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!

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...

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...

570200-378 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...

570200-478 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...

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...

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...

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...

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

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!

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...

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...

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...

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!

570200-377 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...

570200-481 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...

570200-381 Armstrong FTV-8FS 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...