Three Way Control Valves

Transcription

1 No. SS2-HDT Three Way Control Valves Model HDT OVERVIEW 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. SPECIFICTIONS Type HDT (Diverting service three-way valve) ody Type Three-way cast globe valve Nominal size 3, 4, 5, 6 inches Pressure rating JIS 10K, 20K, 30K NSI Class 150, 300 JPI Class 150, 300 End connection Flanged end; Connection type Pressure rating pplicable standard JIS10K JIS FF NSI Class 150 NSI JPI Class 150 JPI-7S JIS10K JIS JIS20K JIS RF JIS30K JIS NSI Class 150, 300 NSI JPI Class 150, 300 JPI-7S Material SCPH2, SCS13, SCS14 For body/trim material combinations and operating temperature ranges, refer to Table 3. onnet Plain bonnet (0 to 230 C) Extension bonnet (0 to -5 C and 200 to 425 C) Note) Take care not to exceed the operating temperature ranges specified for respective materials. Gland type olted gland Packing/grease Grease not provided; When V shaped PTFE packing or PTFE yarn packing is used. Grease provided; When graphite packing is used. Note) PTFE: Polytetrafuloroethylene. Gasket Type; Flat type, serrated type Material; SUS316, SUS316L, copper Trim Valve plug Three-way, V-port with linear characteristics (LV) Material SUS316, SUS316L SUS316 Stellite, SUS316L Stellite Note) For fluid conditions requiring Stellite, refer to Table 3. ctuator Type Single acting diaphragm actuator (Type H) ction Direct or reverse action Diaphragm Cloth embedded ethylene propylene rubber - 1-3rd Edition

2 No. SS2-HDT Spring range 20 to 98 kpa {0.2 to 1.0 kgf/cm 2 } 80 to 240 kpa {0.8 to 2.4 kgf/cm 2 } Supply pressure 120 to kpa {1.2 to 3.5 kgf/cm 2 } Note) Spring range varies depending on allowable differential pressure and air supply pressure. ir connection Rc1/4 or 1/4NPT internal thread mbient temperature -30 to 70 C Valve action ir fail bottom close (Direct action actuator is combined.) ir fail bottom open (Reverse action actuator is combined.) For relations between the valve action and the flow, refer to Table 4. Optional accessories (provided upon request) *, pressure regulator with filter, *, limit switch, solenoid valve, motion transmitter, booster relay, lock-up valve, and others. Note) 1. For the optional items, refer to the specification sheets and installation drawings of respective accessories. 2. ccessories with the asterisk mark (*) are selected from among the following types Table 1 depending on the actuators to be combined. Hand wheel ctuator P/P I/P Top Side H2 to 4 HTP VP/HEP THM SHM dditional specification (by special order) Special inspection characteristics inspection, material inspection (Material certificate), non-destructive inspection. Double gland Oil/water free treatment Copper free treatment Stainless steel (SUS304) atmosphere-exposed nuts and bolts. Special air piping and joints Sand-/dust preventive measure Saline damage countermeasures Cold-proof specifications Tropical proof specifications Vacuum service Performance Rated Cv value Table 2 Cv value and travel Inherent rangeability 30 : 1 llowable differential pressure Refer to Table 5 and Table 6. zbil Corporation Nominal size (inches) Port size (inches) Rated Cv value Rated travel (mm) Leakage specification IEC :2006 or JIS :2008 Metal seat Standard Class IV: Leakage less than 0.01% of maximum valve capacity. Hysteresis error Without positioner: Within 3% F.S. (Within 5% F.S.) With positioner: Within 1% F.S. Linearity Without positioner: Within ± 5% F.S. With positioner: Within ± 1% F.S. Note) When positioner is not provided, operating performance may vary depending on type of packings used. Dimensions Refer to Figure 4 and Table 7. Weight Refer to Table 8. ctuator orientation Refer to Figure 5. Finish lue (Munsell 105/10) or silver, or other specified colors

3 zbil Corporation No. SS2-HDT Table 3 ody / trim material combinations and operating temperature ranges ( C) ody Material JIS SCPH2 SCS 13 SCS 14 Trim material STM 216WC 351 CF8 351 CF8M JIS SCS316 (SUS14) 0 to to to 300 JIS SUS316L (SCS16) 0 to to 300 JIS SUS316 Stellite (SCS14 Stellite) 0 to to 425* 0 to 425* JIS SUS316L Stellite (SCS16 Stellite) 0 to 425* 0 to 425* Note) 1. shows standard combination of valve body and trim materials. 2. When the high pressure gas control regulation is applicable, the maximum operating temperature of materials marked with an asterisk is up to 350 C. Normal differential pressure kpa {kgf/cm 2 } 1470 {15} 981 {10} 490 {5} Stellite range Cv value (%) Characteristics (1) Characteristics (2) Fluid temperature ( C) Travel (%) Figure 1 Note) Temperature / normal differential pressure ranges requiring stellite When cavitation, flushing service, oil free treatment service, or retention of valve closing performance is required, stellite is recommended regardless of temperature and differential pressure. Note) Figure 2 characteristics This graph indicates ideal flow rate characteristics. Table 4 rate characteristics and flow service rate characteristics ctuator Valve action Diverting Characteristics (1) : Direct action Figure 3. a Characteristics (2) : Reverse action Figure 3. b HDT diverting service a. Valve with direct-action actuator (ir fail bottom close) b. Valve with reverse-action actuator (ir fail bottom open) Figure 3 Valve action - 3 -

