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Hot Sales 508 Large Diameter Stringing Pulley Block Nylon Sheaves

Name: Hot Sales 508 Large Diameter Stringing Pulley Block Nylon Sheaves
Brand: Xiangshan Xinhai Electric Equipment Co., Ltd.
SKU: ETDrdtHPbykw
Price: 64.00 USD
Availability: InStock

US$64.00-298.00 1 Piece (MOQ)

Port:

Ningbo, China

Production Capacity:

2000pieces/Month

Payment Terms:

L/C, T/T, D/P

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Xiangshan Xinhai Electric Equipment Co., Ltd.

Zhejiang, China

Last Login Date:

Jun 09, 2025

Main Products:

Hardware Tools

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Product Description

Company Info

Basic Info.

Model NO.

508 Series Stringing Block

Type

Engine Powered Winch

Certification

ISO

Customized

Condition

New

Feature

Moistureproof

Trademark

Xinghai

Transport Package

Wooden Case

Specification

21.00cm * 17.00cm * 15.00cm

Origin

Ningbo, China

Product Description

This 508mm Large Diameter Stringing Block is adaptable to the conducting wire which has the aluminum's nominal cross-section of up to 400 square millimeters.

• Sheave dimension (outside diameter× root diameter × sheave width) 508×0408×75 (mm);
• Sheave dimension 508x408×100 (mm) can be customized.

Basic Info.

Model NO.	SHD508	Material	Mc Nylon
Number of sheaves	1&5	Control	Manual
Color	Customize	Application	Lifting Platform
Certification	ISO 9001:2000	Technics	Welding
Usage	Line Fittings	Rated Load	50K-150kn
Net Weight	51-200kg	Packing	Bulk Pack with Wooden Board
Sheave Features	Aluminum Wheel with Rubber Liner	Transport Package	Carton Box
Specification	50K-150kn	Trademark	XingHai
Origin	China	HS Code	8467890000
Production Capacity	2000PCS/Month

Detailed Photos

Product Parameters

Model	Sheave	Rated Load(KN)	Weight(KG)	Sheave
SHD508	1	20	18	Rubber lined aluminium sheave
SHS508	3	40	61	Middle:cast steel sheave Conductor:rubber lined aluminium sheave
SHW508	5	60	93
SHDN508	1	20	16	MC nylon sheave
SHSLN508	3	40	47	Middle:MCnylon sheave Conductor:rubber lined aluminium sheave
SHWLN508	5	60	79
SHSQN508	3	40	38	MC nylon sheave
SHWQN508	5	60	70	MC nylon sheave

