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Steel 4-Bolt Flange Adapter, 1.25 Inch Code 61 Flange, O-Ring Half To 1.25 Inch Female NPT, Straight with Counterbore

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Description & Features

The Steel 4-Bolt Flange Adapter 1.25 Inch Code 61 Flange O-Ring Half To 1.25 Inch Female NPT Straight with Counterbore by Anchor Fluid Power offers reliable performance for industrial applications. This adapter includes mounting bolts lock washers and a Buna-N O-Ring for secure installations. The 1.25 inch pad size and 1.25 inch pipe size ensure compatibility with various setups. Designed to meet the demands of industry professionals this flange adapter features a 1-1/4-11-1/2 thread. This robust and durable adapter is ideal for heavy-duty use providing a secure connection for your systems. The straight design with counterbore facilitates easy alignment and fitting.

Supplier Part Number: W43-20-20U

Specifications

A
2.88
B
3.12
C
1.19
D
2.31
E
1.50
Brand
Anchor Fluid Power
Brand
Anchor Fluid Power
Pack Size
1.00
UOM
EA
F
1.03
H
1.25 in
Includes
Mounting bolts, lock washers and Buna-N O-Ring
K
0.47
Pad Size
1.25
Pipe Size
1.25
Supplier Part Number
W43-20-20U
Thread 1
1-1/4-11-1/2
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1DS88, Alternate Part Number C1JD97, Alternate Part Number W43-20-20U-CB, Alternate Part Number W43-20-20U-HSC
Product Weight
1.47 lbs

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Product Questions & Answers (2)

Question by: Gary M on Apr 24, 2025, 8:32 PM
trying to swap out a flange to pipe adapter, is this one the code 61 1-1/4 flange half to 1-1/4 female npt?
Answer by: Customer Support on Apr 26, 2025, 2:58 PM
It matches a 1.25 inch Code 61 4-bolt flange O-ring half on one end and a 1.25 inch female NPT on the other, with a 1-1/4-11-1/2 NPT thread.
Question by: Ronnie C on Dec 16, 2025, 7:57 AM
What size bolts does this flange adapter use? Just wanna make sure I have everything I need before I start.
Answer by: Customer Support on Dec 18, 2025, 6:26 AM
Mounting bolts and lock washers are included with this Anchor Fluid Power flange adapter, along with a Buna-N O-ring.