| Hydraulic Disc Brake System | ||
| Actuating mechanism | PSZ75A-70D-B-00 | |
| Service calipers | PSZ75A-3-00 | BK-00-7B |
| Emergency calipers | PSZ75A-2-00 | BK-0-7B |
| Friction disc | PSZ75A-70D-B-04-00 | |
| Brake pad | PSZ75A-2-01 | BK-0-7A |
| Steel backing | PSZ75A-2-02.00 | BK-2-7A |
| Emergency caliper cylinder assembly | PSZ75A-2-6.0 | BK-7-7A |
| Support arm | PSZ75A-2-04 | BK-9-7A |
| Clevis pin with head （One） | PSZ75A-2-16 | BK-4-7A |
| Clevis pin with head （Two） | PSZ75A-2-11 | BK-4-7A2 |
| Clevis pin with head （three，Emergency calipers ） | PSZ75A-2-08 | BK-4-7A1 |
| Clevis pin with head （three，Service calipers ） | PSZ75A-3-05 | BK-4-7A3 |
| Disc spring | PSZ75A-2-06.03 | BK-7-7A4 |
| Service caliper cylinder assembly | PSZ75A-3-02.00 | BK-7-7Ag |
| Adjusting screw | PSZ75A-3-04 | BK-11-7A |
| Spring | PSZ75A-3-03 | BK-12-7A |
| hydraulic power unit | DBS6K10/200 | BK-F-Y |
| Pipeline oil filter (Filter element HDX-25×10) | ZU.1-E25×10BD-P | HDX-25×10 |
| Overflow valve | 08MK650 | BK-F-D |
| Global valve | QJH-10G | BK-F-G1 |
| Global valve | QJH-20G | BK-F-G2 |
| Manual pump | QH-25 | |
| Global valve | QJH-15G | |
| Accumulator | NXQ-F6.3/200 | |
| Returning oil filter (Filter element FAX-40×10) | RFA-40×10Y | FAX-40×10 |
| Cooler | KMCL-3Y04 | |
| Air filter | QUQ2 | |
| Pipeline oil filter (Filter element SPX-06×25 ) | SP-06×25 | SPX-06×25 |
Introduction
Our disc brake systems are engineered for high-performance oil drilling rigs, delivering reliable braking and precise control. Core components include service calipers (BK-00-7B/BK-00-6D) and emergency calipers (BK-0-7B/BK-0-6D), paired with robust hydraulic control units for responsive operation. Designed to withstand harsh drilling environments, these brakes feature durable friction discs, corrosion-resistant steel backings, and high-pressure cylinder assemblies, ensuring consistent stopping power and long service life. Integrated with safety-focused systems—including parking brake valves and pressure monitoring—they meet rigorous industry standards, safeguarding operations and equipment.
For actuating mechanisms, there are BK-7JX (with sub-parts BK-7JX1, BK-7JX2, BK-7JX3, BK-7JX4, BK-7JX5, BK-7JX6) and BK-3JX (with sub-parts BK-3JX1, BK-3JX2, BK-3JX3, BK-3JX4, BK-3JX5). Regarding calipers, the emergency calipers include BK-0-7B (with sub-parts BK-1-7A, BK-11-D1, BK-11-S1, BK-2-7B, BK-3-7B, BK-4-7B, BK-3-7B1, BK-5-7B, BK-6-7A, BK-11-S2, BK-4-7B1, BK-3-7B2, BK-12-Q1, BK-7-7B, BK-3-7B3, BK-3-7B4, BK-4-7B2, BK-8-7A, BK-11-S3, BK-11-Q2, BK-9-7A, BK-10-7A, BK-11-D2) and BK-0-6D (with sub-parts