Armstrong Expansion Tanks
- Applications-Pressure stabilization in water based mechanical systems such as booster installations, boiler systems, and chiller plants
- Description-Armstrong Expansion Tanks are designed to reduce tank sizes by up to 80% over standard designs. Expansion tanks use compressed air to maintain system pressures by accepting and expelling the changing volume of water as it heats and cools. Diaphragm or bladder tank designs isolate the expanded water from the pressure controlling air cushion – which is pre-charged at the factory and can be adjusted in the field to meet final system requirements
- Materials (MOC)-Carbon steel (shell), heavy duty Butyl (diaphragm)
- Performance range-AET plain steel expansion tanks: 15 to 525 USgpm flow.
AX diaphragm expansion tanks: 8 to 211 USgpm flow.
Type L bladder type expansion tanks: 10 to 1056 USgpm flow.
Benefits & Features
Lowest footprint
- Space saving design for up to 80% reduced footprint over standard tank designs
Low operating cost and risk
- Eliminates air ingress and dampens pressure transients (water hammer) for reduced system corrosion and stress, ultimately extending service intervals and overall system life.
- Stabilizes system pressure, maintaining optimum levels of a critical operating parameter.
- Reduces need for chemical treatment.
Related products
Armstrong 4030 End Suctionbase Mounted Pumps
- Applications — HVAC-system pumping; light industrial/ process pumping
- Description — The Armstrong 4030 horizontal end-suction (ES) pumps are engineered to substantially reduce cost over competitor designs across installation, operation, and lifetime maintenance. High-efficiency NEMA-premium motors ensure low energy consumption and cost.
- Materials (MOC) — Cast iron, ductile iron, or bronze casing, Cast iron or bronze impeller
- Configuration Inside — single spring mechanical seal.
- Performance range — Up to 5,000 USgpm (315 L/s) flow; up to 600 ft (180 m) head
- Temperature — 250°F (121°C)
- Power Range — 0.33 hp to 300 hp (0.25 kW to 200 kW)
- Size — 1" to 8” (25 mm to 200 mm)
Armstrong 4380 vertical in-line pumps
- Applications-HVAC-system pumping; light industrial/ process pumping. (water or glycol based)
- Description-The Armstrong 4380 pipe-mounted pumps are designed for space-saving installation and long service life.
- Materials(MOC)-Cast iron or ductile iron casing, Silicon sintered carbide mechanical seal, Cast iron or bronze impeller.
- Configuration-Inside single-spring mechanical seal.
- Performance range-Up to 2,500 USgpm (160 L/s) flow; up to 300 ft (90 m) head
- Temperature-250°F (121°C)
- Power Range-0.33 hp to 60 hp (0.25 kW to 45 kW)
- Size-1.5″ to 8″ (40 mm to 200 mm)
Armstrong Air & Dirt Separators
- Applications-Dirt and air removal from hydronic and HVAC systems.
- Description-The Armstrong dirt & air separators (DAS) are designed to eliminate trapped air and suspended dirt particles associated with the start-up and maintenance of hydronic and HVAC systems.
- Materials (MOC)-Carbon steel (shell), stainless steel (coalescing medium), styrene butadiene rubber (gasket)
Armstrong Design Envelope 4300 Pumps
- Applications-HVAC-system pumping and control; general purpose pumping; industrial/process pumping and control. (water or glycol based)
- Description-Pipe-mounted UL 778 pumping unit with integrated intelligent controls for space-saving installation and superior energy performance. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations. Remote services through internet to enhance reliability and sustain optimal performance over life of pumps.
- Materials(MOC)-Ductile iron e-coated casing, Stainless steel impeller, Sintered silicon carbide mechanical seal
- Configuration-On-board Intelligent Variable Speed controls with Sensorless control. Split-coupling design and outside balanced or inside single spring mechanical seal. Controls enclosure UL type 12 or UL type 4X for outdoor applications. 0.33-50hp range standard with DEPM motors that reduce losses by more than 20% over NEMA Premium efficiency. Network capable for remote performance management services.
- Performance range-25 to 25,000 USgpm (1.5 to 1500 L/s) flow; 10 to 300 ft (3 to 90 m) head (composite curves available)
- Temperature-300oF (150oC)
- Power Range-0.33 hp to 1250 hp (0.25 kW to 900 kW)
- Size-1″ to 20″ (25 mm to 500 mm)
Armstrong Design Envelope 4302 Dualarm Pumps
- Applications-HVAC system pumping; general purpose pumping; industrial/process pumping (water or glycol based)
Armstrong Design Envelope Pumps with integrated controllers are OSHPD pre-approved! - Description-Pipe-mounted 2-pump unit with integrated intelligent controls for space-saving installation, superior energy performance, and full redundancy or parallel-pumping operation. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations.
