SL-44 type
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It is a safety relief valve positioned between the safety valve mainly used for steam and gas and the relief valve mainly used for liquids.
The height is smaller than the conventional cast iron product, so it is lighter. (Compared to our company)
Where to use
Pressure vesselPressure reducing valve for secondary side

Major features

  • Except for the main body and spring case, stainless steel with excellent corrosion resistance is used.
  • The weight is reduced by about 22 to 36% compared to our conventional products.
  • You can use it with the same feeling as the Fukutaro series. (Parts other than the main body, spring case, and valve seat are the same as the SL-37,38 type, so the performance is the same.)

specification

Product code SL44-G □The pressure classification symbol is entered in □.
format Lifting ceremony
type Hand supplies (metal sheet type)
Nameplate color Red
Cap format No lever
Nominal diameter 15-50 (1/2-2)
Applicable fluid steamIf the fluid is steam, it comes with an open lever and can be used up to 220 ° C.・ Gas / liquidPlease contact us if the fluid is kerosene or solvent.
Set pressure range 0.05-1.0MPaPlease contact us for the set pressure range less than 0.05MPa.
Fluid temperature 0-184 ℃We also manufacture fluid temperatures of 220 ° C or less.
End connection JIS 10K FF flangeWe also manufacture JIS 10K RF flanges.
Mounting posture Upright mounting
Material body FC
Material Valve body SCS (SUS)
Material Valve seat SCS (SUS)
Material Spring case FC

Download materials

Download materials

Common to all product symbols

SL-44 Catalog

SL-44 price list

SL-44 outline drawing

SL-44 Instruction Manual

SL44-G □

SL44-G reference diagram (nominal diameter 15-32)

SL44-G reference diagram (nominal diameter 40,50)

Frequently Asked Questions and Explanations

Please tell me the difference between the head type and the full volume type. (Answer details include a video)

There is a difference in the amount of blowout between the lift type and the total amount type. Either one can be used as long as the required amount of blowout is satisfied.

What is the purpose of the safety valve lever? (There is a video in the answer details)

This is to check if the safety valve can be operated and if there is any abnormality (sticking). (Operate when the pressure on the inlet side is 75% or more of the set pressure.)

Please tell me how to select the safety valve with lever and without lever.

As a general rule, select no lever (sealed type) for fluids that adversely affect the surroundings when the safety valve operates, such as flammable / toxic and liquid. If it is necessary to check the operation of the safety valve by operating the lever, select the one with a lever.

Inquiries about this product

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If you would like to contact us by phone, please contact VENN's sales office.

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Search tips

Products with different symbols depending on the product specifications are indicated by □.
When searching, please search by inputting up to the first character after the "-" (hyphen).

Notation on catalogs and websites

RD44N-F □

Contains characters that indicate pressure classification and options.

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RP7-FL
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RP7-FL
You can also search by product name or model.
product name
"Reducing valve", "solenoid valve", "safety valve", etc.
Model
"RP-6", "RD-31N", "SL-37", etc.