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Maximator® male to female adapters allow the joining of male to female connections. The two connections can be a variety of tube or pipe connection types, with different size combinations possible.

All adapters are made of 316 cold worked stainless steel material; other materials are available upon request. Glands and collars are included with each female tube connection.
Adapters (Male to Female)
Unit of Measure
Items Female Medium and High Pressure Adapters
21A6M4M
6MM x 4MF Adapter
List Price Quote
Female Medium and High Pressure Adapters
21A9M4M
9MM x 4MF Adapter
List Price Quote
Female Medium and High Pressure Adapters
21A12M4M
12MM x 4MF Adapter
List Price Quote
Female Medium and High Pressure Adapters
21A16M4M
16MM x 4MF Adapter
List Price Quote
Female Medium and High Pressure Adapters
21A4H4M
4HM x 4MF Adapter
List Price Quote
Pressure Series N/A Medium N/A Medium N/A Medium N/A Medium N/A High
Maximum Male Connection Pressure1 N/A 22,500 psi
Male Connection Tube Size A N/A 3/8 in N/A 9/16 in N/A 3/4 in N/A 1 in N/A 1/4 in
Male Connection Type A N/A 6MM N/A 9MM N/A 12MM N/A 16MM N/A 4HM
Female Connection Tube Size B N/A 1/4 in
Female Connection Type B N/A 4MF
Style N/A One Piece (Standard) Two Piece (-2P)
Maximator® Manufacturing N/A Maximator® designs and manufactures a wide variety of adapters and couplings in an array of styles and sizes. The adapters in this section are considered standard and readily available. Other materials and configurations are available upon request.
Maxpro® N/A Offers a complete line of standard high pressure adapters and couplings to compliment our valve line. Special design adapters and materials are available upon request.
Terms and Conditions N/A
  • All dimensions are for reference only and subject to change.
  • All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.
CAD N/A STEP File for 21A6M4M
N/A STEP File for 21A9M4M
N/A N/A STEP File for 21A16M4M
N/A STEP File for 21A4H4M
  • 1 The pressure rating of any adapter is the value of the lowest rated connection in the fitting.