A pressure seal valve is a widely used device in fluid control systems designed for regulating the flow of liquids or gases through a pipe under high-pressure conditions. It operates using a specialized sealing mechanism that is enhanced by the system's pressure, ensuring a tight and reliable shutoff. Pressure seal valves are ideal for applications where high-pressure containment and secure isolation are critical. They provide excellent sealing capabilities and are particularly effective in situations where maintaining system integrity under high-pressure is essential.
Pressure seal valves are a crucial component in many systems due to their reliability and ability to withstand demanding conditions, serving as an optimal solution for controlling flow in pipelines. Commonly found in industries such as power generation, petrochemical processes, and high-pressure steam systems, pressure seal valves are essential for managing both small and large volumes of fluid securely while ensuring safety and durability.
PR-FECT VALVES manufactures pressure seal 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-machined components and corrosion-resistant coatings for enhanced performance and durability.
SL. NO. | PRESSURE SEAL VALVE TYPES |
1 | PRESSURE SEAL GATE VALVES |
2 | PRESSURE SEAL GLOBE VALVES |
3 | PRESSURE SEAL CHECK VALVES |
PRODUCT DETAILS | |
Sizes | 1/4" to 250" |
Pressure Class Ratings | ASME #150 to #4500 |
End Connection | Screwed, Socket Weld, Flanged, Butt-Weld |
Construction Types | O.S & Y. Rising Stem, Flexible Solid Wedge, Split wedge, others upon request |
Salient Features | Pressure Seal, Fugitive Emissions, Metal Seats, Back Seating, Stem Extension, Bypass Arrangement, Equalizing Arrangement, Bypass and Equalizing Arrangement, Locking Arrangements etc. |
Operator / Actuator | Handwheel, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised) |
STANDARDS SPECIFICATIONS | |
Design & Manufacture | API 600, ASME B16.34 |
Face To Face | ASME B16.10, MFG Standard |
End Connections | ASME B16.11, ISO 7-1, BS 21 ASME B1.20.1, ASME B16.5/ B16.47 RF/FF/RTJ ASME 16.25, EN 1092 |
Fire safe testing | ISO 10497/ API 607, API 6FA |
Testing | API 6D, API 598, ASME B16.34 |
Nace | NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945 |
Fugitive emission | ISO 15848-1, API 624 |
MATERIAL OF CONSTRUCTION | |
Body / Bonnet / Yoke | Carbon & Low Carbon Steel, Stainless Steel, Nickel alloys, High Temp Alloys, Duplex Stainless Steel, Exotic Materials |
Trim | Stainless Steel, Nickel alloys, Duplex Stainless Steel, Exotic Materials |
Seat | HF-Metal to Metal Seats, others upon request |
Stem Packing & Seals | PTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil |
Gaskets | PTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil/Spiral Wounded |
Fasteners | ASTM A193 Gr.B7/A194 Gr.2H, B7M/2HM, B8/8, B8M/8M, L7/4, B16/2H etc., |
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 |