4 No. SS2-HDT zbil Corporation llowable differential pressure PTFE packing Table 5 HDT (Diverting service) ctuator model no. Supply pressure kpa {kgf/cm 2 } Spring range kpa {kgf/cm 2 } Differential pressure [by port size (inches)] kpa {kgf/cm 2 } H2D, R 140 {1.4} 20 to 98 {0.2 to 1.0} 80 to 240 {0.8 to 2.4} 90 {0.9} 620 {6.3} 50 {0.5} H3D,R 140 {1.4} 20 to 98 {0.2 to 1.0} 80 to 240 {0.8 to 2.4} 160 {1.6} 1100 {11.2} 90 {0.9} 620 {6.3} 50 {0.5} 390 {4.0} 40 {0.4} 270 {2.8} H4D, R 140 {1.4} 20 to 98 {0.2 to 1.0} 80 to 240 {0.8 to 2.4} 260 {2.7} 1900 {19.4} 150 {1.5} 1070 {10.9} 98 {1.0} 690 {7.0} 60 {0.6} 470 {4.8} Note) 1) : is necessary. : Can be operated either with or without positioner. 2) Take care not to cause the maximum allowable differential pressure to exceed the maximum operating pressure designated by NSI or JIS Graphite packing P6610CH+P6528 (+230 to +350 C) Table 6 HDT (Diverting service) ctuator model no. H2D, R H3D,R H4D,R Supply pressure kpa {kgf/cm 2 } Spring range kpa {kgf/cm 2 } 80 to 240 {0.8 to 2.4} Differential pressure [by port size (inches)] kpa {kgf/cm 2 } Note) 1) : is necessary. 2) Take care not to cause the maximum allowable differential pressure to exceed the maximum operating pressure designated by NSI or JIS {4.7} 850 {8.6} 1550 {15.8} 260 {2.6} 470 {4.7} 870 {8.8} 300 {3.0} 540 {5.5} 210 {2.1} 380 {3.8} - 4 -

5 zbil Corporation DIMENSIONS Table 7 Face-to-face and external dimensions No. SS2-HDT (Unit: mm) Nominal size (inches) ctuator model no. JIS 10K FF, RF NSI 150RF E H JIS 20K RF JIS 30K RF NSI 300RF JIS 10K FF, RF JIS 20K RF JIS 30K RF NSI 150 RF NSI 300 RF Plain bonnet Extension bonnet H2D, R H3D, R H4D, R H2D, R H3D, R H4D, R H3D, R H4D, R H3D, R H4D, R H E Figure 4 Face-to-face and external dimensions Table 8 Weight Nominal size (inches) (Unit: kg) FF, RF ctuator model no. JIS 10K, NSI 125, 150, JPI 125, 150 JIS 16, 20, 30K, NSI 300, JPI 300 Plain bonnet Extension bonnet Plain bonnet Extension bonnet H2D, R H3D, R H4D, R H2D, R H3D, R H4D, R H3D, R H4D, R H3D, R H4D, R

6 No. SS2-HDT zbil Corporation No.1 (Standard type) No.2 No.3 No.4 Figure 5 ctuator orientation Note) Indicate by position number when installation other than the standard type is required. Ordering Information When ordering, please specify; 1) 2) 3) 4) 5) 6) 7) 8) Model Number: HDT Nominal size X Port size or Cv required Type and rating of end connections ody and trim material, necessity of hardening Type of bonnet Type of actuator, air to diaphragm Valve action (direct or reverse) ccessories (positioner,, pressure regulator etc.) 9) 10) 11) 12) 13) 14) Special requirement of oil/water or copper free treatment, etc. Name of flow medium Normal flow and maximum required flow Pressure of flow medium, upstream and downstream pressure at maximum required flow Temperature and specific gravity of flow medium Viscosity of flow medium, inclusive or exclusive of slurry - 6 -

7 Note

8 Please read the "Terms and Conditions" from the following URL before ordering or use: Specifications are subject to change without notice Kawana, Fujisawa Kanagawa Japan URL: (10) 1st Edition: Issued in June rd Edition: Issued in June 2012 No part of this publication may be reproduced or duplicated without the prior written permission of zbil Corporation.