Swing Type NRV – Check Valve Screwed End

Swing Type NRV – Check Valve Screwed End

Swing type Nrv – Check Valve Screwed End is a full-bore non-return valve designed to allow flow in the intended direction and help prevent reverse flow in compatible piping systems. The product source specifies precision investment-cast construction, metal-to-metal seating and female screwed-end connections, with an optional soft seat available on request.

Allarakhu & Sons in Surat, Gujarat, welcomes enquiries from industrial buyers looking for screwed-end check valves. Confirm the required size, thread standard, material, operating pressure and temperature before placing an order.

Product Overview

The Swing type Nrv – Check Valve Screwed End is designed for installations where a compact threaded connection and automatic non-return operation are required. Unlike a manually operated isolation valve, a non-return valve responds to the direction of fluid flow and is intended to help limit backflow.

The product source lists a full-bore design and a size range of ½ inch to 2 inches (DN15 to DN50). The standard seating arrangement is metal-to-metal, while a soft-seat option is available on request. Female screwed ends are specified, with socket-weld ends listed as an optional connection.

The stated working pressure is 200 WOG, and the stated working-temperature range is −10°C to 100°C. Buyers should verify the exact material, pressure-temperature limits and connection details for the selected configuration.

Product Short Description

Swing type Nrv – Check Valve Screwed End is a full-bore non-return valve featuring precision investment-cast construction, metal-to-metal seating and female screwed ends. Available in ½ inch to 2 inches (DN15–DN50), with an optional soft seat and socket-weld connection. Listed working pressure: 200 WOG; working temperature: −10°C to 100°C. Confirm specifications and availability with Allarakhu & Sons.

Detailed Product Description

The Swing type Nrv – Check Valve Screwed End is an industrial non-return valve intended to help prevent reverse flow in compatible pipeline systems. Its swing-type mechanism allows the internal closing element to respond to forward flow and return towards the seat when flow reduces or reverses. Actual closing performance depends on system conditions and the selected valve configuration.

The product source specifies precision investment-cast construction and a full-bore design. Its metal-to-metal seat is the listed standard arrangement, while a soft seat is available on request. Buyers requiring a particular sealing performance should confirm the seat material, leakage criteria and suitability for the intended fluid.

The valve is listed in sizes from ½ inch to 2 inches, corresponding to DN15–DN50. Female screwed ends are specified, with thread options referencing BS 21, BSP, BSPT, NPT, DIN 259/2999, ISO 228 and ISO 7/1. Socket-weld ends are also listed as an optional connection. The exact thread standard must be confirmed before installation because different thread forms are not automatically interchangeable.

The source states a working pressure of 200 WOG and a working-temperature range of −10°C to 100°C. These ratings must be checked against the actual medium, temperature, pressure and material configuration. The available information does not establish the precise body material or a universal pressure rating for every service condition.

For industrial procurement, the key selection factors include nominal size, thread compatibility, flow direction, working pressure, operating temperature, fluid compatibility and the required seat arrangement. Allarakhu & Sons can be contacted to discuss the required configuration and request a quotation.

Key Features

• Swing-type non-return valve design.

• Full-bore construction as listed by the source.

• Precision investment-cast construction.

• Metal-to-metal seat.

• Optional soft seat available on request.

• Listed size range of ½ inch to 2 inches (DN15–DN50).

• Female screwed-end connections.

• Socket-weld connection listed as an option.

• Thread standards include BSP, BSPT, NPT and other listed references.

• Stated working pressure: 200 WOG.

• Stated working-temperature range: −10°C to 100°C.

• Designed for one-way flow and backflow prevention in compatible systems.

Technical Specifications

Technical note: The source lists the working pressure as 200 WOG. Confirm the applicable pressure-temperature rating and the meaning of the rating for the specific product configuration before using the valve in a critical or high-pressure service.

Size Range

The listed size range is:

• ½ inch (DN15)

• Sizes within the ½ inch to 2 inch range, subject to availability

• 2 inches (DN50)

The exact intermediate sizes and their availability should be confirmed when requesting a quotation. Match the nominal valve size to the piping design and verify the thread dimensions before ordering.

Connection Options

The source lists the following connection information:

• Female screwed ends as the standard connection.

• Socket-weld ends as an optional connection.

• Thread references to BS 21, BSP, BSPT, NPT, DIN 259/2999, ISO 228 and ISO 7/1.

Specify the required thread standard when ordering. BSP, BSPT and NPT connections can differ in geometry and sealing method, so compatibility should be verified rather than assumed.

Design and Construction

Swing-Type Non-Return Mechanism

The swing-type design uses a movable closing element that responds to the direction of flow. The valve is intended to help prevent reverse flow when installed in a compatible system. Confirm the required installation orientation with the supplier.

Full-Bore Design

The product source identifies a full-bore design. Confirm the dimensional details and expected flow characteristics for the selected size and application.

Seating Arrangement

Metal-to-metal seating is specified as the standard option. A soft seat is available on request. The suitable seat type depends on the fluid, temperature, sealing requirements and operating conditions.