Installation Instructions

Steel core aluminum stranded wire

Nominalcross section(MM²)	Root number/Diameter(MM)		Calculate the cross section(MM²)			Outer(MM)	Calculate the(N)	Calculate(KG/KM)
	Aluminum	Steel	Aluminum	Steel	A total of	diameter	breaking force	the weight
	Aluminum	Steel	Aluminum	Steel	A total of	diameter	breaking force	the weight
25/4	6/2.32	1/2.32	25.36	4.23	29.59	6.96	9290	102.6
35/6	6/2.72	1/2.72	34.86	5.18	40.67	8.16	12630	141.0
50/8	6/3.20	1/3.20	48.25	8.04	56.29	9.60	16870	195.1
50/30	12/2.32	7/2.32	50.73	29.59	80.32	11.60	42620	372.0
70/10	6/3.80	1/3.80	68.05	11.34	79.39	11.40	23390	275.2
70/40	12/2.72	7/2.72	69.73	40.67	110.40	13.60	58300	511.3
95/15	26/2.15	7/1.67	94.39	15.33	109.72	13.61	35000	380.8
95/20	7/4.16	7/1.85	95.14	18.82	113.96	13.87	37200	408.9
95/55	12/3.20	7/3.20	96.51	56.30	152.81	16.00	78110	707.7
120/20	26/2.38	7/1.85	115.67	18.82	134.49	15.07	41000	466.8
120/25	7/4.72	7/2.10	122.48	24.25	146.73	15.74	47880	526.6
120/70	12/3.60	7/3.60	122.15	71.25	193.40	18.00	98370	895.6
2050/8	18/3.20	1/3.20	144.76	8.04	152.80	16.00	32860	461.4
150/20	24/2.78	7/1.85	145.68	18.82	164.50	16.67	46630	549.4
150/25	26/2.70	7/2.10	148.86	24.25	173.11	17.10	54110	601.0
150/35	30/2.50	7/2.50	147.26	34.36	181.62	17.50	65020	676.2
185/10	18/3.60	1/3.60	183.22	10.18	193.40	18.00	40880	584.0
185/25	24/3.15	7/2.10	187.04	24.25	211.29	18.90	59420	706.1
185/30	26/2.98	7/2.32	181.34	29.59	210.93	18.88	64320	732.6
185/45	30/2.80	7/2.80	184.73	43.10	227.83	19.60	80190	848.2
210/10	18/3.80	7/3.80	204.14	11.34	215.48	19.00	45140	650.7
210/25	24/3.33	7/2.22	209.02	27.10	236.12	19.98	65990	789.1
210/35	26/3.22	7/2.50	211.73	34.36	246.09	20.38	74250	853.9
210/50	30/2.98	7/2.98	209.24	48.82	258.06	20.86	90830	960.8
240/30	24/3.60	7/2.40	244.29	31.67	275.96	21.60	75620	922.2
240/40	26/3.42	7/2.66	238.85	38.90	277.75	21.66	83370	964.3
240/55	30/3.20	7/3.20	241.27	56.30	297.57	22.40	102100	1108
300/15	42/3.00	7/1.67	296.88	15.33	312.21	23.01	68060	939.8
300/20	45/2.93	7/1.95	303.42	20.91	324.33	23.43	75680	1002
300/25	48/2.85	7/2.22	306.21	27.10	333.31	23.76	83410	1058
300/40	24/3.99	7/2.66	300.09	38.90	338.99	23.94	92220	1133
300/50	26/3.83	7/2.98	299.54	48.82	248.36	24.26	103400	1210
300/70	30/3.60	7/3.60	305.36	71.25	376.61	25.20	128000	1402
400/20	42/3.51	7/1.95	406.40	20.91	427.31	26.91	88850	1286
400/25	45/3.33	7/2.22	391.91	27.10	419.01	26.64	95940	1295
400/35	48/3.22	7/2.50	390.88	34.36	425.24	26.82	103900	1349
400/50	54/3.07	7/3.07	399.73	51.86	451.55	27.63	123400	1511
400/65	26/4.42	7/3.44	398.94	65.06	464.00	28.00	135200	1611
500/35	45/3.75	7/2.50	497.01	34.36	531.37	30.00	119500	1642
500/45	48/3.60	7/2.80	488.58	43.10	531.68	30.00	128100	1688
500/65	54/3.44	7/3.44	501.88	65.06	566.94	30.96	154000	1897
630/45	45/4.20	7/2.80	623.45	43.10	666.55	33.60	148700	2060
630/55	48/4.12	7/3.20	639.92	56.30	696.22	34.32	164400	2209
630/80	54/3.87	19/2.32	635.19	80.32	715.51	34.82	192900	2388
720/50	45/4.529	7/3.02	725.1	50.14	775.24	36.23	170600	2401
800/55	45/4.80	7/3.20	814.30	56.30	870.60	38.40	191500	2690
800/70	48/4.63	7/3.60	808.15	71.25	879.40	38.58	207000	2791
800/100	54/4.33	19/2.60	795.17	100.88	896.05	38.98	24110	2991
900/40	72/3.99	7/2.66	900	38.9	939	39.9	193780	2790
900/75	84/3.69	7/3.69	900	75.0	975	40.6	231750	3074
1000/45	72/4.21	7/2.80	1000	43.2	1043	42.1	220930	3100
1120/50	72/4.45	19/1.78	1120	47.3	1167	44.5	247700	3465
1120/90	84/4.12	19/2.47	1120	91.2	1121	45.3	307790	3812
1250/50	72/4.70	19/1.88	1250	52.8	1303	47.0	269140	3867
1250/70	76/4.58	19/2.14	1250	68	1320	47.34	289860	3999
1250/100	84/4.35	19/2.61	1250	102	1352	47.9	330290	4254

