Load shackles

Underwater load shackles

James Fisher Strainstall’s load shackles are a robust and effective means of measuring tensile loads in a variety of applications.

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Built to withstand the demands of challenging environments, our load shackles are ideal for compact and reliable lifting and weighing operations across all industry sectors including marine, offshore and subsea.

We are experts in bespoke load shackle design, proving adaptive to the specificities of application. We also provide an in-house repair and calibration service, offering full flexibility when it comes to your lifting and weighing needs.

James Fisher Strainstall (JF Strainstall) designs and manufactures four types of load shackle including cabled load shackles, wireless load shackles, underwater load shackles and extreme temperature load shackles.

Download JF Strainstall's load shackle data sheet.

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JF Strainstall is able to take credit card payments for load shackles, so call now and place your order for fast delivery: +44 (0) 1983 203600.

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FEATURES AND BENEFITS

Precision engineered and highly accurate, our load shackles include a stainless steel pin and an innovative load bobbin design with a robust anti-rotation bracket to ensure the load is centralised and accurately monitored. This valuable and precise technology ensures loads are safely distributed and balanced to protect against overload situations and costly accidents.

Features and benefits of load shackles:

Designed and manufactured in the UK for high quality assurance
Robust construction for use in hostile environments
Easy to install, highly accurate and reliable
Long design life with corrosion protection
Bespoke solutions tailored to your specific needs
Supplied with full certificate of calibration
Innovative load bobbin design with anti-rotation bracket ensuring centralised, accurate loading

CABLED TYPICAL SPECIFICATIONS

Cabled load shackle typical specifications:

	mV/V output	mA output
Rated load	As required	As required
Proof load	150% of rate load	150% of rate load
Non-linearity	< ± 1% of full scale	< ± 1% of full scale
Non-repeatability	< ± 0.1% of full scale	< ± 0.1% of full scale
Zero balance	< ±0.1% of full scale	< ±0.1% of full scale
Environmental protection	IP67 / IP68	IP67 / IP68
Safety factor	3x	3x
Operating temperature	-25^oC to +70^oC	-25^oC to +70^oC
Storage temperature	-30^oC to +80^oC	-30^oC to +80^oC
Cable connection	Gland or connector	Gland or connector
Cable length	5m as standard	5m as standard
Output signal	mV/V	4-20mA
Electrical connection	4 core	2 or 3 wire
Recommended excitation voltage	10V	N/A
Maximum excitation voltage	15V	N/A
Recommended supply voltage	N/A	24V
Maximum supply voltage	N/A	30V
Bridge resistance	700 Ohm	N/A

WIRELESS TYPICAL SPECIFICATIONS

Wireless load shackle typical specifications:

	Wireless output
Rated load	As required
Proof load	150% of rate load
Non-linearity	< ± 1% of full scale
Non-repeatability	< ± 0.1% of full scale
Zero balance	< ±0.1% of full scale
Environmental protection	IP67 / IP68
Safety factor	3x
Operating temperature	-25^oC to +70^oC
Storage temperature	-30^oC to +80^oC
Output signal	Wireless
Data logging	On load cell
Battery type	4 x AA
Active battery type	Up to 350 hours
Standby battery type	Up to 1700 hours
Telemetry frequency	2.4Ghz ISM
System range	Up to 350m
Sampling rate	10Hz (500Hz max)

CABLED TYPICAL DIMENSIONS

Diagrams:

Front view

Side view

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Cabled load shackle typical dimensions:

