---
title: "Royal Purple Barrier Fluid FDA 22 Food-Grade Mechanical Seal Barrier Fluid 55 GAL/Drum"
canonical: "https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-fda-22-food-grade-mechanical-seal-barrier-fluid-55-gal-drum"
lang: "en"
type: "product"
publisher: "ShangHai F&L Petrochemical Co.,Ltd."
pricing: "not-published"
brand: "ROYAL PURPLE"
sku: "Barrier Fluid FDA 22 (55 gal)"
mpn: "Barrier Fluid FDA 22 (55 gal)"
alternate: "https://www.fl-sz.cn/zh/products/royal-purple-barrier-fluid-fda-22-food-grade-mechanical-seal-barrier-fluid-55-gal-drum.md"
---

# Royal Purple Barrier Fluid FDA 22 Food-Grade Mechanical Seal Barrier Fluid 55 GAL/Drum

> Source (canonical): https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-fda-22-food-grade-mechanical-seal-barrier-fluid-55-gal-drum
> Published by: ShangHai F&L Petrochemical Co.,Ltd. — specialty lubricant and industrial chemical distributor
> Product data sheet. F&L is a distributor; prices are quoted in writing and are not published on this site.
> Language: English · Also available in Chinese: https://www.fl-sz.cn/zh/products/royal-purple-barrier-fluid-fda-22-food-grade-mechanical-seal-barrier-fluid-55-gal-drum.md

| Field | Value |
|---|---|
| Brand | ROYAL PURPLE |
| Part number | Barrier Fluid FDA 22 (55 gal) |
| Manufacturer model | Barrier Fluid FDA 22 (55 gal) |
| Product family | Lubricating Oils |
| Applications | Food & Beverage; Pharmaceutical & Personal Care |

## Description

Royal Purple Barrier Fluid FDA 22 is a food-grade, pure, non-reactive synthetic mechanical seal barrier fluid with an ISO VG 22 viscosity grade and a kinematic viscosity of 5.2 cSt at 40°C. It is water-white and provides excellent heat transfer, low-temperature fluidity, and thermal stability, with very low water content and compatibility with various elastomers. It is suitable for tandem and double mechanical seals, providing lubrication and cooling for pumps, mixers, and related equipment.

## Features

-

Pure, non-reactive synthetic barrier fluid

-

Designed for dual, double and tandem mechanical seals

-

Excellent low-temperature fluidity and heat-transfer properties

-

Good thermal stability for stable mechanical seal operation

-

Undyed formulation with a water-white appearance

-

Compatible with a wide range of elastomers and selected fluids

## Specifications

| Property | Value |
|---|---|
| Physical state | Liquid |
| Color | Clear |
| Odor | Characteristic |
| Melting point | -73℃ (-99.4℉) |
| Boiling point | 297.22℃ (567℉) |

## Pack sizes

| Pack size | Type | MOQ | Availability |
|---|---|---|---|
| 55 GAL | Drum |  | On request |

## Other items from this brand

- [Royal Purple Barrier Fluid FDA 910 Food-Grade Mechanical Seal Barrier Fluid 5 GAL/Pail](https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-fda-910-high-viscosity-food-grade-mechanical-seal-barrier-fluid-5-gal-pail)
- [Royal Purple Barrier Fluid FDA 910 Food-Grade Mechanical Seal Barrier Fluid 55 GAL/Drum](https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-fda-910-food-grade-mechanical-seal-barrier-fluid-55-gal-drum)
- [Royal Purple Barrier Fluid GT 22 Synthetic Mechanical Seal Barrier Fluid 5 GAL/Pail](https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-gt-22-synthetic-mechanical-seal-barrier-fluid-5-gal-pail)
- [Royal Purple Barrier Fluid GT 22 Synthetic Mechanical Seal Barrier Fluid 55 GAL/Drum](https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-gt-22-synthetic-mechanical-seal-barrier-fluid-55-gal-drum)
- [Royal Purple Synfilm GT 68 Industrial Turbine Lubricating Oil ISO VG 68 5 GAL/Drum](https://www.fl-sz.cn/en/products/royal-purple-synfilm-gt-68-industrial-turbine-lubricating-oil-iso-vg-68-5-gal-drum)
- [Royal Purple Synfilm GT 220 Gear and Compressor Lubricating Oil 5 GAL/Drum](https://www.fl-sz.cn/en/products/royal-purple-synfilm-gt-220-gear-and-compressor-lubricating-oil-5-gal-drum)
- [Royal Purple Synfilm GT 320 Heavy-Duty Bearing and Compressor Oil 5 GAL/Drum](https://www.fl-sz.cn/en/products/royal-purple-synfilm-gt-320-heavy-duty-bearing-and-compressor-oil-5-gal-drum)
- [Royal Purple Barrier Fluid FDA 22 Food-Grade Mechanical Seal Barrier Fluid 5 GAL/Pail](https://www.fl-sz.cn/en/products/royal-purple-barrier-fluid-fda-22-water-white-food-grade-mechanical-seal-barrier-fluid-5-gal-pail)

## Enquiries and technical support

Send the operating conditions — temperature, speed, load, and whether there is food or pharmaceutical contact. An engineer replies with a selection proposal and a written quotation within one business day.

- Enquiry form: https://www.fl-sz.cn/en/contact
- Email: info@fl-sh.com
- Phone: +86-400-879-3341