Calibre Door Closers CA4001 Adjustable Spring Tension (ADA) Hydraulic Door Closers
FEATURES
■ Complies with ANSI A156.4 Grade 1.
■ Barrier Free Operation to comply with Federal Accessibility
Standards (ADA) and ANSI A117.1 (4,13,11).
■ Underwriters’ Laboratories Inc. Listed. Listed for UL10C for
positive pressure and certified to conform to UBC 7.2
(1997) BS476 for Fire Safety.
■ ADA (Handicap) multi-sized closer with adjustable spring
tension for a range of sizes adjustable after installation from
5 lbs. of Opening Force to spring Size 6.
DOOR CLOSER FUNCTIONS
CA4001...5 lb. Opening Force to Size 6. Adjustable spring power with fully adjustable Back-Check controlled by a separate regulating valve, adjustable after installation.
ADA Opening Force Requirements
Caution: Any manual door closer, installed and adjusted based on ADA or other reduced opening force requirements may not provide sufficient power to reliably close and latch the door.
■ Dual Speed Control Valves :Closing and Latching speeds controlled by separate regulating valves, adjustable after installation.
■ Universal application. Non-handed for Standard, Top Jamb, or Parallel Arm installation (Parallel Arm Bracket included).
■ Rack and pinion control mechanism contained in a high strength cast iron body for superior strength and durability.
■ Stable hydraulic door check fluid for any climatic operation and provides constant lubrication.
■ Furnished with regular arm. Hold-open arm (type 4300 optional). Hold-open arms are adjustable from 100° to 180°of door opening.
■ Series CA4000 includes high impact molded PVC Dress Cover, Sex nut and bolt set, and blade stop spacer.
■ Attractive Baked Enamel finishes :
AL - Aluminum
DU - Storefront Bronze
Resources
Manufacturer Resources
Product Specs
- Subcategory:
- Surface Mounted Closers
- Series:
- CA4000 Series
- Product Group:
- Door Controls
- Product Subgroup:
- Door Closers - Surface Mounted
- Product Type:
- Surface Mounted Door Closers
- Commercial/Residential:
- Commercial
- Grade:
- Grade 1
- Closer Size:
- Size 1-6
- Product Model:
- CA4001
- Door Hand Direction:
- Non-Handed
- Door Opening Size:
- 100° to 180°
- Product Category:
- Door Controls
- Department:
- Door Hardware
Calibre Door Closers CA4001-AL – Frequently Asked Questions
1) Will the Calibre CA4001 door closer meet ADA opening force requirements on an accessible entrance?
The CA4001 is built for barrier free operation and adjusts down to 5 lbs of opening force, which is how you meet Federal Accessibility Standards (ADA) and ANSI A117.1. The spring is adjustable after installation, so you set the force on the door rather than ordering a fixed size. One caution the manufacturer states plainly: any closer adjusted to a reduced opening force may not have enough power to reliably close and latch the door, so on a latched or weatherstripped opening you may need to trade some accessibility margin for positive latching.
2) Do I have to order a left hand or right hand version of the Calibre CA4001 closer?
No handing to specify. The CA4001 is non-handed and works for regular (hinge side), top jamb, or parallel arm installation, and the parallel arm bracket comes in the box. One part number covers every door swing in a building, which is why it works as a standardizing spec across a fleet of openings.
3) Can one Calibre CA4001 cover both interior offices and heavier exterior doors, or do I need different sizes?
One closer covers the range. The CA4001 is a multi-sized closer adjustable from 5 lbs opening force up through spring size 6, so the same unit handles a light interior door and a wide or heavy exterior door by adjusting the spring rather than swapping the closer. For a property manager or MRO buyer that means one SKU on the shelf for the whole building instead of a size-per-door inventory.
4) Is the Calibre CA4001 closer approved for a fire rated door?
Yes. The CA4001 is Underwriters' Laboratories Inc. Listed, listed to UL10C for positive pressure, and certified to conform to UBC 7.2 (1997) BS476 for fire safety. It also complies with ANSI A156.4 Grade 1. Note that a hold open arm is not appropriate on a fire door unless it is tied to the fire alarm; the CA4001 ships with a regular arm as standard.
5) What arm comes with the Calibre CA4001 and how do I get a hold open?
Standard build is the regular arm. If you want the door to stay open, specify the type 4300 hold open arm as an option; it is adjustable to hold anywhere from 100 to 180 degrees of door opening. Order the hold open arm at the same time as the closer, because the regular arm shipped as standard will not hold the door open at any point.
