M-1 Type Gate Valves


SWECO’s M-1 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 ends in standard bore sizes.

Specifications

10,000 psi


Flange Size

A

B

C

D

1 13/16" 18.25" 14.50" 21.00" 14"
2 1/16" 20.50" 15.62" 23.50" 19"
2 9/16" 22.25" 18.00" 25.88" 19"

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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