NOOR SCIENTIFIC & TRADE

Taco Air Vents

Mostafa Refaay — Wed, 30 Sep 2026 14:30:42 +0000

Taco Automatic Air Vents

Automatic air vents that release trapped air from hydronic systems, supporting efficient circulation and preventing air-bound radiators.

Taco Air Vents

The post Taco Air Vents first appeared on NOOR SCIENTIFIC & TRADE.

Taco Automatic Air Vents

Mostafa Refaay — Wed, 30 Sep 2026 14:28:58 +0000

Taco Automatic Air Vents

Taco automatic air vents remove air at boilers and system high points. Hy-Vent® models use a serviceable float mechanism. The heavy-duty 409 features a conical brass body that reduces interference from floating debris. The 417 Coin Vent uses cellulose discs that release air when dry and swell on contact with water to seal the outlet.

Model 400 Hy-Vent®: ⅛" NPT; maximum system pressure 150 psi; maximum venting pressure 50 psi.
Model 416 Slim-Line Hy-Vent®: ⅛" NPT; maximum system pressure 150 psi; maximum venting pressure 115 psi.
Model 426 Hy-Vent®: ¼" NPT; maximum system pressure 150 psi; maximum venting pressure 50 psi.
Model 418 Hy-Vent®: ½" × ¾" NPT; maximum system pressure 150 psi; maximum venting pressure 50 psi.
Model 419 High-Pressure Hy-Vent®: ½" × ¾" NPT; maximum system pressure 250 psi; maximum venting pressure 150 psi.
Model 409 Commercial Vent: ¾" NPT; maximum system and venting pressure 150 psi.
Model 417 Coin Vent: ⅛" NPT; maximum system and venting pressure 125 psi.
Maximum temperature: 240°F (116°C).
Materials: Nickel-plated brass Hy-Vent® bodies; heavy-duty brass 409 body; cellulose discs in model 417.
Fluid compatibility: Water or water/glycol mixtures up to 50% glycol for float vents; model 417 for water and low-pressure steam applications.
Bubble breakers: Included on models 400, 416 and 426.
409 discharge connection: Accepts ¾" ID flexible tubing.
Optional accessories: Model 414 waste connector for 400, 416, 426 and 418; model 415 service check valve for 400 and 416.
417 shut-off: Internal ball check permits manual closure.

Automatically removes air to support circulation and heat transfer.
Prevents radiators from becoming air bound.
Speeds system filling and air purging.
Removable Hy-Vent® caps simplify servicing.
Optional service check allows compatible vents to be replaced without draining the system.
Optional waste connector directs leakage to a waste line.

Hydronic installations.
Boiler venting and system high points.
Commercial systems requiring high-capacity venting.
Water and low-pressure steam radiators using model 417.

Taco Suction Diffuser Rear Strainer Pullout (SD Series – RSP)

Mostafa Refaay — Wed, 30 Sep 2026 14:24:33 +0000

Taco Suction Diffuser Rear Strainer Pullout (SD Series – RSP)

The Taco RSP Suction Diffuser directs and straightens flow entering the pump while filtering debris. Its integrated elbow design eliminates the requirement for ten pipe diameters of straight suction piping. A removable rear cover provides access to the permanent strainer, while a disposable start-up strainer captures debris during commissioning.

Connection sizes: 1½–16 inches, depending on model; flanged connections with optional grooved adapters.
Flow range: 20–10,000 GPM.
Working pressure: 175 PSI for Class 125 flanged units; 300 PSI for Class 250 units, subject to pressure–temperature ratings.
Operating temperature: Up to 250°F (121°C).
Construction: Ductile iron body, cover and integral straightening vanes.
Strainers: Permanent 304 stainless steel strainer and disposable 16-mesh bronze start-up strainer.
Seal: Reusable EPDM cover O-ring.
Service provisions: Metering port, blowdown port and removable rear service cover.
Optional magnetic insert: Captures small metallic particles.

