Safety Valves, Control Valves

Safety Valve, Relief Valve AL-150 Series

YOSHITAKE

[Features]
・ It is a versatile type that supports fluids such as steam, air, water, and oil
・ The pressure division was subdivided, and ultra-precise finishing by advanced technology was realized to pursue the best performance
・ Main parts (valve body, valve seat) and adjustment spring are made of stainless steel, and SCS14A (equivalent to SUS316) with excellent corrosion resistance is used for main parts
・ The sealed structure prevents fluid from leaking to the outside

RP-9, 10, 11 Type Pressure-Reducing Valve (for Steam)

VENN

[Features]
- Pilot-operated pressure reduction valve for the decompression of high-pressure steam.
- Maximum pressure reduction ratio is 20:1; operation remains stable even under high differential pressure.
- Face-to-face dimensions are the same as the old RP-2H type, but it is 40% lighter in weight.

RP-6 Type Pressure Reducing Valve (for Steam) Benten

VENN

Pilot operated general-purpose products (high-capacity) such as construction equipment, factory equipment, etc.

[Features]
· The VENN-TEN is a pilot-operated pressure reducing valve used in main pipes and large flow-rate lines of construction equipment, industrial steam circuits, various production equipment, system industries, etc.
・­ This pressure-reducing valve is designed with operability as the number 1 priority in this design. It has stable performance under various conditions, and it is easy to install and use because it is small and light.
· The adoption of the piston guide structure and special seal ring make control stable.
· Can be used for a wide range of pressures and flow rates.
▪ As for RP-6 type, it is easy to adjust the pressure by manual handle operation with automatic lock mechanism (nominal diameter 15 to 80).
· Compact design.

Safety Relief Valve, AL-150T Series

YOSHITAKE

[Features]
· Soft seats are utilized in the main parts for a superior valve seat airtight performance. Optimal for applications in which valve seat leaks are unacceptable.
· The main parts: valve body, seat. and adjustment springs are made from stainless steel. Anti-corrosive SCS14A is used for the main parts.
· The sealed construction prevents liquid from leaking outside.

Pressure Reducing Valves for Hot and Cold Water, GD-28-NE Series

YOSHITAKE

Corrosion-resistant materials are used in the liquid-contacting parts. Superior chlorine resistance against running cold and hot water. The top section can be disassembled unidirectionally, allowing for internal inspection.

CAD ：

2D

AF-4 Series Air Vent Valve

VENN

The equipment is used in building facilities and factory facilities, etc. It is an air vent valve for fluids. It automatically discharges the air that accumulates in the pipes and the air inside an airtight tank and makes the fluid flow smoothly.

[Features]
▪ Due to the improved airtightness, it has adopted the swing valve body.
▪ The amount of air discharged from the equipment is comparatively large.
▪ It has a simple structure that allows easy handling.
· AF-4CN is a rust-resistant nylon-coated product.

Relief Valve, AL-260 Series

YOSHITAKE

[Features]
・ Main parts are made of stainless steel, and all wetted parts are made of corrosion resistant material
・ By adopting a dashpot structure, it has a great effect on lines with large pulsations and pressure fluctuations
・ Chattering and hunting are reduced
・ It has stable operation against back pressure changes during continuous blowing

VD-1H Type Vacuum Adjustment Valve

VENN

[Features]
▪ It prevents the suction of the air in a valve when it opens due to the decrease in set pressure and it also prevents the creation of vacuums in pipes and equipment.
▪ Using a silencer when the vapor pipe is attached prevents suction of water into the pipe when vapor stops generating.

AF-10 Series, Air Vent Valve

VENN

A stainless steel air relief valve with excellent corrosion resistance and durability, with a strainer built-in to the main body, and with air intake and exhaust functions.

[Features]
· Easy design installation possible with the built-in strainer.
· Stainless steel with superior corrosion resistance and durability.
· The discharge port can be freely rotated 360°, so installation is simple.
· Equipped with a manual shut-down control.

