Armstrong Pump & HVAC System Products

11AV 5/64 Armstrong 3/4" Stainless Steel Air Vent 400PSI. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific...

11AV-1/8 Armstrong 3/4" Stainless Steel Air Vent 178PSI. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific...

SG-33 Armstrong Suction Diffuser 516860-019, 3"x3" flanged. Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SGs)...

1AV-3/4 (1/8) Armstrong AIR VENT 3/4"P  1/8". 1-AV—A cast iron air vent that uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions. This vent is good for low capacity air/gas venting up to...

A5345 Armstrong Air Vent For "B" Series Steam Traps. This air vent is for use with all Armstrong "B" series F&T traps with 15 to 30 pound operating pressures. This Item Usually Ships The Same Day!

516860-014 Armstrong SG-22 Suction Diffuser 2 x 2, Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SGs) are installed...

11AV 38 Armstrong 3/4" Stainless Steel Air Vent 267PSI. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity...

570200-380 Armstrong FTV-6FS Flo-Trex Valve 6" Flange, Straight pattern valve. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak...

570200-478 Armstrong Flo-Trex Valve FTV-4FA Angle Pattern. (Supplied with ANSI-125 FLANGED pump & system connections). Flange adapter kits not required. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge...

975003-701 Armstrong AAE-750 Air Vent. This Item Usually Ships Same Day!

570200-387 Armstrong Flo-Trex Valve FTV-3GS. (Grooved Straight Pattern). *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak...

GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot for steam service. Information: GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot Installation Guide GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot...

AV-13 Armstrong Air Vent. Please note image is generic. If you have any questions please give us a call at 1-800-781-7405 or email us your request. Sales@NationalPumpSupply.com This Item Usually Ships The Same Day!

570200-477 Armstrong Flo-Trex Valve FTV-3FA Angle Pattern. (Supplied with ANSI-125 FLANGED pump & system connections). Flange adapter kits not required. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge...

SG-66 Armstrong Suction Guide 516860-026, Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SGs) are installed on the...

516860-016 Armstrong SG-32 Suction Diffuser 3 x 2, Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SGs) are installed...

21AR-3/4 Armstrong Cast Iron Air Vent 1/16 208 PSI. *Please note image is generic. This Item Usually Ships The Same Day!

570200-486 Armstrong Flo-Trex Valve FTV-2.5GA, Grooved Angle Pattern. (Supplied with GROOVED pump & system connections). *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to...

570200-218 Armstrong FTV-2TS Flo-Trex Valve Threaded Style Straight Pattern. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak...

SG-54 Armstrong Suction Guide 516860-022, Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SG's) are installed on the...

SG-43 Armstrong Suction Guide 516860-020, 4"x3" flanged. *Please note image is generic. Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps...

22-AV Armstrong SS Air Vent 3/4" NPT 590 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...

A9739 Armstrong Air Vent For "A, K and J" Series Steam Traps. This air vent is for use with all "A, K and J" Series Float & Thermostatic Steam Traps with 30 to 175 pound operating pressures. This Item Usually Ships The Same Day!

570200-378 Armstrong FTV-4FS Flo-Trex Valve, Straight pattern valve. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak efficiency...

570200-481 Armstrong Flo-Trex Valve FTV-8FA Angle Pattern. (Supplied with ANSI-125 FLANGED pump & system connections). Flange adapter kits not required. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge...

22-AV Armstrong SS Air Vent 3/4" NPT 600 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...

13-AV Armstrong SS Air Vent 1" NPT 45 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0.50...

570200-377 Armstrong FTV-3FS Flo-Trex Valve, Straight pattern valve. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak efficiency...

570200-376 Armstrong FTV-2.5FS Flo-Trex Valve, Straight pattern valve. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak...

570200-476 Armstrong Flo-Trex Valve FTV-2.5FA Angle Pattern. (Supplied with ANSI-125 FLANGED pump & system connections). Flange adapter kits not required. *Please note image is generic. Armstrong Flo-Trex Valves are used on the...

570200-215 Armstrong FTV-1.5TS Flo-Trex Valve Threaded Style Straight Pattern. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak...

516837-301 Armstrong FSA 1-1/2" Flo-Trex Valve Straight Angle. *Please note image is generic. Armstrong Flo-Trex Valves are used on the discharge side of pumping equipment to protect pumps from damage and keep them operating at peak efficiency...

13-AV Armstrong SS Air Vent 1" NPT 309 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...

D25543 Armstrong GP2000 DI 1.5" NPT Pressure Reducing Valve 3-21 for steam service. Information: GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot Installation Guide GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI...

D25547 GP-2000 Armstrong 2" NPT Pressure Reducing Valve 3-21 for steam service. Information: GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot Installation Guide GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot...

GP-2000 Armstrong 3/4" NPT Pressure Reducing Valve 3-21 PSI Pilot  for steam service. Information: GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21 PSI Pilot Installation Guide GP-2000 Armstrong 1/2" NPT Pressure Reducing Valve 3-21...

22-AV Armstrong SS Air Vent 3/4" NPT 474 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...

22-AV Armstrong SS Air Vent 3/4" NPT 126 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...

13-AV Armstrong SS Air Vent 1" NPT 570 psi 7/64". The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down...

SG-44 Armstrong Suction Guide 516860-021, 4"x4" flanged. Port Sizes (ins) System x Pump. Armstrong suction diffusers are designed for direct mounting on the suction flange of horizontal and vertical pumps. Armstrong Suction Guides (SG's) are...