The Lined Butterfly Valve represents the perfect answer for your industrial flow control requirements. The valve provides top-notch performance alongside durability and simple operation for multiple industrial applications. The following section explores the outstanding features which distinguish this valve from other products.
Design & Primary Features
The Lined ptfe valve features a strong disc-centered construction which makes it suitable for harsh operating environments. The valve features a premium PTFE lining which provides excellent resistance to harsh chemicals and prevents corrosion thus extending its operational life. The valve has a high Cv (flow coefficient) rating which leads to minimal pressure losses and maximum flow capacity thus making it suitable for high-demand process applications.
The lined valve’s exceptional adaptability enables manufacturers and consumers to control the flow of various media including gases and liquids and slurry and solids-laden fluids while providing outstanding shutoff capabilities.
Durability & Reliability
The Lined Lug butterfly valve delivers extended durability through its Stainless Steel 316 and Carbon Steel material options which perform well in demanding operational settings. The valve’s exceptional construction quality together with its materials ensures peak performance which minimizes maintenance needs and equipment downtime.
Effortless Operation
The Lined Lug butterfly valve provides an easy-to-use design which simplifies both installation and maintenance and operation. Our valve provides precise control through its wide selection of pneumatic actuator controls which deliver smooth operation in different applications.
Lined lug butterfly valve is split body designed for a wide variety of liners such as PTFE, EPDM, NBR, FPM, PU to fit a wide range of applications.
PTFE is the preferred material for corrosive applications in chemical industry.
PU is the preferred material for abrasive applications.
EPDM is the preferred rubber for water industries.
NBR is the preferred rubber for oil transportation.
FPM is the preferred rubber for wide range of medium composition and temperature.
Lug design makes the valve convenient for disassembling between flanges and work well for dead end service with short length in pipe line.
FEATURES
The ISO5211 direct mounting pad provides a seamless automation solution
Three high-quality, PTFE impregnated SS316L bearings. These bearings are meticulously designed to provide precise alignment for the disc-shaft, ensuring outstanding performance and longevity.
3 layers sealing system ensures environment protection
PTFE seat and rubber seat version interchangeable each other• PTFE-liner for chemically toxic and highly corrosive media, rubber liner for various of industry applications
Silicon rubber energized back behind PTFE seat makes the sealing between liner and disc stable and offer a wide range of temperature
One-piece disc-shaft design reduces the valve torque and increases Kv
PTFE or rubber lined disc design option avoids high cost by expensive metal in corrosive applications
Achieve a bubble-tight shut off at the full pressure rating, ensuring reliable and secure operation.
PARTS LIST AND MATERIAL SPECIFICATION
No.
Part name
Material
1
Body
GGG40
2
Disc/shaft one piece
CF8M
1.4462
CF8M FEP lined
CF8 EPDM lined
3
Seat
PTFE,FPM,EPDM,PU,NBR
PTFE
EPDM
4
Seat Energizer
SR
5
Weather seal
NBR
6
Bearing
PTFE impregnated SS316L
7
Gland
PTFE
8
Screw
SS304
9
Belleville washer
SS304
10
Stuffing collar
SS316
11
O ring
FPM
12
V ring
PTFE
TECHNICAL DATA
Body style
Lug
Nominal diameter
2″ – 24″ (DN50mm – DN600mm)
Top flange
ISO5211
Operating pressure
16bar for DN50-DN200, 10bar for DN250-DN600
Temperature range
-20 °C to + 180 °C (depending on pressure, medium and material)
Flange accommodation
EN 1092 PN 6/PN10/PN16
ASME Class 150
AS 4087 PN10/ PN16
JIS 5K/10K
Operation
Hand lever, gear box, pneumatic actuator, electric actuator
DIMENSIONS (mm)
SIZE
A
B
C
D
D1
E
F
d
G
H
L
WT(kg)
DN
INCH
50
2″
126
65
13.5
117
147
11
50
8
65
25
43
2
65
2 1/2″
138
79
13.5
131
161
11
50
8
65
59
46
3
80
3″
138
79
13.5
176
206
11
50
8
65
59
46
3
100
4″
167
97
17.5
206
236
14
70
10
90
86
52
5
125
5″
180
129
17.5
236
272
14
70
10
90
112
56
7
150
6″
203
142
18.5
258
294
17
70
10
90
140
56
8
200
8″
228
172
18.5
321
363
17
102
12
125
191
60
13
250
10″
266
213
24.5
395
437
22
102
12
125
241
58
22
300
12″
291
242
24.5
461
509
22
102
12
125
290
78
31
350
14″
332
262
30
511
571
27
125
14
150
331
78
44
400
16″
363
303.5
30
580
640
27
125
14
150
377
102
64
450
18″
397
324.5
39
630
702
36
140
18
175
425
114
86
500
20″
425
357
39
700
772
36
140
18
175
474
127
116
600
24″
498
419
49
823
913
46
165
22
210
570
154
179
FAQs
What is a lined ptfe pfa valve?
The lined PTFE PFA valve stands as the ultimate achievement in industrial valve engineering because it demonstrates our absolute dedication to innovation and excellence in fluid handling technologies. The core of these valves consists of premium Polytetrafluoroethylene (PTFE) or Perfluoroalkoxy alkanes (PFA) linings which are recognized for their exceptional chemical inertness and thermal resistance properties.
The difference between lined ptfe valve and lined pfa valve?
Lined PTFE Valves: PTFE, Characterized by its extraordinary chemical inertness, PTFE lining is virtually impervious to a vast spectrum of corrosive fluids across an expansive temperature range, typically from -260°C to +260°C (-436°F to +500°F). Lined PTFE valves are the quintessential choice when exceptional resistance to chemical attack is the prime requisition.
Lined PFA Valves: PFA, while sharing many of the resistant properties of PTFE, distinguishes itself through its superior melt processability. This allows PFA to be injection-molded or extruded, enabling manufacturers to create more intricate valve shapes and tighter, more uniform linings. The melting point of PFA is slightly lower than that of PTFE, typically around 260°C to 310°C (500°F to 590°F), however, PFA excels in its ability to withstand higher continuous service temperatures.
What are the applications of lined ptfe butterfly valves?
The chemical processing industry depends on Lined PTFE butterfly valves because they need to resist harsh chemicals and solvents.
The pharmaceutical industry depends on the ultra-pure environment which our valves provide.
The pharmaceutical sector values our commitment to food safety as much as it values the ultra-pure environment our valves provide.
The FDA-compliant materials in our butterfly valves enable them to integrate perfectly with food and beverage production lines.
Semiconductor manufacturing requires absolute purity because any minor contamination would lead to disastrous results.
Our expertise covers water treatment facilities because corrosion resistance stands as a fundamental requirement in these facilities.
The pulp and paper industry uses corrosive substances including chlorine dioxide and multiple bleaching agents in its manufacturing process.
The mining industry operates in a tough environment which includes abrasive and corrosive slurry substances.
