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Safety Valves, Control Valves（Safety Valve Type：Relief Valve）

Safety valves and regulator valves are valves installed in equipment such as lines. They are used to regulate air, water, steam or other media. They also prevent damage to lines or other equipment. They are used for hydraulic containers, pressure-reducing valve secondary sides, plant equipment and other pilot solenoid valves, and water supply lines for large water tanks. Safety valves are crucial components in reciprocating displacement pumps, which are prone to pressure overload. Safety valves and regulator valves come in varieties such as pressure-reducing valves (for steam), safety relief valves, pressure-reducing valves for waterworks and air vent valves. They are made of materials such as stainless steel, cast iron and resin. Installing a safety valve at a poor location creates the risk of generating a dead-end shutoff pressure that will blow the safety valve at the secondary side of the pressure-reducing valve and cause the valve to operate when conditions are normal. When mounting safety valves, installing them at the correct positions for the operating environment is important.

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Specification/Dimensions

Regulating Valve / Safety Valve Type
- Pressure Relief Valve
- Primary Pressure Reducing Valve
- Differential Pressure Control Valve
- Pressure Sustaining Valve
- Thermostatic Valve
- Air Vent Valve / Intake and Exhaust Valve
- Air Intake Valve / Vent Valve
- Safety Valve / Relief Valve
- Flow Rate Control Valve
- Constant Water Level Valve
- Others
Clear

Applicable Fluid
- Water
- Steam
- Air
- Oil
- Gas
- Chemical
Clear

Pressure Relief Valve Shape
- Pilot Type Diaphragm
- Pilot Type Piston
- Linear Motion Diaphragm
- Linear Motion Bellows
Clear

Primary/differential pressure control valve, anti-drop valve
- Linear Motion Type
- Pilot Type
Clear

Thermostatic Valve Model
- Linear Motion Type for Heating
- Linear Motion Type for Cooling
- Mixing Valve
Clear

Safety Valve Type
- Lift Safety Valve
- Relief Valve
- Vacuum Relief Valve
Clear

Max. Applicable Pressure(MPa)
0.1 or Less

0.11 to 1

1.01 to 2

2.01 to 3
Clear

Max. Fluid Temperature(℃)
5~40

5~55

5~60

5~80

5~90

5~100

5~150

5~170

40

60

60 or Less

65 or Less

80

80 or Less

85 or Less

90

95

100

120

150

160

173

184

184 or Less

200 or Less

204

210

220

220 or Less

250 or Less

260

Normal Temperature
Clear

Body Material
Brass

Bronze

Cast Iron

Cast Steel

Resin

Stainless

Stainless Cast Steel
Clear

Valve Nominal Diameter
10A

15A

20A

25A

32A

40A

50A

65A

80A

100A

150A

200A
Clear

Connection Type
- Same Diameter Connection
- Different Diameter Connection
- Only Input Side Connection
Clear

Supply Side, Screw Connection Types
- Rc
- R
- G
- G (Union)
- Rp
Clear

Supply Side, Flange Connection Types
JIS 10K Flange

JIS 16K Flange

JIS 20K Flange

JIS 30K Flange
Clear

Supply Side, Other Connection Types
- Socket Welding Type
- Resin Tube Connection
Clear

Supply Side, Plumbing Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

2B

3/4B

3/8B

10B
Clear

Supply Side, Tube Flange Nominal
15A

20A

25A

32A

40A

50A

65A

80A

100A

125A

150A

200A
Clear

Supply Side, Plumbing Pipe Dia.(φ)
18.3

22.3

26.3

32.3

38.4

48.5

60.6
Clear

Control Side, Thread Connection Type
- Rc
- R
- G
- G (Union)
- Rp
Clear

Control Side, Flange Connection Type
JIS 10K Flange

JIS 16K Flange

JIS 20K Flange

JIS 30K Flange
Clear

Control Side, Other Connection Type
- Metal Tube Connection
- Tube Connection
- Hose Connection
- Resin Tube Connection
Clear

