
We Believe in Service Above All
We Believe in Service Above All
NOV Drilling Equipment represents industry-leading technology and reliability in the oil and gas sector. Known for their robust design and advanced engineering, NOV products support efficient and safe drilling operations worldwide. Their comprehensive line includes top drives, drawworks, rotary tables, and mud pumps, each built to meet the highest standards of performance and durability.
At Nusantara Supply, customers gain access to genuine NOV drilling components and global sourcing solutions, ensuring seamless equipment upgrades and maintenance support. This commitment to quality and service helps minimize downtime and optimize drilling productivity, making NOV equipment a trusted choice for operators seeking long-term reliability and operational excellence.


Pilot Operated, Balance Piston relief Valve
Capacity : 25 gpm
Cavity : T-10A
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Cavity : T-10A
Max Pressure: 5000 psi
Working Pressure: 3000 psi
Flow Rate: 25 GPMApplication : Main Manifold Hydraulic Top Drive System
Designed for high-performance hydraulics, the T-10A cavity ensures reliable pressure control up to 5000 psi, with a 3000 psi working pressure and 25 GPM flow. Durable and precise, it boosts equipment reliability and safety.
Find quality hydraulic components at Nusantara Supply.
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T-10A, Max Press 100 -3000 psi, Max WP 1000psi, 25 gpm, standard 70 Bar
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Wireline & Flowline, relief valve T-10A cavity
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Cavity T-10A
Flow Capacity: 95 GPM
Max Pressure: 205 Barvalve controls pressure accurately and protects hydraulic systems. It handles up to 95 gallons per minute and works safely at pressures up to 205 bar. This valve is strong and reliable, preventing overpressure and damage. Perfect for tough industrial use.
Shop at Nusantara Supply for durable hydraulic parts and expert sourcing help.
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Note: Data may vary by configuration. See CONFIGURATION section.
Cavity T-10A
Series 1
Capacity 25 gpm
Maximum Operating Pressure 5000 psi
Factory Pressure Settings Established at 4 gpm
Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.@1000 psi
Response Time - Typical 10 ms
Adjustment - No. of CW Turns from Min. to Max. setting 5
Valve Hex Size 7/8 in.
Valve Installation Torque 30 - 35 lbf ft
Adjustment Screw Internal Hex Size 5/32 in.
Locknut Hex Size 9/16 in.
Locknut Torque 80 - 90 lbf in.
Model Weight 0.31 lb.
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Part # 98006-12N , AR3200 Seal KIT
Part # 98006-12V, Seal Kit Cartridge Viton
Part# 98006-12P, Seal Kit Cartridge
3:1 Pilot ratio, Standard Capacity Counterbalance Valve - OEM NOV
Item ID Name Description
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- 18923908-001 LOAD HOLDING VALVE DUAL
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- 163045:NOP LOAD CONTROL VALVE
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- 16517019-006 DUAL COUNTERBALANCE VALVE
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- 11425561-001 SINGLE COUNTERBALANCE VALVE
- 11355628-001 VALVE COUNTERBALANCE
- 7024B187 COUNTERBALANCE VALVE 0-15 GPM
- 11006107-002 LOAD CONTROL VALVE CARTRIDGE
- 245044:NOP LOAD CONTROL VALVE COMPLETE
- P231000768 COUNTERBALANCE VALVE (SET @ 2400
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- 18279188-001 LOAD CONTROL VALVE
- 11006449-005 LOAD CONTROL VALVE DUAL
- 11367935-015 LOAD CONTROL VALVE
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- 11097109-002 LOAD CONTROL VALVE COMPLETE
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- 11367935-019 LOAD CONTROL VALVE
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- 11006449-013 LOAD CONTROL VALVE DUAL
- 11006449-011 LOAD CONTROL VALVE DUAL
- 11006449-010 LOAD CONTROL VALVE DUAL
- 11006449-009 LOAD CONTROL VALVE DUAL
- 11367935-020 LOAD CONTROL VALVE
- 11367935-022 LOAD CONTROL VALVE
- 11367935-021 LOAD CONTROL VALVE