Safety Valve, Relief Valve AL-140 Series

YOSHITAKE

[Features]
・ It is made entirely of stainless steel, SCS14A (equivalent to SUS316) with excellent corrosion resistance is used for the main part
・ The sealed structure prevents fluid from leaking to the outside

Safety Relief Valve, AL-17 Series

YOSHITAKE

[Features]
・ The main part (valve body, valve seat) is made of stainless steel, so it has excellent corrosion resistance and durability
・ The down pressure can be adjusted by seat ring
・ It can support set pressures up to 1.6 MPa

RD-43N, Pressure Reducing Valve for Door-to-Door (for Water / Hot Water), Benkei

VENN

A pressure-reducing valve for use in small-capacity, door-to-door water and hot water supply pipes installed inside studio apartments, etc.
· For larger capacity and general complex housing, use types RD-44N, 47N, etc.

[Features]
· Utilizes chlorine water-resistant EPDM.
· Sanitary design that prevents pooling of liquids.
· Reliable construction from low-to-high differential pressure.
· These are non-disassembly type pressure-reducing valves for safe and secure construction.
· Post-construction hydraulic testing can be performed with the reducing valve installed.
· Utilizes a new, simple test gag method.

Direct Acting Steam Pressure Reducing Valve - RE1 Type

MIYAWAKI

[Features]
・ Ultra compact and lightweight design, about half the size and weight of conventional products
・ Reliable operation, effective in saving energy and improving productivity
・ Increased rated flow rate by devising original orifice plate
・ The control bellows by original device has excellent durability
・ The handle is made of special plastic, easy to grip and shape with excellent heat dissipation
・ Sharp and simple design. Plus forged body is perfect for beautiful styling
・ Improved gaskets make maintenance easier
・ One of the attractions of this performance is that it is inexpensive
[Applications]
・ Cleaning / apparel industry
・ Food industry / dyeing industry
・ Ideal for heating equipment, sterilizers, rubber vulcanizers, etc.

Air Vent, 11-AV Series

YOSHITAKE

Operates at a greater output across a wide range of pressures. The free-floating lever is less prone to wearing. The valve body and valve seat are made of highly durable hardened chrome steel.

CAD ：

2D

Safety Relief Valve, AL-150TML Series

YOSHITAKE

Uses a lift valve lever mechanism for manually performing blowout inspections. The valve body/valve seat and adjustment spring are made from stainless steel. Anti-corrosive SCS14A is used in the main parts.

Air Vent Valve, TA-16 CVS Series

YOSHITAKE

[Features]
・ All materials other than valve discs, gaskets, check valves, check valve fitting are made of stainless steel
・ Wide operating pressure (0.01 to 1.0 MPa) gives stable displacement
・ Compact size allows installation in a small space
・ Excellent sealing performance because synthetic rubber is used for the valve disc
・ TA-16CVS makes it easy to connect any exhaust pipe by installing optional pipe connection parts
・ Since it has a check valve, it does not suck air even when the inlet side is under negative pressure
[Applications]
・ building equipment, factory equipment, housing complex

CAD ：

2D

Pressure Reducing Valve (Steam) GD-30 Series

YOSHITAKE

This small, lightweight, direct-acting pressure-reducing valve incorporates a stainless steel valve body and valve seat, uses an external-pressure bellows in its detection component, and has excellent durability.

CAD ：

2D

Pressure Reducing Valve (For Steam / Low Pressure) GP-1000 Series

YOSHITAKE

[Features]
▪ SHASE-S106 conforms to standards of pressure reducing valve (Air Conditioning and Health Engineering Society).
· The spherical shape of the main valve has excellent sealing properties to reduce valve seat leakage significantly (corresponding to the ANSI class IV) .
· Compared with conventional pressure reducing valves, workability and durability are significantly enhanced.

Lift Type Safety Valve AL-24/AL-24F Series

YOSHITAKE

[Features]
・ It uses a bronze valve box with a stainless steel valve seat so there is no risk of rust
・ Since it is a diaphragm type and has no sliding parts, it operates reliably
・ The set pressure range is as wide as 0.1 to 0.7 MPa with 1 spring, the adjusting thread is a handle type, and a butterfly nut is used for the lock nut, so the pressure can be easily changed
・ Smooth opening and closing even in continuous operation, it operates accurately with respect to the set pressure and discharges liquid
・ Stable operation can be obtained from small flow rate to large flow rate
・ According to the specifications, you can choose the material of the diaphragm and valve body from 2 types, NBR and FKM (fluoroelastomer)
・ It can be installed vertically, horizontally, top, or bottom

RP-7, Pressure-Reducing Valve (for Steam) Benten

VENN

For steam cleaning of food equipment, disinfection equipment, cleaning equipment, etc.

