300 Series Standard Duty Curved Track
- H&H 300 Series is a versatile track that can be used for straight or curved applications in TV studios, theatres, and other facilities. It can be curved at the factory or on the job to suit the project requirements. Walk-along tracks can be curved to virtually any shape and length. However, cord-operated tracks cannot be rigged with reverse curves and are recommended for lengths up to 60′. Serpentine layouts and long lengths require using a 500 Series track for cord operation.
- The ease of operation of a 300 Series track depends on several factors, including the radius of the curve. In general, the track operates best around gentle curves. It is recommended that layouts be designed with a radius of 4 feet or larger whenever possible. Tighter curves will result in a system that requires additional effort to operate.
- A variety of track-switching devices are available for use with 300 Series Walk-Along tracks.
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300 Series_Product Data Sheet
Curtain Track Selection Guide
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300 Series Standard Duty Curved Track
Product | SKU | Description | Zinc Part No. | Black Part No. |
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301B | 2 Delrin wheels riveted to formed steel body with swivel hook and trim chain. Nylatron glide strips reduce friction and noise. Supplied with 2 rubber bumpers. | No. 301 - Zinc plated | No. 301B - Black finish | |
302B | 2 Delrin wheel assemblies with swivel hooks and trim chains pivot on the formed steel body. 2 clamps for anchoring the operating line or cable. Supplied with 2 rubber bumpers. 1 pair is required for overlapping tracks. | No. 302 - Zinc plated | No. 302B - Black finish | |
303B | 4" diameter Nylatron GS sheaves with shielded ball bearings. Steel housing clamps to track. | No. 303 - Zinc plated | No. 303B - Black finish | |
303M | Heavy-duty 4" diameter Nylatron GSM sheaves with sealed precision ball bearings. Steel housing clamps to track. 3/16" groove for use with motorized tracks. | No. 303M | ||
304B | 4" diameter Nylatron GS sheave with shielded ball bearings. Steel housing clamps to track. For use with bi-parting tracks. | No. 304 – Zinc plated | No. 304B - Black finish | |
304A | 2-1/2” diameter steel sheave with sealed precision ball bearings. Steel housing clamps to track. For one-way draw operation. | No. 304A | ||
304M | Heavy-duty 4" diameter Nylatron GSM sheave with sealed precision ball bearings. Steel housing clamps to track. 3/16" groove for use with bi-parting motorized tracks. | No. 304M | ||
305B | Formed steel clamps are used to align the track at overlap. Tracks on 2 11/16" centers for straight overlap. 1 set pictured. | No. 305 straight overlap- Zinc plated | No. 305B straight overlap- Black finish. | |
305AB | Formed steel clamps are used to align the track at overlap. Tracks on 4 3/4" centers for curved overlap. 1 set pictured. | No. 305A curved overlap - Zinc plated | No. 305AB curved overlap - Black finish | |
306B | Formed steel brackets clamp to track. Adjusts to any position. Suspend the track with a welded chain or wire rope. 1 pair pictured. | No. 306 - Zinc plated. | No. 306B - Black finish | |
307B | Aluminum plates align and lock track sections together. The track must be straight at the joint. 1 pair pictured. | No. 307 - Zinc plated | No. 307B - Black finish | |
307FX | Hardened tool steel drill fixture for field drilling track for 307 splices. | No. 307FX | ||
308B | 4" diameter Nylatron GS sheave with shielded ball bearings. Spring in steel housing maintains line tension. | No. 308 - Zinc plated | No. 308B - Black finish. | |
309B | Formed steel bracket bolts to track to support the operating line and prevent carriers from traveling beyond the desired location. 1 pair is required for overlapping tracks. | No. 309 - Zinc plated | No. 309B - Black finish. | |
310B | 6063-T5 extruded aluminum 1" wide x 2-1/2" high, .125" thick. | No. 310 - Mill finish. 10', 20' and 24' stock lengths. | No. 310B - Class 1 black anodized. 20' stock length. | |
311B | Steel plate mounts flush to the ceiling. Track clamps to bracket with offset clips. | No. 311 - Zinc plated. | No. 311B - Black finish. | |
312 | Steel form designed for manual bending of aluminum tracks. Must be anchored to the floor or stationary table. | No. 312 | ||
313 | Heavy steel form designed for manual, on-the-job bending of aluminum tracks. | No. 313 | ||
314 | 1/4" diameter black polyester braided over Dyneema core for manual operation. | No.314 | ||
316B | A nylon-tired shielded ball bearing wheels riveted to a steel body with a swivel hook and trim chain. Nylatron glide strips reduce friction and noise. Supplied with 2 rubber bumpers. | No. 316 - Zinc plated | No. 316B - Black finish | |
