---
product_id: 17764961
title: "Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread"
brand: "griftan"
price: "€ 118.22"
currency: EUR
in_stock: true
url: https://www.desertcart.fr/products/17764961-acetylene-cylinder-regulator-protector-safety-cap-3-1-2-x
store_origin: FR
region: France
---

# Fine 3-1/2" thread fit Lightweight 3.45 lbs Meets DOT, OSHA & MSHA safety Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread

**Brand:** griftan
**Price:** € 118.22
**Availability:** ✅ In Stock

## Summary

> 🛡️ Lock in safety, unlock peace of mind.

## Quick Answers

- **What is this?** Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread by griftan
- **How much does it cost?** € 118.22 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/17764961-acetylene-cylinder-regulator-protector-safety-cap-3-1-2-x)

## Best For

- griftan enthusiasts

## Why This Product

- Trusted griftan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Yet Lightweight:** At just 3.45 lbs, it’s engineered for easy handling without compromising durability.
- • **Precision Fine Thread Fit:** Securely locks onto 3-1/2" collars for a flawless seal every time.
- • **Transport-Ready Protection:** Designed to safeguard valves during transit, minimizing risk and downtime.
- • **Certified Safety Compliance:** Built to exceed DOT, OSHA, and MSHA standards—because your peace of mind matters.
- • **Compact Design, Maximum Safety:** Streamlined 6 x 1 x 1 inch profile fits seamlessly into any professional workspace.

## Overview

The Griftan Acetylene Cylinder Regulator Protector Safety Cap features a precise 3-1/2" fine thread fit, ensuring secure valve protection during transport and use. Weighing only 3.45 pounds and measuring 6 x 1 x 1 inches, it meets rigorous DOT, OSHA, and MSHA safety standards, making it an essential upgrade for any professional managing high-pressure acetylene cylinders.

## Description

Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread

## Features

- Fine thread 3-1/2" X 11TP 1 X 6-7/8"
- Griftan safety cap can be used for transportation with the valve closed.
- Fits 3-1/2 Inch Collar
- Makes work areas safer where high pressure cylinders are used
- Meets DOT, OSHA and MSHA requirements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Griftan |
| Part Number | AC-12 |
| Item Weight | 3.45 pounds |
| Product Dimensions | 6 x 1 x 1 inches |
| Is Discontinued By Manufacturer | No |
| Size | 3-1/2 in. |
| Installation Method | gas-welding |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread - Image 1](https://m.media-amazon.com/images/I/51o1Lk7hHJL.jpg)
![Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread - Image 2](https://m.media-amazon.com/images/I/61AFp3Bu-QL.jpg)
![Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread - Image 3](https://m.media-amazon.com/images/I/51JlOf-0z1L.jpg)
![Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread - Image 4](https://m.media-amazon.com/images/I/81TOdSaeLbL.jpg)
![Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread - Image 5](https://m.media-amazon.com/images/I/81TOdSaeLbL.jpg)

## Questions & Answers

**Q: Can these be used on other types of gases such as nitrogen**
A: Check with you gas supply to see what threads they use on the gas bottles there are several types

**Q: Will this work on a Type B Acetylene cylinder?**
A: No, the collar on the cap is too large. B cylinders are exempt from requiring a cap and most do not have threads.Hope this helps. Ram Welding Supply 1-800-374-9353

**Q: Is this style osha approved?**
A: It is D.O.T approved, not sure about OSHA.

## Frequently Bought Together

- Acetylene Cylinder Regulator Protector Safety Cap 3-1/2 x 12, Fine Thread
- Griftan Gas Cylinder Regulator Protector Safety Cap Fine Thread 3-1/8 x 11
- Western Enterprises#QDB10, QUICK CONNECT SET FOR TORCHES

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**Shop now:** [https://www.desertcart.fr/products/17764961-acetylene-cylinder-regulator-protector-safety-cap-3-1-2-x](https://www.desertcart.fr/products/17764961-acetylene-cylinder-regulator-protector-safety-cap-3-1-2-x)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-02*