LJ type aluminium stranded wire

Nominal cross section(MM²)	Root number/ Diameter(MM)	Calculate the cross section(MM)	Outer diameter(MM)	Calculate the breaking force(N)	Calculate the weight(KG/KM)	Nominal cross section(MM²)	Root number/ Diameter(MM)	Calculate the cross section(MM)	Outer diameter(MM)	Calculate the breaking force(N)	Calculate the weight(KG/KM)
16	7/1.70	15.89	5.10	2840	43.5	185	19/3.50	182.80	17.50	28440	503.0
25	7/2.15	25.41	6.45	4355	69.6	210	19/3.75	209.85	18.75	32260	577.4
35	7/2.50	34.36	7.50	5760	94.1	240	19/4.00	238.76	20.00	36260	656.9
50	7/3.00	49.48	9.00	7930	135.5	300	37/3.20	297.57	22.40	46850	820.4
70	7/3.60	71.25	10.80	10950	195.1	400	37/3.70	397.83	25.90	61150	1097
95	7/4.16	95.14	12.48	14450	260.5	500	37/4.16	502.90	29.12	76370	1387
120	19/2.85	121.21	14.25	19420	333.5	630	61/3.63	631.30	32.67	91940	1744
150	19/3.15	148.07	15.75	23310	407.4	800	61/4.10	805.36	36.90	115900	2225

JLHA2 aluminum alloy strand

Nominal cross section(MM²)	Root number/ Diameter(MM)	Calculate the cross section(MM)	Outer diameter(MM)	Calculate the breaking force(N)	Calculate the weight(KG/KM)	Nominal cross section(MM²)	Root number/ Diameter(MM)	Calculate the cross section(MM)	Outer diameter(MM)	Calculate the breaking force(N)	Calculate the weight(KG/KM)
75	7/3.63	72.50	10.90	21390	198.3	360	37/3.53	363.00	24.7	106950	998.9
120	19/2.78	115.00	13.90	33950	316.3	465	37/3.98	460.00	27.9	135810	1268.4
145	19/3.10	144.00	15.5	42440	395.4	520	37/4.22	518.00	29.6	152790	1426.9
185	19/3.51	184.00	17.6	54320	506.1	580	37/4.45	575.00	31.2	169760	1585.5
230	19/3.93	230.00	19.6	67910	632.7	650	61/3.67	645.00	33.0	190140	1778.4
300	19/4.39	288.00	22.0	84880	790.8	720	61/3.89	725.00	35.0	213900	2000.7

GJtype galvanized steelstranded wire

Nominal cross section(MM²)	Outer diameter(MM)	Number of sharesx Stock line diameter(MM)	Calculate the cross section(MM)	Nominal tensile strength(Mpa)					Calculate the weight(KG/KM)
				1100	1250	1400	1550	1700
				The total breaking tension of wire is not less than(KN)
GJ-25	6.6	7x2.2	26.6	29.26	33.25	37.24	41.23	45.22	227.7
GJ-35	7.8	7x2.6	37.15	40.87	46.44	52.01	57.58	63.16	318.2
GJ-50	9.0	7x3.0	49.46	54.41	61.83	69.24	76.66	84.08	423.7
GJ-50	9.0	19x1.8	48.32	53.15	60.40	67.65	74.90	82.14	411.1
GJ-70	11.0	19x2.2	72.19	79.41	90.24	101.07	111.89	122.72	615.0
GJ-100	13.0	19x2.6	100.83	110.91	126.04	141.16	156.29	171.41	859.4
GJ-120	14.0	19x2.8	116.93	128.62	146.16	163.70	181.24	198.78	995.0
GJ-120	14.0	37x2.0	116.18	127.80	145.23	162.65	180.08	197.51	981.0
GJ-135	15.0	19x3.0	134.24	147.66	167.80	187.94	208.07	228.21	1144.0
GJ-135	15.5	37x2.2	140.58	154.64	175.73	196.81	217.90	238.99	1187.0

Aluminium clad steel capstan(YB/T 124-1997)

