---
title: "Grooved Pipe Coupling Manufacturers"  
description: "National Fittings manufactures a complete range of Ductile Iron Grooved Couplings and Fittings, Threaded Fittings, Stainless Steel Threaded Fittings,"  
author: "National Fittings Limited"  
published: 2019-11-22  
updated: 2019-11-25  
canonical: https://www.mindstick.com/articles/269696/grooved-pipe-coupling-manufacturers  
category: "manufacturing business"  
tags: ["manufacturing"]  
reading_time: 1 minute  

---

# Grooved Pipe Coupling Manufacturers

National offers Ball Valves with innovative [features](https://yourviews.mindstick.com/view/85941/iphone-15-features-launch-date-and-is-it-worth-buying) and a [reliable](https://www.mindstick.com/articles/23195/find-online-help-support-for-netgear-routers-extenders-from-reliable-tech-support-company) [production](https://answers.mindstick.com/qa/49180/what-year-was-steel-production-invented-and-how) [engineering](https://answers.mindstick.com/qa/44000/what-are-the-various-courses-offered-by-faculty-of-technology-and-engineering-vadodara) to meet he demanding [requirements](https://answers.mindstick.com/qa/49891/what-are-the-system-requirements-for-mac-os-x-10-3) of the intended applications. All wetted parts are produced from [investment](https://www.mindstick.com/articles/157040/6-investments-to-make-to-improve-your-customer-service) castings thru in house lost wax process foundry. All valves are tested under pressure.

![Grooved Pipe Coupling Manufacturers](https://www.mindstick.com/mindstickarticle/79c30fa0-f589-4032-bdf9-cccdb058b411/images/78b167fa-0370-4231-941d-055774320cf5.jpeg)

## Product Features

- Broader Range
- Quarter turn for ease of [operation](https://answers.mindstick.com/qa/97910/what-is-the-aim-of-operation-namaste) with the handle indicating valve position.
- Double spring washers to compensate for normal wear and [temperature](https://answers.mindstick.com/qa/50763/what-to-do-when-iphone-7-is-showing-temperature-iphone-needs-to-cool-down-error-other-issues) variations on stem sealing.
- Compact-design
- Safe blow-out proof stem
- Smooth two-way flows
- Floating ball designed to seal on the down stream side against a [resilient](https://answers.mindstick.com/qa/39691/which-state-recently-signed-loan-agreement-of-usd-318-million-with-world-bank-for-support-in-the-climate-resilient-agriculture-technologies) seat
- Wiping action of the seat design cleans foreign material off seat and ball and assures leak tight sealing
- Relief slots in the ball seats lowers operating torque and reduces wear for longer life
- Valves can be offered in 304 Stainless, Hastelloy B&C, Alloy 20 and Monel(Alloy 400)
- Socket weld ends will have low carbon [materials](https://www.mindstick.com/blog/301857/how-materials-work-in-space-to-make-them-better-on-earth)

For enquiries: http://www.nationalfitting.com/contact-us/

---

Original Source: https://www.mindstick.com/articles/269696/grooved-pipe-coupling-manufacturers

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