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HLC Small-Bore Cage Single-Seated Control Valve

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HLC Small-Bore Cage Single-Seated Control Valve

Brand Name : WEYO

Model Number : HLC

Place of Origin : China

MOQ : Negotiable

Payment Terms : T/T,L/C

Supply Ability : 5000 units per month for small parts. 1000 units per month for large parts

Delivery Time : 7 - 15 days for small orders, 15 - 30 days for large orders

Packaging Details : Customized packaging to protect products

Type : Straight-through Single-seated Cage-type Cast Globe Valve

Nominal Diameter : 20、25mm

Nominal Pressure : ANSI 125、150、300、600 JIS 10、16、20、30、40K PN 1.6、4.0、6.4MPa

Connection Type : Flanged: FF, RF, RJ and LG Standards: ANSI B16.5, JIS B2201, JB/T 79.1 PN1.6MPa, JB/T 79.2 Male and Female Faces Welded: Socket Weld (SW)

Materials : HT200, ZG25, ZG1Cr18Ni9, ZG0Cr17Ni12Mo2, 1.25Cr0.5Mo, 5.0Cr0.5Mo, or SCPH21, SCPH61, Ti

Bonnet : Normal Temperature Type (P): -17~+230℃ Extended Type I (E1): -45~-17℃, +230~+566℃ Extended Type II (E2): Integral (E2I): -100~-45℃ Welded (E2W): -196~-100℃

Gland Type : Bolted Gland Type

Packing : V-type PTFE packing, PTFE-impregnated asbestos packing, asbestos braided packing

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HLC Small-Bore Cage Single-Seated Control Valve is a high-performance single-seated control valve suitable for high-pressure difference applications where the liquid pressure difference exceeds 3 MPa. The robust valve plug guidance and cage prevent liquid flashing and cavitation. The valve body features an S-streamline channel, ensuring minimal pressure drop loss, large flow capacity, and a wide adjustable range.

The control valve is equipped with a multi-spring diaphragm actuator, which offers a compact structure and high output force.

Trim
Plug Type Single-seated cage-type piston plug
Flow Characteristics Equal percentage (%) and linear (L) (for metal seats), refer to Figures 1 and 2
Cage Type Split cage
Materials 17-4PH, 0Cr17Ni12Mo2

Actuator
Type HA Multi-spring Diaphragm Actuator
Diaphragm Material EPDM with Nylon Insert
Spring Range 0.02~0.10 MPa, 0.08~0.24 MPa
Supply Pressure 0.14 MPa, 0.16 MPa, 0.28 MPa
Air Supply Connection Rc 1/4
Ambient Temperature -30~+70℃

Valve Action Type HA Multi-spring Diaphragm Actuator

Accessories Positioner, Handwheel Mechanism, Pneumatic Valve Position Transmitter

Performance
Leakage Complies with ANSI B16.104 Class IV standard, less than 0.01% of rated Cv
Hysteresis 1% (with positioner), 3% (without positioner)
Linearity ±1% (with positioner), ±5% (without positioner)
Remarks: Standard V-type PTFE packing is adopted

Adjustable Range 50∶1 (Cv ≥ 0.25) or 30∶1 (Cv ≤ 0.16)

Cv Values and Stroke

Table 1
Rated Cv Value 0.01 0.04 0.1 0.16 0.25 0.4 0.63 1.0 2.5 4.0
Flow Characteristics Metal Seat Equal Percentage ○ ○ ○ ○ ○ ○
Linear ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Rated Stroke (mm) 14.3
Nominal Diameter 20,25
Remarks: The symbol ○ indicates the specification range of the valve.
Flow Characteristics
Equal Percentage Characteristic (%)Figure 1 Flow Characteristics Curve
HLC Small-Bore Cage Single-Seated Control Valve
HLC Small-Bore Cage Single-Seated Control Valve
Figure 2 Flow Characteristics Curve
Allowable Pressure Difference

Table 2
Actuator Supply Pressure(Mpa) Spring Rang(Mpa) Positioner Allowable Pressure Differential(Mpa)
Rated Cv Value
≤0.25 0.40 0.63 1.0 1.6 2.5 4.0
HA2D
(HA2R)		 0.14 0.02~0.10 With or Without

4.0

10

4.0

6.2

4.0

6.2

 3.26 3.26 2.0 2.0

0.16

(0.28)

0.02~0.10

(0.08~0.24)

 With -

4.0

10

4.0

10

4.0

10

4.0

10

4.0

10

4.0

10

Remarks:

1.The maximum allowable pressure difference shall not exceed the maximum values specified in ANSI B16.34 or JIS B2201 standards.

2.The upper figures in the same cell indicate the allowable pressure difference when the valve is fully open, and the lower figures indicate

the allowable pressure difference when the valve is fully closed.

3.The values in parentheses are for reverse acting actuators.

Flange Distance

Table 3 Unit:mm
Nominal Diameter A
ANSI 125 FF
ANSI 150 RF
JIS 10K FF RF
PN 1.6 MPa
JIS
16K
RF
ANSI 300
JIS 20,30K RF
PN 4.0MPa
ANSI 600
JIS 40K RF
PN6.4 MPa
ANSI
150
RJ
ANSI
300
RJ
ANSI
600
RJ
JIS
20K
LG
JIS
30K
LG
ANSI
300
LG
ANSI
600
SW,BW
20 184 190 194 206 206 206 198 208 203 206
25 184 193 197 210 197 210 210 198 212 206 210

Ordering Instructions
1.Model number
2.Nominal diameter × seat diameter
3.Nominal pressure and flange connection type
4.Body and trim materials, surface hardening treatment requirements
5.Bonnet type
6.Flow characteristics
7.Actuator model, air supply pressure
8.Valve action type
9.Accessories (positioner, handwheel, pressure regulator, etc.)
10.Special requirements (oil-free, copper-free, etc.)
11.Medium name
12.Normal flow rate and required maximum flow rate
13.Medium pressure, inlet and outlet pressures at maximum and minimum flow rates
14.Medium temperature and specific gravity
15.Medium viscosity, and whether it contains suspensions

Product Tags:

cage control valves

      

cage pressure reducing valve

      

25mm control valves

      
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