317B | 2 Nylon-tired shielded ball bearing wheel assemblies with swivel hooks and trim chains pivot on formed steel body. 2 clamps for anchoring operating line or cable. Supplied with 2 rubber bumpers. 1 pair required for overlapping tracks. | No. 317 - Zinc plated. | No. 317B - Black finish | |
318B | The forged steel housing contains two ball-bearing guides that allow the operating line to follow a curve. For bi-parting tracks, the housing is mounted to the inside of the curve on the double-end pulley section of the track. | No. 318 - Zinc plated. | No. 318B - Black finish. | |
319B | The forged steel housing contains one ball-bearing guide for the operating line to follow the track curve. For bi-parting tracks, the housing is mounted to the inside of the curve on the single-end pulley section of the track. | No. 319 - Zinc plated. | No. 319B - Black finish. | |
320B | The forged steel housing contains one ball-bearing guide for the operating line to follow the track curve. For bi-parting tracks, the housing is mounted to the outside of the curve on the single-end pulley section of the track. | No. 320 - Zinc plated. | No. 320B - Black finish. | |
321B | Bolt with steel spacers to prevent carriers from traveling beyond the desired location. For use with walk-along tracks. | No. 321 - Zinc plated. | No. 321B - Black finish. | |
327 | Angle bracket with mounting clips to secure double tracks together in studios and small theatres. | No. 326, 6" track spacing. | No. 327, 8" track spacing. | |
328B | Neoprene-tired shielded ball bearing wheels riveted to formed steel body with swivel hook and trim chain. Nylatron glide strips reduce friction and noise. Supplied with 2 rubber bumpers. | No. 328 - Zinc plated. | No. 328B - Black finish. | |
329B | 2 Neoprene-tired shielded ball bearing wheel assemblies with swivel hook and trim chain pivot on formed steel body. Supplied with 2 clamps for anchoring operating line or cable. Supplied with 2 rubber bumpers. 1 pair is required for overlapping tracks. | No. 329 - Zinc plated. | No. 329B - Black finish. | |
335B | 3 or 6 links No.10 single jack chain added to carriers to provide 3" or 6" of curtain height adjustment. | no-335-3-zinc-plated no-335-6-6-zinc-plated |
no-335b-3-black-finish no-335b-6-6-black-finish |
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337 | Heavy steel construction with nylon-tired shielded ball bearing wheels and brake to keep the master carrier in the desired location. Equipped with swivels and trim chains for curtain attachment. Note: All carriers used with this device must have a trim chain of 6" total length. | No. 337 | ||
341 | The special steel housing contains 2-1/2" diameter Nylatron GS sheaves with shielded ball bearings. It is used when operating lines must be turned horizontally toward the curtain machine or mule block. | No. 341 | ||
342B | 2 Delrin wheel assemblies with swivel hook and trim chain pivot on steel connecting plate. Supplied with 2 rubber bumpers. 1 pair is recommended for each walk-along curtain. | No. 342 - Zinc plated. | No. 342B - Black finish. | |
342AB | The overlap arm is mounted to the modified 302 master to provide curtain overlap during single-track operation. 1 pair is recommended for each walk-along curtain. | No. 342A - Zinc plated. | No. 342AB - Black finish. | |
347B | 2 Nylon-tired shielded ball bearing wheel assemblies with swivel hook and trim chain pivot on steel connecting plate. Supplied with 2 rubber bumpers. 1 pair is recommended for each walk-along curtain. | No. 347 - Zinc plated. | No. 347B - Black finish. | |
347AB | The overlap arm is mounted to the modified 317 master to overlap the curtain during single-track operation. 1 pair is recommended for each walk-along curtain. | No. 347A - Zinc plated. | No. 347AB - Black finish. | |
349B | 2 Neoprene-tired shielded ball bearing wheel assemblies with swivel hook and trim chain pivot on steel connecting plate. Supplied with 2 rubber bumpers. 1 pair is recommended for each walk-along curtain. | No. 349 - Zinc plated. | No. 349B - Black finish. | |
352 | Factory bent with ends punched for splices. Each end has a 12" straight section before the curve begins for splicing. | no-351-3-4-radius no-351b-3-4-radius-class-1-black-anodized |
no-352-4-0-radius no-352b-4-0-radius-class-1-black-anodized |
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30B | Heavy steel construction with nylon-tired shielded ball-bearing wheels. Supplied with brackets for 1-3/8" O.D. pipe or tubing (6' max. recommended length). Allows masking draperies to be rotated to any angle. Working Load Limit: 60 pounds. | No. 30 - Zinc plated. | No. 30B - Black finish | |
30XB | Pivot device with a special plate to index rotation at 22-1/2 degree increments. Supplied with brackets for 1-3/8" O.D. pipe or tubing (6' max. recommended length). Working Load Limit: 60 pounds. | No. 30X - Zinc plated. | No. 30XB - Black finish. | |
30BKB | Spring-equipped arm with neoprene pad. Add to pivot device to prevent undesired movement along the track. | No. 30BK - Zinc plated. | No. 30BKB - Black finish. |