6) What is a straight Grade 1 barrier free surface closer equivalent to the Calibre CA4001?
The Cal-Royal 500S is the closest one-for-one match. Both are Grade 1 surface mounted hydraulic closers built for barrier free openings, and both carry adjustable back-check as a separate function rather than a fixed setting. The CA4001 adjusts from 5 lbs of opening force up to spring size 6 after installation, and it is non-handed for regular, top jamb, or parallel arm mounting with the parallel arm bracket included. The Cal-Royal N900PBF is a second barrier free Grade 1 surface closer in the same shape if you are standardizing on Cal-Royal across a facility.
7) Which closer should I use instead of the CA4001 on an exterior or high traffic opening?
Step up to a heavy duty body. The BEST EHD9000 Series is an extra heavy-duty Grade 1 surface closer with adjustable spring sizes 1-6, the BEST HD8000 Series is heavy duty Grade 1, and the Falcon SC71A Series is a heavy-duty Grade 1 surface-mount closer. The Sargent 1431 Powerglide is heavy duty Grade 1 with adjustable spring power. The CA4001 is a Grade 1 commercial closer with a rack and pinion mechanism in a cast iron body and a size 1-6 adjustable spring, but it is set up for barrier free opening force, and the description warns that any closer adjusted to ADA reduced opening force may not have the power to reliably close and latch the door - which is what makes a heavy duty body the better answer on a wind-loaded or heavily used entrance.
8) The CA4001 comes with a regular arm - what should I order if the opening needs hold open?
The CA4001 is furnished with a regular arm and takes an optional type 4300 hold-open arm adjustable from 100 to 180 degrees of door opening. If you would rather buy a closer that ships as a hold open unit, the Accentra 51 Series is supplied with a tri-packed hold open arm, and the Orca Hardware BHDC1958HO/PA is a hold open closer with parallel bracket. The Stanley Security A45-501HL is a long hold open arm, standard top jamb. Confirm the arm you order matches the mounting position you are using, since the CA4001 itself is non-handed for standard, top jamb, or parallel arm installation.
9) What is the difference between the Calibre CA4001 and a slide track or jamb track closer like the Corbin Russwin DC5230?
They mount differently. The CA4001 uses a conventional arm - regular arm furnished, non-handed for standard, top jamb, or parallel arm installation with the parallel arm bracket included. The Corbin Russwin DC5230 is a Grade 1 surface closer with a slide track arm as standard, pull side mounting, for 1-3/4 inch doors, and the Dorma 8916-JT is a Grade 1 jamb track closer for frame face mounting on the pull side with adjustable size 1-6 spring. A track closer is not a drop-in swap for an arm closer: the track has its own frame-face prep and a different projection, so if the door already has arm-closer prep, stay with an arm closer such as the Corbin Russwin DC3200, which is a Grade 1 regular arm surface mounted closer.
10) Is the Cal-Royal 400 Series an acceptable substitute for the CA4001?
Not if the specification calls for Grade 1. The Cal-Royal 400 Series is a Grade 2 commercial hydraulic door closer, while the CA4001 complies with ANSI A156.4 Grade 1. The same applies to the Falcon SC91A Series, a light duty cast aluminum surface closer at Grade 3. For a Grade 1 job on a drawing or an institutional standard, use a Grade 1 peer such as the Cal-Royal 700S Series dual valve sized closer or the Norton Rixson 8501A tri-mount closer with adjustable size 1-6 spring.
11) I need a closer that can be regular arm, top jamb, or parallel arm out of one box like the CA4001 - which other closers do that?
The CA4001 is non-handed for standard, top jamb, or parallel arm installation and includes the parallel arm bracket. Peers that ship the same way include the Dexter DCH1000, DCH4000, DCL2000 and DCM1000 Series, all Grade 1 surface closers described as tri mount for regular, parallel or top jamb mounting, the Norton Rixson 1601P Grade 1 tri-mount closer with 180 degree swing, and the Norton Rixson 1600 Series aluminum storefront closer with tri-style mounting. The Accentra 1101BF and 2701 Series and the Design Hardware 116, 316 and 416 Series are supplied with a tri-packed non-hold open arm. Buying tri-mount matters when you are stocking one closer for a mixed set of openings and will not know the mounting condition until the door is surveyed.
