Heavy Duty Varco OEM Disc Brake Cylinder Kit 30178890 153 for TDS Top Drive Drilling System

Short Description:

Engineered for outstanding operational reliability, this full portfolio of top drive replacement parts addresses the toughest downhole service demands. Tailored to resist abrasive surroundings and high‑stress cyclic loads, the product line sets the benchmark for aftermarket replacement solutions. Precision‑machined from high‑tensile alloy steel to strict OEM specifications, these components deliver seamless compatibility with major top‑drive systems including NOV VARCO. Featuring field‑validated drop‑in interchangeability, they enable on‑site maintenance crews to carry out rapid, assured repairs, safeguard rig uptime under extreme HPHT and corrosive drilling conditions, and drive improved return on investment for your drilling operations.


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Below is the spare parts reference list for TDS top drive, including part numbers and corresponding component descriptions. Please verify the part numbers to match your equipment requirements.

124256 SAVERSUB,   7-5/8  REG(LG   BORE)   X   NC   38
120997 BRACKET, SERVICE LOOP
30173893-BSC ASSY, EXTERNAL CRANK
53200-27 COM[OUND,  LOCKING
30173922 HOUSING,CRANK(MACHINING)
77369-16 THREAD PROTECTlON (NOT SHOWN)
91137-2 RETAINING RING
30173608 SLEEVE, CRANK
30177481 SPRING, WAVE
30177441 SET, SEAT/BALL
30177478 CRANK, OPERATING, L H.
30177479 CRANK, OPERATING, R.H.
30177477 SEAL, CROWN
91137-15 STABILIZER, SEAL RING
30177476 SEAL, U-CUP
30177475 BACK-UP RING
30177471 O-RING
30177474 BACK-UP RING
30177473 BACK-UP RING
30177472 O-RING
30177470 O-RING
30177467 B0DY, UPPER lB0P, H2S
30177442 SET,SEAT,BALL
30177480 CRANK,OPER.- R.H.
77369-11 THREAD PROTECTOR-7 5/8”RH PIN (NOT SHOWN)
65260191 RETAINING RING
65060492 NYLON PLUG
65260197 BACK-UP RING
65260196 O-RING
65221191 BACK-UP RING
10418693 O-RING
65221490 SPRING,WAVE
30177547 SET,SEAT/BALL
65060722 SLEEVE,CRANK
650606B0 CRANK,OPER.- R.H.
65270128 BODY,IBOP
116022-2 MANIFOLD,   ELEV.   TILT,   ALUM.   (MACH.)
108465-12 PLUG,SHIPPING – SAE-12
30174106-2 MANIFOLD,MOUSEHOLE ENABLE/DISABLE
30173708 PLATE,BLANKING
50103-12-C SCREW,CAP-SOCKET HEAD
30171688-2 MANIFOLD,MOUSEHOLE ENABLE/DISABLE
3018A320-502 BUSHING
30172726-LT P|N, SEC0NDARY RETENT|0N, D|A. .81 (LOW TEMP)
30172725-2LT P|N, SEC0NDARY RETENT|0N, D|A. 1.0 (LOW TEMP)
30172724-LT F| N, SEC0NDARY RETENT|0N, D|A. .75 (LOW TEMP)
30172725-1LT P| N, SEC0NDARY RETENT|0N, D|A. l.0 (LOW TEMP)
30172723-LT P|N, SEC0NDARY RETENT|0N, D|A. l.0 (LOW TEMP)
30125801-LT ASSY, CYLINDER, BYDRAULlC, LlFT (LOW TEMP)
30124964-LT ROKE, lB0P ACTUATOR (LOW TEHP)
39125050-LT ASSEHBLY, CLAhP CYLlNDER (LOW TEhP)
124894-LT TOROUE ARRESTOR (LOW TEMP)
50008-32-C5D SCREW, CAP-HEX HEAD
30172725-2 PIN, SEC0NDARY RETENT|0N, D|A. l.0
30172724-1 PIN, SECONDARY RETENTI0N, DIA. . 75
