STAINLESS STEEL 321H INSTRUMENTATION VALVES SUPPLIER

Instrumentation valves play a crucial role in regulating and controlling the flow of fluids in various industries. Depending on their intended applications, these valves come in different materials, shapes, sizes, and designs. One popular material used in making instrumentation valves is Stainless Steel 321 / 321H alloy. This alloy’s unique properties make it a preferred choice for many industrial and critical applications.

Properties of 321H Instrumentation Valves
321H instrumentation valves offer excellent resistance to oxidation at high temperatures of up to 1500 degrees F and more. It also has better stress and creeps rupture features than other metal alloys. This material also possesses good low-temperature toughness, making it suitable for extreme environments. Moreover, it has a high carbon content, indirectly enhancing its tensile strength and creep resistance at a 1000-degree F temperature range.

Another unique property of 321H instrumentation valves is that they contain titanium, stabilizing the alloy against chromium carbide formation. This feature makes them ideal for hydrocarbon services, where they resist polythionic acid stress corrosion cracking. They are also helpful in fluoride-free caustic solutions at normal temperatures.

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In terms of manufacturing, 321H instrumentation valves have good ductility and formability. They can be manufactured using standard shop fabrication practices, with cold working techniques employed to achieve desired shapes and sizes. These valves are also known for their high tensile strength, good mechanical strength, dimensional accuracy, and fine surface finishes.

321H instrumentation valves are made from Stainless Steel 321 / 321H, a stabilized austenitic steel alloy. The alloy is composed of 18% chromium and 8 % nickel elements, with the addition of titanium for excellent resistance to cracking corrosion. This austenitic alloy is commonly used in various production applications, offering good general resistivity against rust. It also resists intergranular corrosion when exposed to 425 degrees C to 815 degrees C of carbide precipitation.

The unique properties of 321H instrumentation valves have made them a preferred choice, like SS 317 Instrumentation Valves for many industrial and critical applications. These valves find utility in different industries, such as oil and gas, petrochemical, chemical, pharmaceutical, etc. They are commonly used in regulating and controlling the flow of fluids, gases, and liquids in pipes and other fluid handling systems.

Kalp Industries, a prominent exporter, manufacturer, and supplier of high-quality ranges of Stainless steel 321 / 321H Instrumentation Valves, offers customized valves to clients in various industries. These valves are designed and manufactured to meet different applications’ unique needs and requirements. The company has ISO 9001:2015 certification for its quality management system, demonstrating its ability to consistently provide high-quality products and services that meet customer and regulatory requirements. Kalp Industries is also a reputable company that produces high-quality stainless steel instrumentation valves, including the 347/347H SS Instrumentation Valves.

Specification For SS 321 Instrumentation Valves

SpecificationsASTM A351 / ASME SA351
Size1/16″ to 1″ (3mm to 25.4mm)
Flow PatternStraight/ Angle
Instrument valves Working pressure3000 psig (206 bar)
Temperature RatingPTFE 450F,(232C)/ Grafoil 700 F(371C)
FormsBall 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 ConnectionMale and Female NPT, BSPT, Socket Weld (SW) or Dual Ferrule Tube Connections, Male to Female
Instrument Valves Applicable Standard
  • Design & Manufacture : BS 1868
  • Face to Face according to : ASME B16.10
  • Flange Dimensions as per: ASME B16.5
  • Pressure & Temperature : ASME B16.34
  • Test & Inspection accordance to : API 6D / API 598
  • Visual Inspection accordance to : MSS SP-55
  • Marking accordance to : MSS SP-25
Approvals
  • MSS SP-110
  • API-598
  • ANSI B1.20.1
  • ANSI B16.11
  • NACE Certified
  • ANSI B16.34
  • API 607 Fire Safe
We also stock & supply
  • Swagelok
  • Parker
  • DK LOK
  • Hamlet Letlok
  • DUOLOK
  • GYROLOK
  • TYLOK
  • BILOK
Uses & application
  • Dairy
  • Food & Beverages
  • Pharmacy
  • Cosmetic
  • Chemical Industry and many more.
Low Pressure Valves Connection
  • Single Ferrule
  • Two Ferrule (Double Ferrule)
  • Twin Ferrule
  • Thread
SS 321 Instrumentation Valves
STOCKIST & SUPPILERS FOR STAINLESS STEEL 321 INSTRUMENTATION VALVES IN INDIA, CUSTOM SIZES SS 321H INSTRUMENTATION BALL VALVE, NEEDLE VALVES, MANIFOLD VALVES, PISTON CHECK VALVES, DBB VALVES AS PER CLIENT REQUIREMENT