	Load rating (tonnes)	Weight bow (kg)	Weight D (kg)	A mm	B mm	C mm	D mm	E mm	F mm	G mm (B)	G mm (D)	H mm (B)	H mm (D)	I mm (B)	J mm	K mm	L mm	M mm
8.5Te	8.5	2.6	2.5	43	93	59	28	44	25	95	85	164	154	68	159	110	50	54
12Te	12	4.9	4.5	51	115	72	35	50	32	115	94	201	180	83	209	119	50	55
17Te	17	8.2	7.6	60	136	88	42	63	38	146	127	249	230	99	242	131	50	57
25Te	25	14.2	12.9	74	164	103	50	88	45	178	149	300	271	126	276	136	60	57
35Te	35	19.9	17.4	83	183	111	57	88	50	197	171	331	305	138	297	160	75	57
55Te	55	39.6	35.3	105	235	145	70	114	65	260	203	433	376	180	347	180	88	55
85Te	85	62	53	127	273	162	83	125	75	329	339	527	427	190	391	205	100	55
120Te	120	110	N/A	150	328	200	95	152	89	380	N/A	617	N/A	238	440	N/A	N/A	50
150Te	150	160	N/A	170	374	230	108	165	102	400	N/A	671	N/A	275	493	N/A	N/A	50
200Te	200	235	N/A	180	420	260	140	190	120	500	N/A	813	N/A	290	550	N/A	N/A	50
300Te	300	340	N/A	205	465	305	150	254	130	600	N/A	958	N/A	305	600	N/A	N/A	50
400Te	400	560	N/A	230	560	350	175	254	165	680	N/A	1108	N/A	325	695	N/A	N/A	50
500Te	500	685	N/A	255	615	570	185	300	180	700	N/A	1158	N/A	350	750	N/A	N/A	55
600Te	600	880	N/A	285	675	405	205	300	195	700	N/A	1200	N/A	375	845	N/A	N/A	60
700Te	700	980	N/A	310	720	435	217	330	205	700	N/A	1231	N/A	400	890	N/A	N/A	60
800Te	800	1100	N/A	310	730	435	217	330	210	700	N/A	1236	N/A	400	900	N/A	N/A	60
900Te	900	1280	N/A	330	770	465	230	355	220	700	N/A	1268	N/A	420	944	N/A	N/A	60
1000Te	1000	1460	N/A	350	810	480	240	355	230	750	N/A	1290	N/A	420	953	N/A	N/A	60

(B) = Bow shackle

(D) = D shackle

WIRELESS TYPICAL DIMENSIONS

Diagrams:

Front view

Side view

View full image

Wireless load shackle typical dimensions:

	Load rating (tonnes)	Weight bow (kg)	Weight D (kg)	A mm	B mm	C mm	D mm	E mm	F mm	G mm (B)	G mm (D)	H mm (B)	H mm (D)	I mm (B)	J mm	K mm	L mm	M mm
8.5Te	8.5	2.6	2.5	43	93	59	28	44	25	95	85	164	154	68	224	200	100	119
12Te	12	4.9	4.5	51	115	72	35	50	32	115	94	201	180	83	274	200	100	119
17Te	17	8.2	7.6	60	136	88	42	63	38	146	127	249	230	99	304	200	100	119
25Te	25	14.2	12.9	74	164	103	50	88	45	178	149	300	271	126	338	200	100	119
35Te	35	19.9	17.4	83	183	111	57	88	50	197	171	331	305	138	361	200	100	121
55Te	55	39.6	35.3	105	235	145	70	114	65	260	203	433	376	180	410	210	110	118
85Te	85	62	53	127	273	162	83	125	75	329	339	527	427	190	454	220	120	118
120Te	120	110	N/A	150	328	200	95	152	89	380	N/A	617	N/A	238	482	N/A	N/A	92
150Te	150	160	N/A	170	374	230	108	165	102	400	N/A	671	N/A	275	535	N/A	N/A	92
200Te	200	235	N/A	180	420	260	140	190	120	500	N/A	813	N/A	290	615	176	80	115
300Te	300	340	N/A	205	465	305	150	254	130	600	N/A	958	N/A	305	665	203	100	115
400Te	400	560	N/A	230	560	350	175	254	165	680	N/A	1108	N/A	325	762	N/A	N/A	117
500Te	500	685	N/A	255	615	570	185	300	180	700	N/A	1158	N/A	350	817	N/A	N/A	122
600Te	600	880	N/A	285	675	405	205	300	195	700	N/A	1200	N/A	375	912	N/A	N/A	127
700Te	700	980	N/A	310	720	435	217	330	205	700	N/A	1231	N/A	400	957	N/A	N/A	127
800Te	800	1100	N/A	310	730	435	217	330	210	700	N/A	1236	N/A	400	967	N/A	N/A	127
900Te	900	1280	N/A	330	770	465	230	355	220	700	N/A	1268	N/A	420	1011	N/A	N/A	127
1000Te	1000	1460	N/A	350	810	480	240	355	230	750	N/A	1290	N/A	420	1020	N/A	N/A	127