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Check Valves

Check Valves

BuTech check valves are know for their rugged construction which provides assurance of fail-safe operation at pressures up to 100,000 psi (6,900 bar). For operation in temperatures ranging from 0° to 600°F (-18° to 315°C). All Butech check valves have a default cracking pressure of 15 psi.

The ball check valves are ideal when leak tight shut-off is not necessary. This valve uses no elastomers and employs a metal to metal seal. The temperature range for the ball check valve is -420° F to 1200° F (-251° C to 648° C).

The O-ring check valves reliably prevents backflow where leak-tight shutoff off of liquids or gases is required. The standard construction uses a Buna-N o-ring, the O-Ring Check Valve is also available with the following O-rings: Viton, Teflon and Kalrez.
Temperature ranges for the O-Ring Check Valve is:
Buna-N -65° to 250° F (-54° to 121° C)
Viton -40° to 500° F (-40° to 260° C)
Teflon -320° to 400° F (-195O to 204° C)
Kalrez -25° to 550° F (-29° to 288° C)

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HAWE Directional Spool Valve

Directional Spool Valves

Directional Spool Valve

Hawe Hydraulics’ directional spool valves can be used to control the direction of movement and the velocity of single and double-acting hydraulic consumers.  Hawe manufactures three types of direction spool valve including:

  • On/Off Directional Spool Valves
  • Proportional Directional Spool Valves
  • Throttling Directional Spool Valves
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On/Off Directional Spool Valves

On/off directional spool valves are used to control the direction of movement of consumers such as hydrostatic motors and hydraulic cylinders.

HAWE Type SG SP - On Off Directional Spool Valve

Type SG and SP

The directional spool valve type SG is available as a single valve for pipe connection. Type SP is available as a valve for manifold mounting. Due to the robust design the directional spool valve type SG and SP reaches operating pressures up to 400 bar. It is of versatile use due to different types of actuation.

Intended applications include mobile hydraulics, in particular in special vehicles, in municipal trucks and in shipbuilding.

SizeDesignsSystem pressureFlow rate (lpm)
0Porting40012
1Porting40020
2Porting40030
3Porting40050
5Porting400100
SizeDesignsSystem pressureFlow rate (lpm)
1Manifold mounting40012
3Manifold mounting40050
5Manifold mounting400100
HAWE Type SW SWP SWR - On Off Directional Spool Valve

Type SWP

The directional spool valve type SWP is available as a manifold mounting valve. Type SW is available as a single valve for pipe connection. Intended applications for the directional spool valve type SWP and SW include industrial hydraulics, in particular, machine tools.

SizeDesignsSystem pressureFlow rate (lpm)
1Porting31512
2Porting31525
SizeDesignsSystem pressureFlow rate (lpm)
1Porting, Manifold mounting, Valve bank31525
2Porting, Manifold mounting31525
SizeDesignsSystem pressureFlow rate (lpm)
1Valve bank31512
2Valve bank31525
HAWE Type NSWP - On Off Directional Spool Valve

Type NSWP

The directional spool valve type NSWP is available as a manifold mounting valve. Type NSWP is available with a nominal size 6 hole pattern (NG 6). The directional spool valve type NSWP can be flexibly adapted to different control tasks by means of additional functions in the pump line and/or on the consumer side (e.g. restrictors, restrictor check valves). Intended applications for the directional spool valve type NSWP include industrial hydraulics, in particular, machine tools.

SizeDesignsSystem pressureFlow rate (lpm)
2Porting, Manifold mounting31525
HAWE Type SWS - On Off Directional Spool Valve

Type SWS

The directional spool valve bank type SWS is available with series connection. The consumers can be operated with on-off or proportional control. Versions are available for usage in potentially explosive atmospheres. By means of additional functions in the pump line, in the intermediate plates (longitudinal and sandwich valve combination) and ancillary blocks the directional spool valve bank can be flexibly adapted to different control tasks.

Intended applications include mobile hydraulics, in particular civil engineering, agricultural engineering and material handling.

SizeDesignsSystem pressureFlow rate (lpm)
2Valve bank31525
HAWE Type HSF - On Off Directional Spool Valve

Type HSF

The directional spool valve type HSF is a manifold mounting valve. Due to the robust design, it reaches operating pressures of up to 400 bar.

Adjustable threaded throttles are used to adjust the response time. Harsh switching operations and decompression surges, particularly in the event of high pressure and large consumer volumes, can be avoided this way.