- 245044-002:NOP COUNTERBALANCE VALVE
- 11447354-001 COUNTERBALANCE VALVE
- 163170-002:NOP LOAD CONTROL VALVE W/ COC
- 11006449-002 LOAD CONTROL VALVE DUAL
- 5001026332:4TP VLV C-BAL 60LPM
- 164184:NOP LOAD CONTROL VALVE DUAL
- 5001052310:4TP VALVE CARTRIDGE F/ COUNTERBALANCE VALVE
- 11367935-005 LOAD CONTROL VALVE
- 11367935-004 LOAD CONTROL VALVE
- 11367935-009 LOAD CONTROL VALVE
- 11367935-007 LOAD CONTROL VALVE
- 11367935-008 LOAD CONTROL VALVE
- 520790:4TP VALVE C/BAL CARTRIDGE
- 11367935-006 LOAD CONTROL VALVE
- 11367935-016 LOAD CONTROL VALVE
- 245044-003:NOP COUNTERBALANCE VALVE
- 16517019-004 DUAL COUNTERBALANCE VALVE
- 8401024127:4TP HYD CYL 80X28X675MM STROKE
- 11367935-013 LOAD CONTROL VALVE
- 11079040-003 LOAD CONTROL VALVE
- 11006449-004 LOAD CONTROL VALVE DUAL
- 18072736-001 COUNTERBALANCE VALVE SET PRESSURE 1500 PSI
- 11006107-005 LOAD CONTROL VALVE CARTRIDGE
- 11006107-007 LOAD CONTROL VALVE CARTRIDGE
- 032068:9KP VALVE COUNTERBALANCE 3:1 15GPM
- 032483:9KP VALVE COUNTERBALANCE 15GPM
- 3HVC00442:9K VALVE CARTRIDGE T-11A COUNTERBAL 15GPM
- 126576-1 CARTRIDGE COUNTERBALANCE VALVE P
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- 19044103-001 VALVE HYD CTBL T-11A 15GPM LOW TEMP
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- 16531483-001 COUNTERBALANCE VALVE (SET @ 2000
- 11469641-001 COUNTERBALANCE VALVE
- 11469949-001 DUAL COUNTERBALANCE VALVE
- 17800034-001 COUNTERBALANCE VALVE 3:1 RATIO
- 11367935-014 LOAD CONTROL VALVE
- 7026B080 TANDEM #6-15GPM COUNTER BALANCE
- 7026B132 15 GPM COUNTERBALANCE VALVE
- 7024B240 COUNTERBALANCE VALVE - 0-15GPM
- 7024B112 COUNTER BALANCE VALVE
- 7024B113 COUNTER BALANCE VALVE
- 7024B131 COUNTER BALANCE VALVE
- 7024B146 DUAL CAVITY COUNTERBALANCE VALVE
- 7024B027 #8 - 15 GPM C'BAL. VALVE
- 7024B490 COUNTERBALANCE VALVE
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- 11423594-001 DUAL COUNTERBALANCE VALVE
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- 16517019-009 DUAL COUNTERBALANCE VALVE
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Counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2. Pilot assist at port 3 lowers the effective setting of the relief valve at a rate determined by the pilot ratio.
Other names for this valve include motion control valve and over-center valve.Counterbalance valves should be set at least 1.3 times the maximum load induced pressure.
Turn adjustment clockwise to decrease setting and release load.
Full clockwise setting is less than 200 psi (14 bar).
Backpressure at port 2 adds to the effective relief setting at a ratio of 1 plus the pilot ratio times the backpressure.
Reseat exceeds 85% of set pressure when the valve is standard set. Settings lower than the standard set pressure may result in lower reseat percentages.
Two check valve cracking pressures are available. Use the 25 psi (1,7 bar) check unless actuator cavitation is a concern.
All 3-port counterbalance, load control, and pilot-to-open check cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size).
This valve does not have positive seals on the pilot section and will pass up to 3 in³/min.@1000 psi (45 ml/min.@70 bar ) between port 2 and port 3. This is a consideration in master-slave circuits and in the leak testing of valve-cylinder assemblies.
Corrosion-resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components.
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Note: Data may vary by configuration. See CONFIGURATION section.
Cavity T-11A
Series 1
Capacity 15 gpm
Pilot Ratio 3:1Maximum Recommended Load Pressure at Maximum Setting 3075 psi
Maximum Setting 4000 psi
Pilot Configuration Bleed through Factory Pressure Settings Established at 2 in³/min.
Maximum Valve Leakage at Reseat 5 drops/min.
Adjustment - No. of CCW Turns from Min. to Max. Setting3.75
Operating Characteristic Standard
Reseat>85% of setting
Valve Hex Size 7/8 in.
Valve Installation Torque30 - 35 lbf ft
Adjustment Screw Internal Hex Size 5/32 in.
Locknut Hex Size 9/16 in.
Locknut Torque 80 - 90 lbf in.
Model Weight 0.35 lb.
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Part# 98006-13N
Part #98006-13V