12) What is included in the box with a Calibre CA4000 Series closer, and what else do I need to order?
Every CA4000 Series closer comes with a high impact molded PVC dress cover, a sex nut and bolt set, and a blade stop spacer, plus the parallel arm bracket. The sex bolts matter on hollow core or aluminum doors where you cannot get reliable purchase with wood screws. What is not in the box: the type 4300 hold open arm if you want hold open, and a drop plate if your header or stop geometry does not leave room for the standard mounting.
13) Can I slow the closing speed and stop the door slamming into the wall with the CA4001?
Three separate adjustments handle that. Closing speed and latching speed each have their own regulating valve, and back-check is fully adjustable through a third separate valve, all adjustable after the closer is on the door. Back-check is what catches a door that gets thrown open in a wind gust or by a cart before it drives the arm into the wall, which is the usual reason a closer gets replaced early on an exterior opening.
14) Will the Calibre CA4001 hold up in an exterior door in cold weather?
The CA4001 uses a stable hydraulic door check fluid rated for any climatic operation, so closing speed does not go sluggish in winter and race in summer the way a temperature-sensitive fluid does. The mechanism is rack and pinion in a high strength cast iron body, and the whole closer is rated commercial and ANSI A156.4 Grade 1, which is the top grade in that standard.
15) What is a good alternative to the Calibre CA4001 if I need the same adjustable size 1-6 Grade 1 closer from another brand?
Several closers we carry cover the same ground. The Cal-Royal 500S is a Grade 1 barrier free closer with adjustable back-check, the closest match to the CA4001's accessibility plus back-check combination. The Norton Rixson 8501A is a Grade 1 tri-mount closer with an adjustable size 1-6 spring. The Arrow DCN325 is a Grade 1 surface closer with adjustable spring size 1-6 and regular/parallel arm tri-pack, though it ships less cover where the Calibre includes the PVC dress cover.
16) I need a hold open closer for a storeroom door, not an ADA barrier free one. What should I look at instead of the CA4001?
You can get there two ways. Add the type 4300 hold open arm to the CA4001, which holds from 100 to 180 degrees. Or go to a closer that is built around a hold open arm from the start: the Accentra 51 Series is a tri-packed hold open arm closer with adjustable size 1-6, and the Orca Hardware BHDC1958HO/PA is a hold open closer with a parallel bracket for 1-3/4 inch doors. Do not put a hold open arm on a fire rated opening unless it releases on alarm.
17) I have a Grade 2 closer failing on a high traffic door. Is the Calibre CA4001 a step up?
It is a different grade. The CA4001 complies with ANSI A156.4 Grade 1 with a rack and pinion mechanism in a cast iron body, where a closer like the Cal-Royal 400 Series is Grade 2. Grade 1 is the highest cycle and durability tier in A156.4, which is what you want on a lobby, corridor, or entrance door that gets constant use. If you want heavy duty specifically, the BEST EHD9000 Series is an extra heavy duty Grade 1 closer with adjustable spring sizes 1-6.
18) Can I adjust the Calibre CA4001 spring power after it is already mounted on the door?
Yes, and that is the point of the design. Spring power, back-check, closing speed, and latching speed are all adjustable after installation on the CA4001, each through its own regulating valve for the speeds. In practice you hang the closer, then tune the force at the door with a gauge until the opening reads where the accessibility requirement needs it, without pulling the unit back off.
19) I am matching an aluminum storefront entrance - is the CA4001 the right closer or is there a better fit?
The CA4001 comes in two baked enamel finishes, AL aluminum and DU storefront bronze, which are the two colors storefront entrances are normally specified in, and it is non-handed for standard, top jamb, or parallel arm mounting. The alternative built specifically for that opening is the Norton Rixson 1600 Series aluminum storefront door closer with tri-style mounting, heavy duty Grade 1. Choose on the duty the entrance sees and on which finish matches the existing frame.
20) I only need a light duty closer on an interior office door - what is a simpler alternative to the CA4001?
Light duty Grade 1 options include the BEST SL6000 Series with adjustable spring sizes, the Norton Rixson 160 Series light commercial surface closer with adjustable spring, and the Arrow DC314 from the DC300 Series. The Arrow DCN314 is a light duty tri-pack closer with adjustable spring size 1-4 supplied less cover, and the Arrow DCN325 is the same arrangement with spring size 1-6. Note that the DCN models come less cover, while the CA4001 is furnished with a high impact molded PVC dress cover, sex nut and bolt set, and blade stop spacer, so a less-cover closer needs the cover addressed separately if the door is in a finished space.