SizeDesignsSystem pressureFlow rate (lpm)
3Manifold mounting40080
4Manifold mounting400160

Proportional Directional Spool Valves

Proportional directional spool valves control the direction of movement and the velocity of individual or multiple hydraulic consumers actuated simultaneously. Control is independent of the load and continuous.

Type PSL, PSV, PSM, SL, HMPL and HMPV

The proportional directional spool valve type PSL is suitable for constant pump systems and type PSV for variable pump systems with a pressure/flow controller. The volumetric flows and load pressures for the individual consumers can be individually adjusted. The proportional directional spool valve type PSL and PSV can be adapted to various control tasks, e.g. for safety functions. All sizes can be combined with each other.

The proportional directional spool valve type PSL and PSV is used in mobile hydraulics, in particular in crane and lifting equipment, construction and mining machinery, drilling equipment as well as in offshore and marine technology.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank42010060
3Valve bank420200120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank42010060
3Valve bank420250120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420250120
5Valve bank400350270
SizeDesignsSystem pressureFlow rate (consumer) (lpm)
2Components42060
3Components420120
5Components400270
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank250, 350160, 400160
/2Valve bank250, 350100, 400100, 160
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank250100100
3Valve bank250160160
HAWE Type PSLF Proportional Directional Spool Valve

Type PSLF, PSVF and SLF

The proportional directional spool valve type PSLF is suitable for constant pump systems and type PSVF for variable pump systems with a pressure/flow controller.The proportional directional spool valve type PSLF and PSVF is available as an individual manifold mounting valve or in the valve bank. The volumetric flows and load pressures for the individual consumers can be individually adjusted. The directional spool valve can be adapted to different control tasks. Connections on the rear permit easy access to the valve for servicing, even in tight installation spaces. All sizes can be combined with each other.

The proportional directional spool valve type PSLF and PSVF is used in mobile hydraulics, in particular in crane and lifting equipment, construction and mining machinery, drilling equipment as well as in offshore and marine technology.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420120120
5Valve bank420350270
7Valve bank4201000500
SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
3Valve bank420120120
5Valve bank400350270
7Valve bank4201000500
SizeDesignsSystem pressureFlow rate (consumer) (lpm)
3Manifold mounting420120
5Manifold mounting400270
7Manifold mounting420500
HAWE Type EDL Proportional Directional Spool Valve

The directional spool valve type EDL with series connection is actuated directly. The flows for the individual consumers can be individually adjusted. By means of additional functions in the intermediate plates (longitudinal and sandwich valve combination) and ancillary blocks the proportional directional spool valve can be flexibly adapted to different control tasks.

The directional spool valve type EDL can be combined directly with the proportional directional spool valve type PSL and PSV in size 2. It is used in mobile hydraulics, in particular in civil engineering and agricultural engineering.

SizeDesignsSystem pressureFlow rate (total, pump) (lpm)Flow rate (consumer) (lpm)
2Valve bank32010054

Throttling Directional Spool Valves

Throttling directional spool valves can continuously and manually meter the volumetric flow in hydraulic systems with single and double-acting consumers.

HAWE Hydraulik Throttling Directional Spool Valve

Type DL

The throttling directional spool valve type DL influences the speed of the consumer by throttling the pump circulation via a parallel circuit (bypass control). The close fit of the spool in the throttling directional spool valve means that the leakage is limited to a minimum for lifting functions.

The throttling directional spool valve type DL is suitable for applications in material handling and for lifting equipment.

SizeDesignsSystem pressureFlow rate (lpm)
1Valve bank31516
2Valve bank31530
3Valve bank25060
4Valve bank25090

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Medium Pressure Needle Valves

Needle Valves

BuTech Needle Valves

Looking for a quality needle valve?  BuTech is the brand we recommend most.

BuTech has a needle valve for just about any application.  They designed their needle valves for liquid and gas flow control in petroleum, chemical, power generating and general industrial applications.

  • Low Pressure Needle Valves – 0° to 600°F (-18° to 315°C), up to 15,000 PSI (1,030 bar)
  • Medium Pressure Needle Valves – -100°F to 600°F (-73°C to 315°C), 20,000 PSI (1,380 bar)
  • High Pressure Needle Valves – -100°F to 600°F (-73°C to 315°C), 150,000 PSI (10,340 bar)
  • Subsea Needle Valves – externally sealed up to 14,000′ (4200 meters)
  • Pipe Needle Valves –
  • Sour Gas Service Needle Valves – 30,000 PSI at 100°F (2070 bar at 38°C)

Available in a variety of body styles, these needle valves are designed for operation at temperatures ranging from -100° to +600°F (-73° to +315°C). Optional packings and/or extended stuffing boxes increase the range to -423° to +1200°F (-253° to +648°C).