Saves installation space and reduces piping and fitting requirements.
Promotes uniform flow into the pump.
Oversized body minimizes pressure loss.
Captures debris to support reliable system operation.
Simplifies strainer maintenance and sediment removal.
Enables monitoring of system conditions.

Suction-side installation on base-mounted single-suction pumps.
Suction-side installation on vertical in-line pumps.

ANSI B16.1 Class 125 and Class 250 pressure–temperature ratings.

Taco Plus Two Multi-Purpose Valve (MPV Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:22:58 +0000

Taco Plus Two Multi-Purpose Valve (MPV Series)

The Taco Plus Two valve combines essential pump discharge functions in one ductile iron body. Its spring-loaded check mechanism prevents reverse flow, while globe-style throttling and metering ports support system balancing. A calibrated scale and memory indicator allow settings to be recorded and restored. The body can be converted on site from straight to angle pattern.

Sizes: 1½–14 inches.
Flow range: 20–10,000 GPM, depending on size and operating conditions.
Pressure ratings: 175 or 300 psi, subject to the applicable pressure–temperature curve.
Connections: NPT threaded for 1½–2½ inches; flanged for 3–14 inches; grooved adapters available.
Installation: Horizontal or vertical piping; field-convertible straight/90° angle body.
Body: Ductile iron with EPDM O-ring seal.
Seat disc: Type 304 stainless steel.
Spring: Type 302 stainless steel.
Seat: Replaceable EPDM soft seat.
Gland: Bronze.
Stem: Bronze/Type 416 stainless steel.
Packing: Asbestos-free, PTFE-impregnated aramid fibre; replaceable under system pressure following manufacturer instructions.
Balancing: Calibrated nameplate, pointer, scale and memory indicator.
Metering: Schrader connections for differential-pressure measurement.
Grooved adapters: Steel.

Combines several functions to reduce components and installation space.
Simplifies pump discharge piping and system balancing.
Non-slam check action helps limit reverse flow and hydraulic shock.
Low pressure drop reduces pumping losses.
Memory indicator simplifies restoration of balancing settings.
Replaceable seat and serviceable packing simplify maintenance.
Convertible body accommodates different piping layouts.

Hydronic heating systems.
Hydronic cooling systems.
Discharge piping of base-mounted centrifugal pumps.
Discharge piping of vertical in-line pumps.

ANSI B16.1: Class 125 and Class 250 pressure–temperature ratings.

Taco Vertical In-Line Pumps (KV / SKV Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:21:27 +0000

Taco Vertical In-Line Pumps (KV / SKV Series)

Taco KV pumps provide efficient circulation in a vertical in-line arrangement that saves space and requires no isolation pads. Hydraulically balanced impellers reduce bearing loading, while a dry shaft design, replaceable shaft sleeve and seal flush line simplify maintenance. SKV SelfSensing versions offer integrated variable-speed control and ProBalance® balancing; optional ECM packages improve energy efficiency.

KV sizes: 1½–8 inches.
KV performance: 10–2,650 GPM; 11–385 ft head; ¾–60 HP, depending on model.
Working pressure: Standard 175 PSIG (1,210 kPa); optional 300 PSIG (2,070 kPa), subject to pressure–temperature limits.
Fluid temperature: Standard 250°F (120°C); optional 300°F (149°C) configuration.
Connections: Equal-sized suction/discharge ports; ANSI Class 125 flanges, optional Class 250.
Casing: Cast iron; ductile iron casing for Class 250 construction.
Impeller: Bronze or stainless steel, depending on construction.
Shaft: Carbon steel with replaceable bronze sleeve; optional Type 303 stainless steel sleeve.
Seal: Ceramic/EPT standard; optional tungsten carbide or silicon carbide.
Seal protection: Factory-installed vent/flush line and bronze throttle bushing.
Motor: Standard NEMA JM frame.
Service provisions: Back pullout construction, suction/discharge pressure taps and casing drain.
Options: Bronze wear ring, ductile iron support stand, 5-micron filter and cyclone separator.
SKV controls: Constant flow, constant pressure, flow compensation and duplex alternation; no-flow/dry-run alerts with optional shutdown.
ECM package: 3–10 HP, 1,750 RPM, 230/460 V, three-phase, 60 Hz; TEFC motor with required variable-frequency drive.
eLink: NFC access to equipment documentation and support.