21) Which closers besides the CA4001 cover the full spring size 1 through 6 range on one body?
If you are standardizing one part number across doors of different widths and weights, the full-range adjustable closers are the CA4001 at size 1-6, the Accentra 2701 Series architectural closer with adjustable spring sizes 1-6, the Accentra 51 Series at size 1-6, the BEST EHD9000 Series with adjustable spring sizes 1-6, the Imperial USA TC4300 Series Grade 1 heavy duty size 1-6 ADA closer, the LCN 1450 with spring sizes 1-6, the Norton Rixson 8501A with adjustable size 1-6 spring, the Arrow DCN325 at spring size 1-6, and the Dorma 8916-JT at adjustable size 1-6. Narrower-range alternatives include the Accentra 1101BF at sizes 1-4, the Dormakaba 7414 at size 1-4, the Arrow DCN314 at size 1-4, and the LCN 1250 and LCN 1261 at sizes 1-5.
22) Does the CA4001 have delayed action, or do I need a different closer for that?
The CA4001 has separate regulating valves for closing speed, latching speed, and back-check, all adjustable after installation. If the opening needs a delayed action function - typical where a slow-moving occupant or a cart needs extra time to clear the door - the Orca Hardware BHDC1958DA/PA and BHDC2011DA/PA are delayed action closers with a regular arm and parallel bracket, both for 1-3/4 inch doors. Back-check and delayed action are not the same control: back-check cushions the door on the opening swing, while delayed action holds off the start of the close cycle.
23) The CA4001 has a cast iron body - which comparable closers are cast iron and which are aluminum?
The CA4001 contains its rack and pinion control mechanism in a high strength cast iron body. Cast iron peers include the LCN 1261 with adjustable spring sizes 1-5 and cast iron construction, and the Sargent 281 Powerglide cast iron closer, heavy duty Grade 1. Cast aluminum peers include the Falcon SC61A, SC81A and SC91A cast aluminum surface-mount closers, the LCN 1450 with cast aluminum construction, and the Sargent 1331 with a universal aluminum body. Body material drives weight and how the closer takes abuse, so it is worth matching when you are replacing a closer that has already survived the opening.
24) What is a medium duty Grade 1 alternative to the CA4001 for interior corridor doors?
Medium duty Grade 1 surface closers in the same class include the BEST HD7000 Series with adjustable spring power and backcheck control, the Sargent 1131 for medium-traffic commercial applications, the Sargent 1331 with a universal aluminum body, the Falcon SC81A cast aluminum closer, the Norton Rixson 1601P tri-mount closer with 180 degree swing, the Norton Rixson 8501A with adjustable size 1-6 spring, and the DORMA 7303 Series standard duty closer. The CA4001 remains the one to pick when the corridor door has to meet a barrier free opening force, since its spring adjusts from 5 lbs of opening force up to size 6 after installation.
25) Will the Arrow DCN500DP drop plate work with the Calibre CA4001?
No - the Arrow DCN500DP is a parallel drop plate for the Arrow DCN500, not a closer and not a Calibre accessory. For parallel arm mounting the CA4001 already includes the parallel arm bracket in the box, along with the PVC dress cover, sex nut and bolt set, and blade stop spacer. Order the drop plate only against the Arrow closer it is built for.
26) What finishes does the Calibre CA4001 door closer come in?
Two baked enamel finishes: AL aluminum and DU storefront bronze. The storefront bronze is the one to match dark anodized aluminum entrance framing; aluminum matches clear anodized and most painted hollow metal frames. Both ship with the molded PVC dress cover over the body.
27) Are the Stanley 327 and 341 wardrobe pivots an alternative to the CA4001?
No. Those are pivots, not closers - the Stanley 327 is a heavy wardrobe pivot for 1-3/8 inch or 1-3/4 inch doors up to 150 lbs, and the Stanley 341 is a wardrobe pivot for flush recessed or overlay doors 1-1/8 inch to 1-3/8 inch. Neither controls the closing cycle. The CA4001 is a hydraulic surface mounted closer with separate regulating valves for closing speed, latching speed, and back-check. If you need controlled closing, stay with a surface closer such as the Corbin Russwin DC6200 Series Grade 1 double lever regular arm closer or the Design Hardware 316 Series.
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