Equivalent Grades Of Stainless Steel 321H Instrumentation Valves

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

Various Types of Stainless Steel 321 Instrumentation Valves

Instrumentation Ball Valves

STAINLESS STEEL 321 INSTRUMENTATION BALL VALVES

  • SS 321 Instrumentation Ball Valves
  • Stainless Steel 321H Instrumentation Ball Valve
  • SS 321 Instrumentation Ball Valve
  • 321 Stainless Steel Instrumentation Ball Valves
  • SS 321H Instrumentation Floating Ball Valves
  • Stainless Steel 321 Instrumentation Lined Ball Valves
  • SUS 321H Instrumentation Segmented Ball Valves
  • Stainless Steel 321 Instrumentation A Series Ball Valve
  • SS 321H Instrumentation B Series Ball Valve
  • SS 321H Instrumentation PB Series Ball Valves
Instrumentation Needle Valves

STAINLESS STEEL 321 INSTRUMENTATION NEEDLE VALVES

  • SS 321 Instrumentation Needle Valves
  • Stainless Steel 321H Instrumentation Needle Valve
  • SS 321 Instrumentation Needle Valve
  • 321 Stainless Steel Instrumentation Needle Valves
  • SS 321H Instrumentation N / UN Series Needle Valve
  • Stainless Steel 321 Instrumentation PV Series Needle Valve
  • SUS 321H Instrumentation AV Series Needle Valve
  • Stainless Steel 321 Instrumentation GV / UGV Series Needle Valve
  • SS 321H Instrumentation UN-V Series Needle Valve
  • Stainless Steel 321H Instrumentation Integral Bonnet Needle Valve
Instrumentation Manifold Valves

STAINLESS STEEL 321 INSTRUMENTATION MANIFOLD VALVES

  • SS 321H Instrumentation Manifold Valves
  • Stainless Steel 321 Instrumentation Manifold Valve
  • Stainless Steel 321H Instrumentation Manifold Valve
  • 321 Stainless Steel Instrumentation Manifold Valves
  • SS 321H Instrumentation 2VR / U2VR Series Manifold Valve
  • Stainless Steel 321 Instrumentation 2VG / U2VG Series Manifold Valve
  • SUS 321H Instrumentation 2VBD Series Manifold Valve
  • SS 321H Instrumentation 3VR Series Manifold Valve
  • Stainless Steel 321 Instrumentation 3VBD Series Manifold Valve
  • SS 321H Instrumentation 3VD Series Manifold Valve
Instrumentation Piston Check Valves

STAINLESS STEEL 321 INSTRUMENTATION PISTON CHECK VALVES

  • 321 Stainless Steel Instrumentation Piston Check Valve
  • SS 321H Instrumentation EC Series Check Valve
  • Stainless Steel 321 Instrumentation EUC Series Check Valve
  • 321 Stainless Steel Instrumentation Piston Check Valves
  • SUS 321H Instrumentation Piston Check Valve
  • SS 321H Instrumentation Piston Check Valve
  • SS 321 Instrumentation Piston Check Valves
  • Stainless Steel 321H Instrumentation Piston Check Valve
Instrumentation DBB Valves

STAINLESS STEEL 321 INSTRUMENTATION DBB VALVES

  • Stainless steel 321H Instrumentation DBB Valve
  • 321 Stainless Steel Instrumentation DBB Valve
  • Stainless Steel 321H Instrumentation DBB Valve
  • SS 32H Instrumentation DBB Valve
  • SUS 321H Instrumentation DBB Valve
  • 321 Stainless Steel Instrumentation DBB Valves
  • SS 321 Instrumentation DBB Valves
  • SS 321H Instrumentation EDBB-B Series Double Block & Bleed Valve
  • Stainless Steel 321 Instrumentation EDBB-N Series Double Block & Bleed Valve
Instrumentation Plug Valves

STAINLESS STEEL 321 INSTRUMENTATION PLUG VALVES

  • SS 321H Instrumentation Plug Valves
  • 321 SS Instrumentation Plug Valve
  • Stainless Steel 321H Instrumentation Plug Valve
  • 321 Stainless Steel Instrumentation Plug Valves
  • SS 321H Instrumentation Non-Lubricated Plug Valves
  • Stainless Steel 321 Instrumentation Lubricated Plug Valves
  • SUS 321H Instrumentation Plug Valve
  • SS 321H Instrumentation Plug Valve
  • 321H Stainless Steel Instrumentation Plug Valve

