Hlsw/Htsw/Hcbw/Hcpw Pneumatic Bellows Sealing Control Valve

1. Product  Introduction
  HLSW/HTSW/HCBW/HCPW Pneumatic Bellows Sealing Control Valve is applicable to chemical, petroleum, metallurgy, light indutry and other industries for the automatic control of liquid and gas in pipelines. It features small pressure drop, wide adjustable range and high accuracy of flow characteristic, small leakage, double seal and compact structure.
  Patent No. 2012202576093, 2012202575372, 2012301853056, 2012301852068


2. Main Specifications


  
Flow characteristics
HLSW
Metal seat

Refer to Fig. 1 and Fig.3 of the Catalogue for  Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%CF) and linear characteristic(LCF)

Soft seat

Refer to Fig. 2 and Fig.3 of the Catalogue for  Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%TF) and linear characteristic(LTF)
HTSW
Metal seat


High capacity flow characteristic

Refer to Fig.4 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%C) and linear characteristic(LC)
Soft seat

Refer to Fig.4 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%T) and linear characteristic(LT)
Metal seat

High accuracy flow characteristic

Refer to Fig.5 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%CF) and linear characteristic(LCF)
Soft seat

Refer to Fig.5 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%TF) and linear characteristic(LTF)
HCBW/HCPW
Metal seat

High capacity flow characteristic

Refer to Fig.6 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%V) and linear characteristic(LV)
Soft seat

Refer to Fig.6 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%T) and linear characteristic(LT)
Metal seat

High precision flow characteristic

Refer to Fig.7 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%VF) and linear characteristic(LVF)
Soft seat

Refer to Fig.7 of the Catalogue for Pneumatic Bellows Sealing Control Valve for EQ% characteristic (%TF) and linear characteristic(LTF)

Remark: Refer to Fig.8 of the Catalogue for Pneumatic Bellows Sealing Control Valve for operating temperature and DP of soft seat and refer to Fig.9 of the Catalogue for Pneumatic Bellows Sealing Control Valve for application range of STL
   Adjustable range
HLSW
50:1(0.25≤Cv≤14),30:1( Cv≤0.16)
HTSW/HCBW/HCPW
50:1
Leakage
HLSW
Hard sealing: ANSI B16.104 IV(V,VI for option)
soft seal: ANSI B16.104 VI
HTSW
Hard sealing: ANSI B16.104 IV(V,VI for option)
soft seal: ANSI B16.104 VI
HCBW
Hard sealing: ANSI B16.104III( IV ,V,VI for option)
soft seal: ANSI B16.104 VI
HCPW
Hard sealing: ANSI B16.104 IV(V,VI for option)
soft seal: ANSI B16.104 VI
Performance

Hystersis

With intelligent positioner: less than 0.5% of total range

Basic Error

With intelligent positioner: less than 0.5% of total range
Allowable DP
HLSW
Refer to table 12 of the Catalogue for Pneumatic Bellows Sealing Control Valve
HTSW
Refer to table 13 of the Catalogue for Pneumatic Bellows Sealing Control Valve
HCBW/HCPW
Refer to table 14 of the Catalogue for Pneumatic Bellows Sealing Control Valve


3.  Body Specifications


Nominal Dia.
mm
20
25
40
50
65
80
100
inch
3/4
1
1.5
2
2.5
3
4

Model
HLSW
Δ
Δ





HTSW


Δ
Δ
Δ
Δ
Δ
HCBW


Δ
Δ
Δ
Δ
Δ
HCPW


Δ
Δ
Δ
Δ
Δ

Nominal Dia.
mm
125
150
200
250
300
350
400
inch
5
6
8
10
12
14
16

Model
HTSW
Δ
Δ
Δ
Δ
Δ


HCBW
Δ
Δ
Δ
Δ
Δ
Δ
Δ
HCPW
Δ
Δ
Δ
Δ
Δ
Δ
Δ

Nominal Pressure
PN
1.6,4.0,6.4
ANSI
CL150,CL300,CL600
Connection
Flanged, Welded
Body type
Straight-way Single Seated Globe Valve
bonnet type
Bolt clamping


Product name
& plug type
HLSW
Bellows Seal Globe Control Valve (Small size)
single-seated plunger
HTSW

Bellows Seal Globe Control Valve
HCBW

Bellows Seal balanced cage control valve
balanced cage plug
HCPW
Bellows Seal cage control valve

Cage single-seated plunger
Seal
Bellows

Note: 1.Δ refers to the specifcation range of valve.

4. Applicable Standard




Chinese Standard

American Standard

Quality assurance
ISO9001,TS2710J59
ISO9001

Design and manufacture
GB12224-2005
ASME B16.34

Flange standard
GB9112-9124,HG20592-2009
ASME B16.5

Length of structure
GB12221-2005
ASME B16.10
Inspection and test standard
GB/T4213-2008
API598


5. Temp. Range of Main Material for Body
    
Name
Material
Temp. Limit
Name
Material
Treatment

Temp. Limit
Body
WCB
-29~+425ºC
()Plug (Plunger)
304
+PTFE
-20~+180ºC
CF8
-196~+538ºC
+STL
-196~+538ºC
CF8M
-196~+538ºC
316
+PTFE
-196~+538ºC
CF3M
-196~+455ºC
+STL
-196~+538ºC
Bonnet
WCB
-29~+425ºC
316L
+PTFE
-20~+180ºC
CF8
-196~+538ºC
+STL
-196~+450ºC
CF8M
-196~+538ºC
()Seat (Cage)
304
+STL
-196~+538ºC
CF3M
-198~+455ºC
316
+STL
-196~+538ºC
Packing
PTFE
-20~+180ºC
316L
+STL
-196~+450ºC