Shut-Off Valves

Several types of Brass and aluminum shut-off valves are available.  Like all MIRAX products, these valves are built to give trouble-free maintenance-free service.  Aluminum valves eliminate the need for stainless steel adaptors.


Anti-siphon Valves - Protect against unwanted withdrawal of fuel from the tank.A-163 or M-163 Anti-siphon ValveA-138or M-138 Anti-siphon Valve

Alum Part No. Brass Part No. Description Male NPT Quantity
A-138 M-138 Fits Fuel Assembly 1/4" Each
A-163 M-163 Threads Fit Fuel Withdrawal Barb For 3/8" I.D. Fuel Line Only 1/4" Each

Multiple Shut-Off Valves - MIRAX offers all-brass valves for multiple applications.  Two permanent tanks can easily be connected to a single engine using a three-way valve.  By putting one port down and utilizing the three side hook ups three permanent tanks can be connected to a single engine using a four-way valve.M-100B_Four-Way_Shut-Off_ValveM-100A_Three_Way_Shut-Off_ValveM-100_Three_Way_Shut-Off_Valve

Part No. Female NPT Description Quantity
M-100 3-1/4" Side Hook Up Each
M-100C 3-3/8" Side Hook-Up, Ports 5/16 I.D. Each
M-100A 3-1/4" One Port Down Each
M-100B 4-1/4"   Each

Two-Way Shut-Off ValvesM-73A_Two-Way_Shut-Off_ValveM-80 or A-80 Two-Way Shut-Off ValveM-89 Two-Way Shut-Off ValveM-89_A_Two-Way_Shut-Off_Valve.M-80 A or A-80 A Two-Way Shut-Off Valve

Brass Part No. Alum. Part No. Male NPT Female NPT  Description Quantity
M-73A - 1/4" 1/4" - Each
M-80 A-80 1/4" 1/4" Low Profile Each
M-80A A-80A 1/4" - Built in3/8" Hose Barb Each
M-89A - 1/4" - 3/8" Male Flare Each
M-89B - 3/8" - 3/8" Male Flare Each

Big Flow Valves - Available in brass or aluminum, these Big Flow valves are suitable for use with alcohol-based gasoline. The valves withstand working pressure of up to 250 PSI with 5/16" I.D. for greater fuel flow.

Brass Part No. Aluminum Part No. Male NPT Female NPT Description Quantity
M-87 A A-87 A 1/4" NPTF 1/4" NPTF Built-in 3/8" Hose Barb Each