SRSH: Tamper Proof Downblast Centrifugal Exhaust Ventilators

  • SRSH
  • Standard Construction Features
  • Standard Construction Features
SRSH

SRSH

Standard Construction Features

Standard Construction Features

Standard Construction Features

Standard Construction Features

Certifications Logos

Certifications, vary by model

Provide maximum performance and durability in a wide variety of commercial and industrial air moving applications.

 

Related Documents

See the Downloads tab for specifications, submittals and FanDrafter files

See also AC: Centrifugal Roof and Wall Exhauster Ventilators
See also VCR: Restaurant Upblast Centrifugal Roof Exhaust Ventilator

  • SRSH-D

  • SRSH-B

  • Downloads

AC

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.

Type SRSH-D is furnished standard with UL 705 and c UL 705 listings (Power Ventilator/ZACT).


SRSH-D 

Tamper Proof
Downblast Centrifugal
Exhaust Ventilator Roof
Mounted/Direct Drive

Description: Fan shall be a galvanized steel, tamper proof, roof mounted, direct drive, downblast centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan 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 10 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 100% 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 204-96, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be NEMA design B with a minimum of class B insulation rated for continuous duty and furnished at the specified voltage, phase and enclosure.

Product: Fan shall be model SRSH-D as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A B C D T Sq. Roof Opening
Square*
Approx. Ship
Wt.-Lbs.

60

23-7/16

1

29-1/4

2

18

13-1/2

100

65

23-7/16

1

29-1/4

2

18

13-1/2

100

70

23-7/16

1

29-1/4

2

18

13-1/2

100

75

23-7/16

1

29-1/4

2

18

13-1/2

100

80

23-7/16

1

29-1/4

2

18

13-1/2

100

85

23-7/16

1

29-1/4

2

18

13-1/2

100

100

23-7/16

1

29-1/4

2

18

13-1/2

100

120

24-11/16

1

32-11/16

2

20

15-1/2

117

135

25-5/8

1

33-3/4

2

20

15-1/2

121

150

29-9/16

1

38-13/16

2

24

19-1/2

156

165

30-1/2

1

39-15/16

2

24

19-1/2

162

180

36-7/16

1-1/2

47-9/16

3

30

25-1/2

226

All dimensions in inches. *Roof opening size for curbs supplied by LOREN COOK COMPANY only.

AC

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.

Type SRSH-B is furnished standard with UL 705 and
cUL 705 listings (Power Ventilator/ZACT) when furnished with factory supplied motor.


SRSH-B 

Tamper Proof
Downblast Centrifugal
Exhaust Ventilator Roof
Mounted/ Belt Drive

Description: Fan shall be a galvanized steel, tamper proof, roof mounted, belt driven, downblast centrifugal exhaust ventilator.

Certifications: Fan shall be manufactured at an ISO 9001 certified facility. Fan shall be listed by Underwriters Laboratories (UL 705) and UL listed for Canada (cUL 705). Fan 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 100 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 204-05, Balance Quality and Vibration Levels for Fans.

Motor: Motor shall be Nema design B with class B insulation rated for continuous duty 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 L50 life in excess of 200,000 hours at maximum cataloged operating speed.

Belts & Drives: Belts shall be oil and heat resistant, static conducting. Drives shall be precision machined cast iron type, keyed and securely attached to the wheel and motor shafts. Drives shall be sized for 150 percent of the installed motor horsepower. The variable pitch motor drive must be factory set to the specified fan RPM.

Product: Fan shall be model SRSH-B as manufactured by LOREN COOK COMPANY of Springfield, Missouri.

Dimensions (Inches)

ACEd dimension drawing

Size A B C D T Sq. Roof Opening
Square*
Approx. Ship
Wt.-Lbs.

60

23-7/16 1 29-1/4 2 18 13-1/2 133

70

23-7/16 1 29-1/4 2 18 13-1/2 133

80

23-7/16 1 29-1/4 2 18 13-1/2 133

100

23-7/16 1 29-1/4 2 18 13-1/2 133

120

24-11/16 1 32-11/16 2 20 15-1/2 150

135

26-1/4 1 33-3/4 2 20 15-1/2 154

150

29-17/32 1 38-13/16 2 24 19-1/2 190

165

30-15/32 1 39-15/16 2 24 19-1/2 195

180

36-7/16 1-1/2 47-9/16 3 30 25-1/2 264

195

37-11/16 1-1/2 48-11/16 3 30 25-1/2 270

210

38-9/32 1-1/2 49-3/4 3 30 25-1/2 277

225

39-7/32 1-1/2 50-13/16 3 30 25-1/2 287
240 40-15/32 1-1/2 52-1/4 3 30 25-1/2 297
270 46 1-1/2 60 3 36 31-1/2 378
All dimensions in inches. *Roof opening size for curbs supplied by LOREN COOK COMPANY only.

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