304 Heavy-Duty Overhead Concealed Door Closer

Heavy glass requires a heavy-duty closer. The 304 Series maintains strong and lasting movement using the same castiron body as the 609 with a stronger spring.

Heavy-duty cast iron closer
Optional hold open assembly built into closer
Separate closing and latching valves
5 mm extended spindle
All weather fluid

Non-handed
Spring size 4
Double acting
Center hung
End load arms

Specifications

Closer: OHC-304

90° Back stop, non-hold open (OHC-304-90NHO)
90° Back stop, hold open (OHC-304-90HO)
105° Back stop, non-hold open (OHC-304-105NHO)
105° Back stop, hold open (OHC-304-105HO)
Closer mounting clips pre-installed into finished header tube (header specified separately)

Maximum Door Weight: Interior: 300 lbs; Exterior: 250 lbs

Maximum Door Width:

Interior 48"
Exterior 42"

Base Material:

Cast iron body
Radial ball bearing bottom pivot

Dimensions: 11-3/4" x 3-3/4" x 1-1/2"

Patents, Approvals, Listings

Meets ANSI/BHMA A156.4, Grade 1
UL 228

Downloads

304 Cut Sheet (.pdf) 304 Instruction Sheet (.) 304 Technical Sheet (.pdf) Heavy-Duty Closer Comparison Sheet (.pdf)

Finishes

Description	US	ANSI/BHMA
Bright Stainless Steel	32	629
Satin Stainless Steel	32D	630
Extra Dark Anodized Equivalent	314E	n/a
Black Suede Powder Coat	BSP
White Suede Powder Coat	WSP