Explosion-Proof Reducing Nipple (Male-Male), BGJ-C Series

Our BGJ-C Explosion-Proof Reducing Nipple safely connects two different-sized female-threaded entries in hazardous areas. This Ex d/e certified fitting ensures the integrity of your piping system.


Technical Parameter


  • Product Type: Explosion-Proof Reducing Nipple / Male-to-Male Adapter
  • Model: BGJ-C
  • Body Material: Nickel-Plated Brass / Stainless Steel
  • Male Thread 1: M / G / NPT (Please specify size)
  • Male Thread 2: M / G / NPT (Please specify size)
  • Explosion-Proof Class: Ex db IIC Gb; Ex eb IIC Gb; Ex tb IIIC Db
  • Ingress Protection: IP65
  • Operating Temperature: -40°C to +100°C (Please Confirm)
  • Suitable Zones: Gas: Zone 1 & 2; Dust: Zone 20, 21, & 22
  • Gas Groups: IIA, IIB, IIC

Key Features

  • Male-to-Male Thread Conversion: Features two external (male) threads of different sizes to securely connect two female-threaded entries, acting as a reducer, enlarger, or straight nipple.
  • Dual Ex d/e Certified Protection: Certified Flameproof (Ex db) and Increased Safety (Ex eb), ensuring it maintains system integrity in Zone 1, 2 (Gas) and Zone 20, 21, 22 (Dust) hazardous locations.
  • Premium Material Options: Available in robust Nickel-Plated Brass or corrosion-resistant Stainless Steel to withstand harsh industrial environments.
  • Customizable Thread Length: Extended thread length can be provided upon request to suit specific installation requirements.
  • Broad Gas Group Compatibility: Suitable for use in IIA, IIB, and the most severe IIC explosive gas environments.
  • Simplifies Complex Installations: Eliminates the need for multiple, non-certified fittings, providing a single, safe, and certified solution for joining different-sized conduit entries.

Ordering Information

  • The standard product features G (BSP) threads of the same size on both ends (e.g., G1/2″ male to G1/2″ male).
  • Metric, NPT, and other thread types and sizes can be customized as required. Extended thread length is also available.
  • Example 1 (Straight Nipple): To order a stainless steel nipple with G1/2″ male threads on both ends, the model is: BGJC-S-(G1/2).
  • Example 2 (Reducer): To order a stainless steel reducer with a G1/2″ male thread on one end and an M20x1.5 male thread on the other, the model is: BGJC-S(G1/2 M20x1.5).

Explosion-Proof Reducing Nipple (Male-Male), BGJ-C Series

Metric ThreadProduct NumberThread Length

GL(mm)

Thread O.D.

AG(mm)

Overall Length

OL(mm)

Spanner Size(mm)
M16×1.5BGJCM1615163420
M20×1.5BGJCM2015203424
M25×1.5BGJCM2515253430
M32×1.5BGJCM3217323938
M40×1.5BGJCM4017403945
M50×1.5BGJCM5020504655
M63×1.5BGJCM6320634668
M75×2.0BGJCM7520754780
M90×2.0BGJCM9020904798
M115×2.0BGJCM1152011548120
American ThreadProduct NumberThread Length

GL(mm)

Thread O.D.

AG(mm)

Overall Length

OL(mm)

Spanner Size(mm)
NPT3/8BGJCNPT3/81517.053420
NPT1/2BGJCNPT1/21521.223424
NPT3/4BGJCNPT3/41526.563430
NPT1BGJCNPT11733.283938
NPT1-1/4BGJCNPT1-1/41741.983945
NPT1-1/2BGJCNPT1-1/22048.054655
NPT2BGJCNPT22060.094668
NPT2-1/2BGJCNPT2-1/22072.694780
NPT3BGJCNPT32088.604798
NPT4BGJCNPT420113.9748120
Inch ThreadProduct NumberThread Length

GL(mm)

Thread O.D.

AG(mm)

Overall Length

OL(mm)

Spanner Size(mm)
G3/8BGJCG3/81516.663420
G1/2BGJCG1/21520.953424
G3/4BGJCG3/41526.443430
G1BGJCG11733.253938
G1-1/4BGJCG1-1/41741.913945
G1-1/2BGJCG1-1/22047.804655
G2BGJCG22059.614668
G2-1/2BGJCG2-1/22075.184780
G3BGJCG32087.884798
G4BGJCG420113.0348120
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