Beschreibung
TECHNICAL DATA SHEET
Fully Lined PFA Floating Ball Valve
Series: PN1.0~1.6MPa, Class 150LB
- PRODUCT OVERVIEW
Fully lined PFA floating ball valve features high-pressure injection/molding PFA (Perfluoroalkoxy) lining applied to carbon steel or stainless steel valve body and ball surface. Designed for on-off control of highly corrosive media, widely used in chemical, pharmaceutical, petroleum refining, metallurgy, electronics, food industries and high-purity applications.
Hauptmerkmale:
- Zero Leakage Seal: PFA/reinforced PTFE soft seal between ball and seat, achieving bubble-tight sealing under both low and high pressure.
- Full Corrosion Protection: PFA lining covers all wetted parts including body cavity, ball and stem channel – no metal contact with media. Resists “all strong corrosives except molten alkali metals and elemental fluorine”.
- Blow-out Proof Stem: Integrally forged ball and stem design prevents stem ejection under sudden pressure surge.
- Full Bore Design: Smooth, equal diameter flow path minimizes pressure drop and facilitates pipeline pigging/cleaning.
- DESIGN STANDARDS & SPECIFICATIONS
|
Item
|
Standard
|
|
Design & Manufacture
|
GB/T 12237, API 608
|
|
Face-to-Face Dimension
|
GB/T 12221, ASME B16.10
|
|
Flange Dimension
|
GB/T 9113, HG/T 20592, ASME B16.5
|
|
Pressure Testing
|
GB/T 13927, API 598, JB/T 9092
|
|
Lining Process Standard
|
HG/T 3704
|
- GENERAL TECHNICAL PARAMETERS
|
Parameter
|
Spezifikation
|
|
Nenndurchmesser (DN)
|
DN15 ~ DN300 (1/2″ ~ 12″)
|
|
Nominal Pressure (PN)
|
PN10 / PN16
|
|
Pressure Class (Class)
|
150LB
|
|
Temperaturbereich
|
-20℃ ~ +150℃ (PFA Lined)
|
|
Applicable Media
|
Sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia, organic acids, strong alkalis, halogens, organic solvents, etc. (any concentration)
|
|
Leakage Rate
|
ISO 5208 Rate A / Zero Leakage
|
|
Connection Type
|
Wafer Type / Flanged (RF Face)
|
|
Operation Type
|
Manual (Lever/Gearbox), Pneumatic, Electric
|
|
Structure Type
|
2-piece / 3-piece (Floating Ball, Full Bore)
|
|
Flow Direction
|
Bi-directional Sealing
|
- MAIN COMPONENT MATERIALS
|
Component
|
Material Selection
|
Bemerkungen
|
|
Körper
|
HT250 / WCB / CF8 / CF8M
|
Pressure containing part
|
|
Bonnet
|
Same as body material
|
–
|
|
Lining Layer
|
PFA (Perfluoroalkoxy)
|
Injection/molding molded, thickness ≥3mm, pinhole-free, no stripping
|
|
Ball
|
WCB/304/316 + Fully Lined PFA
|
Integral stem design
|
|
Stängel
|
2Cr13 / 304 / 316
|
Anti-static design (optional)
|
|
Seat/Sealing Ring
|
Reinforced PTFE / PFA
|
Flexible compensation structure
|
|
Packing
|
V-type PTFE / Chevron PTFE
|
Self-lubricating, zero leakage
|
|
Gasket
|
PTFE / PFA
|
–
|
|
Handle/Gearbox
|
Cast Steel / Ductile Iron
|
With locking device
|
- DIMENSIONS & CONNECTIONS (PN16 / 150LB)
Unit: mm
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
f
|
Z-Φd
|
H (approx)
|
Weight (Kg)
|
|
15
|
130
|
95
|
65
|
45
|
14
|
3
|
4-Φ14
|
95
|
4.0
|
|
20
|
140
|
105
|
75
|
55
|
14
|
3
|
4-Φ14
|
100
|
4.5
|
|
25
|
150
|
115
|
85
|
65
|
16
|
3
|
4-Φ14
|
115
|
5.5
|
|
32
|
165
|
135
|
100
|
78
|
18
|
3
|
4-Φ18
|
125
|
7.0
|
|
40
|
180
|
145
|
110
|
85
|
18
|
3
|
4-Φ18
|
135
|
9.0
|
|
50
|
200
|
160
|
125
|
100
|
20
|
3.5
|
4-Φ18
|
140
|
12.0
|
|
65
|
220
|
180
|
145
|
120
|
20
|
3.5
|
4-Φ18
|
155
|
17.0
|
|
80
|
250
|
195
|
160
|
135
|
22
|
4
|
8-Φ18
|
205
|
25.0
|
|
100
|
280
|
215
|
180
|
155
|
24
|
4
|
8-Φ18
|
230
|
35.0
|
|
125
|
320
|
245
|
210
|
185
|
26
|
4
|
8-Φ18
|
255
|
50.0
|
|
150
|
360
|
280
|
240
|
210
|
28
|
4
|
8-Φ23
|
285
|
70.0
|
|
200
|
400
|
335
|
295
|
265
|
30
|
5
|
12-Φ23
|
340
|
120.0
|
|
250
|
450
|
405
|
355
|
320
|
34
|
5
|
12-Φ26
|
400
|
180.0
|
|
300
|
500
|
460
|
410
|
375
|
36
|
5
|
12-Φ26
|
450
|
240.0
|
Note: For ASME B16.5 Class 150LB dimensions, replace flange dimensions accordingly; L dimension refer to ASME B16.10.
- PERFORMANCE CURVES & TORQUE DATA
6.1 Pressure-Temperature Rating (PFA Lined)
- Maximum Operating Temperature: 150℃ (continuous service)
- Do not exceed 150℃ for prolonged periods to prevent PFA softening/deformation.
6.2 Operating Torque (Reference @ 25℃ Water)
|
DN
|
25
|
40
|
50
|
80
|
100
|
150
|
200
|
|
Torque (N·m)
|
10
|
20
|
25
|
85
|
120
|
320
|
700
|
*Note: For media with high specific gravity, crystalline/corrosive nature or containing particles, apply safety factor 1.2~1.5.*
- SELECTION & ORDERING INFORMATION
To ensure optimal service life under severe conditions, please specify following parameters when ordering:
- Model: e.g. Q41PFA-16C (Carbon Steel Body), Q41PFA-16P (SS304 Body)
- Größe und Druck: DN50, PN16 or 2″, 150LB
- Connection Standard: GB, ASME, JIS, etc.
- Media & Temperature: Specific chemical name, concentration, operating temperature
- Special Requirements: Anti-static device, locking device, extended stem (for insulation), pneumatic/electric actuator brand
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