[Features]
· Compact pilot-operated pressure-reducing valve used in equipment and devices with a relatively low flow rate.
· Compact and lightweight (up to 50%, compared to other in-house products); device integration is supported.
· Adoption of a piston guide structure and special seal ring makes control stable from lower flow rates to the maximum rated flow rate.
· Manual handle control with auto locking mechanism makes pressure adjustment easy.
· Compact design.

RD-40, 41 Type Pressure-Reducing Valve (for Steam) Mini-Benten

VENN

For use in food machinery, medical equipment, laundry equipment, and other steam-based machinery

[Features]
- A direct-acting, pressure-reducing valve that is ideal for precise control of steam pressure for various equipment.
- Compact and lightweight; optimum for integration into devices.
- Optimal for items that need to be free of rust, such as food, kitchen equipment, medical equipment, laundry machines, and air conditioners (humidifiers).
- Stainless steel body suitable for higher-grade vapor lines.
- Provides large flow rates (heat) required when starting up equipment.
- Main body is made of bronze or stainless steel; main parts are made of stainless steel for clean vapor.
- Secondary side pressure can be smoothly adjusted with the manual handle on the automatic lock mechanism.
- Uses SUS316L bellows and a built-in strainer for high reliability.

Pressure Reducing Valve for Steam, Gas and Liquid, RD-3H Series

VENN

[Features]
· Pilot type direct-acting, pressure-reducing valve that is used in non-controllable, small flow-rate locations. It has good pressure-control with excellent wide pressure range adjustment characteristics. The main parts are made from SUS (for steam).
· Note: These valves differ for use with stream, air, vapor, and liquid.

Pressure Reducing Valve for Water, Hot Water, Air, RD-35F/36F Type, [Heisei]

VENN

· The [Heisei] series are pressure reducing valves for water made from bronze with stainless main parts. These valves combine corrosion resistance with controllability and reliability for compatibility in production plants, etc.

[Features]
· The SCS main body eliminates red water and it can also be used with stainless steel piping.
· A low-noise design.
· Smaller and lighter in weight by approx. 50% compared to conventional FC made parts.
· Water does not leak outside if the diaphragm is damaged.
· A pressure gauge can be installed directly onto the main body (secondary side only).

FD-6N, Fixed Flow Rate Valve (for Individual Resident Water Supply/Hot Water Supply), Benkei

VENN

In addition to mainly being used in central hot water supply systems for housing complexes, high-rises, and the like, this fixed flow rate valve is also used in water supplying systems. This adjustable valve automatically restricts flow rates so that flow rate is fixed in response to fluctuations in primary side pressure.

[Features]
• By using this fixed flow rate valve, it becomes possible to appropriately distribute supplied water and hot water volumes to each residence.
• As a result, system design and construction work are simplified, energy and water are saved, and water hammer is reduced.
• Mounting position can be changed to any orientation.
• Wide working differential pressure range.
• The simple structure takes advantage of rubber elasticity to maintain a stable flow rate.

RD-14 Model Series - Pressure Reducing Valve (for Cold Water/Warm Water/Air/Oil)

VENN

Direct acting pressure reducing valve for air, liquids, and water has a low pressure fluctuating range and can be used at low as well as high flow rates.

[Features]
· At the construction facilities, the product can be used to control the pressure of water supplied from elevated water tanks in mid-rise and high-rise buildings, or in water supply directly connected to pumps instead of elevated water tanks, as well as in boiler water supply. Industrial use of the product includes pressure control for fuel oil, lubricating oil, and air.
· Has a pressure balance structure, so changes to set pressures are minimal.
· Maintenance is easy as the upper side can be taken apart unidirectionally allowing for internal inspection.
· RD-14CN models come with nylon coating to protect from red water.

