Piston

Description

Piston

Standard 18 WCB Models(“E”)
Model		118 WCB		218 WCB		318 WCB		Model
Parts List#		146308E(Figure 3)		146310E(Figure 4)		146363E(Figure 5)		Parts List
Item	Description	Part Number	Qty.	Part Number	Qty.	Part Number	Qty.
1*	Mounting Flange Sub-assembly	513232-01	1	513232-01	1	513232-01	1	1
2	Mounting Flange	513207	1	513207	1	513207	1	2
3	Wear Plate	412953	2	412953	4	412953	6	3
4	Hex Head Screw	000153×0726	160	000153×0726	240	000153×0726	320	4
5	Locknut	000153×0642	160	000153×0642	240	000153×0642	320	5
6	Stud	000245×0057	12	000245×0063	12	000245×0063	12	6
8+	Friction Disc*	513657	2	513657	4	513657	6	8
9十	Friction Disc Core*	513666	1	513666	2	513666	3	9
12	Clamp Tube	306956-11	12	306956-12	12	306956-17	12	12
13*	Pressure Plate Sub-assembly	513232-03	1	513232-03	1	513232-03	1	13
14	Pressure Plate	513214	1	513214	1	513214	1	14
17	Flat Washer	000153×0727	12	000153×0727	12	000153×0727	12	17
18	Locknut	000110×0030	12	000110×0030	12	000110×0030	12	18
19	Cylinder	512693	1	512693	1	512693	1	19
21	Polypak Seal	000402×0021	2	000402×0021	2	000402×0021	2	21
23	Polypak Seal	000402×0022	2	000402×0022	2	000402×0022	2	23
24	Warning Decal	203627	1	203627	1	203627	1	24
25	Name Plate	307640	1	307640	1	307640	1	25
26	Drive Screw	000153×0644	8	000153×0644	8	000153×0644	8	26
28	Gear	302813	1	302907	1	413208	1	28
29	Wear Spacer	N/A	N/A	307643-02	12	307643-02	24	29
30*	Reaction Plate Sub-assembly	N/A	N/A	513232-02	1	513232-02	2	30
31	Reaction Plate	N/A	N/A	513217	1	513217	2	31
32	Decal Plate	307753	2	307753	2	307753	2	32
33	Piston	512761	1	512761	1	512761	1	33
34	Release Spring	307629	6	307629	12	307629	18	34
50	Inner Support Ring	413105	8	413105	16	413105	24	50
51	Outer Support Ring	413106	8	413106	16	413106	24	51
57十	Flat Head Screw	000153×1147	48	000153×1147	96	000153×1147	144	57
58	Wear Spacer**	N/A	N/A	308078-01	6	308078-02	18	58
59	Stop Tube**	N/A	N/A	308077-01	6	308077-01	9	59

WCB Water Cooled Brake Introduction

The WCB Water Cooled Brake is engineered to meet the demands of constant tension applications, with its design particularly suitable for scenarios requiring high inertia stopping and rapid heat dissipation. It is available under various brands, including foreign brands like WCB, WPT, and WHICHITA, as well as domestic brands such as WPT, SJSERVA, SERVA, SJPETRO, RGPETRO, and TIANJINDFXK. A wide range of assembly models are offered to cater to different needs, each with corresponding part numbers. These include: WCB 108 Water Cooled Brake (146246B), WCB 208 Water Cooled Brake (146247B), WCB 114 Water Cooled Brake (146231B), WCB 214 Water Cooled Brake (146232B), WCB 118 Water Cooled Brake (146308E), WCB 218 Water Cooled Brake (146310E), WCB 318 Water Cooled Brake (146363E), WCB 124 Water Cooled Brake (146308E), WCB 224 Water Cooled Brake (146339E), WCB 324 Water Cooled Brake (146361E), WCB 424 Water Cooled Brake (146362E), WCB 136 Water Cooled Brake (146287E), WCB 236 Water Cooled Brake (146338E), WCB 336 Water Cooled Brake (146289E), WCB 436 Water Cooled Brake (146298E). The WPT series, another line of water cooled brakes, shares many of these models and part numbers, such as WPT 108 Water Cooled Brake (146246B), WPT 208 Water Cooled Brake (146247B), and so on through the various models up to WPT 436 Water Cooled Brake (146298E).

