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4-WAY REVERSING VALVESHigh Volume OEM Item (Type STF) Type STF & VHVGENERAL DESCRIPTION•Pilot operated 4-way reversing valves are suitable for heat pump applications on unitary, split system and window type air conditioners, etc.•4-way pilot valve adoption has an advantage on reliable changeover operations.•Designed to lower the minimum operating pressure difference between high and low side. Pressure drop and valve leakage are minimized.TYPE NUMBER SELECTION (SPECIFICATIONS)•Max. working pressure:4.2MPa {42.8kgf/cm2} (Type STF–H****)4.15MPa {42.3kgf/cm2} (Type VHV, STF–****G)•Ambient temperature: −20 to 55°C•Allowable fluid temperature:−20 to 120°C (STF–H0104 to STF–1511G) −20 to 130°C (STF–2011G to 5001G, VHV–6001)•Ambient humidity: Less than 95% R.H. mark applicable (available upon request) UL listed (available upon request)Type STF–H01,H02Type STF–H04, H07Type STF–25, 30, 40, 50VHV–60・O.P.D.: Operating Pressure Differential (with air)High Volume OEM ItemCatalog No.Port Size (mm)Capacity (R410A)O.P.D. (MPa) {kgf/cm2}Connection (O.D.)Wt. (kg)(kW)(U.S.R.T.)Max.Min.DischargeSuction & CoilsSTF–H010481.8 to 6.40.51 to 1.823.1 {31.6}0.3 {3.1}5/16"3/8"0.2STF–H020211.12.0 to 11.40.57 to 3.243/8"1/2"0.32STF–H030111.55.3 to 14.61.50 to 4.151/2"5/8"0.37STF–H0404168.3 to 332.36 to 9.393/4"0.77STF–H07122021 to 535.97 to 15.03/4"7/8"1.32STF–1511G2339 to 5911.1 to 16.77/8"1–1/8"1.55STF–2011G2439 to 7411.1 to 21.0STF–2501G2852 to 9414.8 to 26.71"1–1/4"3.4STF–3001G3465 to 12418.5 to 35.21–1/4"1–1/2"4.7STF–4001G40115 to 18832.7 to 53.41–1/2"1–3/4"9.1STF–5001G50145 to 22541.2 to 63.92–1/8"9.4VHV–600160230 to 36065.4 to 102I.D. 1–5/8"2–5/8"20.0

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