AF-9 Series Air Vent Valve

VENN

Air vent valve with built-in check valve such as pump suction side or sealed circuit

[Features]
· Air vent valve made of stainless steel with built-in strainer in the main body that boasts superior corrosion resistance and durability. The AF-10 type series has air intake and exhaust functions.
· AF-9 type series is an air vent valve with a built-in check valve and is structured to not intake here even when the inlet side is exposed to negative pressure. Hence, it is used when a function is required for only emitting and not in taking the air, such as in the pump suction inlet side and degassing system of sealed circuits.
· Easy design construction possible with the built-in strainer.
· Made of stainless steel for superior corrosion resistance and durability.
· The exhaust vents can be freely rotated 360° and are easy to work with.
· Equipped with manual shut-down control.
· Does not absorb air even when the pressure is negative, and therefore can be mounted into the pump suction inlet side.

Air Vent for Steam - AW2 Type

MIYAWAKI

[Features]
·Rapid air evacuation shortens equipment start-up time.
[Applications]
·It can be used for steam piping and various devices.

Relief Valve, AL-250 Series

YOSHITAKE

[Features]
・ Since it is entirely made of stainless steel, it has excellent corrosion resistance and durability
・ By adopting a dashpot structure, it has a great effect on lines with large pulsations and pressure fluctuations. Chattering and hunting are reduced
・ It has stable operation against back pressure changes during continuous blowing

CAD ：

2D

Safety Relief Valve, AL-140T Series

YOSHITAKE

[Features]
・ Since it is entirely made of stainless steel, it has excellent corrosion resistance and durability
・ A soft seat is used for the main part, and it has excellent airtightness in the valve seat
・ It is ideal for applications where valve seat leakage cannot be tolerated
・ The sealed structure prevents fluid from leaking to the outside

CAD ：

2D

Safety Relief Valve, AL-150L Series

YOSHITAKE

[Features]
· The main parts (valve body and seat) and adjustment springs are made of stainless steel; in particular, the main parts use SCS14A (equivalent to SUS316) which has excellent corrosion resistance.
· With lift valve lever types, discharge inspections can be performed manually at a pressure that is 75% or more of the discharge pressure.

CAD ：

2D

Safety Relief Valve, AL-150TR Series

YOSHITAKE

A handle-operated valve for changing the pressure easily. Usable as a relief valve.

[Features]
· The AL-150 is a handle-operated valve for changing the pressure easily. Therefore, this valve can be used as a relief valve.
· Soft seats are utilized in the main parts for a superior valve seat airtight performance.
· Optimal for applications in which valve seat leaks are unacceptable.
· The main parts (valve body and seat) and adjustment springs are manufactured from SCS14 stainless steel (SUS316 EQUIV) with excellent anti-corrosive properties.
· The sealed construction prevents fluid from leaking outside.

Safety Relief Valve AL-300/AL-301 Series

YOSHITAKE

[Features]
▪Mainly used in safety relief values after pressure reducing valves and in safety valves such as small boilers and various pressure containers and instruments.
· The AL-301 has stainless steel main components (valves and valve seats), so it offers superior corrosion resistance and durability.

CAD ：

2D

Safety Relief Valve AL-300T/AL-301 T Series

YOSHITAKE

[Features]
・ Fluoropolymer disc is used for the valve, so it has excellent seat airtightness
・ The main part (valve body / valve seat) of AL-301T is stainless steel, which has excellent corrosion resistance and durability

CAD ：

2D

Safety Relief Valve, AL-4T Series

YOSHITAKE

[Features]
· Mainly used as a safety relief valve downstream of a pressure reducing valve, safety valve for various pressure vessels and instrumentation equipment, and relief valve for pumps.
· Fluororesin disks are used in AL-4T valve parts for superior valve seat sealing.

Relief Valve AL-52F-95 Series for Hot water Equipment

YOSHITAKE

Attached to the piping system of a hot water heat exchanger, when there is a rise in pressure in the system due to the expansion of the water or pressure rise due to the abnormality, it will be used for the purpose of ensuring the safety of the equipment.

[Features]
▪ A diaphragm with a large effective pressure area is used in the pressure receiver, so the spouting amount during initial operations is considerable, and spouting at start and end pressure is stable.
· The water contact part and mechanical part are separated by a diaphragm and are therefore hygienic.
· A manual lever is attached, so actuation, level check and drainage from the whole system are easily performed.
· The diaphragm has superior durability as it is made from heat resistant and water resistant synthetic rubber.
▪ The AL-72F relief valve uses parallel screws in the exit connection that makes piping easy with the cap nut.
▪ The AL-52S relief valve has superior corrosion resistance properties because its valve seat is made from stainless steel. This makes it suitable for use in electric water heaters.

