Tamper Proof Downblast Centrifugal Exhaust Ventilators Page

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Phillip Hamilton
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2 Tamper Proof Downblast Centrifugal Exhaust Ventilators Page Introduction SRSH-D Specifications and Dimension Data SRSH-B Specifications and Dimension Data Accessories SRSH-D Performance Data SRSH-B Performance Data SRSH-B Performance Data SRSH-B Performance Data SRSH-B Performance Data UL 762 Listed for Restaurant Exhaust Appliances

SRSH Tamper Proof Downblast Centrifugal Exhaust Ventilator SRSH Tamper Proof Downblast Centrifugal Exhaust Ventilators provide maximum performance and durability in a wide variety of commercial and

All units are tested in Cook s AMCA registered laboratory in accordance with AMCA standards and are licensed to bear the AMCA Certified Ratings Seal for Air Performance.

3 SRSH Tamper Proof Downblast Centrifugal Exhaust Ventilator SRSH Tamper Proof Downblast Centrifugal Exhaust Ventilators provide maximum performance and durability in a wide variety of commercial and industrial air moving applications. All units are tested in Cook s AMCA registered laboratory in accordance with AMCA standards and are licensed to bear the AMCA Certified Ratings Seal for Air Performance. They are listed by Underwriters Laboratories (UL 75) and UL listed for Canada ( c UL 75). SRSH-D Direct Drive Stainless steel restraining bar Hood Rubber vibration isolators Tamper proof fasteners Reinforced backplate for locking hasp under the skirt Skirt Optional Prewired NEMA 1 disconnect switch SRSH-B Belt Drive Pillowblock bearings in cast iron housing Integral Lifting Lugs Optional prewired NEMA 1 disconnect switch Rubber vibration isolators Hood Stainless steel restraining bar Reinforced backplate for locking hasp under the skirt Skirt Tamper proof fasteners 2

Specifications and Dimension Data SRSH-D Description: shall be a galvanized steel, tamper proof, roof mounted, direct drive, downblast centrifugal exhaust ventilator.

4 Specifications and Dimension Data SRSH-D Description: shall be a galvanized steel, tamper proof, roof mounted, direct drive, downblast centrifugal exhaust ventilator. Certifications: shall be manufactured at an ISO 91 certified facility. shall be listed by Underwriters Laboratories (UL 75) and UL listed for Canada (cul 75). shall bear the AMCA Certified Ratings Seal for Air Performance. Construction: The fan shall be of bolted, riveted and welded construction utilizing corrosion resistant fasteners. The discharge skirt shall be 16 gauge galvanized steel construction fastened with stainless steel rivets. An 18 gauge galvanized steel hood shall have a stainless steel.25 diameter full length hinge to provide secure access into the motor compartment. The hood shall have two.125 gauge x 1.25 wide restraining bars to hold the hood in the open locked position when servicing. A heavy-duty.125 thick stainless steel locking hasp shall provide complete security with the use of a standard padlock concealed under the skirt. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections. The motor shall be mounted on a 1 gauge steel mounting plate, isolated from the unit structure with rubber vibration isolators. The complete motor and wheel assembly can be removed for servicing without disassembling the hood or skirt assemblies. Unit shall bear an engraved aluminum nameplate and shall be shipped in ISTA Certified Transit Tested Packaging. Wheel: Wheel shall be centrifugal backward inclined, constructed of 1% aluminum, including a precision machined cast aluminum hub. An aerodynamic galvanized steel inlet cone shall be provided for maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 24-96, Balance Quality and Vibration Levels for s. : shall be heavy duty type with permanently lubricated sealed bearings and furnished at the specified voltage, phase and enclosure. Product: shall be model SRSH-D as manufactured by Loren Cook Company of Springfield, Missouri. SRSH-D Dimension Data Size A B C D T Sq. Roof Opening Square* All dimensions in inches. *Roof opening size for curbs supplied by Loren Cook Company only. Approx. Ship Wt.-Lbs / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /16 1-1/2 47-9/ /2 226 Tamper Proof Downblast Centrifugal Exhaust Ventilator Roof Mounted/Direct Drive B C T Sq. Loren Cook Company certifies that the SRSH-D shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program. D C A Type SRSH-D is furnished standard with UL 75 and cul 75 listings (Power Ventilator/ZACT). 3

SRSH-B Specifications and Dimension Data Tamper Proof Downblast Centrifugal Exhaust Ventilator Roof Mounted/Belt Drive C C Description: shall be a galvanized steel, tamper proof, roof mounted, belt