Design Features

1. Mounting Flexibility: The WCB water cooled brake allows for mid-shaft or end-shaft mounting, providing versatility in installation across different industrial setups.
2. Robust Construction: Built with durability in mind, the rugged construction ensures a long-lasting and trouble-free service life, leading to reduced maintenance costs and increased operational efficiency for users.
3. Friction Disk Assemblies: Available in various sizes and quantities of friction disk assemblies, the model number of the WCB brake clearly identifies the number of friction disc assemblies and the nominal disc diameter. For instance, the WCB 324 model indicates it has three 24-inch diameter discs. This variety enables customers to select the most appropriate brake for their specific load and torque requirements.

Working Principle

The brake is air-actuated. In terms of cooling, it relies on a continuous flow of coolant from either a closed or open-loop cooling system. This efficient cooling mechanism, combined with the use of copper alloy friction plates, enables the rapid transfer of heat generated during braking to the cooling system, ensuring effective heat dissipation and maintaining the brake’s performance and lifespan, especially during continuous or high-intensity use.

Actuation Methods

1. Air Tube Actuation: One of the available actuation methods is the air tube. Reinforced neoprene air tubes are standard in all WCB units. These air tubes react accurately to small pressure changes and offer no resistance to movement, increasing the brake’s sensitivity. They are inherently corrosion-resistant, making them ideal for marine environments and other harsh conditions where traditional actuators might be affected by corrosion. No additional coatings or protective treatments are required, and field service is simple and error-free. Additionally, retrofit kits are available to convert an existing single or dual-piston actuated WCB to air tube actuation with no other modifications needed.
2. Piston Actuation: The other option is piston actuation. Though not as corrosion-resistant as air tube actuation without additional coatings, piston-actuated WCB brakes are reliable and suitable for many industrial applications.

Applications

The WCB series water cooled brake has a wide range of applications across various industries:

1. Oil and Gas Industry: In the oil and gas sector, it is mainly used as an auxiliary brake for drilling drawworks in workover rigs and rigs, helping control speed and tension during drilling for safe and efficient operations.
2. Marine Applications: It is used in marine mooring systems, anchor handling and towing winches, and mooring winch systems. Its ability to handle high tension and dissipate heat effectively makes it crucial for marine equipment, where reliable braking is essential for safety and proper vessel operations.
3. Industrial Equipment: It is widely used in dynamometers for measuring force, torque, and power. In logging equipment, it controls machinery speed. It also finds use in slip clutches, tension brakes, and unwind stands in industries like paper mills, textile mills, and metalworking plants. For example, in paper mills, it controls paper tension during manufacturing, ensuring consistent, high-quality products.

In conclusion, the WCB Water Cooled Brake, with its diverse brand options, extensive range of assembly models and corresponding part numbers, is a high-performance braking solution offering reliability, versatility, and efficient heat dissipation, making it an ideal choice for a wide range of industrial applications.

SJPETRO#RGPETRO#DFXK#ZYT#BPMCO#LANSHI#NOV#NATIONAL OILWELL WARCO#KERUI#HH#HONGHUA#BAOJI#BOMCO#CPTDC#SJ

 

Contact us：rigboss@foxmail.com
whats app +8615972752793

 

You Long Petroleum Machinery Spares ltd.(YOU LONG PETRO) engages in the export of the petroleum equipment and materials and provides materials and equipment for CNPC and SINOPEC’s overseas projects. Established in 2003,YOU LONG PETRO has started the manufacturing and supplying of petroleum materials and equipment since 2003.YOU LONG PETRO has provided its products and services to 36 countries and regions across the globe.YOU LONG PETRO’s export performance has come out top in central enterprises in successive years and it has been acknowledged as China’s largest supplier of petroleum and petrochemical materials，which is based on design,production,sale and technical service.Our products are completely interchangeable with the following enterprises.
The products are asfollows:
1、Drilling mud pump parts(Bomco, HH, Rongsheng, RJ etc.)
2、Oil drilling rig parts & Workover rig parts (RG, SJ,DFXK etc),
3、Parts for hydraulic disc brake (BPM,Boke,Bomco,RG)
4、ATDPush-plate clutch and parts & WCB2 Auxiliary brake parts.
5、ZQ Drill pipe power tongs and parts,TQ Series of casing power tongs and parts.
6、CB/LT series:Air tube clutch and parts.
7、Agent products such as: Bearings, Chains, Cardan shaft,V-belt,engine etc
Contact info
What’s app +8615972752793
Luben@youlongpetro.com

 

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