Safety valve is capable of obtaining a lift where the seat flow area becomes sufficiently larger than the area of the throat.
SA Series
FULL BORE SAFETY VALVE WITH HIGH COEFFICIENT OF DISCHARGE SA100
By computer analyzing, Mihana Technical Staff provides the best work. As an on-site witness of a public institution officer, it was simultaneously confirmed that the coefficient was high and there was no leakage even after 100 performance tests.
PLAIN LEVER FULL BORE SAFETY VALVE SA110
This SV can be used for applications such as Vapor, Steam and High-Temperature Steam and is also reliable in all situations with a Proved Records of Large-Size Productions.
FULL BORE SAFETY VALVE FOR HIGH TEMPERATURE SERVICE SA500
Cooling Spools are provided to minimize the Heat Effects on the Springs. It can be used for high temperatures. Please be careful of Flange Rating for Temperature and Pressure.
BALANCED BELLOWS FULL BORE SAFETY VALVE SA200
It is suitable for unstable back pressure. Our Lapping Technique has minimized seat leakage. High pressure products over 10MPa are also available.
ADJUSTABLE FULL BORE RELIEF VALVE RA100
This RV (Relieve Valve) is designed to release fluid when the Inlet Pressure increases to a Predeter Mined Set Pressure. A hand wheel is provided to adjust the optional set pressure.
SG Series
FULL BORE SAFETY VALVE FOR PACKAGED BOILER SG122
This SV is a Packed Lever Full Bore Safety Valve with a Flange Inlet and Threaded Outlet.
FULL BORE SAFETY VALVE FOR STEAM SERVICE SG922
This SV is developed to satisfy Little Blowdown. It is suitable for below 10 Percent Blowdown.
SC Series
THREADED FULL BORE SAFETY VALVE SC121
This product has Compact Design with Excellent Performance. Closed lever type is standard. After poping, steam is never released except from outlet.
THREADED FULL BORE SAFETY VALVE （Male INLET）SC122
It also has Compact Design with Excellent Performance. Closed Lever Type is Standard. After poping, steam is never released except from outlet.
LINEUP
SA Series
| Category | Material | Fluid | Connection ※1 | Type | |||
|---|---|---|---|---|---|---|---|
| Gas | Steam | Liquid | Threaded | Flanged | |||
| Conventional | Carbon Steel, Stainless Steel or Special material | ○ | ○ | ○ | ー | ○ | SA100 |
| Conventional (Plain lever) | Same as above | ○ | ○ | × | ー | ● | SA110 |
| Conventional (High Temperature) | Same as above | ○ | ○ | ○ | ー | ○ | SA500 |
| Balanced Bellows | Same as above | ○ | ○ | ○ | ー | ○ | SA200 |
| Conventional (Adjustable)リリーフ弁 | Same as above | ○ | ○ | ○ | ー | ○ | RA100 |
※1 ●mark is lever type
SG sereies
| Category | Material | Fluid | Connection ※1 | Type | |||
|---|---|---|---|---|---|---|---|
| Gas | Steam | Liquid | Threaded | Flanged | |||
| For Packed-boiler | Cast Iron | × | ○ | × | Outlet | Inlet | SG122 |
| For Packed-boiler | Cast Iron | × | ○ | × | Outlet | Inlet | SG922 |
※1 All type is with packed lever
SC Series
| Category | Material | Fluid | Connection ※1 | Type | |||
|---|---|---|---|---|---|---|---|
| Gas | Steam | Liquid | Threaded | Flanged | |||
| Conventional | SCS | ○ | ○ | ○ | ● | ー | SC121 |
| Conventional | CAC・FC・SCS | ○ | ○ | ○ | ● | ー | SC122 |
※1 ●mark is lever type