---
title: "BOC Inert Regulator Multi Stage 4 Bar"
id: "20425"
type: "product"
slug: "boc-inert-regulator-multi-stage-4-bar"
published_at: "2025-10-06T12:47:44+00:00"
modified_at: "2025-10-31T15:56:41+00:00"
url: "https://sglonline.co.uk/product/boc-inert-regulator-multi-stage-4-bar/"
markdown_url: "https://sglonline.co.uk/product/boc-inert-regulator-multi-stage-4-bar.md"
excerpt: "The BOC Series 8500 Multi-Stage Inert Gas Regulator (4 bar) is a high-precision regulator engineered for laboratory and industrial applications requiring stable, low-pressure delivery of inert gases. Ideal for system purging, gas blanketing, nitrogenation, and scientific processes such as X-ray..."
taxonomy_product_brand:
  - "BOC"
taxonomy_product_type:
  - "simple"
taxonomy_product_cat:
  - "Argon Regulators"
  - "Nitrogen Regulators"
---

[https://sglonline.co.uk/wp-content/uploads/2025/10/BOC-Series-Nitrogen-or-Argon-Regulator.jpg](https://sglonline.co.uk/wp-content/uploads/2025/10/BOC-Series-Nitrogen-or-Argon-Regulator.jpg)

[Argon Regulators](https://sglonline.co.uk/product-category/gas-equipment/gas-regulators/argon-regulators/)

# BOC Inert Regulator Multi Stage 4 Bar

Earn 220 points with this purchase

£220.00£264.00 Exc VATInc VAT

Collection or Next Day Delivery Available. Dispatches in:

SKU: 86760Categories: [Argon Regulators](https://sglonline.co.uk/product-category/gas-equipment/gas-regulators/argon-regulators/)
, [Nitrogen Regulators](https://sglonline.co.uk/product-category/gas-equipment/gas-regulators/nitrogen-regulators/)
Brand: [BOC](https://sglonline.co.uk/brand/boc/)

- [Description](#tab-description)
- [Reviews (0)](#tab-reviews)

The BOC Series 8500 Multi-Stage Inert Gas Regulator (4 bar) is a high-precision regulator engineered for laboratory and industrial applications requiring stable, low-pressure delivery of inert gases. Ideal for system purging, gas blanketing, nitrogenation, and scientific processes such as X-ray crystallography refrigeration, this regulator offers exceptional control and reliability.

Key Features:

Multi-stage design ensures stable, accurate outlet pressure — even as cylinder pressure drops

Outlet pressure: Up to 4 bar

Optimised for inert gases such as nitrogen and argon

Stamped replacement date for safety and compliance tracking

Precision regulation for sensitive laboratory and analytical tasks

Applications:

Laboratory gas blanketing and system purging

Nitrogenation in scientific and industrial processes

X-ray crystallography refrigeration systems

Low-pressure inert gas delivery where precision is critical

Specifications:  
 Property Details  
 Gas Type Inert (e.g. Nitrogen, Argon)  
 Outlet Pressure Up to 4 bar  
 Inlet Connection 5/8″ BSP RH (BS341 No.3)  
 Outlet Connection 3/8″ BSP RH  
 Regulator Type Multi-stage  
 Gauges Standard BS EN ISO 5171  
 Replacement Date Stamped on regulator

This regulator is the ideal choice for environments where low, stable pressure and inert gas purity are essential.

## Reviews

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