Bjerke Brothers, Inc.

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See Also: Single Cylinder Seed Cleaners

Bjerke Brothers, Inc.'s NS Series is the industry's leading line of indent cylinder length separators, and offers a full range of sizes, capacities, and configurations to meet every length separation application. With a modular design and two cylinder sizes - the NS-B and NS-S Series - numerous variations are available, with capacities ranging from 160 bu/hr up to 6,000 bu/hr.

Rigid enclosed frame construction and poly belt chain drives provide smooth, vibration-free performance with low energy consumption. Manufactured to the highest standards, all Crippen Northland Superior Indent Separators require only routine maintenance to ensure years of trouble-free operation. All parts subject to wear are readily accessible and easy to replace.

The rotating 23" or 17" diameter indent cylinder, case-hardened for optimum life, is the key component of the NS series separators. Available in a wide range of indent pocket sizes, NS cylinders can remove large or small material as desired to meet every separation requirement.

Simple operating adjustments allow for a wide variation of products to be separated by the NS Indent Cylinder Separators. The separating edge (A) can be raised or lowered, allowing the receiving trough (B) to catch desired liftings of shorter grains as they drop free from the cylinder indents (C). Turning the hand wheel (D) adjusts the position of the separating edge, with the pointer (E) showing the position on the indicator dial (F). The inspection door (G) allows observation of the cylinder separation process.

The liftings are transported out of the receiving trough by a screw conveyor. Grain line blades (H) connected to the bottom of the trough ensure a steady grain flow along the length of the indent cylinder. The flow of the unlifted longer material (tailings) exiting the cylinder is controlled by the adjustable retarder blade (I).

Standard Features

Two basic cylinder diameters: 23" (NS-B) or 17" (NS-S)
Long-wearing case hardened and reversible cylinder shells
Indent pockets available in wide range of sizes
Receiving trough adjustment for precise separation; dump position for complete clean-out
Retarder adjustment to maintain desired grain level
All controls accessible and easy to operate
Dual-drive configuration for 5-row high models
Poly drive belts for smooth performance and long life; no lubrication; maintenance-free
All wear components are readily accessible and easy to change

Options

Custom spouting configurations
Stainless steel, ceramic or urethane spouting liners for longer life
Cross screw conveyors from discharge spouts
Actuator-controlled trough adjustment
Chrome plated cylinder shells
Cylinder wear bands

Modular Design
Multi-cylinder arrangements from 1 to 30, up to 5 high and 6 wide provide complete flexibility to meet any application

Choice of Various Flow Options to Suit All Separation Requirements

Parallel flow is characterized by the same product flow directions for each cylinder row. From a main spout, the product is equally distributed to cylinder rows from one side of the machine.

Series flow allows for multi-separation from one stream and is characterized by the counter-flow directions of the separated product for each cylinder row. The product enters the first cylinder row and flows back through the row below.

Parallel and Series flows may be combined in one machine as shown below:

B-Series Multi-Cylinder Separators - Machine Specifications: Cylinder Speed: 47 - 52 RPM
Model	Configuration *		Capacity ** (Wheat)		Power Requirements		Overall Length		Overall Width		Overall Height		Net Weight
	Overall	Column	Capacity ** (Wheat)		Power Requirements		Overall Length		Overall Width		Overall Height		Net Weight
	#H - #W	#S - #T	Bu/Hr	T/Hr	HP	kW	Inch	MM	Inch	MM	Inch	MM	Lbs	Kg
S1	1 - 1	1 - 0	160	5
S12	2 - 1	1 - 1	370	10
S13	3 - 1	2 - 1	585	16
S22	2 - 2	1 - 1	740	20
S23	3 - 2	2 - 1	1170	32
S32	2 - 3	1 - 1	1112	30
NS-B8	4 - 2	2 - 2	1485	41	7.5	5.6	120	3048	53	1346	138	3505	6400	2903
NS-B9	3 - 3	2 - 1	1760	48	7.5	5.6	120	3048	78	1981	111	2819	7200	3266
NS-B12	3 - 4	2 - 1	2350	64	10	7.5	129	3277	103	2616	111	2819	9600	4355
NS-B12	4 - 3	2 - 2	2230	61	10	7.5	123	3124	78	1981	137	3480	9600	4355
NS-B15	3 - 5	2 - 1	2435	66	15	11.2	120	3048	128	3251	112	2845	12000	5443
NS-B15	5 - 3	3 - 2	2880	79	7.5 & 5	5.6 & 3.7	136	3454	99	2515	168	4267	12500	5670
NS-B16	4 - 4	2 - 2	2970	81	15	11.2	120	3048	103	2616	144	3658	12800	5806
NS-B20	4 - 5	2 - 2	3715	101	15	11.2	120	3048	128	3251	155	3937	16000	7528
NS-B20	5 - 4	3 - 2	3835	105	10 & 7.5	7.5 & 5.6	136	3454	124	3150	168	4267	16700	7575
NS-B25	5 - 5	3 - 2	4795	131	15 & 7.5	11.2 & 5.6	139	3531	149	3785	168	4267	21000	9526
NS-B30	5 - 5	3 - 2	6000	163	15 & 10	11.2 & 7.5	136	3454	174	4420	170	4318	25000	11340
* H = # High (Rows), W = # Wide (Columns); S = Splitting Rows, T = Tailing Rows ** Capacities for Series Flows

S-Series Multi-Cylinder Separators - Machine Specifications: Cylinder Speed: 56 RPM
Model	Configuration *		Capacity ** (Wheat)		Power Requirements		Overall Length		Overall Width		Overall Height		Net Weight
	Overall	Column	Capacity ** (Wheat)		Power Requirements		Overall Length		Overall Width		Overall Height		Net Weight
	#H - #W	#S - #T	Bu/Hr	T/Hr	HP	kW	Inch	MM	Inch	MM	Inch	MM	Lbs	Kg
NS-S8	4 - 2	2 - 2	1375	38	5	3.7	116	2946	45	1143	118	2997	5800	2631
NS-S15	3 - 5	2 - 1	2720	74	10	7.5	116	2946	108	2743	101	2565	10800	4899
NS-S16	4 - 4	2 - 2	2750	75	10	7.5	116	2946	87	2210	125	3175	11600	5262
NS-S20	4 - 5	2 - 2	3440	94	10	7.5	116	2946	108	2743	118	2997	14000	6350
NS-S24	4 - 6	2 - 2	4130	113	15	11.2	116	2946	129	3277	118	2997	17500	7938
NS-S25	5 - 5	3 - 2	4440	121	10 & 7.5	7.5 & 5.6	134	3404	108	2743	146	3708	18000	8165
* H = # High (Rows), W = # Wide (Columns); S = Splitting Rows, T = Tailing Rows ** Capacities for Series Flows

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