PRESSURE SEAL VALVES

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