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SYV75 low noise cage regulating valve
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Product classification
Key words:
Product Details
SYV75
Low noise cage regulating valve
Linear Stroke Regulating Valve
Product overview
The SYV75 low-noise cage regulating valve produced by foreign technology is mainly designed to reduce the noise of compressible fluid. In order to adapt to the throttling and expansion of gas, many symmetrical holes are arranged on the sleeve to reduce the pressure drop. The fluid channel star S is streamlined, and is also provided with a guide wing to improve the balanced flow of fluid around the sleeve, so the pressure drop loss of the regulating valve is small, the flow rate is large, and the noise is small. The valve core adopts a pressure-balanced structure, and the regulating valve is equipped with a multi-spring film actuator, which has a compact structure and large output force.
Standard technical parameters
Valve body
Type: straight through casting ball valve
Nominal diameter: 40-200mm
Nominal pressure: ANSI 150, 300, 600 J1S10, 16, 20, 30, 40K PN1.6, 4.0, 6.4MPa
Connection type: Flange type: RF, RJ and LG
Standard according to ANSI B16.5;JISB2201
JB/T79.1 PN1.6 MPa,JB/T79.2
Concave-convex surface
Welding type: Slay welding W(40-50mm)
Butt Weld SW(65200mm)
Material: ZG25
ZG1Cr18Ni9 ZGOCr17Ni12Mo2
1.25Cr0.5Mo 5.DC0.5M0
SCPH21 SCPH61 Title
Upper Bonnet:
Normal temperature type (P):-5~230 ℃
Elongation type I (E1): 230~566 ℃
Gland type: bolt compression type
Packing: V-type PTFE packing, impregnated with PTFE
Asbestos filling oblique, graphite braided packing.
implementing agency
Type: HA multi-spring membrane actuator.
Spring range: 0.02~0.10,0.08 ~ 0.24MPa
Air supply pressure: 0.14,0.16,0.28,0.40MPa
Air supply connector: Rc1/4
Ambient temperature:-30~70 ℃
Valve action type: gas open type or gas closed type
Performance
Leakage: in line with the standard ANSI B16.104III standard level,
Less than 0.1% of rated C.
Return difference: 3% (without locator)
1% (with locator)
Linearity: ± 5% (without positioner)
± 1% (with positioner)
Note: Use standard V-type PTFE packing.
Adjustable range
25:1
Remarks:
1. P = normal temperature type, E1 = elongation type I, E2 = elongation type II, E21 = integral type, E2W = welding type.
2. The size of column H on the table is the value of adjusting the closed handwheel mechanism. If the handwheel mechanism is equipped with top, the size of the handwheel mechanism should be added accordingly.
Check the technical parameter table of the HA actuator.
3. Elongate the size of E1 column of type I, with valves with J1S 10K and ANSI 125,150 on the left and valves with JIS 16K and ASSI 1300 or more on the right.
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