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SYV81 Venturi angle valve
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Product classification
Key words:
Product Details
SYV81
Venturi angle valve
Linear Stroke Regulating Valve
Product overview
The SYV81 Venturi angle valve produced by foreign technology is a top guide structure regulating valve. The valve body flow path is unobstructed, the pressure drop loss is small, and the flow rate is large. The valve core has a large guiding area and good vibration resistance. It is a multi-spring type film storage actuator for adjusting panning. It has a compact structure and large output force. The angle valve is widely used to control fluid containing particles and mud, viscous or flashing fluid.
Standard technical parameters
Valve body
Type: single-seat casting angle valve
Nominal diameter: 40-200mm
Nominal pressure: ANSI 125, 150, 300, 600
J1S10、16、20、30、40K
PN1.6、4.0、6.4MPa
Connection type: Flange type: FF, RF, RJ and LG
Standard as per ANSI B16.5 JIS B 2201
JBT79.1 PN 1.6 MPa JB/T79.2 Convex
Material: ZG25
ZG1Cr18Ni9 ZGOCr17N12Mo2
1.25Cro0.5Mo 5.0Cro0.5Mo
SCPH21 SCPH61 Title
Upper valve cover: normal temperature type (P):-0~200 ℃
Elongation type 1 (E1):-5 ~-0 ℃
200-± 425 ℃
Bellows seal (B): welding type (BD):50~350 ℃
Form (BF):-30-± 300 ℃
Gland type: bolt compression type
Filler: V-type PTFE material, impregnated with PTFE baking
Asbestos filler, graphite packing.
Intra-Valve Components
Spool type: upper guide single seat plunger type spool
Flow characteristics: equal percentage (%) and linear (L)(metal seat)
Material: stainless steel copper surfacing Si Tai Lai alloy
Working range: working temperature and differential pressure range of bellows seal
Operating temperature and differential pressure range for setaelei sex welding
implementing agency
Type: HA multi-spring membrane actuator.
Diaphragm material: ethylene propylene rubber clip nylon
Spring Fan Tian: 0.02-0.10,0.08-0.24MPa
Gas supply pressure: 0.14.0.30MPa
Air return connector: Rc14
Ambient temperature:-30~70 ℃
Valve action type: gas open or gas closed
Annex
Positioner, hand wheel mechanism, valve position transmitter, etc.
Performance
Leakage: in line with the standard ANSI B16.104IV level, less than 0.01 of the rated Cv.
Return difference: 3% (without locator)
1% (with locator)
Linearity: ± 5% (without positioner)
± 2% (with positioner)
Note: Standard V-type poly (ethylene tetragas) packing is used.
Adjustable Norm
30:1
Remarks:
1. The column size on the table is the value of the state valve without handwheel mechanism. If it is equipped with top-mounted handwheel mechanism, the size of handwheel mechanism shall be added accordingly, and the technical parameter table number of HA actuator shall be NO. AN10-29-2.
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