision machining and lapping help create smooth contact surfaces for reliable sealing.

Key Benefits of the A41Y Safety Valve

The A41Y Low Lift Safety Valve provides automatic protection against excessive system pressure. It can help reduce the risk of damage to pipelines, pressure vessels, and other industrial equipment.

The spring-loaded design allows the valve to open automatically at the preset pressure. Therefore, operators do not need to manually release pressure during an overpressure event.

The limited disc lift provides controlled discharge characteristics for suitable applications. Moreover, the compact construction supports practical installation and routine maintenance.

The valve can also support steam systems and other compatible industrial applications. In addition, it can protect equipment installed downstream of pressure-reducing devices.

Low Lift Safety Valve Applications

GMK VALVE Low Lift Safety Valve is suitable for industrial pressure protection systems. Typical applications include steam systems, pressure vessels, heat exchangers, pipelines, and process equipment.

In steam applications, the valve can help protect boilers from excessive pressure. Furthermore, it can provide additional protection when installed downstream of pressure-reducing equipment.

The valve can also support processing applications where excessive pressure may damage equipment or products. However, users should confirm the medium, temperature, pressure, and material requirements before selection.

Materials and Sealing Performance

Material selection plays an important role in the service performance of a safety valve. Therefore, GMK VALVE provides different material combinations for the A41Y series.

Carbon steel and stainless steel materials are available for different valve components. Moreover, stainless steel configurations can provide better resistance for applications with more demanding service conditions.

The sealing surfaces receive precision machining to improve contact between the seat and disc. As a result, the valve can provide reliable sealing when the system operates below the set pressure.

Dimensions and Technical Data

The A41Y-160 and A41Y-320 models are available in several nominal sizes. The dimensional configuration varies according to the pressure class, nominal diameter, and specific valve version.

The product range covers DN10 through DN50 for the listed configurations. Furthermore, connection dimensions include flange diameter, bolt-hole arrangement, face-to-face length, and overall height.

Please refer to the dimensional table for detailed values of each model. GMK VALVE can also confirm the correct dimensions according to your pipeline and installation requirements.

Quality Control by GMK VALVE

GMK VALVE focuses on dimensional accuracy, sealing performance, material requirements, and overall valve function during production. Each Low Lift Safety Valve undergoes inspection before shipment.

Moreover, precision machining helps maintain consistent sealing surfaces and component dimensions. Our production process aims to provide reliable safety valve performance for demanding industrial applications.

GMK VALVE supplies industrial valve solutions for customers who require dependable pressure protection. Contact us to confirm the suitable A41Y model, material, size, and pressure class for your application.

Q&A

Can we order goods from you directly?

Yes, we look forward to receiving your order. However, please note our minimum purchase quantity. If you require smaller quantities we will be happy to arrange an individual delivery. We would be delighted to assist you.

Can I get a discount?

This depends on the specific situation, you can call directly to consult.