* Performance dependent on glass selection. Please contact your EFCO sales rep for project specific performance.

WATER RESISTANCE(ASTM E547 & E331)

AIR INFILTRATION(ASTM E283)

CRF(AAMA 1503)

U-FACTOR*(ANSI/NFRC 100/200)

STC*(ASTM E90 & E413)

OITC*(ASTM E90 & E413)

STRUCTURAL LOAD(ASTM E330)

AAMA RATING(A440)

FORCED ENTRY(ASTM F588 OR F842)

ACCESSIBILITY(AAMA 513)

S TA N D A R D F E AT U R E S

1000 COUNTY RD • MONETT, MO 65708 • 800.221.4169 • efcocorp.com Disclaimer: Info subject to change at any time Updated: 12/2019

S E R I E S 4 5 0 X / 4 5 0 G

• 35 mm E-StrutTM thermal isolator• Vertical or horizontal stacking members• Dual glazing with optional integral blinds• Pressure equalization• Angle reinforced vent corners• Wide variety of locking and operating

hardware available• Accessory line of subframes, mullions, and

architectural sills• Anodized or painted finishes available• Screen frames of extruded aluminum alloy

are available• Snap-In grid available with 450G version

The 450X and 450G XTherm™ window series, were developed to meet the increasing energy-effi-ciency demands of today’s marketplace. The deeper, strutted thermal break allows for triple glazing while also providing superior thermal separation of the framing materials. This window system is an attractive and versatile product that can be utilized on a wide range of applications from educational, to office and healthcare facilities. Offered with a complete line of thermal subframes, mullions, and architectural sills, the 450X and 450G provide the complete solution for your fenestration needs.

FX: AW150PO: AW120

FX: <0.10 CFM/FT2

PO: <0.10 CFM/FT2

FX: +/- 225.56 PSFPO: +/- 180.45 PSF

FX: 15 PSFPO: 15 PSF

FX: 0.24 - 0.54PO: 0.36 - 0.59

FX: 75PO: 74

FX: 35 - 44PO: 34 - 43

FX: 28 - 34CSMT: 27 - 32

FX: GRADE 40PO: GRADE 40

YES (OUTSWING, INSWING, & PO ONLY)

Casement-Out

Project-Out

Locking Hardware

Operating Hardware

Reduced Motion & Operating Forces Hardware (AAMA 513)

Cam Handle Pole RingCam Handle

Pull Handle

4 Bar Armw/ Limit Stop

Keyed ReleaseLimit Arm

Concealed Hinge Keyed &

Non-keyedButt Hinge

Single Arm RotoOperator

Butt Hinge

Locking Hardware

Operating Hardware

Cam Handle Pole RingCam Handle

4 Bar Arm(Loose Rivet)

4 Bar Armw/ Limit Arm

4 Bar Arm Dual ShoeRoto Operator

Cam Handle Dual ShoeRoto Operator

4 Bar Arm(Loose Rivet)

Locking Hardware

Operating Hardware

Cam Handle Pole RingCam Handle

Locking Hardware

Operating Hardware

Cam Handle Pole RingCam Handle

4 Bar Arm

Casement-In

Project-In

325X & 450X WINDOW HARDWARE CHART

Butt Hinge Concealed Hinge Keyed & Non-keyed

Some hardware options and/or combinations may not be available due to size and weight limitations. Please contact your local sales rep for more information.

Applied SinglePoint Locking

Applied MultiPoint Locking

Roto Operator Friction Adjuster

Applied Multi PointLocking w/ Extended

Lock Handle

4 Bar Armw/ Limit Stop

Shim

Applied SinglePoint Locking

Access ControlLock

Friction Adjuster 4 Bar Armw/ Limit Stop

Access ControlLock

4 Bar Armw/ Limit Stop

4 Bar Armw/ Limit Stop

Shim

Access Control Lock

Pole Pull Ring

Access Control Lock

Lift Handle

Reduced Motion & Operating Forces Hardware (AAMA 513)

Reduced Motion & Operating Forces Hardware (AAMA 513)

Cam HandleApplied Multi Point

Locking w/ Extended Lock Handle

Butt Hinge