Kalp Industries is a premier ISO 9001:2015 certified instrumentation valve supplier in the USA. Instrumentation valves are precision-engineered devices designed to regulate, control, and monitor the flow of gases and liquids in various industrial applications. Ideal for use in complex configurations, these steel valves are integral components in the precise and safe operation of instrumentation and control systems.
An instrumentation valve is a vital part widely used in the process industry to manipulate conditions such as flow, pressure, temperature, and liquid level within an automated or manual system. It plays an essential role in ensuring the accuracy and efficiency of the instruments and the safety of the system by providing the necessary isolation or change-over functions.
These valves come in several types – including ball valves, needle valves, check valves, and manifold valves – each suited to particular specifications and operating conditions. Due to their purpose in highly sensitive and controlled environments, instrumentation valves are made with very high standards of quality and reliability.
Specifications | ASTM A351 / ASME SA351 |
Size | 1/16″ to 1″ (3mm to 25.4mm) |
Flow Pattern | Straight/ Angle |
Instrument valves Working pressure | 3000 psig (206 bar) |
Temperature Rating | PTFE 450F,(232C)/ Grafoil 700 F(371C) |
Forms | Ball Valve, Check Valve, Double Block & Bleed Valve, Gauge Valve, Manifold Valve, Mono Flange Valve, Needle Valve, Plug Valve, Pressure Relief Valve, Vent & Bleeder Valve |
End Connection | Male and Female NPT, BSPT, Socket Weld (SW) or Dual Ferrule Tube Connections, Male to Female |
Instrument Valves Applicable Standard |
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Approvals |
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We also stock & supply |
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Uses & application |
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Low Pressure Valves Connection |
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STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
SS 304H | 1.4948 | S30409 | SUS 304H | – | – | – | – |
Temp. °F | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
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-20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
1050 | 20 [1] | 310 | 410 | 615 | 925 | 1545 | 2570 |
1100 | 20 [1] | 255 | 345 | 515 | 770 | 1285 | 2145 |
1150 | 20 [1] | 200 | 265 | 400 | 595 | 995 | 1655 |
1200 | 20 [1] | 155 | 205 | 310 | 465 | 770 | 1285 |
1250 | 20 [1] | 115 | 150 | 225 | 340 | 565 | 945 |
1300 | 20 [1] | 85 | 115 | 170 | 255 | 430 | 715 |
1350 | 20 [1] | 60 | 80 | 125 | 185 | 310 | 515 |
1400 | 20 [1] | 50 | 65 | 95 | 145 | 240 | 400 |
1450 | 15 [1] | 35 | 45 | 70 | 105 | 170 | 285 |
1500 | 10 [1] | 25 | 35 | 55 | 80 | 135 | 230 |
Size | L | a | b | W | H |
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1/8″ | 56 | 28 | 28 | 60 | 80 |
¼” | 56 | 28 | 28 | 60 | 80 |
3/8” | 56 | 28 | 28 | 60 | 80 |
½” | 58 | 28 | 28 | 60 | 81 |
¾” | 62 | 35 | 35 | 60 | 85 |
1” | 70 | 45 | 45 | 70 | 100 |
Port Size (BSP) | Media Pressure | Media Temperature | CV |
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1/8″ | 0 to 408 Bar | -20°C to 230°C | |
¼” | 0 to 408 Bar | -20°C to 230°C | 0.4 |
3/8” | 0 to 408 Bar | -20°C to 230°C | 0.4 |
½” | 0 to 408 Bar | -20°C to 230°C | 0.6 |
¾” | 0 to 408 Bar | -20°C to 230°C | 1.6 |
1” | 0 to 408 Bar | -20°C to 230°C | 2.5 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
SS 304L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 13 | – |
SS 304H | 0.10 max | 2 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SS 304 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Application Industry we serve in the USA
Fastener applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
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