BK-1-6A, BK-11-D1, BK-11-S1, BK-2-6C, BK-3-6C, BK-4-6C, BK-3-6C1, BK-5-6D, BK-6-6A, BK-11-S2, BK-4-6C1, BK-3-6C2, BK-12-Q3, BK-7-6C, BK-3-6C3, BK-3-6C5, BK-4-6C2, BK-8-6A, BK-11-S7, BK-12-04, BK-9-6C, BK-10-6A, BK-11-D3, BK-3-6C4). Service calipers include BK-00-7B (with sub-parts BK-1-7A, BK-11-D1, BK-11-S1, BK-2-7B, BK-3-7B, BK-4-7B, BK-3-7B1, BK-5-7Bg, BK-6-7A, BK-11-S2, BK-14-L, BK-10-7A, BK-4-7B3, BK-11-7A, BK-3-7B2, BK-3-7B3, BK-7-7Bg, BK-3-7B4, BK-4-7B2, BK-8-7A, BK-11-S3, BK-11-D2, BK-12-7A, BK-9-7A, BK-12-Q2, BK-12-Q1) and BK-00-6D (with sub-parts BK-1-6A, BK-11-D1, BK-11-S1, BK-2-6C, BK-3-6C, BK-4-6C, BK-3-6C1, BK-5-6Dg, BK-6-6A, BK-11-S2, BK-14-L, BK-10-6A, BK-4-6C3, BK-11-7A, BK-3-6C6, BK-3-6C3, BK-7-7Bg, BK-3-6C5, BK-4-6C2, BK-8-6A, BK-11-S7, BK-11-D3, BK-12-7A, BK-9-6C, BK-12-04, BK-12-Q3, BK-3-6C4, BK-12-Q1). Cylinder assemblies include emergency caliper cylinder assemblies (BK-7-7B with sub-parts BK-11-S4, BK-11-D1, BK-SR-1, BK-SR-2, BK-7-7A1, BK-GB-1, BK-SR-3, BK-7-7B2, BK-SR-4, BK-SR-5, BK-7-7A3, BK-7-7A4, BK7-7A5, BK-7-7A6, BK-7-7A7, BK-7-7B8, BK-7-7A9, BK-7-7A10, BK-7-7B11, BK-13-Y, BK-11-D3, BK-11-S5; BK-7-6C with sub-parts BK-11-S4, BK-11-D1, BK-SR-1, BK-SR-2, BK-7-6A1, BK-GB-1, BK-SR-3, BK-7-6C2, BK-SR-4, BK-SR-5, BK-7-6A4, BK-7-6A5, BK-7-6A6, BK-7-6A7, BK-7-6C8, BK-7-6A9, BK-7-6A10, BK-7-6C11, BK-13-Y, BK-11-D3, BK-11-S8) and service caliper cylinder assemblies (BK-7-7Bg with sub-parts BK-SR-1, BK-11-S6, BK-11-D2, BK-7-7Ag1, BK-SR-2, BK-GB-1, BK-SR-7, BK-7-7Bg2, BK-GB-2, BK-SR-6, BK-7-7Bg3, Bk-7-7Bg4). Hydraulic stations include BK-Z (with sub-parts BK-Z-L1, BK-Z1, BK-Z-L2, BK-Z-LX2, BK-TY, BK-Z2, BK-F-G3, BK-Z3, BK-Z4, BK-Z5, BK-Z6, BK-F-Y, BK-Z-L3, BK-Z-LX3, BK-F-D, BK-Z19, BK-F-G1, BK-F-G2, BK-Z7, BK-Z8, BK-Z9, BK-Z10, BK-Z11, BK-Z18, BK-Z20, BK-Z13, BK-Z12, BK-Z14, BK-Z15, BK-Z16, BK-Z17, BK-Z-L4, BK-Z-LX4, BK-Z21, BK-Z22) and Bk-Zd (with sub-parts BK-Z-L2, BK-Z-LX2, BK-Z1, BK-Z9, BK-Z-L4, BK-Z-LX4, BK-Z7, BK-Z8, BK-Z20, BK-Z-L3, BK-Z-LX3, BK-Z16, BK-Z14d, BK-Z12, BK-F-Y, BK-F-D, BK-Z15, BK-Z6, BK-Z5, BK-Z4, BK-Z3, BK-Z21, BK-Z22, BK-Z-L1, BK-Z10, BK-F-G3, BK-F-G1, BK-F-G2, BK-TY, BK-Z2, BK-Z19, BK-Z11, BK-Z18, BK-Z17, BK-Z13, BK-Z15). Control systems include BK-T (with sub-parts BK-F-J, BK-F-Z, BK-T-1, BK-F-W4, BK-F-3Y, BK-T-2, BK-F-S, BK-T-3, BK-T-4, BK-T-5) and BK-Td (with sub-parts BK-F-J, BK-F-Z, BK-Td-1, BK-F-W4, BK-F-3Y, BK-T-2, BK-F-Sd, BK-Td-3, BK-T-4, BK-T-5). Other parts include those from the Hydraulic Unit Circurit Subassembly in both documents, such as BK-TY-BYQ, BK-TY-JCQ, BK-TY-JDQ, BK-TY-K, BK-TY-QD, BK-TY-TZ, BK-TY-A.
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Contact info
What’s app +8615972752793
Luben@youlongpetro.com
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
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