BUTTERFLY VALVES

A butterfly valve is a widely used device in fluid control systems designed for regulating the flow of liquids or gases through a pipe. It operates using a circular disc that rotates around a central axis within the valve body, allowing or blocking flow based on its position. Butterfly valves are ideal for applications requiring precise flow control or reliable isolation of flow. Butterfly valves provide excellent efficiency in controlling flow rates and are particularly effective in situations where space-saving designs are essential.

Butterfly valves are a crucial component in many systems due to their versatility and cost-effectiveness, serving as an optimal solution for controlling flow in pipelines. Commonly found in industries such as water supply, oil and gas, chemical processes, and power generation, butterfly valves are essential for managing both small and large volumes of fluid securely.

PR-FECT VALVES manufactures butterfly valves in a wide range of sizes, materials, and pressure ratings, ensuring compatibility with diverse industrial applications and offering advanced technical features such as precision-engineered discs and corrosion-resistant coatings for enhanced performance and durability.

SL. NO. BUTTERFLY VALVE TYPES
1 CONCENTRIC BUTTERFLY VALVE
2 DOUBLE ECCENTRIC BUTTERFLY VALVE
3 TRIPLE OFFSET BUTTERFLY VALVE
4 CONTROL BUTTERFLY VALVE
5 BUTTERFLY DAMPER
6 CRYOGENIC BUTTERFLY VALVE
7 HIGH PERFORMANCE BUTTERFLY VALVE
8 HIGH CYCLE BUTTERFLY VALVE
9 EMERGENCY SHUT DOWN BUTTERFLY VALVE
10 GAS-TIGHT BUTTERFLY VALVE
11 HIGH TEMPERATURE BUTTERFLY VALVE
12 BRONZE BUTTERFLY VALVE
13 FABRICATED BUTTERFLY VALVE
14 PVC / CPVC BUTTERFLY VALVE
15 HIGH PRESSURE BUTTERFLY VALVE
16 SUBSEA BUTTERFLY VALVE
17 EXTENSION SPINDLE BUTTERFLY VALVE
PRODUCT DETAILS
Sizes 1/4" to 250"
Pressure Class Ratings Asme #150, PN6, PN10, PN20, PN25
End Connection Wafer, Lugged, Flanged
Construction Types Centric Disc
Salient Features One-piece blowout-proof Stem, Reliable Drive Operation, Low Torque, Assured Sealing, Integral Actuator Mounting, Stem Extension, Locking Arrangements etc.
Operator / Actuator Handwheel, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised)
STANDARDS SPECIFICATIONS
Design & Manufacture EN 593 (BS 5155), API 609, MSS SP 67, ISO 5752
Face To Face API 609, MFG Standard
End Connections ASME B 16.1 Class 125, B 16.5 Class 150, EN 1092-2, BS 4504, BS 10 Table D & E
Testing EN 12266/ API 598
Fire safe testing
Nace NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945
Fugitive emission
MATERIAL OF CONSTRUCTION
Body Cast Iron, SG Iron, Carbon & Low Carbon Steel, Stainless Steel, Nickel alloys, High Temp Alloys, Duplex Stainless Steel, Exotic Materials
Body Liner Nitrile, EPDM, Viton etc.
Disc Cast Iron, SG Iron, Stainless Steel, Nickel alloys, Duplex Stainless Steel, Exotic Materials
Bearing Acetal, PTFE, Phosphor Bronze
Stem Stainless Steel, Nickel alloys, Duplex Stainless Steel, Exotic Materials

Note : For Bigger sizes please contact PR-Fect Valves

SIZE RANGE CHART
NPS (Inches) DN (mm) CLASS 150 CLASS 300 CLASS 600 CLASS 900 CLASS 1500 CLASS 2500 CLASS 4500
1/4" 8
1/2" 15
1" 25
1 ¼" 32
1½" 40
2" 50
2½" 65
3" 80
3½" 90
4" 100
5" 125
6" 150
8" 200
10" 250
12" 300
14" 350
16" 400
18" 450
20" 500
22" 550
24" 600
26" 650
28" 700
30" 750
32" 800
34" 850
36" 900
38" 950
40" 1000
42" 1050
44" 1100
46" 1150
48" 1200
50" 1250
52" 1300
54" 1350
56" 1400
58" 1450
60" 1500
62" 1550
64" 1600
66" 1650
68" 1700
70" 1750
72" 1800
74" 1850
76" 1900
78" 1950
80" 2000
82" 2050
84" 2100
86" 2150
88" 2200
90" 2250
92" 2300
94" 2350
96" 2400
98" 2450
100" 2500
102" 2550
104" 2600
106" 2650
108" 2700
110" 2750
112" 2800
114" 2850
116" 2900
118" 2950
120" 3000
122" 3050
124" 3100
126" 3150
128" 3200
130" 3250
132" 3300
134" 3350
136" 3400
138" 3450
140" 3500
142" 3550
144" 3600
146" 3650
148" 3700
150" 3750
152" 3800
154" 3850
156" 3900
158" 3950
160" 4000
162" 4050
164" 4100
166" 4150
168" 4200
170" 4250
172" 4300
174" 4350
176" 4400
178" 4450
180" 4500
182" 4550
184" 4600
186" 4650
188" 4700
190" 4750
192" 4800
194" 4850
196" 4900
198" 4950
200" 5000
202" 5050
204" 5100
206" 5150
208" 5200
210" 5250
212" 5300
214" 5350
216" 5400
218" 5450
220" 5500
222" 5550
224" 5600
226" 5650
228" 5700
230" 5750
232" 5800
234" 5850
236" 5900
238" 5950
240" 6000
242" 6050
244" 6100
246" 6150
248" 6200
250" 6250