Control Side Plumbing Pipe Thread Nominal
1B

1 1/2B

1 1/4B

1/2B

1/4B

2B

3/4B

3/8B

10B
Clear

Control Side, Tube Flange Nominal
15A

20A

25A

32A

40A

50A

65A

80A

100A

125A

150A

200A
Clear

Control Side, Plumbing Pipe Diameter(φ)
8

18.3

22.3

26.3

32.3

38.4

48.5

60.6
Clear

Control Side, Connecting Tube Diameter(φ)
5

6

6 (O.D. 8)
Clear

Body Lining
- N/A
Clear

Brand	ESCO (0) FMVALVE (0) MIYAWAKI (0) RS Pro (0) SEKISUI CHEMICAL (1) TOYO VALVE (0) VENN (1) WASHINOKIKI (0) YOSHITAKE (0)
CAD	2D 3D
Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

2 items

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ESLON Valve Relief Valve

SEKISUI CHEMICAL

[Features]
▪ Protects the piping line by releasing pressure in case of increase in abnormal pressure.
▪ Covers 0.02 to 1.0 MPa with two types. Optional relief pressure can be set using pressure adjustment bolt.
▪ Demonstrates reliable relief function with both horizontal and vertical installation.
· Excellent in corrosion resistance and chemical resistance because corrosion resistant material is used for the liquid contact component.

From: ฿ 100.00
Days to Ship: Quote

Quote

Compare

SL-35N/35HN Type, Relief Valve for Hot Water Equipment

VENN

Diaphragm type relief valve for small hot water boilers and electric water heaters. Used as a relief valve for pressure caused by thermal expansion and on the secondary side of pressure reducing valve.

From: ฿ 1,273.73
Days to Ship: 7 Day(s)

7 Day(s)


Brand
Product Series
From
Days to Ship
Regulating Valve / Safety Valve Type
Applicable Fluid
Pressure Relief Valve Shape
Primary/differential pressure control valve, anti-drop valve
Thermostatic Valve Model
Safety Valve Type
Max. Applicable Pressure(MPa)
Max. Fluid Temperature(℃)
Body Material
Valve Nominal Diameter
Connection Type
Supply Side, Screw Connection Types
Supply Side, Flange Connection Types
Supply Side, Other Connection Types
Supply Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Supply Side, Plumbing Pipe Dia.(φ)
Control Side, Thread Connection Type
Control Side, Flange Connection Type
Control Side, Other Connection Type
Control Side Plumbing Pipe Thread Nominal
Control Side, Tube Flange Nominal
Control Side, Plumbing Pipe Diameter(φ)
Control Side, Connecting Tube Diameter(φ)
Body Lining

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	SEKISUI CHEMICAL	VENN
Product Series	ESLON Valve Relief Valve	SL-35N/35HN Type, Relief Valve for Hot Water Equipment
From	฿ 100.00	฿ 1,273.73
Days to Ship	Quote	7 Day(s)
Regulating Valve / Safety Valve Type	Safety Valve / Relief Valve	Safety Valve / Relief Valve
Applicable Fluid	Water / Oil / Chemical	Water
Pressure Relief Valve Shape	-	-
Primary/differential pressure control valve, anti-drop valve	-	-
Thermostatic Valve Model	-	-
Safety Valve Type	Relief Valve	Relief Valve
Max. Applicable Pressure(MPa)	0.11 to 1	0.1 or Less ～ 0.11 to 1
Max. Fluid Temperature(℃)	100	5~100
Body Material	Resin	Bronze
Valve Nominal Diameter	10A ～ 50A	-
Connection Type	Same Diameter Connection	Different Diameter Connection
Supply Side, Screw Connection Types	Rc	R
Supply Side, Flange Connection Types	JIS 10K Flange	-
Supply Side, Other Connection Types	Resin Tube Connection	-
Supply Side, Plumbing Thread Nominal	1B ～ 3/8B	3/4B
Supply Side, Tube Flange Nominal	15A ～ 50A	-
Supply Side, Plumbing Pipe Dia.(φ)	18.3 ～ 60.6	-
Control Side, Thread Connection Type	Rc	Rc
Control Side, Flange Connection Type	JIS 10K Flange	-
Control Side, Other Connection Type	Resin Tube Connection	-
Control Side Plumbing Pipe Thread Nominal	1B ～ 3/8B	1/2B
Control Side, Tube Flange Nominal	15A ～ 50A	-
Control Side, Plumbing Pipe Diameter(φ)	18.3 ～ 60.6	-
Control Side, Connecting Tube Diameter(φ)	-	-
Body Lining	N/A	-