Small footprint reduces installation space.
In-line construction simplifies installation.
Back pullout design enables servicing without disconnecting piping.
Close coupling improves alignment and seal life.
Balanced impellers reduce bearing loading.
Seal flushing and replaceable sleeves reduce wear and maintenance costs.
Optional SelfSensing and ECM packages reduce balancing effort and energy consumption.

Hydronic heating systems.
Cooling systems.
Constant-flow chiller/boiler pumping.
Secondary variable-flow pumping.

NSF 61: Construction option available.
ANSI B16.1: Flange pressure–temperature ratings.
ANSI Grade G6.3: Dynamic impeller balancing.
SKV motor protection: Per UL 778 and CSA C22.2 No. 108.

Taco Vertical Split-Coupled In-Line Pumps (KS / SKS Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:19:40 +0000

Taco Vertical Split-Coupled In-Line Pumps (KS / SKS Series)

Taco KS pumps combine a space-saving vertical in-line arrangement with hydraulically balanced impellers for efficient operation, reduced bearing loading and low NPSH requirements. A standard seal flush line and throttle bushing protect the mechanical seal. SKS SelfSensing versions provide integrated variable-speed control and ProBalance® balancing; optional ECM packages improve energy efficiency.

KS sizes: 1½–14 inches.
KS performance: 40–12,500 GPM; 10–380 ft head; ¾–600 HP, depending on model.
Working pressure: Standard 175 PSIG (1,210 kPa); optional 300 PSIG (2,070 kPa), subject to pressure–temperature limits.
Fluid temperature: Standard 250°F (120°C); cooled seal flushing recommended above 225°F and required above 250°F.
Connections: Equal-sized suction/discharge ports with ANSI Class 125 flanges; optional Class 250.
Casing: Cast iron; ductile iron casing for Class 250 construction.
Impeller: Bronze or stainless steel, depending on construction.
Shaft: Type 416 stainless steel.
Coupling: Precision 6061-T6 aluminium split coupling.
Seal: Ceramic/EPT standard; optional tungsten carbide or silicon carbide.
Seal protection: Standard copper/brass flush line and bronze throttle bushing.
Service provisions: Suction/discharge pressure taps, casing drain and drilled mounting holes.
Options: Bronze wear ring, ductile iron support stand, external seal, 5-micron filter and cyclone separator.
SKS controls: Constant flow, constant pressure, flow compensation and duplex alternation; no-flow/dry-run alerts with optional shutdown.
ECM package: 3–10 HP, 1,750 RPM, 230/460 V, three-phase, 60 Hz; TEFC motor with required variable-frequency drive.
eLink: NFC access to equipment documentation and support.

Small footprint suits restricted mechanical rooms.
Seal replacement requires no motor removal or piping disconnection.
Balanced axial loads extend bearing life.
Efficient impellers and low NPSH requirements support reliable operation.
Seal flushing reduces wear and leakage-related downtime.
Optional SelfSensing and ECM packages reduce balancing effort and energy consumption.

HVAC systems.
Industrial systems.
Pressure boosting.
Cooling towers.
Domestic water services.
Constant-flow chiller/boiler and secondary variable-flow systems.

NSF 61: Construction option available.
ANSI B16.1: Flange pressure–temperature ratings.
ANSI Grade G6.3: Dynamic impeller balancing.
SKS motor protection: Per UL 778 and CSA C22.2 No. 108.

Taco Single-Stage, Double-Suction Vertical Split Case Pumps (TS Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:17:27 +0000

Taco Single-Stage, Double-Suction Vertical Split Case Pumps (TS Series)

Taco TS pumps combine a vertical split casing with a high-efficiency double-suction impeller. Side suction and top discharge connections minimise installation space. A dry shaft design, replaceable wear components and accessible casing simplify maintenance, while the double-suction arrangement reduces axial thrust and bearing loading.