*Note: BuTech Pressure Systems does not recommend compression sleeve connections below 0°F (-18°C) or above 650°F (343°C).

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Subsea Ball Valves

Subsea Ball Valves

Subsea ball valves are externally sealed design for depths to 14,000 feet (4200 meters).  All valves are internally pressure tested to at least 50% over rated pressure and have a typical service life guarantee of 25 years and Manufactured to meet the requirements of NACE MR0175, API Spec 6A & 17D, ASME, ANSI and various others. API 6A , 19th ed., ISO 10423:2003 PR2, Annex F/PSL3G qualified valves available.

Subsea ball valves are custom designed for instrumentation, process control and chemical injection applications. Remote operated vehicle (ROV) capabilities in template control panels, subsea wellheads and christmas trees.  Subsea ball valves provide trouble free operation in a variety of media including hydrogen sulfides, corrosion inhibitors, paraffin thinners, hydraulic fluids and other harsh chemicals, and s may be produced in any machinable metal with special seal materials. Standard materials include 316 cold-worked stainless steel and high pressure super duplex.

2-way ball valves come in 3/8’, 1/2” and 1” configurations; 3-way ball valves come in 3/16’, 3/8” & 1/2” configurations, and 4-way ball valves come in a 3/8” configuration.

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Butech subsea ball valve

Subsea Ball Valve Features

  • Rapid quarter turn action provides quick open/close action for easy ROV / diver operation.
  • Independent spring-loaded seals for full differential pressure.
  • Trunnion mounted ball design and blowout proof stem for maximum safety.
  • Externally sealed design for depths to 14,000 feet (4200 meters).
  • Easy mounting for ROV, diver or remote actuation.
  • PEEK® seats to offer resistance to chemicals, heat and wear/ abrasion.
  • Unlimited replaceable end connection capabilities for installation versatility.
  • Double barrier o-rings or cup seal options to prevent the ingress of seawater.
  • Full port flow path through valve to minimize pressure drop.
  • Bi-directional flow capabilities.
  • A variety of seal materials are available for different services
  • Special alloys available for extreme service
  • Optional mounting patterns and interfaces

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Butech 5-way ball valve

5-Way Valves

5-Way Valves

Our huge 5-way valve inventory is ready to ship.  These 5 way ball valves allow for direct media flow from a single bottom inlet to one of four separate lines.  The 360° quarter-turn design allows for continuous on-line service.  5-way valves are available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections.

They are also available with special seal materials or manufactured from any machinable material for extreme applications. They also can be fitted with pneumatic or electric actuators for remote control.

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Butech 5-way valve

5-Way Valve Features

  • Pressures to 10,000 PSI (1,380 bar) at 72°F (22°C).
  • 3/16″ to 1″ (4.7mm to 25.4mm) ports.
  • Pressure loaded seats assure positive sealing.
  • Blowout-proof stem and ball provides maximum safety.
  • Bi-directional flow capabilities.
  • Straight-through flow path minimizes pressure drop.
  • Quarter-turn operation accommodates quick open-and-close needs.
  • Flow indicating handling indicates valve position at a glance.
  • Choice of replaceable connections for installation versatility.

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BuTech 4-way valve

4-Way Valves

4-Way Valves

BuTech’s 4-way valve utilize a double-ported ball for crossover of two flows.  The 90° quarter-turn design allows for continuous on-line service. The valve can be used in place of a three valve manifold. This 4 way valve ise available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections.

They are available with special seal materials or manufactured from any machinable material for extreme applications. They also can be fitted with pneumatic or electric actuators for remote control.

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BuTech 4-way valve

4-Way Valve Features

  • Pressures to 10,000 PSI (1,380 bar) at 72°F (22°C).
  • 3/16″ to 1″ (4.7mm to 25.4mm) ports.
  • Pressure loaded seats assure positive sealing.
  • Blowout-proof stem and ball provides maximum safety.
  • Bi-directional flow capabilities.
  • Straight-through flow path minimizes pressure drop.
  • Quarter-turn operation accommodates quick open-and-close needs.
  • Flow indicating handling indicates valve position at a glance.
  • Choice of replaceable connections for installation versatility.

