Relief Valve, AL-250 Series

Relief Valve, AL-250 Series

All stainless steel design for superior corrosion resistance and durability. Dashpot structure is extremely effective for lines with large pressure pulsation or fluctuation. Reduces chattering and hunting.

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Part Number

Configured Part Number is shown.

Part Number
AL-250-0.1-15A
AL-250-0.1-20A
AL-250-0.1-25A
AL-250-0.1-32A
AL-250-0.1-40A
AL-250-0.1-50A
AL-250-0.2-15A
AL-250-0.2-20A
AL-250-0.2-25A
AL-250-0.2-32A
AL-250-0.2-40A
AL-250-0.2-50A
AL-250-0.3-15A
AL-250-0.3-20A
AL-250-0.3-25A
AL-250-0.3-32A
AL-250-0.3-40A
AL-250-0.3-50A
AL-250-0.4-15A
AL-250-0.4-20A
AL-250-0.4-25A
AL-250-0.4-32A
AL-250-0.4-40A
AL-250-0.4-50A
AL-250-0.5-15A
AL-250-0.5-20A
AL-250-0.5-25A
AL-250-0.5-32A
AL-250-0.5-40A
AL-250-0.5-50A
AL-250-0.6-15A
AL-250-0.6-20A
AL-250-0.6-25A
AL-250-0.6-32A
AL-250-0.6-40A
AL-250-0.6-50A
AL-250-0.7-15A
AL-250-0.7-20A
AL-250-0.7-25A
AL-250-0.7-32A
AL-250-0.7-40A
AL-250-0.7-50A
AL-250-0.8-15A
AL-250-0.8-20A
AL-250-0.8-25A
AL-250-0.8-32A
AL-250-0.8-40A
AL-250-0.8-50A
AL-250-0.9-15A
AL-250-0.9-20A
AL-250-0.9-25A
AL-250-0.9-32A
AL-250-0.9-40A
AL-250-0.9-50A
AL-250-1.0-15A
AL-250-1.0-20A
AL-250-1.0-25A
AL-250-1.0-32A
AL-250-1.0-40A
AL-250-1.0-50A
Part NumberVolume DiscountDays to ShipSupply Side, Nominal Designation of Piping Thread Denomination B(Denomination A) Control Side Naminal Pipe Threads B name (A name) Maximum Applicable Pressure Data
8 Day(s) or more 1/2B(15A)1/2B(15A)0.1
8 Day(s) or more 3/4B(20A)3/4B(20A)0.1
8 Day(s) or more 1B(25A)1B(25A)0.1
Quote 1 1/4B(32A)1 1/4B(32A)0.1
Quote 1 1/2B(40A)1 1/2B(40A)0.1
Quote 2B(50A)2B(50A)0.1
8 Day(s) or more 1/2B(15A)1/2B(15A)0.2
8 Day(s) or more 3/4B(20A)3/4B(20A)0.2
8 Day(s) or more 1B(25A)1B(25A)0.2
Quote 1 1/4B(32A)1 1/4B(32A)0.2
Quote 1 1/2B(40A)1 1/2B(40A)0.2
Quote 2B(50A)2B(50A)0.2
8 Day(s) or more 1/2B(15A)1/2B(15A)0.3
8 Day(s) or more 3/4B(20A)3/4B(20A)0.3
8 Day(s) or more 1B(25A)1B(25A)0.3
Quote 1 1/4B(32A)1 1/4B(32A)0.3
Quote 1 1/2B(40A)1 1/2B(40A)0.3
Quote 2B(50A)2B(50A)0.3
8 Day(s) or more 1/2B(15A)1/2B(15A)0.4
8 Day(s) or more 3/4B(20A)3/4B(20A)0.4
8 Day(s) or more 1B(25A)1B(25A)0.4
Quote 1 1/4B(32A)1 1/4B(32A)0.4
Quote 1 1/2B(40A)1 1/2B(40A)0.4
Quote 2B(50A)2B(50A)0.4
8 Day(s) or more 1/2B(15A)1/2B(15A)0.5
8 Day(s) or more 3/4B(20A)3/4B(20A)0.5
8 Day(s) or more 1B(25A)1B(25A)0.5
Quote 1 1/4B(32A)1 1/4B(32A)0.5
Quote 1 1/2B(40A)1 1/2B(40A)0.5
Quote 2B(50A)2B(50A)0.5
8 Day(s) or more 1/2B(15A)1/2B(15A)0.6
8 Day(s) or more 3/4B(20A)3/4B(20A)0.6
8 Day(s) or more 1B(25A)1B(25A)0.6
Quote 1 1/4B(32A)1 1/4B(32A)0.6
Quote 1 1/2B(40A)1 1/2B(40A)0.6
Quote 2B(50A)2B(50A)0.6
8 Day(s) or more 1/2B(15A)1/2B(15A)0.7
8 Day(s) or more 3/4B(20A)3/4B(20A)0.7
8 Day(s) or more 1B(25A)1B(25A)0.7
Quote 1 1/4B(32A)1 1/4B(32A)0.7
Quote 1 1/2B(40A)1 1/2B(40A)0.7
Quote 2B(50A)2B(50A)0.7
8 Day(s) or more 1/2B(15A)1/2B(15A)0.8
8 Day(s) or more 3/4B(20A)3/4B(20A)0.8
8 Day(s) or more 1B(25A)1B(25A)0.8
Quote 1 1/4B(32A)1 1/4B(32A)0.8
Quote 1 1/2B(40A)1 1/2B(40A)0.8
Quote 2B(50A)2B(50A)0.8
8 Day(s) or more 1/2B(15A)1/2B(15A)0.9
8 Day(s) or more 3/4B(20A)3/4B(20A)0.9
8 Day(s) or more 1B(25A)1B(25A)0.9
Quote 1 1/4B(32A)1 1/4B(32A)0.9
Quote 1 1/2B(40A)1 1/2B(40A)0.9
Quote 2B(50A)2B(50A)0.9
8 Day(s) or more 1/2B(15A)1/2B(15A)1
8 Day(s) or more 3/4B(20A)3/4B(20A)1
8 Day(s) or more 1B(25A)1B(25A)1
Quote 1 1/4B(32A)1 1/4B(32A)1
Quote 1 1/2B(40A)1 1/2B(40A)1
Quote 2B(50A)2B(50A)1

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Basic Information

Regulating Valve / Safety Valve Type Safe Valve Applicable Fluid Water / Oil Max. Applicable Pressure(MPa) 0.11~1
Max. Fluid Temperature(℃) 120 Connection Type Equal Dia. Connection Supply Side, Screw Connection Types Rc
Control Side, Thread Connection Type Rc Primary Pressure(MPa) 0.05~1.0 Material (Valve Body / Valve Seat) Stainless Steel

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