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Rope Pulley

A General Idea Indicating The Safe Working Loads Of Our Blocks, Dia of Sheave Circf. of Rope, 6, 1-1 1/4, 7, 11/4-1 1/2, 8, 11/2-1 1/4 10, 1 1/4 2 1/4 12, 2 1/4-2 1/2, 14, 2 1/2-3, 16, 3-3 1/2, 18, 3 1/2-4, S.W. L. tons, Single, Sheave, 0.75, 1.5, 2, 3, 5, 6, 7, 10, Double, Sheave, 1, 2, 3, 5, 8, 10, 15, 20, Triple, Sheave, 1.5, 2.5, 5, 10, 12, 15, 20, 25, Safe Working Loads (S.W. L.) Of Rigs B. S.: 4018-1966, Dia of Sheave, Dia of Rope, S.W. L., per Single, part of rope, Ton, Safe Working Loads of Rigs, inch mm inch mm 1/1 Rig Ton 2/1 Rig Ton 2/2 Rig Ton 3/2 Rig Ton 3/3 Rig Ton, 5, 127, 3/8, 9, 0.75, 1.5, 2.25, 3.0, 3.75, 4.5, 6, 152, 7/16, 11, 1.0, 2.0, 3.0, 4.0, 5.0, 6, 7, 177, 1/2, 13, 1.25, 2.5, 3.75, 5.0, 6.25, 7.5, 8, 203, 9/16, 14, 1.50, 3.0, 4.50, 6.0, 7.40, 9.0, 9, 228, 5/8, 16, 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 11, 279, 3/4, 19, 3.0, 6.0, 9.0, 12.0, 15.0, 18.0, 12, 304, 7/8, 22, 4.0, 8.0, 12.0, 16.0, 20.0, 24.0, Selection Criteria: Sheave Dia/Rope Dia = At least 12, The safe working load per single part of rope is approximately one sixth of the nominal breaking load of ropes as 2 2 specified in B.S.302 621 in the 6 x 37 group of tensile strength 100/110, ton / inch (160/175 kgf/mm ). This is the nominal breaking load on which the design of blocks to this standard is based., The manner of test laid down in schedule II of DOCK Workers (Safety, Health, and Welfare)Regulations, 1990, is as follows:, Article of Gear, Proof Load, Single sheave pulley block, Four times the safe working load, Multiple sheave block with safe working load up to and including 20 tons, Twice the safe working load, Multiple sheave block with safe working load over 20 tons up to and including 40 tons, 20 tons in excess of the safe working load, Multiple sheave block with safe working load over 40 tons, One and a half times the safe working load, Note, Higher capacity pulley blocks manufactured against order., Crane Block, Snatch Block

Manilla Rope Pulley Block,, Dia. of Sheave, Dia of Rope, S. W. L. in kg, No. Sheave, 3 1/2, 1/2", 100, Single, 31/2, 1/2", 150, Double, 3 1-2, 1/2", 250, Triple, 4", 5/8, 150, Single, 4", 5/8, 200, Double, 4", 5/8, 300, Triple, 4 3/4, 3/4", 200, Single, 4 3/4, 3/4", 400, Double, 4 3/4, 3/4", 500, Triple, 6", 1", 500, Single, 6", 1", 1000, Double, 6", 1", 1500, Triple, 7", 1 1/4 600, Single, 7", 1 1/4, 1500, Double, 7", 1 1/4, 2000, Triple, 8", 1 1/2, 1000, Single, 8", 1 1/2, 2000, Double, 8", 1 1/2, 2500, Triple, 10", 2", 1500, Single, 10", 2", 2500, Double, 10", 2", 4000, Triple

It has high mechanical strength and is suitable for large machinery. It has good wearability and self-lubrication. The wearability of MC nylon is 4-5 times better than steel or iron pulley.