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Butech 3-way valve

3-Way Valves

3-Way Valves

BuTech offers two 3 way valve types; diverting ball valves and switching ball valves.  The diverting type of 3 way valve is designed to divert media from a single source to one of two separate lines. The 90° quarter-turn design allows for continuous on-line service and are available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections.

The switching type of 3 way valve is designed for switching service are ball valves designed to direct media from bottom inlet port to one of two separate lines. The 180° quarter-turn design allows for positive shutoff in the center position. 3-way ball valves for switching service are available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections.

They are both available with special seal materials or manufactured from any machinable material for extreme applications. They can also be fitted with pneumatic or electric actuators for remote control.

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3-Way Valve Features

  • Pressures to 20,000 PSI (1,380 bar) at 72°F (22°C).
  • 3/16″ to 1″ (4.7mm to 25.4mm) ports.
  • Pressure loaded seats assure positive sealing.
  • Blowout-proof stem and ball provides maximum safety.
  • Bi-directional flow capabilities.
  • Straight-through flow path minimizes pressure drop.
  • Quarter-turn operation accommodates quick open-and-close needs.
  • Flow indicating handling indicates valve position at a glance.
  • Choice of replaceable connections for installation versatility.

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Trunnion Ball Valves

Trunnion Ball Valves

BuTech offers a 2-way trunnion ball valve for severe high-cycle applications. These valves are constructed of the same materials as our three-way diverting and switching valves and are designed to operate in temperatures from -20°F to 400°F (-28°C to 204°C).

2-way trunnion ball valves are available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections. They are available with special seal materials or manufactured from any machinable material for extreme applications. They also can be fitted with pneumatic or electric actuators for remote control.

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butech trunnion ball valves

Trunnion Ball Valve Features

  • Pressures to 20,000 PSI (1,380 bar) at 72°F (22°C).
  • 3/16″ to 1″ (4.7mm to 25.4mm) ports.
  • Pressure loaded seats assure positive sealing.
  • Blowout-proof stem and ball provides maximum safety.
  • Bi-directional flow capabilities.
  • Straight-through flow path minimizes pressure drop.
  • Quarter-turn operation accommodates quick open-and-close needs.
  • Flow indicating handling indicates valve position at a glance.
  • Choice of replaceable connections for installation versatility.

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Butech 2 way floating ball valve

Floating Ball Valves

Floating Ball Valves

BuTech’s 2-way floating ball valve is available with a wide range of connections including male and female NPT, low-pressure compression fittings, medium- and high-pressure tube ends, medium- and high-pressure female, JIC 37° flare, SAE O-ring boss, socket-weld, butt-weld, and metric connections.

They are available with special seal materials or manufactured from any machinable material for extreme applications. They also can be fitted with pneumatic or electric actuators for remote control. 2-way Floating Ball Valves for On-Off Service should be limited to non-critical applications.

It is important that these valves always have an inlet pressure of at least 1,000 psig to properly load seals, if the pressure will sometimes drop below 1,000 psig, the valve may leak across the ball. It should not be used for gas applications.

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Butech 2 way floating ball valve

Floating Ball Valve Features

  • Pressures to 20,000 PSI (1,380 bar) at 72°F (22°C).
  • 3/16″ to 1″ (4.7mm to 25.4mm) ports.
  • Pressure loaded seats assure positive sealing.
  • Blowout-proof stem and ball provides maximum safety.
  • Bi-directional flow capabilities.
  • Straight-through flow path minimizes pressure drop.
  • Quarter-turn operation accommodates quick open-and-close needs.
  • Flow indicating handling indicates valve position at a glance.
  • Choice of replaceable connections for installation versatility.

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Haskel Stainless Steel Check Valve

Stainless Steel Check Valves

Stainless Steel Check Valves

The Haskel stainless steel check valve line is made of 316 series stainless steel for high corrosion resistance making them perfect for use in chemical, processing and power generating industries.

Stainless Steel Check Valve Features

  • Sizes ¼” through 1” use ball.
  • Larger sizes (1-1/4”, 1-1/2” and 2”) use a poppet for reduced inertia.
  • PTFE seat seal for positive bubble-tight sealing (with gas) from cyrogenic to 375°F (190°C) temperatures.
  • Seals also available for radioactive environments, or up to 500°F steam.
  • Can be furnished without soft seat for higher temperature steam service.
  • Larger valves can be furnished for flange mounting to customer specification on special quantity orders.
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Haskel Stainless Steel Check Valve

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