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Fittings / Mark VIII® / H853-20-20-M

Tube to Female Pipe Thread Union Assembly

Data sheet
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American Engineering Trusted Wordwide ®

DATA SHEET

H853-20-20-M
11/19/2025 11:55 AM

Product Category H853-20-20-M
Part Description Tube to Female Pipe Thread Union Assembly

Dimensions

A 1.250
B-NPT 1.250" - 11.5
C-HEX 2
D 0.560
E 3.00
G-HEX 2.25

General

Pressure Rating 4500 PSI
Assembly Material Monel®, ASTM B164, UNS N04405
O-Ring Material Viton® Fluorocarbon Type 1, Class 2 (90 durometer)
Connection 1 Type Female Tube Socket
Connection 1 Size 1.25" Tube O.D. (-20)
Connection 2 Type Female Pipe Thread
Connection 2 Size 1.25" NPT (-20)

cpvmfg.com | 484.731.4010

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. Caution: Do not mix or interchange valve components with those of other manufacturers.