Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) , and other safety regulations.
Safety Instructions Caution We develop, design, and manufacture our products to be used for automatic control equipment, and provide them for peaceful use in manufacturing industries. Use in non-manufacturing industries is not covered. Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the Measurement Act.
Angle Seat Valve / Air Operated Type For Air For Water For Steam Series RoHS How to Order JSB 4 1 S T 25A R Valve size Valve type/Pressure type Seal material Port size Symbol Series Symbol Valve type/Pressure type Symbol Material Valve size...
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Series Angle Seat Valve / Air Operated Type N.C. Low Pilot Type Flow Rate Characteristics Flow rate characteristics ∗ Max. operating pressure Pilot pressure Valve size Port size Model Weight [g] [MPa] [MPa] JSB11L-ST10Am-2S 3/8 (10A) 0.3 to 0.5 JSB21L-ST15Am-2S 1/2 (15A) 0.3 to 0.5 JSB31L-ST20Am-3S...
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Series Dimensions JSB11(L), JSB21(L) Breathing port option (See page 8.) ø (When a sintered metal element is mounted) 1/8 Breathing port Pilot port option (See page 8.) (When a fitting is mounted) Width across flats Width across flats 1/8 Pilot port Width across flats IN port OUT port...
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Series Angle Seat Valve / Air Operated Type Dimensions JSB51(L), JSB61(L), JSB71(L) Breathing port option (See page 8.) (When a sintered metal element is mounted) ø 1/4 Breathing port Pilot port option (See page 8.) (When a fitting is mounted) Width across flats Width across flats 1/4 Pilot port...
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Series Options Caution Recommended tube fittings when using steam as fluid For Pilot Port Applicable Head size: 1 to 4 (1/8 thread) Head size: 5 to 7 (1/4 thread) Mounting position Description tubing O.D. Pilot port option ø6 KQB2H06-01S — KQB2H06-G01 KQB2H06-02S —...
Series Specific Product Precautions 1 Be sure to read this before handling the products. Refer to the back cover for safety instructions. For 2-port solenoid valve for fluid control precautions, refer to the “Handling Precautions for SMC Products” and the “Operation Manual” on the SMC website: https://www.smcworld.com Design Selection Warning...
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Series Specific Product Precautions 2 Be sure to read this before handling the products. Refer to the back cover for safety instructions. For 2-port solenoid valve for fluid control precautions, refer to the “Handling Precautions for SMC Products” and the “Operation Manual” on the SMC website: https://www.smcworld.com Mounting Piping Warning...
Series Specific Product Precautions 3 Be sure to read this before handling the products. Refer to the back cover for safety instructions. For 2-port solenoid valve for fluid control precautions, refer to the “Handling Precautions for SMC Products” and the “Operation Manual” on the SMC website: https://www.smcworld.com Maintenance Replacement Parts Warning...
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