Cryogenic Rebar Splicing Systems

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Cryogenic Rebar Splicing Systems

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LENTON® Position Couplers

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Cryogenic Rebar Splicing Systems

Cryogenic Rebar Splicing Systems Print this page

Cryogenic rebar splicing systems are an extension to the LENTON® line of concrete reinforcement products available from ERICO®. Our products provide the ideal splicing solution for joining rebar in cryogenic construction applications. By combining the LENTON taper-threaded couplers with state-of-the-art materials, we have developed one of the slimmest couplers on the market, while still maintaining top performance.

LENTON brand of cryogenic rebar splicing systems should be specified whenever cryogenic-grade rebar is used or when during normal operating or emergency conditions the temperature falls below -20° C (-4° F). Typical construction projects include LNG and LPG storage tanks.

Features

Designed for use in structures built in accordance with BS 7777 Part 3 and EN 14620-3
Utilizes the time-tested, field-proven LENTON taper thread
Taper thread eliminates crossthreading
Easy to install
Slim coupler design reduces need for concrete cover
Reduces rebar congestion

Benefits:

Improved performance and reliability at cryogenic temperatures (-165° C / -265° F)
Available for a wide range of applications
Small coupler diameter helps minimize cover and helps eliminate congestion
Unique taper thread requires no lock nuts and provides a positive locking, no-slip connection
Requires no special skill and reduces labor costs

Performance:

At ambient temperatures, the cryogenic couplers are intended for use in reinforced concrete structures designed and built in accordance with major international building codes, such as ACI® 318 Types 1 & 2, DIN 1045 and BS8110. At cryogenic temperatures, the tensile strength of the splice meets or exceeds the yield strength of an unnotched bar. This is known as the Notch Sensitivity Ratio (NSR).*

NSR= Tensile strength for LENTON brand of cryogenic splice > 1
Lower yield strength of unnotched bar

Uniform elongation at maximum load on cryogenic spliced bars is a minimum of 1%.

_{*Note: In the absence of any current codes governing the use of splicing systems for cryogenic applications, we have applied the reinforcing bar test criteria utilized in BS 7777 Part 3 and EN 14620-3. Construction codes BS 7777 Part 3 and EN 14620-3 are the most often applied standards for the design and construction of flat-bottomed, vertical, cylindrical storage tanks for low-temperature service.}

Applications

Cryogenic rebar splicing systems provide the ideal splicing solution for joining rebar in extreme low temperatures and cryogenic construction applications.

More Information

A12
LENTON® standard couplers are designed to splice the same diameter bars where one bar can be rotated and the bar is not restricted in its axial direction.
_{Reducers / Transitions available upon request.}

Rebar Size Designations				Part No.	A (diameter)		B (length)		D		Weight
ASTM	Metric	Canadian	Soft Metric	Part No.	in.	mm	in.	mm	in.	mm	lb	kg
#4	12	10 M	13	EL12A12CRN	0.75	20	1.96	50	0.75	19	0.2	0.09
	14		14	EL14A12CRN	0.75	20	2.19	56	0.83	21	0.2	0.09
#5	16	15 M	16	EL16A12CRN	1.00	25	2.41	61	0.94	24	0.4	0.16
#6	20	20 M	19	EL20A12CRN	1.25	30	3.41	87	1.38	35	0.8	0.32
8	25	25 M	25	EL25A12CRN	1.38	35	3.80	97	1.57	40	1.0	0.44
9	28	30 M	29	EL28A12CRN	1.50	40	3.97	101	1.65	42	1.1	0.61
10	32		32	EL32A12CRN	1.75	45	4.23	108	1.77	45	1.7	0.79

P14
The P14 style couplers are designed to splice two curved, bent or straight bars when neither bar can be rotated and where the on-going bar is free to move in its axial direction. Typical applications for these couplers are for the splicing of pile cages. The P14 position coupler can be separated in two pieces for application against form work.
_{Reducers / Transitions available upon request.}

Rebar Size Designations				Part No.	A (diameter female)		B (length female)		Fc		Fo (max)		D		Weight
ASTM	Metric	Canadian	Soft Metric	Part No.	in.	mm	in.	mm	in.	mm	in.	mm	in.	mm	lb	kg
#4	12	10 M	13	EL12P14LCRN	1.00	25	1.82	46	2.03	51	2.29	58	0.75	19	0.6	0.27
	14		14	EL14P14LCRN	1.00	25	2.01	51	2.11	54	2.37	60	0.83	21	0.6	0.27
#5	16	15 M	16	EL16P14LCRN	1.25	30	2.13	54	2.26	58	2.53	65	0.94	24	1.1	0.45
#6	20	20 M	19	EL20P14LCRN	1.38	35	2.98	76	3.00	76	3.45	88	1.38	35	1.8	0.78
8	25	25 M	25	EL25P14LCRN	1.75	45	3.37	83	3.27	83	3.71	95	1.57	40	2.9	1.36
9	28	30 M	29	EL28P14LCRN	2.00	50	3.54	85	3.36	85	3.81	97	1.65	42	3.9	1.77
10	32		32	EL32P14LCRN	2.25	60	3.78	96	3.76	96	4.22	107	1.77	45	5.6	2.36

_{ACI is a registered trademark of the American Concrete Institute.}

Due to a policy of continued product development, specifications are subject to change without notice.

CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH, and LENTON are registered trademarks of ERICO International Corporation.

Warning, Warranty and Limitation of Liability

WARNING
ERICO products shall be installed and used only as indicated in ERICO's product instruction sheets and training materials. Instruction sheets are available at www.erico.com and from your ERICO customer service representative. Improper installation, misuse, misapplication or other failure to completely follow ERICO's instructions and warnings may cause product malfunction, property damage, serious bodily injury and death.

WARRANTY
ERICO products are warranted to be free from defects in material and workmanship at the time of shipment. NO OTHER WARRANTY, WHETHER EXPRESS OR IMPLIED (INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE), SHALL EXIST IN CONNECTION WITH THE SALE OR USE OF ANY ERICO PRODUCTS. Claims for errors, shortages, defects or nonconformities ascertainable upon inspection must be made in writing within 5 days after Buyer's receipt of products. All other claims must be made in writing to ERICO within 6 months from the date of shipment or transport. Products claimed to be nonconforming or defective must, upon ERICO's prior written approval in accordance with its standard terms and procedures governing returns, promptly be returned to ERICO for inspection. Claims not made as provided above and within the applicable time period will be barred. ERICO shall in no event be responsible if the products have not been stored or used in accordance with its specifications and recommended procedures. ERICO will, at its option, either repair or replace nonconforming or defective products for which it is responsible or return the purchase price to the Buyer. THE FOREGOING STATES BUYER'S EXCLUSIVE REMEDY FOR ANY BREACH OF ERICO WARRANTY AND FOR ANY CLAIM, WHETHER SOUNDING IN CONTRACT, TORT OR NEGLIGENCE, FOR LOSS OR INJURY CAUSED BY THE SALE OR USE OF ANY PRODUCT.

LIMITATION OF LIABILITY
ERICO excludes all liability except such liability that is directly attributable to the willful or gross negligence of ERICO's employees. Should ERICO be held liable its liability shall in no event exceed the total purchase price under the contract. ERICO SHALL IN NO EVENT BE RESPONSIBLE FOR ANY LOSS OF BUSINESS OR PROFITS, DOWNTIME OR DELAY, LABOR, REPAIR OR MATERIAL COSTS OR ANY SIMILAR OR DISSIMILAR CONSEQUENTIAL LOSS OR DAMAGE INCURRED BY BUYER.