Nominal cross section(MM²)	Numberof structural roots/diameter of single filament(MM)	Nominal diameter(MM)	Calculate the cross section(MM²)	20AC	27AC	30AC	20AC	27AC	30AC
				Minimum calculated breaking tension(KN)			Calculate the weight(KG/KM)
20	7/2.00	6.00	21.99	11.37	8.99	7.55	146.35	131.29	124.57
30	7/2.30	6.90	29.08	35.07	27.75	23.30	193.58	173.57	164.80
35	7/2.60	7.80	37.17	44.82	35.46	29.77	247.38	221.86	210.62
40	7/2.75	8.25	41.58	50.14	39.66	33.30	276.72	248.16	235.57
45	7/2.90	8.70	46.24	55.76	44.11	37.04	307.76	276.01	262.01
50	7/3.00	9.00	49.48	59.67	47.20	39.63	329.32	295.38	280.33
55	7/3.20	9.60	56.30	67.89	53.71	45.09	374.71	336.04	319.00
65	7/3.50	10.50	67.35	79.40	62.43	52.73	448.24	402.00	381.57
75	7/3.75	11.25	77.31	87.67	70.97	58.45	514.55	461.46	438.06
70	19/2.20	11.00	72.23	87.10	68.90	57.85	482.61	432.91	410.94
80	19/230	11.50	78.94	95.20	75.31	63.23	527.50	472.98	449.09
100	19/2.60	13.00	100.88	121.66	96.24	80.80	674.12	604.57	573.93
115	19/2.75	13.75	112.85	136.10	107.66	90.39	754.07	676.24	641.94
120	19/2.85	14.25	121.21	146.18	115.63	97.07	809.94	726.33	689.53
125	19/2.90	14.50	125.50	151.35	119.73	100.52	838.65	752.14	714.00
150	19/3.15	15.75	148.07	178.57	141.26	118.60	989.50	887.39	842.31
180	19/3.50	17.50	182.80	215.52	169.46	143.13	1221.46	1095.46	1039.79
210	19/3.75	18.75	209.85	237.97	192.64	158.65	1402.20	1257.49	1193.72
240	19/4.00	20.00	238.76	260.01	191.25	156.87	1595.42	1430.89	1358.25
195	37/2.60	18.20	196.44	236.91	187.41	157.35	1320.52	1184.28	1124.27
245	37/2.90	20.30	244.39	294.74	233.15	195.76	1642.82	1473.37	1398.64
295	37/3.20	22.40	297.57	358.87	283.88	238.35	2000.22	1793.78	1702.83
350	37/3.50	24.50	355.98	419.70	330.00	287.73	2392.72	2145.90	2036.83
420	37/3.80	26.60	419.62	468.30	377.66	309.68	2820.69	2529.71	2401.02
465	37/4.00	28.00	464.72	506.34	405.91	330.58	3125.25	2802.95	2660.67
510	37/4.20	29.40	512.61	544.40	438.28	364.47	3445.66	3090.15	2933.15
590	37/4.50	31.50	588.46	598.46	487.24	402.51	3955.53	3547.18	3367.16
670	37/4.80	33.60	669.54	662.84	536.30	439.89	4500.50	4035.92	3831.36

8.7/10kv cross-linked polyethylene insulated single-core PVC sheathed power cable(YJV type)

Nominal cross section(MM²)	The conductor diameter(MM)	Insulation thickness(MM)	The thickness of the sheath(MM)	Cablediameter(MM)	Cable weight(KG/KM)
1×25	6.0	4.5	1.8	22	650
1×35	7.0	4.5	1.8	23	770
1×50	8.3	4.5	1.8	24	910
1×70	10.0	4.5	1.8	26	1150
1×95	11.6	4.5	1.8	28	1450
1×120	13.0	4.5	1.9	29	1700
1×150	14.6	4.5	1.9	31	2000
1×185	16.2	4.5	2.0	33	2350
1×240	18.4	4.5	2.1	35	2950
1×300	20.6	4.5	2.1	37	3600
1×400	23.8	4.5	2.2	41	4450

8.7/10kv cross-linked polyethylene insulated three-core steel belt armored PVC sheathed power cable (YJV22 type)

Nominal cross section(MM²)	The conductor diameter(MM)	Insulation thickness(MM)	The thickness of the sheath(MM)	Cable diameter(MM)	Cable weight(KG/KM)
3×25	6.0	4.5	2.5	49	3150
3×35	7.0	4.5	2.6	51	3550
3×50	8.3	4.5	2.7	55	4150
3×70	10.0	4.5	2.8	59	4950
3×95	11.6	4.5	2.9	62	5950
3×120	13.0	4.5	3.1	66	6950
3×150	14.6	4.5	3.2	70	8000
3×185	16.2	4.5	3.3	74	9300
3×240	18.4	4.5	3.5	79	11300
3×300	20.6	4.5	3.7	86	14300
3×400	23.8	4.5	3.9	94	17350

26/35kv cross-linked polyethylene insulated single core PVC sheathed power cable(YJV type)

Nominal cross section(MM²)	The conductor diameter(MM)	Insulation thickness(MM)	The thickness of the sheath(MM)	Cable diameter(MM)	Cable weight(KG/KM)
1×50	8.3	10.5	2.1	38	1600
1×70	10.0	10.5	2.2	39	1900
1×95	11.6	10.5	2.2	41	2200
1×120	13.0	10.5	2.3	43	2500
1×150	14.6	10.5	2.4	44	2850
1×185	16.2	10.5	2.4	46	3250
1×240	18.4	10.5	2.5	48	3900
1×300	20.6	10.5	2.6	51	4550
1×400	23.8	10.5	2.7	54	5500