5 SRSH-B Specifications and Dimension Data Tamper Proof Downblast Centrifugal Exhaust Ventilator Roof Mounted/Belt Drive C C Description: shall be a galvanized steel, tamper proof, roof mounted, belt driven, downblast centrifugal exhaust ventilator. Certifications: shall be manufactured at an ISO 91 certified facility. shall be listed by Underwriters Laboratories (UL 75) and UL listed for Canada (cul 75). shall bear the AMCA Certified Ratings Seal for Air Performance. Construction: The fan shall be of bolted, riveted and welded construction utilizing corrosion resistant fasteners. The discharge skirt shall be 16 gauge galvanized steel construction fastened with stainless steel rivets. An 18 gauge galvanized steel hood shall have a stainless steel.25 diameter full length hinge to provide secure access into the motor compartment. The hood shall have two.125 gauge x 1.25 wide restraining bars to hold the hood in the open locked position when servicing. A heavy-duty.125 thick stainless steel locking hasp shall provide complete security with the use of a standard padlock concealed under the skirt. An integral conduit chase shall be provided through the curb cap and into the motor compartment to facilitate wiring connections. The motor, bearings and drives shall be mounted on a 14 gauge steel power assembly, isolated from the unit structure with rubber vibration isolators. The complete power assembly, motor and wheel assembly can be removed for servicing without disassembling the hood or skirt assemblies. Lifting lugs shall be provided to help prevent damage from improper lifting. Unit shall bear an engraved aluminum nameplate and shall be shipped in ISTA Certified Transit Tested Packaging. Wheel: Wheel shall be centrifugal backward inclined, constructed of 1 percent aluminum, including a precision machined cast aluminum hub. Wheel inlet shall overlap an aerodynamic galvanized steel inlet cone to provide maximum performance and efficiency. Wheel shall be balanced in accordance with AMCA Standard 24-96, Balance Quality and Vibration Levels for s. : shall be heavy duty type with permanently lubricated sealed ball bearings and furnished at the specified voltage, phase and enclosure. Bearings: Bearings shall be designed and individually tested specifically for use in air handling applications. Construction shall be heavy-duty regreasable ball type in a cast iron pillow block housing selected for a minimum L5 life in excess of 2, hours at maximum cataloged operating speed. Belts & Drives: Belts shall be oil and heat resistant, non-static type. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 15 percent of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan. Product: shall be model SRSH-B as manufactured by Loren Cook Company of Springfield, Missouri. B T Sq. Loren Cook Company certifies that the SRSH-B shown herein are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program. D Type SRSH-B is furnished standard with UL 75 and cul 75 listings (Power Ventilator/ZACT) when furnished with factory supplied motor. A SRSH-B Dimension Data Size A B C D T Roof Opening Approx. Ship Sq. Square* Wt.-Lbs Less / / / / / / / / / / / / / / / / / / / / / / / / /16 1-1/2 47-9/ / /16 1-1/ / / /32 1-1/2 49-3/ / /32 1-1/2 5-13/ / /32 1-1/2 52-1/ / / /2 378 All dimensions in inches. *Roof opening size for curbs supplied by Loren Cook Company only. 4

Curb Dimension Data SRSH Unit Size Approx. Roof Ship Wt.-Lbs. F Sq. V Sq. W Sq.

RCG-22 RCA-22 22-1/2 26-1/2 15-3/4 19-1/2 27 18 18, 195, 21, 225, 245 RCG-28 RCA-28 28-1/2 32-1/2 21-3/4 25-1/2 34 22 27 RCG-34 RCA-34 34-1/2 38-1/2 27-3/4 31-1/2 41 27

Contact factory for dimensions. Typical Disconnect Switches NEMA 1 NEMA 1 (Heavy Duty) NEMA 1 (Lockable) NEMA 7 NEMA 9 Insulation Wood Nailer NEMA 3R V Sq. F Sq.

density thermal and acoustical insulation. Continuously welded corners. Wood nailer. Options Damper tray. No wood nailer (deduct 1-1/2 from height).

NEMA 1 (Heavy Duty, Lockable) - Indoor heavy duty visible blade. NEMA 3R - Exterior mount, rain-tight. NEMA 4 - Water-tight and dust-tight.

s Direct Drive Two speed, single phase open motors may be supplied as follows: 1725 motors as 1725/114, 114 motors as 114/86 Explosion proof motors are available for some

FSC cannot be used on any 1725 or 114 motors, explosion proof units or belt drive units. Belt Drive Single phase motors are available from 1/6 to 1-1/2.

