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HMT/HDT Pneumatic Three-Way Control ValveThe valve model HMT is a three-way control valvefor mixing service.的详细信息The valve model HMT is a three-way control valve for mixing service.
The actuator employed is of a multi-spring type and has a small-sized, high-output diaphragm motor with an extremely simplified operating mechanism. It is used for the heat control of heat converters, etc. The valve model HDT is a three-way control valve for diverting service. It has a small-sized, high-output diaphragm motor which is suitable for big port and high differential pressure services. SPECIFICATIONS Body Type Three-way cast globe valve Nominal size 3/4’’, 1’’, 1-1/4’’, 1-1/2’’, 2’’, 2-1/2’’, 3’’, 4’’, 5’’, 6’’, 8’’, 10’’, 12’’, 14’’ Pressure rating •ANSI Class 125, 150, 300, 600 •JIS 10K, 16K, 20K, 30K, 40K •PN1.6, 4.0, 6.4, 10.0 Mpa End connection •Flanged End: FF, RF, RJ, LG According to ANSI B16.5, JIS B2201, JB/T79.1 PN1.6MPa, JB/T79.2 •Welded End: SW, BW Material A216 WCB, A216WC6, A352 LCB, A351 CF8, A351 CF8M, A351 CF3M, A351 CF3(see table3-1,3-2) Bonnet •Plain bonnet (-17 to 230°C) •Extension bonnet(-60 to -29℃or over 230°C)•Bellows Seal (see figure 2-1, 2-2) Gland type Bolted Gland Packing V shaped PTFE, PTFE, Flexible graphite Gasket material Stainless steel(SUS304, SUS316, SUS316L), copper,aluminum Trim Valve plug Three-way, V-port with linear characteristics Actuator Type Single-acting diaphragm actuator, Spring type piston actuator, Double acting piton actuator Diaphragm material Cloth embedded nylon and ethylene propylene rubber Spring range •20 to 100 kPa(0.2 to 1.0 kgf/cm2) •40 to 200 kPa(0.4 to 2.0 kgf/cm2) •80 to 240 kPa(0.8 to 2.4 kgf/cm2) Supply pressure 0.14, 0.25, 0.28, 0.4, 0.5 Mpa Air connection Rc1/4 or 1/4NPT internal thread Ambient temperature -30 to 70℃ Valve action •FO: Air to close(Direct action actuator is combined.) •FC: Air to open(Reverse action actuator is combined.) Optional accessories •P/P or I/P Positioner •Air filter regulator •Top-mounted or Side-mounted Handwheel •Limit switch •Solenoid valve •Motion transmitter •Booster relay •Lock-up valve •Air lock relay •Others Performance Rated Kv value Refer to table 1. Flow characteristics(Refer to table 2) •Linear Leakage •Metal Seat According to IEC 60534-4:2006 Class IV, leakage lessthan 0.01% of maximum valve capacity. Inherent rangeability •30:1 Hysteresis error •Without positioner: Within 3% F.S. •With positioner: Within 1% F.S. Linearity Without positioner: Within ±5% F.S. With positioner: Within ±1% F.S. |
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