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SODHQ107 top guide piston shut-off valve
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Product classification
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Product Details
SODHQ107
Top guide piston shut-off valve
Pneumatic Linear Stroke Regulating Valve
Product overview
The SQDHQ107 type pneumatic diaphragm piston cut-off valve adopts a top guide structure, the valve body structure is tight, the fluid channel is S-streamlined, the pressure drop loss is small, the circulation is large, the valve seat closing performance conforms to GB/T4213-92 standard, and is equipped with a multi-spring diaphragm/piston cut-off mechanism, which has a small structure and large output force. The shut-off valve accepts; the signal from the regulating instrument can cut, open or change the flow direction of the medium to achieve automatic control of process parameters such as pressure, flow, temperature or liquid, and is more suitable for high temperature and high pressure occasions requiring reliability and high closing performance.
Standard technical parameters
Valve body
Type: straight through casting type valve body
Valve size: DN15-200mm 1/2 "-8"
Rated pressure: PN16, PN40, PN63 ANSI 150 300 600
Connection form: ANSI GB JB HG JPI JIS DIN
Welding (to be specified by user)
Flange standard: ANSI GB JB HG JPI JIS DIN
Sealing surface type: RF RJ FF RM flange connection
Flange end face distance: as GB12221-89
Material: NCB WC6 WC9 CF3 CF8 CF3M CF8M
Inner parts material: 304 316 304L 316L 17-4PH
Structure: Standard type (-20 ℃ ~ 200 ℃)
Heat dissipation type (-40 ℃ ~ 450 ℃)
Corrugated pipe seal type
Type of gland: thread type
Packing: V-type PTFE packing, flexible graphite packing
Gasket: type, tooth type and peace type
Material, F4/Modified F4, Stainless Steel-Stone Circle
Intra-Valve Components
Spool: plunger type spool
Metal seal
Quick opening feature
Soft seal (material: reinforced PTFE)
Quick opening feature
The actuator is of bracket type and column type (L)
Type: multi-spring film actuator
zQ(L)100BK，zQ(L)200BK，ZQ(L)400BK，ZQ(L)600BK,ZQ(L)1000BK
Multi-spring piston actuator (diaphragm type)
ZQ(L)100BK，ZQ(L)200BK，ZQ(L)400BK，ZQ(L)600BK
Valve role: positive role, reaction
Diaphragm material: nitrile rubber clip reinforced polyester fabric
Air supply pressure: ZMPQ type 0 or 200KPa
ZSPQ type 0 or 400-600KPa
Signal interface: internal thread M10 × 1.5
Ambient temperature:-30 ℃ ~ 70 ℃
Valve function
Air-off FO (with positive action actuator)
When the air supply fails, the actuator spring will open the valve.
Air-open FC (with reaction actuator)
When the air supply fails, the valve is closed by the actuator spring.
Accessories (configured as required)
Positioner, air filter relief valve, handwheel mechanism, limit switch,
Solenoid valve, valve position transmitter, sewing actuator, position retaining reader, others
Performance
Rated Kv value: refer to Table 1
Flow characteristics: quick opening
Seat leakage rate (% for rated K value)
Metal seal less than 0.01%(ANSI B16.104-1976IV) and
Less than 0.001%(is selection)
Soft seal less than 0.00001%
(ANSI B16.104-1976V1 level)
Overall dimension: refer to Table 2
Paint color: the pneumatic actuator of the regulating valve and the surface of the valve should be
Painted, stainless steel and copper valves may not be painted. The arrows and text on the valve body are painted red.
User-specified colors are also available.
| Nominal diameter DN(mm) | Seat diameter | Rated flow coefficient KV | Effective area of diaphragm (cm²) | Effective area of piston (cm²) | Rated stroke (mm) | |
|---|---|---|---|---|---|---|
| Single seat, sleeve | Tee | |||||
| 20 | 15 | 5 | 100 | 100 | 8 | |
| 20 | 7 | 100 | 100 | 8 | ||
| 25 | 25 | 11 | 11 | 100 | 100 | 8 |
| 32 | 32 | 20 | 20 | 100 | 200 | 8 |
| 40 | 40 | 30 | 30 | 200 | 200 | 12 |
| 50 | 50 | 48 | 48 | 200 | 200 | 12 |
| 65 | 65 | 75 | 75 | 400 | 400 | 20 |
| 80 | 80 | 120 | 120 | 400 | 400 | 20 |
| 100 | 100 | 190 | 190 | 400 | 400 | 25 |
| 125 | 125 | 300 | 300 | 600 | 600 | 40 |
| 150 | 150 | 480 | 480 | 600 | 600 | 40 |
| 200 | 200 | 760 | 760 | 1000 | 600 | 50 |
| Nominal diameter DN | L | A | H1 | H2 | H3 | H4 | H5 | H6 | H7 | Weight (kg) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PN16/40 | PN63 | PN16/40 | PN63 | PN16/40 | PN63 | PN16/40 | PN63 | PN16/40 | PN63 | ||||||
| 20 | 150 | 230 | 195 | 160 | 170 | 228 | 78 | 86 | 43 | 49 | 208 | 220 | 180 | 188 | 10 |
| 25 | 160 | 230 | 195 | 160 | 170 | 228 | 78 | 86 | 48 | 54 | 208 | 220 | 180 | 188 | 12 |
| 32 | 180 | 260 | 195 | 160 | 170 | 228 | 88 | 96 | 57 | 61 | 224 | 240 | 190 | 198 | 15 |
| 40 | 200 | 260 | 230 | 168 | 190 | 235 | 92 | 100 | 66 | 70 | 228 | 240 | 205 | 213 | 18 |
| 50 | 230 | 300 | 230 | 168 | 190 | 235 | 119 | 129 | 80 | 84 | 228 | 240 | 215 | 225 | 23 |
| 65 | 290 | 340 | 310 | 219 | 240 | 280 | 138 | 154 | 92 | 97 | 334 | 350 | 308 | 324 | 35 |
| 80 | 310 | 380 | 310 | 219 | 240 | 280 | 153 | 158 | 100 | 105 | 334 | 350 | 323 | 328 | 45 |
| 100 | 350 | 430 | 310 | 219 | 240 | 280 | 168 | 186 | 120 | 125 | 342 | 360 | 338 | 356 | 60 |
| 125 | 400 | 500 | 395 | 262 | 333 | 333 | 198 | 205 | 134 | 138 | 408 | 420 | 368 | 375 | 75 |
| 150 | 480 | 550 | 395 | 262 | 333 | 333 | 223 | 230 | 156 | 163 | 453 | 470 | 393 | 400 | 90 |
| 200 | 600 | 650 | 500 | 325 | 451 | 451 | 275 | 281 | 199 | 206 | 482 | 500 | 445 | 453 | 120 |
Note:
1. The weight in the table is the data of PSL type actuator.
2. The valve body flange and flange end face distance can be manufactured according to user-specified standards, such as ANSI,JS,DN and other standards.
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