Des. Casted parts/components Cast method Sand cast, die cast, Lost foam/wax, investment casting, centrifugal casting, Processing Precision CNC machining, grinding, tapping ,painting and assembly Finish treatment Tempering , quenching, annealing, normalizing Surface treatment -blast shooting -HDG,zince -Chrome plating -Powder coating -Anodizing -Polishing -Electrophoresis -Electrostatic color paining QA Caliper, roughness tester, strength tester, spectrograph, CMM, metalloscope and etc.. 3party inspection report is able to serve as your needs. Material range Die casting: Aluminum or alloy A360, A380, A390, ADC12,ADC10,ALSI09 etc. Ductile iron casting part: QT400 , QT450, QT500, QT550, QT600, QT700 Zinc & Zinc alloy. ZA-3,ZA-5,ZA-8 Sand casting:ZL101,ZL104,ZL102 and so on. Iron casting: HT150, HT200, HT250, HT300,etc. Standard: JIS, DIN, ASTM,BS, ISO,AISI Application scope -Woodworking hand tools, -Electrical high voltage fittings, -Cookware, BBQ grill, -Pump/valve body or accessories , -Drainage grate, -Construction accessories Package Standard seaworthy packing FOB Port CN DLC Standard ISO,GB,ASTM,BS,JIS,AISI,DIN and etc. 1. The property of company is OEM or trading business only? Where is the location of foundry? - More than decade experiences both on manufacturing and exporting of alloy castings. - The foundry , CNC workshop and assembly line are in Province Liaoning, construction area occupied total 20000m2. 2. The way to obtain the quotation. -We r always standby, the more accuracy parameters you provided, the more close price you will be obtained. The drawing in AUTOCAD, PROE,SOLIDWORKS and etc. what the general formats are preferred to. 3. Leading time, MOQ and delivery term. - Leading time or MOQ depends on the complexity ,casting structure and dimension. Any requirements could settle by mutual negotiating. for the Shipping transportation , the world top 10 ocean carriage brands for transporting period could be referred to . FOB ,CIF, CFR what types stipulated in incoterms 2010 are acceptable. For more just call or write to me with undersigned.

ZB6605-25 Description: For Attachment to Line or Wire Length=45mm, Width=26mm, Thickness=11mm, Weight=23g 316 Stainless Steel Construction Application: sailing boat, canoe, lifting Name stainless steel pulley Material stainless steel 316 Technique investment casting MOQ 1 pc Surface polishing Packing opp bag+ carton a professional manufacturer of stainless steel marine hardware and rigging hardware. In our factory , you can get anchors, hinges , deck fillers, fishing rod holders , eye plates , eye botls, shackles , turnbuckles, thimbles, carabiners and soon.

Roll-Forged Sheaves are available in many configurations in order to meet various oilfield applications. Roll-Forged sheaves are available in sizes up to 78 in diameter. Applications should provide for tightening separator plates against bearing cones to adjust and insure proper function of bearing. Each sheave in the table below has a machined bore sized to accept the respective bearing number shown. The sheaves are provided from the factory plain bore (the bearings are not included).

Roll-Forged Sheaves are available in many configurations in order to meet various oilfield applications. â?¢ Roll-Forgedâ?¢ sheaves are available in sizes up to 78â?? in diameter. â?¢ Applications should provide for tightening separator plates against bearing cones to adjust and insure proper function of bearing. â?¢ Each sheave in the table below has a machined bore sized to accept the respective bearing number shown. â?¢ The sheaves are provided from the factory plain bore (the bearings are not included). How to contact us?

ZB6607-25 Description: * For Attachment to Line or Wire * Length=45mm, Width=26mm, Thickness=11mm, Weight=23g * 316 Stainless Steel Construction * Application: sailing boat, canoe, lifting Name stainless steel pulley Material stainless steel 316 Technique investment casting MOQ 1 pc Surface polishing Packing opp bag+ carton Brand Richwits Zhibo is a professional manufacturer of stainless steel marine hardware and rigging hardware. In our factory , you can get anchors, hinges , deck fillers, fishing rod holders , eye plates , eye botls, shackles , turnbuckles, thimbles, carabiners and soon Wudi Zhibo Metals Co., Ltd owns an investment castings foudnry and a machining shop. We can do casting , machining and polishing. Zhibo is a real factory ! What we can produce ? 1. rigging hardware like snap hook, shackles, turnbuckles, rope clips , thimble, bolt and nut, ect 2. marine hardware like cleat, anchor, hinge, plate, marine latch, deck filler,bollard , stanchion, ect. 3. Zhibo also can cast parts per customer's samples or drawings What is our main material ? Stainless steel 304/316 Since the establishment of our company, Wudi Zhibo Metals Co., Ltd adhere to the idea of â??Quality First, Creditable Management " and the cooperative attitude of the "Win-Win", all the staffs are devoted to the technological innovation, improving designing and producing capacity for the purpose of creating valuable enterprise brand and meeting the requirement of clients. Welcome the friends worldwide to visit our company and make business negotiations.