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LV-21 Control Valve(Pneumatic) + Pressure Rating: ASME B16.34 / JIS 10K, 16K, 30K & 40K + Body Wall Thickness: ASME B16.34 + Body Bore Size: ASME B16.34 + Inspection And Testing: API 598 + Finishes For Contact Faces of Flanges : ASME B16.5 or MSS-SP-6 + Marking System: MSS-SP-25 + End Connection: - ASME B16.5(Raised Face) / ASME B16.25(Butt Weld) / - ASME B16.34(Ring Joint) / ASME B16.11(Socket Weld Ends) ++ Actuator + Single Acting Diaphragm Actuator(Type SA) / Single Acting Piston Actuator(Type SV) + Double Acting Piston Actuator(Type SP) + Supply Pressure: + Diaphragm Actuator-Type SA(1.2~4.0 kgf/cm2) + Type SV5(1.2~2.8 kgf/cm2 ) + Piston Actuator-Type SA(4~5kgf/cm2) / Type SV5(3~5 kgf/cm2) + Spring Range: Type SA or SV5;-0.2~1.0 or 0.8~2.4(kgf/cm2) +Type SV6; 1.9~3.5 or 1.9~4.0(kgf/cm2)
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The LV-21 Control Valve(Pneumatic) is an industrial valve designed for flow regulation using pneumatic actuation. It features a pressure rating of ASME B16.34 / JIS 10K, 16K, 30K & 40K, with body wall thickness and body bore size following ASME B16.34. Inspection and testing comply with API 598, and finishes for flange contact faces follow ASME B16.5 or MSS-SP-6. The marking system is MSS-SP-25. End connections include ASME B16.5 (Raised Face), ASME B16.25 (Butt Weld), ASME B16.34 (Ring Joint), and ASME B16.11 (Socket Weld Ends). The valve supports various actuator types: Single Acting Diaphragm (Type SA), Single Acting Piston (Type SV), and Double Acting Piston (Type SP). Supply pressure ranges are specified for diaphragm actuators (Type SA: 1.2~4.0 kgf/cm², Type SV5: 1.2~2.8 kgf/cm²) and piston actuators (Type SA: 4~5 kgf/cm², Type SV5: 3~5 kgf/cm²). Spring ranges include Type SA or SV5: -0.2~1.0 or 0.8~2.4 kgf/cm² and Type SV6: 1.9~3.5 or 1.9~4.0 kgf/cm².
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Dow Valve Co., Ltd. is a B2B supplier based in South Korea (Republic Of Korea), listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Dow Valve Co., Ltd. for prices, specifications and documents for Plant Valve - Control Valve(pneumatic) - Lv-21.
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