Sizes: 3–14 inches.
Performance: 70–11,000 GPM; 10–560 ft head; 2–800 HP, depending on model.
Working pressure: Standard 175 PSIG (1,210 kPa); optional 300 PSIG (2,070 kPa), subject to pressure–temperature limits.
Fluid temperature: Up to 250°F (120°C).
Connections: ANSI Class 125 flanges; optional Class 250.
Casing: ASTM A48 Class 30A cast iron with integral mounting feet.
Impeller: Bronze; optional AISI 304 stainless steel.
Shaft: AISI 1045 carbon steel; optional AISI 420 stainless steel.
Shaft sleeves: Replaceable bronze or AISI 420 stainless steel.
Wear rings: Replaceable bronze or AISI 420 stainless steel, depending on construction.
Mechanical seal: Carbon rotating face, silicon carbide stationary seat and Viton elastomers.
Base: Reinforced welded steel with standard drip pan and ¾-inch drain; grouting recommended.
Drive: Flexible coupling suitable for conventional starting and variable-frequency-drive operation.
Options: Copper seal flush line and 5-micron cartridge filter.

Compact piping arrangement reduces installation space.
Efficient double-suction impeller supports economical operation.
Reduced axial thrust extends bearing life.
Dry shaft design protects the shaft from circulating fluid.
Replaceable sleeves and wear rings reduce servicing costs.
Casing construction allows maintenance without disturbing piping.

Heating systems.
Air conditioning.
Pressure boosting.
Cooling water transfer.
Water supply.

ANSI B16.1: Class 125 and Class 250 flange pressure–temperature ratings.
ANSI Grade G6.3: Dynamic impeller balancing.

Taco Single-Stage, Double-Suction Vertical Split Case Pumps (TS Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:16:07 +0000

Taco Single-Stage, Double-Suction Vertical Split Case Pumps (TS Series)

Taco TS pumps feature a side suction connection and top discharge to minimise installation space. The efficient double-suction design reduces axial thrust and bearing loading. Rugged construction, a foot-mounted casing, centre drop-out coupling and regreasable bearings simplify installation and servicing.

Sizes: 3–14 inches.
Performance: 70–11,000 GPM; 10–560 ft head; 2–800 HP, depending on model.
Working pressure: Standard 175 PSIG (1,210 kPa); optional 300 PSIG (2,070 kPa), subject to pressure–temperature limits.
Fluid temperature: Up to 250°F (120°C).
Connections: ANSI Class 125 flanges; optional Class 250.
Casing: ASTM A48 Class 30A cast iron.
Impeller: Bronze; optional AISI 304 stainless steel.
Shaft: AISI 1045 carbon steel; optional AISI 420 stainless steel.
Wear components: Replaceable bronze or stainless steel shaft sleeves and wear rings, depending on construction.
Mechanical seal: Carbon/silicon carbide faces with Viton elastomers.
Construction: Vertical split casing, centre drop-out coupling and regreasable bearings.
Base: Reinforced welded base with standard drip pan.
Options: Copper seal flush line and 5-micron cartridge filter.

Compact connection arrangement reduces installation space.
Efficient double-suction impeller supports economical operation.
Reduced axial thrust extends bearing life.
Accessible coupling and split casing simplify servicing.
Replaceable wear components reduce maintenance costs.
Material options accommodate different operating requirements.

Heating systems.
Air conditioning.
Pressure boosting.
Cooling water transfer.
Water supply.

ANSI B16.1: Class 125 and Class 250 flange pressure–temperature ratings.
ANSI Grade G6.3: Dynamic impeller balancing.

Taco Single-Stage, Double-Suction Horizontal Split Case Pumps (TA Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:14:50 +0000

Taco Single-Stage, Double-Suction Horizontal Split Case Pumps (TA Series)

Taco TA pumps feature a balanced double-entry impeller designed for high efficiency, low NPSH requirements and stable performance. The horizontal split casing allows removal of the rotating assembly without disturbing piping. Modular bearing and shaft components offer flexible construction and seal options, while reduced axial thrust and shaft deflection extend bearing and seal life.

