M-Type Gate Valves


SWECO’s M gate valves feature a non-rising stem with an expanding gate design for safe and dependable service in any environment. They are available in flanged or threaded ends in standard bore sizes.

  • Features a 45° landing shoulder capable of supporting maximum loads
  • Prevents test plugs from wedging under pressure

Specifications


5,000 psi

Flange Size

A

B

C

D

2 1/16" 14.62" 5.25" 19.62" 13"
2 9/16" 16.62" 6.12" 20.62" 13"
3 1/8" 18.62" 7.62" 22.75" 16"
4 1/16" 21.62" 9.44" 25.88" 16"

Trim Chart


Service Condition

Trim

Body

Bonnet

Gate

Seat

Stem

General, Non-Corrosive AA Alloy Alloy Alloy Alloy Alloy
General, Slightly Corrosive BB Alloy Alloy 410 SS Hardface 410 SS Hardface 17-4 PH
General, Moderately Corrosive CC 410 SS 410 SS 410 SS Hardface 410 SS Hardface 17-4 PH
Sour, Non-Corrosive DD Alloy Alloy Alloy Alloy 17-4 PH
Sour, Slightly Corrosive EE Alloy Alloy 410 SS Hardface 410 SS Hardface 17-4 PH
Sour, Moderately Corrosive FF 410 SS 410 SS 410 SS Hardface 410 SS Hardface 17-4 PH
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