Precision Investment Casting

The source describes the valve as precision investment cast. The exact body and internal-component materials are not specified in the available product information and should be confirmed before ordering.

Pressure and Temperature Information

The source lists these operating figures:

• Working pressure: 200 WOG

• Working temperature: −10°C to 100°C

Do not assume these figures apply to every fluid, temperature, connection or material configuration. Request confirmation of the allowable working pressure at the intended operating temperature.

For critical services, also confirm the applicable inspection and testing requirements, material documentation, seat arrangement and installation limitations.

Applications

The valve’s stated purpose is non-return operation. Potential applications should be evaluated according to the selected material, pressure-temperature rating, seat type and process-medium compatibility.

Before specifying this valve for water, oil, gas, air or any other medium, confirm that the particular model is approved and suitable for that service. The source does not provide a verified application list for every fluid or operating condition.

Product Selection Guide

Before ordering a Swing type Nrv – Check Valve Screwed End, consider the following:

• Nominal size: Match the valve size to the piping system.

• Connection: Confirm female screwed ends or the optional socket-weld connection.

• Thread standard: Specify BSP, BSPT, NPT or the exact required standard.

• Working pressure: Verify the 200 WOG listing against the system’s operating conditions.

• Temperature: Confirm suitability within the listed −10°C to 100°C range.

• Seat type: Choose metal-to-metal or enquire about the optional soft seat.

• Material: Confirm the exact body and internal-component materials.

• Installation: Check the required flow direction and mounting orientation.

• Documentation: Request technical data and applicable test documentation where needed.

Industrial Buyer Guide

Industrial buyers, maintenance teams and procurement departments can speed up the quotation process by sharing the required technical details.

Include the following information in your enquiry:

• Required nominal size.

• Preferred connection and thread standard.

• Process medium.

• Normal and maximum working pressure.

• Minimum and maximum operating temperature.

• Required seat arrangement.

• Quantity required.

• Project location and delivery requirements.

• Any inspection or documentation requirements.

This information helps establish whether the requested valve configuration is suitable for the intended installation.

Swing Type NRV Check Valve Supplier in Surat

Allarakhu & Sons is based in Surat, Gujarat, and accepts enquiries for industrial products and piping requirements. Buyers looking for a Swing type Nrv – Check Valve Screwed End can contact the company to discuss the required specifications, availability and quotation.

When enquiring, share the valve size, thread standard, working conditions and quantity. Confirm the final product configuration, price and delivery arrangements directly before placing an order.

Industrial Enquiries Across GIDC Areas

Industrial buyers can enquire about their requirements for projects and maintenance operations in:

• Surat GIDC

• Sachin GIDC

• Pandesara

• Udhna

• Hazira

• Palsana

• Kadodara

• Ankleshwar GIDC

• Bharuch GIDC

• Vapi GIDC

Mention the project location and required quantity when requesting a quotation. Stock availability and delivery arrangements should be confirmed with Allarakhu & Sons.

India-Wide Product Enquiries

Allarakhu & Sons welcomes enquiries from industrial buyers in Surat, Delhi, Mumbai, Bengaluru, Pune, Hyderabad, Ahmedabad, Jaipur, Chennai, Chandigarh, Lucknow, Goa, Indore, Nagpur, Dehradun, Kochi, Shimla, Srinagar, Noida, Gurugram and other locations across India.

For a more accurate quotation, provide the required valve size, thread connection, operating conditions, quantity and delivery destination. Availability and shipping timelines must be confirmed before placing an order.

Frequently Asked Questions

What is a Swing Type NRV Check Valve Screwed End?

It is a non-return valve designed to allow flow in the intended direction and help prevent reverse flow. This model is specified with female screwed-end connections.

What sizes are available?

The source lists a size range of ½ inch to 2 inches, corresponding to DN15–DN50. Confirm the exact size availability with the supplier.

What is the working-pressure rating?

The source lists a working pressure of 200 WOG. Confirm the applicable pressure-temperature rating for the selected valve and intended service.

What is the operating-temperature range?

The source lists a working-temperature range of −10°C to 100°C. Verify suitability for the intended medium and operating conditions.

What seat options are listed?

Metal-to-metal seating is specified as standard. A soft seat is available on request, subject to confirmation.

Which thread standards are listed?

The source references BS 21, BSP, BSPT, NPT, DIN 259/2999, ISO 228 and ISO 7/1. Confirm the exact thread standard required for the installation.

Is a socket-weld connection available?

Socket-weld ends are listed as an optional connection. Confirm availability for the required size and configuration.

How do I request a quotation from Allarakhu & Sons?

Contact Allarakhu & Sons by phone, through the contact page or via WhatsApp. Share the required size, thread standard, operating conditions and quantity to help the team review your enquiry.

B2B Enquiry and Quotation

For pricing and technical confirmation, contact Allarakhu & Sons with your valve specifications.

Company: Allarakhu & Sons Phone: +91 98251 78797 / +91 84011 31000 Address: A-3, 7/4720, Badri Mansion, Lal Darwaja Station Road, Surat – 395003, Gujarat, India

• Contact page: https://allarakhuandsons.in/contact-us/

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