Intake Valve - Automatic Intake Valve - VB-10 Series

YOSHITAKE

[Features]
• This valve increases atmospheric pressure by applying air to the pipe from which it is difficult to drain the water. Consequently, water is easily drained during water drainage operations.
• As a 60-mesh strainer is built into the valve, there are no blockages due to scale.
• In addition, even if water leaks due to blockage, water can be stopped by tightening the cap.
• As the highest temperature is 95°C, warm water is also supported.
• Can be mounted in both vertical and horizontal directions (Downward facing not possible).

Intake and Exhaust Valves, TAV-2 Series

YOSHITAKE

Quickly prevents air from being sucked back when negative pressure occurs. Automatically works in response to air intake and exhaust requirements.

CAD ：

2D

Air Vent Valve TA-16CVA, Series

YOSHITAKE

Provides a stable displacement across a wide range of operating pressures (0.01–1.0 MPa). Compact design permits installation in small space. Included check valve prevents air being sucked in on inlet side, even at negative pressure.

CAD ：

2D

Air Vent Valve TA-16L Series

YOSHITAKE

[Features]
・ All materials other than valve discs, gaskets and L-shaped hose fittings (TA-16L) are made of stainless steel
・ Wide operating pressure (0.01 to 1.0 MPa) gives stable displacement
・ Compact size allows installation in a small space
・ Excellent sealing performance because synthetic rubber is used for the valve disc
[Applications]
・ building equipment, factory equipment, housing complex

CAD ：

2D

Air Vent Valve TA-16 Series

YOSHITAKE

Provides a stable displacement across a wide range of operating pressures (0.01–1.0 MPa). Its compact size enables mounting in a narrow space.

[Features]
• All parts are made of stainless steel, except for the valve body disk, gasket, and L-hose fitting (TA-16L), which ensures excellent corrosion resistance and durability.
• The valve body disk is made of fluororubber, which ensures excellent sealing performance.
• The TA-16 can easily be connected to an exhaust pipe by mounting the optional pipe connectors.

CAD ：

2D

Air Vent Valve, TA-3/TA-6 Series

YOSHITAKE

Operates at a wide range of pressures, allowing use from low to high pressures. The valve seat uses a synthetic rubber disk, preventing leakage from the valve, but as a precautionary measure a screw has been added to mount the copper tube fitting onto the top part of the valve seat.

CAD ：

2D

Pressure Reducing Valves (Steam), GD-30S Series

YOSHITAKE

Optimal for applications such as food processing machinery and medical equipment, due to wetted parts made of stainless steel.

CAD ：

2D

Pressure Reducing Valves (Steam), GD-6N Series

YOSHITAKE

Small, and lightweight, with constant secondary pressure accuracy even at small capacities. · The valve body and valve seat have superior durability thanks to the use of stainless steel.

[Features]
Constant secondary pressure accuracy does not change even at small capacities.
· Compact and lightweight.
· The valve body and valve seat have superior durability thanks to the use of stainless steel.
· A screen (60 mesh) is built in to protect the valve body and seat from foreign material, pipe scales, and pipe chips.

CAD ：

2D

Pressure Reducing Valve (Steam), GP-1000H Series

YOSHITAKE

[Features]
・ It reacts extremely sensitively to fluctuations in primary pressure and changes in flow rate, and can maintain the secondary pressure constant
・ The pressure can be easily regulated and has a wide set pressure range
・ It complies with SHASE-S106 pressure reducing valve (The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan) standards

Pressure Reducing Valve (Steam), GP-1000S Series

YOSHITAKE

[Features]
・ It complies with SHASE-S106 pressure reducing valve (The Society of Heating, Air-Conditioning and Sanitary Engineers of Japan) standards
・ Since the main valve has a spherical shape, it has excellent sealing performance and the amount of valve seat leakage is significantly reduced (Compliant with ANSI Class IV)
・ When compared with conventional pressure reducing valves, workability and durability are significantly enhanced