6 Curb Dimension Data SRSH Unit Size Approx. Roof Ship Wt.-Lbs. F Sq. V Sq. W Sq. Opening Galvanized Aluminum RCG RCA 6, 65, 7, 75, 8, 85, 1 RCG-16 RCA /2 2-1/2 9-3/4 13-1/ , 135 RCG-18 RCA /2 22-1/2 11-3/4 15-1/ ,165 RCG-22 RCA /2 26-1/2 15-3/4 19-1/ , 195, 21, 225, 245 RCG-28 RCA /2 32-1/2 21-3/4 25-1/ RCG-34 RCA /2 38-1/2 27-3/4 31-1/ Accessories SRSH All dimensions in inches. When motor operated damper is used, a wood nailer is required. Sound curbs available for most sizes. Contact factory for dimensions. Typical Disconnect Switches NEMA 1 NEMA 1 (Heavy Duty) NEMA 1 (Lockable) NEMA 7 NEMA 9 Insulation Wood Nailer NEMA 3R V Sq. F Sq. Optional Damper Tray W Sq. Roof Opening NEMA 4 1-1/2" 9-1/2" Standard Construction Features 18 gauge galvanized steel (RCG) or.8 aluminum (RCA). 1-1/2, 3 lbs. density thermal and acoustical insulation. Continuously welded corners. Wood nailer. Options Damper tray. No wood nailer (deduct 1-1/2 from height). 13-1/2 tall construction. 3 cant (add 4 to V Sq. dimension). NEMA 1 - Indoor general purpose. NEMA 1 (Lockable) - Indoor general purpose with locking capability. NEMA 1 (Heavy Duty, Lockable) - Indoor heavy duty visible blade. NEMA 3R - Exterior mount, rain-tight. NEMA 4 - Water-tight and dust-tight. NEMA 7 and NEMA 9 - Lockable, indoor, explosion proof. s Direct Drive Two speed, single phase open motors may be supplied as follows: 1725 motors as 1725/114, 114 motors as 114/86 Explosion proof motors are available for some units. A Control (FSC) may be used on shaded pole and permanent split capacitor, 115V or 23V, single phase motors only. FSC cannot be used on any 1725 or 114 motors, explosion proof units or belt drive units. Belt Drive Single phase motors are available from 1/6 to 1-1/2. Three phase ODP motors are available from 1/4 to 7-1/2. Two speed, single phase motors are available in 1725/114, from 1/6 to 1. Two speed, three phase motors are available in 1725/114 with two windings, from 1/3 to 5. All standard motors, 3 and larger are shipped loose for field mounting. Two speed, explosion proof or TEFC motors 1-1/2 and larger are shipped loose for field mounting. TEFC and Class 1, Group D, explosion proof motors are available in single phase from 1/4 to 1 ; in three phase from 1/4 to 7-1/2 ; for all units in three phase; and up to 3/4 in single phase. 5

SRSH Accessories Continued Typical Disconnect Switches Continued Cook s FSC is a variable speed controller which allows operation of SRSH units from 1 percent of capacity down to approximately 5

The FSC is available only on 115V and 23V shaded pole or permanent split capacitor motors and is not available on 114 and 1725 motors. The FSC is normally shipped loose for field installation.

1-7/8" Gravity dampers feature an extruded aluminum frame, aluminum blades and aluminum hinge pins with brass bushings. SRSH-D & SRSH-B Approx. E Sq. Units Ship Wt.

7 SRSH Accessories Continued Typical Disconnect Switches Continued Cook s FSC is a variable speed controller which allows operation of SRSH units from 1 percent of capacity down to approximately 5 percent. The FSC can offer excellent energy conservation and sound benefits when 1 percent operation is not required. The FSC employs solid state circuitry for long-life and dependability. The FSC is available only on 115V and 23V shaded pole or permanent split capacitor motors and is not available on 114 and 1725 motors. The FSC is normally shipped loose for field installation. Optional pre-wiring available. 5 AMP FSC 1 AMP FSC Gravity Backdraft Damper 5-3/16" E Sq. 1-7/8" Gravity dampers feature an extruded aluminum frame, aluminum blades and aluminum hinge pins with brass bushings. SRSH-D & SRSH-B Approx. E Sq. Units Ship Wt.- 6, 65, 7, 75, 8, 85, 1 BD /4 2 12, 135 BD /4 2 15,165 BD /4 3 18, 195, 21, 225, 245 BD / BD /4 6 All dimensions in inches. When motor operated damper is used, a wood nailer is required. Sound curbs available for most sizes. Contact factory for dimensions. ized Backdraft Damper 8" 5-3/16" E Sq. 1-7/8" ized dampers feature an extruded aluminum frame, aluminum blades and aluminum hinge pins with brass bushings. s are shipped loose for field installation. Available voltages include 11V, 22V, and 44V. SRSH-D & SRSH-B Approx. E Sq. Units Ship Wt.- 6, 65, 7, 75, 8, 85, 1 BDM /4 4 12, 135 BDM /4 4 15,165 BDM /4 5 18, 195, 21, 225, 245 BDM / BDM /4 8 All dimensions in inches. When motor operated damper is used, a wood nailer is required. Sound curbs available for most sizes. Contact factory for dimensions. 6