30172725-1 P|N, SECONDARY RETENT|0N, D|A. l.0
125594-LT ASSY, HYD CYL, IBOP ACTUATOR
1300106826 Mud valve 5185A-DB-RRH-SER 1300106826 DQ500Z
124894-500 TOROUE   ARRESTOR
DQ50B-GZ-02 Ball valve DQ50/70 DQ50B-GZ-02
44045.72.700 Platform for container SVP 44045.72.700 BU 6500/450
30173225 Electrical Service Loop Kit, TDS
109600 Service Loop, Fluid
16526154-KIT Kit, Derrick Termination TDS-8SA/TDS-1000, Standalone, Standard
10966223-ASM Assembly, Term, J-Box Power, Derrick, Standard, TDS-8SA/TDS-1000
11346966-ASM Assembly, Derrick Termination Panel
16508416-ASM Assembly, Control System, TDS-8SA Yantai-Sinopec Shengli 90M (H317)
96289 Kit Installation Counterbalance
30171624 VALVE ENCLOSURE
11479765-001 Drilling System, TDS-8SA
11479765-002 Drilling Unit Assembly: TDS-8SA; ABS/CDS Certification
10987464-001 J-Box:  Used for CRT connection in derrick
16526154-001 DERRICK TERMINATION KIT:                                           Non-Retract Dolly Notes: For Use W/Standalone VFD .
16508416-001 ASSEMBLY, CONTROL SYSTEM, TDS-8SA
10381708-006 MOTOR HOUSING ASSY, TDS-8SA:
3.8” Bore, 750Ton, 124”Bail, 7500psi, w/o Deublin, use with Inpro
S- Pipe Loc:   Right Hand
NOTE:  Ships with conventional washpipe installed.
16531489-001 VFD House (Standalone)
10480841-002 INPRO AIR PURGE ISOLATOR KIT:
51300-117B O-RING
11024052-011 TDS DOLLY ASSEMBLY: ABS/CDS Certification
Setback x Spacing x Non Retract:  32 X 62 X NONE
Rail Size:   W14 x 74
S-Loop Bracket Location:   Right Hand                                          Roller style:   HEAVY DUTY (HD)
S-Pipe:   Right Hand
Block Interface Model:   YC-675
11024049-511 MOTOR FRAME WELDMENT:  TDS-8SA  ABS/CDS
10378123-001 OIL CIRCULATING KIT: TDS-8SA (No motor heaters)
Electric:   4HP, EExd, 380VAC/50Hz, 55°C, 3 KW, 3 Phase
94579 Junction Box, STB1, I.S., Cenelec
30171073 Manifold Assembly, Air Valve, TDS
30171622-511 REMOTE VALVE CONTROL
30171622-510 REMOTE VALVE CONTROL
30171622-6 BOOT
30179219-5 BUSHING,ARM,ST-80C
11400040-001 MOTOR ELEC KIT:   TDS-8SA, IEC/ Ex, IP56, -20° to 45°C, 24VDC Solenoids,
BX with Rotators, High Temp, J-box labels, J-Box with integral Pressure Switch.
S/L Bracket:   Right Hand
30171609 6 VALVE BANK ASSY
10381503-006 MOTOR COOLING SYSTEM:   TDS-8SA, Local, 2800 CFM, High Temp
Standard:   Eex, eII T3, T(AMB) = -40° to 55°C, IP44 per SIRA EX 983124X Cert.
Motor Electric:   20HP, 380VAC/50Hz, EExd, 55°C, 220VAC Heater
94536-330N CHECK VALVE,CARTRIDGE
10358989-005 S-PIPE ELBOW : ABS/CDS
Mud hose conn: 5”, Female, Fig.1002
30157858-2001S VALVE,CHECK UINE MTD
30160685-RK REBUILD KIT,TORQUE CYL
59027P230073 HOSE ASSY
59026P230074 HOSE ASSY
59047P29J063 HOSE ASSY
59024P290065 HOSE ASSY
59047P29M075 HOSE ASSY
59043P290074 HOSE ASSY
30156900 Assembly, Manifold BX Elevator
10447671-001 CONN-PLUG, 7 SOCKETS W/INLINE RECEPTACLES

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