- Materials (MOC)-Cast iron or ductile iron casing, Cast iron or bronze impeller, Sintered silicon carbide mechanical seal
- Configuration-On-board Intelligent Variable Speed controls with Sensorless or Parallel Sensorless control. Controls enclosure UL type 12 or UL type 4X (outdoor applications). Available with NEMA premium motors. Outside balanced or inside single spring mechanical seal
- Performance range-Up to 1250 USgpm flow and 250 ft head (80 L/s, 76 m)
- Temperature-250°F (121°C)
- Power Range-0.33 hp to 75 hp (0.25 kW to 55 kW)
- Size –1″ to 8” (25 mm to 200 mm)
Armstrong Design Envelope Compass h Circulators
- Applications-Residential heating and cooling; potable water supply.
- Description-The Armstrong Compass H is an energy-efficient variable speed wet-rotor circulator. Designed to replace existing fixed speed circulators, with popular flange-to-flange dimensions, Compass H can be considered a universal replacement for all circulators in its capacity range.
- Materials (MOC)-Cast iron and stainless steel volutes.
- Configuration-Eight operation modes with patented “Auto” algorithm, four Sensorless modes and three fixed speed modes. 50 Hz and 60 Hz designs
- Performance range-Up to 20 USgpm (1.26 L/s) flow; up to 20 ft (6.1 m) head
- Temperature-Max ambient temp. 40°C; max water temp. 110°C
- Power Range-5 W to 45 W
- Size-1″
POT-BASKET TYPE STRAINER (ANSI 150#, 300#)
Applications:
Strainer can be used in liquid as well as gas line, Regulator and valve protection, steam traps protections, flow meter and pump protections, heat exchanger and refrigeration set protection, Suitable for Hazardous environments.
Y-Strainers and pot basket type strainers is a device for mechanically removing unwanted solids from liquid, gas or steam lines by means of a perforated or wire mesh straining element. Where the amount of material to be removed from the flow is relatively small, resulting in long intervals between screen cleanings, the strainer screen is manually cleaned by shutting down the line and removing the strainer cap.
Technical Data :
| Design Std. | As per ASME B16.34 |
| Testing Std. | As per API 598 |
| End Connection | Flanged Drill as per ANSI B16.5 |
| Material | Body : IS 2062, Seal : NBR / PTFE / Graphite + SS, Mesh : SS |
| Shell Wall Thickness | As per ANSI B16.34 |
| Size | 2" to 18", Class 150, 300 |
Dimensions 150#
| Size | F/F | A | B |
| 50 | 320 | 190 | 285 |
| 80 | 360 | 200 | 320 |
| 100 | 400 | 210 | 360 |
| 125 | 460 | 230 | 430 |
| 150 | 510 | 240 | 430 |
| 200 | 560 | 280 | 530 |
| 250 | 810 | 420 | 635 |
| 300 | 890 | 430 | 715 |
Dimensions 300#
| Size | F/F | A | B |
| 50 | 380 | 200 | 305 |
| 80 | 420 | 235 | 400 |
| 100 | 475 | 260 | 405 |
| 125 | 510 | 275 | 435 |
| 150 | 620 | 295 | 490 |
| 200 | 630 | 345 | 560 |
| 250 | 900 | 390 | 690 |
| 300 | 1000 | 440 | 770 |
All dimensions are in mm.
Y-Type Strainers (ANSI 150#, 300#)
Applications:
Strainer can be used in liquid as well as gas line, Regulator and valve protection, steam traps protections, flow meter and pump protections, heat exchanger and refrigeration set protection, Suitable for Hazardous environments.
Y-Strainers and pot basket type strainers is a device for mechanically removing unwanted solids from liquid, gas or steam lines by means of a perforated or wire mesh straining element. Where the amount of material to be removed from the flow is relatively small, resulting in long intervals between screen cleanings, the strainer screen is manually cleaned by shutting down the line and removing the strainer cap
Technical Data :
| Design Std. | As per ASME B16.34 |
| Testing Std. | As per API 598 |
| End Connection | Flanged End as per ANSI B16.5, F to F as per ANSI B16.10 |
| Shell Wall Thickness | As per ANSI B16.34 |
| Size 150# & 300# | 50 mm to 300 mm (2” to 12”) |
| Standard Trims | WCB / CF8M, Mesh : SS |
Dimensions 150#
| Size | ~L | ~H |
| 50 | 225 | 190 |
| 80 | 315 | 270 |
| 100 | 370 | 305 |
| 150 | 470 | 400 |
| 200 | 600 | 490 |
| 250 | 695 | 670 |
| 300 | 810 | 800 |
Dimensions 300#
| Size | ~L | ~H |
| 50 | 270 | 190 |
| 80 | 320 | 270 |
| 100 | 355 | 305 |
| 150 | 450 | 400 |
| 200 | 560 | 490 |
| 250 | 730 | 670 |
| 300 | 850 | 800 |
All dimensions are in mm.

