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Home>Fittings>Hazardous Location>Thread Reducers
M25 to M20 Thread Reducer: 316 Stainless Steel (ATEX)
Part Number R1.25.20.S.NT
M25 to M20 Thread Reducer: 316 Stainless Steel (ATEX)
M25 x 1.5 (male) to M20 x 1.5 (female) Thread Reducer: 316 Stainless Steel
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Price
Your Price:
$20.63
Quantity
Description
ATEX Certified Explosion Proof Thread Reducer

Reducers are used where the thread size of the cable gland or entry device is smaller than the entry thread of the enclosure.  Ex approval maintains hazardous location certification and the overall integrity of the installation.

This Reducer will convert holes which fit size M25 x 1.5 male threads to a female M20 x 1.5 threaded hub.  Comes standard with a Nitrile O-Ring.

Designed for use within the hazardous locations present in oil, gas and petrochemical installations.  T
hey are also commonly used in Industrial & Commercial applications in place of standard industrial grade adapters providing a quick and easy solution when connecting to international components or machinery.

Proudly made in the USA!

Dimensional Chart:

Thread Sizes

Dimensions in Inches (mm)

Male
Thread

Female
Thread

A

B

C

A/F
Male
Thread
Length
Female
Thread
Depth
Body
Length
Hexagon
(Across Flats)

M25 x 1.5

M20 x 1.5

.63 (16)

.67 (17)

.236 (6)
1.25 (31.8)

Product Approvals & Specifications:

  • ATEX/IEC: Exd IIC Gb & Exe IIC Gb & Ex tb IIIC Db IP6X
    • IEC/EN 60079-0, IEC/EN 60079-1, IEC/EN 60079-7, IEC/EN 60079-7
    • ATEX/94/9/EC

  • NEC/CEC: Class I, Division 1 Groups ABCD
    • (>M50 Groups CD only)
    • UL1203, UL514B, UL50
    • C22.2 Nos. 30, 0.5, 0-M, 45, 18.3-04, 94-M91
  • AExd IIC / AExe II Class I, Zone 1
    • UL2279, UL60079-0, UL60079-1, UL60079-7, UL60079-1-1
    • E60079-0, E60079-1, E60079-7, E60079-1-1

  • Thread Gauging
    • Metric: 1.5mm Pitch Medium Fit 6g/H
    • (Sizes M80 and larger are 2.0mm pitch as Standard)
    • NPT: Male L1 +/-1 Turn
    • Female L1+ 1/2 to + 2 Turns
    • Other Thread Forms Available on Application

  • Material Options
    • Nickel Plated Brass 'N' (-100 to + 150C)
    • 316 Stainless Steel 'S' (-100 to +850C)

  • O-Ring Options
    • Nitrile (-30 to +90C)
    • Silicone (-50 to +230C)
    • Nitrile O-Ring supplied as standard on versions with parallel male threads

  • Ingress Protection
    • With O-Ring IP 66 68, NEMA 4 (316 Stainless 4X)
    • With Thread Sealant (Non-Hardening) IP 66 68, NEMA 4 (316 Stainless 4X)
    • Without O Ring or Thread Sealant IP54

  • Impact Resistance: 7Nm

  • Clearance Holes: Reducer is certified for Exe clearance hole applications, Type 'L1' locknuts are required to secure the installation.

Competitor Cross Reference:

Redapt P/N:  RD-U-3-0-05-04

Looking for a different size or material?  Other Ex fittings?
Please check out our line of
Explosion Proof Fittings or call (888) 835-0868

Made in USA Logo






  • SAME DAY SHIPPING IF ORDERED BY 1PM CST.
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