Flow range: 60–6,000 GPM, depending on model.
Maximum operating pressure: 300 psi (approximately 20.7 bar), subject to selected flange and operating limits.
Connections: ANSI Class 125 or Class 250 flanges.
Seal/packing temperature: Standard 250°F (121°C); optional 300°F (149°C).
Casing: Heavy-duty cast iron with integral mounting feet.
Impeller: Hydraulically and dynamically balanced bronze double-entry impeller; optional cast iron.
Shaft: Carbon steel; optional stainless steel.
Shaft sleeves: Replaceable bronze; optional stainless steel.
Wear rings: Replaceable bronze casing rings; optional cast iron rings or impeller wear rings.
Bearings: Heavy-duty, grease-lubricated bearings.
Seal flushing: Standard recirculation line; optional filter and abrasive separators.
Service connections: Gauge and priming ports, upper-casing air release valve and flushing connections.
Motors: Standard NEMA T or TS frame motors.
Options: Drip-type base, two rotation arrangements, packed stuffing box and balanced mechanical seals.

High-efficiency impeller helps reduce operating costs.
Low NPSH requirements support reliable suction performance.
Double-suction design reduces axial thrust and bearing loading.
Compact shaft arrangement reduces deflection and extends seal life.
Removable upper casing simplifies servicing without disconnecting piping.
Replaceable wear rings reduce repair costs.
Modular construction accommodates different applications and future performance needs.

Water circulation systems.
HVAC and commercial hydronic systems.

ANSI Class 125 / Class 250: Flange configurations.

Taco Single-Stage, Double-Suction Horizontal Split Case Pumps (HS Series)

Mostafa Refaay — Wed, 30 Sep 2026 14:13:29 +0000

Taco Single-Stage, Double-Suction Horizontal Split Case Pumps (HS Series)

Taco HS pumps feature a heavy-duty split casing and a hydraulically and dynamically balanced double-suction bronze impeller. Bearings and mechanical seals can be serviced without removing the top casing, while the removable upper casing provides access to the rotating assembly without disturbing piping. A short, rigid shaft reduces deflection, seal wear and bearing loading.

Models: HS060509, HS060511, HS060512 and HS060515.
Connection size: 6 inches.
Performance: 100–2,000 GPM; 10–250 ft head; 10–100 HP, depending on model.
Speeds: Performance curves provided for 1,160, 1,450 and 1,760 RPM.
Working pressure: Standard 175 PSIG (1,210 kPa); optional 300 PSIG (2,070 kPa), subject to pressure–temperature limits.
Fluid temperature: Up to 250°F (120°C).
Connections: ANSI Class 125 or optional Class 250 flanges.
Casing and cover: ASTM A48 Class 30A cast iron for Class 125; ASTM A536 Grade 65-45-12 ductile iron for Class 250.
Impeller: Bronze, hydraulically and dynamically balanced.
Shaft: AISI 1045 carbon steel; optional Type 416 or 410 stainless steel.
Wear components: Replaceable bronze casing wear rings and shaft sleeves.
Mechanical seal: Carbon rotor, Ni-Resist seat and EPT elastomer.
Seal flushing: Standard recirculation line; optional filter and abrasive separator.
Base: Reinforced welded steel with integral drip pan and ¾-inch drain; grouting recommended.
Drive: Flexible coupling; standard NEMA and IEC motor options.
Rotation: Two rotation options available.

Quick access to bearings and seals simplifies maintenance.
Replaceable wear rings avoid replacing the casing during wear-ring servicing.
Efficient double-suction impeller supports economical operation.
Rigid shaft reduces vibration, seal wear and bearing loading.
Heavy-duty casing improves strength and resistance to distortion.
Reinforced base improves alignment and operating stability.

NOOR SCIENTIFIC & TRADE

Taco Air Vents

Taco Air Vents

Taco Automatic Air Vents

Taco Automatic Air Vents

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