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Female Bspp X Female Npt

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Description & Features

This straight Adaptall fitting connects female BSPP and female NPT threads. It features a 1-1/4" female BSPP side with G 1-1/4 - 11 callout and a 1-1/4" female NPT side with 1-1/4 - 11.5 NPTF callout.

Constructed of durable steel, this Female Bspp X Female Npt adapter has a width of 51mm and a length of 55.9mm.

SKU: 9044-20-20

Supplier Part Number (MPN): 9044-20-20

Specifications

Brand
adapt-all
Connection Size 1
1-1/4 in
Connection Size 2
1-1/4 in
Connection Type
Female BSP, FNPT
Connection Type 1
Female BSPP
Connection Type 2
Female NPT
Dimension Standards
ANSI B1.20.3, BS 5200, ISO 1179, ISO 8434-6
Dimensions
56 mm L
Finish
Zinc-Plated
Fitting Type
Adapter
Material
Steel
Material Construction
Carbon Steel
Series
9044 Series
Thread Size
1-1/4-11-1/2 x 1-1/4-11

Product Questions & Answers (2)

Question by: Billy J on Oct 27, 2025, 3:02 PM
trying to tie a british G 1-1/4 - 11 port into a 1-1/4 NPT line, is this the right adapter?
Answer by: Customer Support on Oct 28, 2025, 5:56 PM
For that situation, this fitting is a straight female to female adapter with one side threaded G 1-1/4 - 11 (female BSPP) and the other side threaded 1-1/4 - 11.5 NPTF (female NPT).
Question by: Rex P on Jul 8, 2025, 8:07 PM
Got a British-spec pump with female BSPP ports and need to tie it into an NPT system over here. This straight adapter gonna work for that kind of crossover hookup?
Answer by: Customer Support on Jul 10, 2025, 12:26 PM
Connecting a BSPP-ported component into an NPT hydraulic connections run is exactly the kind of job this fitting handles. One side is 1-1/4" female BSPP with a G 1-1/4 - 11 thread spec, and the other is 1-1/4" female NPT running 1-1/4 - 11.5 NPTF. Both sides are the same nominal size, so you're not dealing with any reduction. The straight configuration keeps the connection in line without any offset. Steel construction means it'll hold up in a working hydraulic environment without issue.

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