Standard construction :
Frame: 8"x11/4"x16ga. galvanized steel channel with comer braces.
Flange: Corner 0.4" dia. x 8 EA for installation bolt holes.
Blades: 6" width 16ga. galvanized steel. Approx 6" on center.
Linkage: Concealed in frame or face linkage inside of air stream.
Bearings: sleeve bearing
Axles: 1/2" dia. galvanized steel.
MIN. Damper size: PB single blade-5" W x 4" H, OB-8" W x 14" H
MAX. Section size: 48" x 72"
MAX. damper size: unlimited.
Hand quadrant: for manual operation
Steel construction: welded constructions
Axles: bolted to blade and tag welded.
Finish: Galvanized steel zinc plated hardware.
Installation instruction
Air flow rate control between Duct and Duct bolt conection
Variations(at extra charge)
1. Special finish
2. Special material: alum., stainless steel, etc.
3. Special blade seals and axle shaft seals
4. Special thickness of blade or frame.
Standard construction
Frame: 20ga. galvanized steel.
Blade: Single blade 20ga. galvanized steel
Axle: 3/8" dia. galvanized steel bolted to blade
Max. section size: 18" dia.
Min. section size: 4" dia.
Hand Quadrant: for manual operation
Installation instruction
Air flow rate control
Between Duct and Duct bolt connection
Variations
1. Special finishes
2. special materials
3. Special thickness of blade or frame
Note
1/8" deducted "D" unless otherwise specified.
Standard construction
Frame: 8"x11/4"x16ga. galvanized steel channel
Flange: Corner 0.4" dia. x 8 EA for installation bolt holes.
Blades: 22"Ga. galvanized steel upto 36" length.
22"Ga. galvanized steel upto 48" length
Min blade dimension: 6"
Linkage: Concealed in frame or face linkage inside of air stream.
Bearings: sleeve bearing
Axles: 1/2" dia. galvanized steel.
MIN. Damper size: PB single blade-5" W x 4" H
MAX. Section size: 48" x 72"
MAX. damper size: 72" x 72"
Steel construction: welded constructions
Axles: bolted to blade and tag welded.
Finish: Galvanized steel zinc plated hardware.
Installation instruction
Air flow rate control between duct and duct bolt conection
Variations(at extra charge)
1. Special finish
2. Special material: alum., stainless steel, etc.
3. Special blade seals and axle shaft seals
4. Special thickness of blade or frame.
Gate valve:
Solid wedge and flexible wedge disk
Parallel slide disk
Double disk
Globe valve:
T-pattern, Y pattern
Bellows seal type
Metal diaphragm type
Angle type
Check valve:
Swing check and lift check
Tilting disk check
Non-return type/stop check
Balanced disk type(open and remain at 1.5 gpm)
Testable check valve:
Control tyope cracking pressure check valve
Special valve:
Flap check valve
Continuous blow down valve
Drain valve(for high pressure admission line)
Controlled closure check valve(CCCV)
Bleed trip valve(Reverse current check valve)
Feed water heater level control valve
Re-heater spray injection control valve
Super heater spray injection control valve
Boiler feed water pump minimum flow control valve
Electromagnet operated valve(power control valve).
Export standard packing.
Samshin valves
Gate valve
Solid wedge and flexible wedge disk
Parallel slide disk
Double disk .
Globe valve
T-pattern, Y pattern
Bellows seal type
Metal diaphragm type
Angle type.
Export standard packing.