8 Data SRSH-D 6-18 SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP 6SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH15D 1/ SRSH17D* 1/ SRSH1D 1/ SRSH17D* 1/ SRSH1D 1/ SRSH17D* 3/ SRSH1D 1/ SRSH17D* 1-1/ SRSH1D 1/ SRSH17D* SRSH11D SRSH17D* Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances These fans cannot be used with FSC speed controllers SRSH-D 7-75 SRSH-D 8-85 SRSH-D 1. 65SRSH17D SRSH17D 7SRSH17D SRSH17D 65SRSH15D 6SRSH15D SRSH15D 75SRSH17D 75SRSH15D SRSH15D 8SRSH15D 85SRSH17D SRSH-D SRSH-D SRSH-D SRSH17D 15SRSH17D SRSH17D 1SRSH15D 12SRSH1D SRSH17D 15SRSH1D 135SRSH1D SRSH17D 165SRSH17D 18SRSH11D 165SRSH1D

9 Data SRSH-B SRSH-B 2. Wheel Diameter - 1 (FPM) x Maximum - 26 Maximum -.17 x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) lbs. Curb - RCG, RCA - 16 Roof Opening /2 Sq / /4 23-7/ SRSH-B 2. Wheel Diameter - 1 (FPM) x Maximum - 21 Maximum -.18 x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) lbs. Curb - RCG, RCA - 16 Roof Opening /2 Sq / /4 23-7/ SRSH-B Wheel Diameter - 1 (FPM) x Maximum Maximum -.2 x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) lbs. Curb - RCG, RCA - 16 Roof Opening /2 Sq / /4 23-7/

10 Data SRSH-B SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 7 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 8 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 9

11 1-135 SRSH-B Data 1 SRSH-B Wheel Diameter - 1 (FPM) x Maximum Maximum -.29 x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) lbs. Curb - RCG, RCA - 16 Roof Opening /2 Sq /4 29-1/4 23-7/ SRSH-B Wheel Diameter - 12 (FPM) x Maximum - 26 Maximum -.75 x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 18 Roof Opening /2 Sq / / / SRSH-B Wheel Diameter (FPM) x Maximum - 21 Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 18 Roof Opening /2 Sq / /4 25-5/

12 Data SRSH-B SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 12 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 135 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 11

13 15-18 SRSH-B Data 15 SRSH-B Wheel Diameter - 15 (FPM) x Maximum Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq / / / SRSH-B Wheel Diameter - 16 (FPM) x Maximum Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq / /16 3-1/ SRSH-B Wheel Diameter - 18 (FPM) x Maximum - 26 Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq. 1-1/2 47-9/ / /

14 Data SRSH-B SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / / / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 165 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / SRSH-B / / / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 18 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP 1/ / / SRSH-B 1/ / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 13

15 SRSH-B Data 195 SRSH-B 2.5 Wheel Diameter (FPM) x Maximum - 21 Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq. 1-1/ / / / SRSH-B Wheel Diameter - 21 (FPM) x Maximum Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq. 49-3/4 49-3/4 38-5/ / SRSH-B Wheel Diameter (FPM) x Maximum Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq. 49-3/4 49-3/4 35-5/ /

16 Data SRSH-B SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP 1/ / / SRSH-B 1/ / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 21 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP 1/ / / / SRSH-B 3/ / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 225 SRSH-B SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP / / SRSH-B 1/ / / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 15

17 Data SRSH-B SRSH-B Wheel Diameter (FPM) x Maximum - 26 Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 22 Roof Opening /2 Sq. 245 SRSH-B 1-1/2 52-1/ / / / / SRSH-B / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 52-1/4 4-1/2 3 SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP SRSH-B 1.5 Wheel Diameter - 27 (FPM) x Maximum - 21 Maximum x (/1) 3 Maximum Frame - 48 Shipping Weight (Less ) - 3 lbs. Curb - RCG, RCA - 34 Roof Opening /2 Sq SRSH-B 1-1/ SP 1/8 SP 1/4 SP 3/8 SP 1/2 SP 5/8 SP 3/4 SP 7/8 SP 1 SP 1-1/4 SP 1-1/2SP 1/ / / SRSH-B 3/ / Performance shown is for Installation Type A: free inlet, free outlet. Power rating () does not include drive losses. Performance ratings do not include the effects of appurtenances 3

18 SRSH - March 22

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