Reducers NPT to Metric | 3/8″ to 3″ | M16 to M100 Ex d, Ex e, Ex t

Product features

Used to have smaller size or bigger size for already drilled holes

Majority of metric and NPT threads are available

Applicable for Zones 1/21 and 2/22

Variety of sizes M16 to M100

Reductions: Metric to metric, metric to NPT, NPT to NPT and NPT to metric

Thread sizes: metric M16 to M100, NPT 3/8″ to 4″

Atex Ex symbol

IECEx Ex symbol

IP68 Ex symbol

IP68 Ex symbol

IP66 Ex symbol

This product is currently out of stock and unavailable.

SKU: N/A Categories: ,

Description

About Reducer

HARDO thread reducers are used to reduce or/and change entry thread sizes or types when mounted to an enclosure or other device.

HARDO Reducer

HRD series of  reducers can be used in Zones 1/21 and 2/22 and are made according to IEC standards. All HRD series reducers are ATEX and IECEx certified. They offer Ex e, Ex d, Ex t protection types as well as IP 66/68 rating. HARDO HRD reducers can be made of brass or stainless steel AISI 316L and are available with both metric and NPT threads sizes M16 to M100 and 3/8” and 4”.

Our Vision

ATEXBOX is more than just a store – it’s safety and reliability in explosion-hazardous environments. We specialize in providing high-quality control boxes, junction boxes, lighting, and cable glands compliant with ATEX standards. Our goal is to provide companies and professionals with reliable solutions for working in the most demanding conditions.

© 2025 ATEXBOX. All rights reserved.