Piper Valve Systems
Oil States Piper Valve manufactures high-pressure compact valves, metal seated ball valves, subsea valves, subsea hot stab connectors and drilling diverter system ball valves.
Related Documents
- Oil States Industries Overview
- Oil States Piper Valve Subsea Service Valves
- Oil States Piper Valve Series PB Ball Valves
- Oil States Piper Valve Series MST Ball Valves
- Oil States Piper Valve Series LC Ball Valves
- Oil States Piper Valve Series DC Diverter Valves
- Oil States Piper Valve Series SF Hot Stab Assemblies
- Oil States Piper Valve Offshore Valve Products
- Oil States Piper Valve Onshore Valve Products
Sales Contacts
Email +1 405 671 2000
Compact Valves

Key Features
- Series PB ball and check valve size range: 1″ thru 12″ ANSI 1500, API 5000, ANSI 2500. 1″ thru 8″ API 10000. 1″ and 2″ API 15000.
- Compact design provides substantial space and weight savings versus traditional flanged end ball valves.
- Optimum flow technology matches or closely matches the valve thru bore to common mating pipe inside diameters, eliminating transition areas and erosion points.
- Product line includes ball valves, check valves, double ball valves, throttle ball valves, three-way ball valves and ball check combination valves.
- Valves specifically designed for use in unprocessed produced fluid applications.
Applications
- Offshore production and test manifolds
- Offshore chemical injection packages
- Onshore location well hookups
- Onshore production and separation units
Services
- Engineering
- Manufacturing
- Assembly and test
Metal Seated Trunnion Ball Valves

Key Features
- Series MST Size Range: 1″ thru 12″ API 5000, ANSI 2500, API 10000, API 15000.
- API 6AV1 Class II validation tested.
- Tungsten carbide ball and seats, lapped for positive sealing.
Applications
- FPSO turret manifolds
- Boarding valves and ESDV’s
- Frac valves
- Cementing and acidizing
Services
- Engineering
- Manufacturing
- Assembly and test
Low-Pressure Compact Ball Valves

Key Features
- Series LC Ball Valve Size Range: 3″ thru 6″ ANSI 600 and ANSI 900.
- Compact design provides substantial space and weight savings versus traditional API 6D flanged end ball valves.
- Valve thru bores match Sch. 80 pipe inside diameters, eliminating transition areas and erosion points.
- Valves specifically designed for use in unprocessed produced fluid applications.
Applications
- Onshore production testing
- Separator units, flare stacks and sales lines
Services
- Engineering
- Manufacturing
- Assembly and test
Manifold Systems

Key Features
- Building block design allows for a wide variety of connection options and design configurations.
- Tees, crosses, valves and end connections have matching bore sizes, which minimize transition areas and erosion points.
- Bolted connections allow for ease of disassembly for maintenance and/or repair work.
Applications
- Injection heads and waterfloods
- Choke manifolds
Services
- Engineering
- Manufacturing
- Assembly and test
Reverse Circulating Manifolds

Key Features
- Building block design allows for a wide variety of connection options and design configurations.
- Tees, crosses, valves and end connections have matching bore sizes, which minimize transition areas and erosion points.
- Bolted connections allow for ease of disassembly for maintenance and/or repair work.
Applications
- Reverse circulation for workover operations
Services
- Engineering
- Manufacturing
- Assembly and test
Diverter System Valves

Key Features
- Series DC Size Range: 10″ thru 18″ in ANSI Class 300, 600 and 900.
- Xylan coating of bodies, bonnets, and retainers provides corrosion resistance for ease of disassembly and extended life.
- Bore sizes designed to match or closely match Sch. 80, 100 or 120 pipe inside diameters to eliminate transition areas and erosion points.
- Compact design saves space and weight versus traditional API 6D trunnion-mounted ball valves.
- Wide selection of materials and valve configurations to meet application requirements.
Applications
- Drilling diverter systems
- 2″ thru 8″ valves offered for trip tank and booster line applications
- Marine drilling risers
Services
- Engineering
- Manufacturing
- Assembly & Testing
Subsea Valves

Key Features
- Compact design provides substantial space and weight savings.
- Wide variety of ROV operators and actuators available.
- ROV-friendly, low-operating torques.
- Wide variety of material and end-connection options to meet design criteria.
Applications
- MPD systems including flow spools and bleed and equalization lines
- BOP Panels
- Riser adapter valves
Services
- Engineering
- Manufacturing
- Assembly and test
Precommissioning Valves and Hot Stabs

Key Features
- Valve size range: 1″ thru 12″ ANSI 1500, API 5000, ANSI 2500. 1″ thru 8″ API 10000. 1″ thru 2″ API 15000.
- Hot stab size range: 1″ thru 6″ ANSI 2500. 1″ thru 4″ API 10000. 1″ & 2″ API 15000.
- Rated and hyperbaric tested to 10,000 feet water depth.
- Compact valve design provides substantial space and weight savings versus traditional flanged end ball valves.
- High-flow, hot stab assemblies include patented bolt-on compact flange receptacle outlet providing a wide range of connection materials and types.
Applications
- Pig launchers and receivers (PLR)
- Lay-down heads
- Gooseneck connectors
- Riserless intervention systems
Services
- Engineering
- Manufacturing
- Assembly and test
Permanent Service Valves

Key Features
- Size range: 1″ thru 12″ API 5000, ANSI 2500, API 10000, API 15000.
- API 6AV1 Class II validation tested.
- Tungsten carbide ball and seats, lapped for positive sealing.
- Z-ring metal-to-metal external seal ring with CRA grooves.
Applications
- Permanent service valves
- Connector systems
- Manifold systems
Services
- Engineering
- Manufacturing
- Assembly and test