26/35kv cross-linked polyethylene insulated three-core steel tape armored PVC sheathed power cable (YJV22 type)

Nominal cross section(MM²)	The conductor diameter	Insulation thickness(MM)	The thickness of the sheath(MM)	Cable diameter(MM)	Cable weight(KG/KM)
3×50	8.3	10.5	3.7	86	8500
3×70	10.0	10.5	3.8	91	9550
3×95	11.6	10.5	4.0	94	10750
3×120	13.0	10.5	4.1	98	11900
3×150	14.6	10.5	4.2	102	13150
3×185	16.2	10.5	4.3	105	14600
3×240	18.4	10.5	4.5	111	16850
3×300	20.6	10.5	4.6	116	19200
3×400	23.8	10.5	4.9	124	22550

(BG/T20118-2006)/Steel wire rope(BG/t20118-2006) structure:6×19+FC

Wirerope nomina diameterD(MM)	The wire rope approximatesweight(KG/100M)	Nominal tensile strength of steel wire rope (Mpa)				Wire rope nominal diameterD(MM)	The wire rope approximates weight(KG/100M)	Nominal tensile strength of steel wire rope (Mpa)
		1570	1670	1770	1870			1570	1670	1770	1870
		Minimum calculated breaking tension(KN)						Minimum calculated breaking tension(KN)
4	5.62	7.71	8.20	8.69	9.19	6.2	13.5	17.8	18.9	20.0	21.1
5	8.78	12.0	12.8	13.6	14.4	7.7	21.1	29.3	31.2	33.1	35.0
6	12.6	17.4	18.5	19.6	20.7	9.3	30.5	42.2	45.0	47.6	50.3
7	17.2	23.6	25.1	26.6	28.1	12.5	54.1	75.1	79.9	84.7	89.4
8	22.5	30.8	32.8	34.8	36.7	15.5	85	117	125	132	140
9	28.4	39.0	41.6	44.0	46.5	17.0	102	142	151	160	169
10	35.1	48.2	51.3	54.4	57.4	21.5	165	230	245	259	274
11	42.5	58.3	62.0	65.8	69.5
12	50.5	694	73.8	78.2	82.7
13	59.3	81.5	86.6	91.8	97.0
14	68.8	94.5	100	107	113
16	89.9	123	131	139	147
18	114	156	166	176	186
20	140	193	205	217	230
22	170	233	248	263	278
24	202	278	295	313	331
26	237	326	346	367	388
28	275	378	402	426	450
(30)	316	434	461	489	517
32	359	494	525	557	588
(34)	406	557	593	628	664

(BG/T20118-2006)/Steel wire rope(BG/t20118-2006) structure:6×37+FC

Wirerope nomina diameterD(MM)	The wire rope approximatesweight(KG/100M)	Nominal tensile strength of steel wire rope (Mpa)				Wire rope nominal diameterD(MM)	The wire rope approximates weight(KG/100M)	Nominal tensile strength of steel wire rope (Mpa)
		1570	1670	1770	1870			1570	1670	1770	1870
		Minimum calculated breaking tension(KN)						Minimum calculated breaking tension(KN)
6	12.5	16.7	17.7	18.8	19.9	18	112.0	150.0	160.0	169.0	179.0
7	17.0	22.7	24.1	25.6	27.0	20	138.0	185.0	197.0	209.0	221.0
8	22.1	29.6	31.5	33.4	35.3	22	167.0	224.0	238.0	253.0	267.0
9	28.0	37.5	39.9	42.3	44.7	24	199.0	267.0	284.0	301.0	318.0
10	34.6	46.3	49.3	52.2	55.2	26	234.0	313.0	333.0	353.0	373.0
11	41.9	56.0	59.6	63.0	66.7	28	271.0	363.0	386.0	409.0	432.0
12	49.8	66.7	70.9	75.2	79.4	30	311.0	417.0	443.0	470.0	496.0
13	58.5	78.3	83.3	88.2	93.2	32	354.0	474.0	504.0	535.0	565.0
14	67.8	90.8	96.6	102.0	108.0	34	400	535.0	570.0	604.0	638.0
16	88.6	119.0	126.0	134.0	141.0

Address: Ningbo, Zhejiang, China

Business Type: Manufacturer/Factory

Business Range: Industrial Equipment & Components, Manufacturing & Processing Machinery, Transportation

Main Products: Hardware Tools

Company Introduction: Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

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