Ready Stock Of Stainless Steel 321H Instrumentation Valves

  • 321 SS Instrumentation Valves
  • Stainless Steel 321H Instrumentation SB Series Ball Valve
  • Stainless Steel 321 Instrumentation SN Series Ball Valve
  • Stainless Steel 321H Instrumentation Hex Body Series Needle Valve
  • ASTM A351 321H Stainless Steel Instrumentation Square Body Series Needle Valves
  • Type 321H Stainless Steel Instrumentation Angle Type Series Needle Valve
  • Stainless Steel 321H Instrumentation 5VBD Series Manifold Valve
  • Stainless Steel 321 Instrumentation 5VD Series Manifold Valve
  • 321 Stainless Steel Instrumentation 3 Way Plug Valve
  • Grade 321 Instrumentation Lubricated Plug Valves
  • 321 Stainless Steel Trunnion Mounted Ball Valves
  • Grade 321 Rising Stem Ball Valve
  • 321 Stainless Steel Instrumentation Valves
  • Austenitic Stainless Steel 321H Instrumentation Valves
  • 321 Stainless Steel Instrumentation 2-Piece Ball Valve
  • 321H Stainless Steel Instrumentation Top Entry Ball Valve
  • Stainless Steel 321H Instrumentation Bellows-Sealed Globe Valves
  • Stainless Steel 321 Instrumentation T-Pattern Globe Valve
  • 321H SS Instrumentation Y-Pattern Globe Valves
  • Stainless Steel 321H Instrumentation sluice valves
  • SS 321H Instrumentation Dual Plate Check Valve
  • 321 Stainless Steel Instrumentation Spring-Loaded Disk Check Valves
  • Stainless Steel 321H Instrumentation Diaphragm Check Valves
  • Stainless Steel 321 Instrumentation Tilting Disc Check Valve
  • Stainless Steel 321 Instrumentation Butterfly Valves
  • 321H SS Instrumentation Wafer butterfly valves
  • SS 321H Instrumentation Rising Plug Soft Seal Valve
  • Stainless Steel 321H Instrumentation Lug butterfly valve

Stainless Steel 321 Valves Pressure Rating

Pressure & Temperature Limit accordance to ANSI/ ASME B16.34 material
Temp. °F 150 300 400 600 900 1500 2500
-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

Stainless Steel 321H Neddle Valve Dimension Standards

Size L a b W H
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
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

SS 321 Instrumentation Valves Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

321H SS Instrumentation Valves Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

We Serve Application Industry

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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We Export SS 321H Instrumentation Valves Across the Globe

Angola, Malaysia, Austria, Tunisia, Argentina, New Zealand, Saudi Arabia, India, Venezuela, Italy, Qatar, Israel, Greece, Estonia, Bangladesh, Colombia, Namibia, Iran, Chile, Pakistan, Iran, Denmark, Bahrain, Ghana, Thailand, Belgium, United States, South Africa, Norway, Nepal, Nigeria, Serbia, Azerbaijan, United Arab Emirates, Afghanistan, Romania, Turkey, Iraq, Croatia, Libya, Kuwait, Sweden, Belarus, Morocco, Poland, Costa Rica, Egypt, Peru, Vietnam, Australia, Slovakia, Hong Kong, China, Mexico, Finland, Czech Republic, Kenya, Poland, Spain, Algeria, Ecuador, Mexico, Netherlands, Puerto Rico, Taiwan, Bolivia, South Korea, Indonesia, France, Mongolia, United Kingdom, Germany, Kazakhstan, Bulgaria, Tibet, Ireland, Russia, Yemen, Hungary, Switzerland, Lebanon, Nigeria, Zimbabwe, Jordan, Philippines, Macau, Trinidad & Tobago, Sri Lanka, Ukraine, Japan, Singapore, Gabon, Portugal, Lithuania, Oman, Chile, Gambia, Canada, Brazil, Bhutan.

Domestic Supply Stainless Steel 321 Instrumentation Valves

Hyderabad, Kolkata, Jamshedpur, Haryana, New Delhi, Thiruvananthapuram, Ernakulam, Surat, Ludhiana, Thane, Nagpur, Ranchi, Kanpur, Secunderabad, Noida, Gurgaon, Pimpri-Chinchwad, Visakhapatnam, Baroda, Vadodara, Chennai, Bengaluru, Jaipur, Pune, Chandigarh, Howrah, Bhopal, Ahmedabad, Faridabad, Navi Mumbai, Mumbai, Rajkot, Colombo, Nashik, Indore, Coimbatore.

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