Stainless Steel 347 / 347H Valves Manufacturer

Global Steel is a well-established producer and a leading supplier of Stainless steel 347/ 347H valves. At Global Steel, we offer variety of Stainless steel valves which are manufactured meeting the international standard. We are a supreme stockholder of SS valves and supply our products at a competitive price range. Our products are from the finest quality and we have a vast experience in supplying these Stainless steel valves.

Stainless steel 347/ 347H valves have elements like tantalum and chromium which provide high stress-creep rupture properties. Grade 347/ 347H has higher carbon content which helps with providing better resistance to elevated temperatures. These valves are also well-known to resist sensitization effectively. This steel grade is an austenitic type of stainless steel which resists carbide precipitation and inter-granular corrosion.

These SS 347/ 347H valves are constructed in different sizes and thicknesses as per our client’s demands. These valves are reasonable for utilization in fluid as well as low temperature situation. There are different kinds of 347 valves like SS 347 check valves, SS 347H ball valves, SS 347 needle valves and SS 347H butterfly valves. These valves are versatile and are used in numerous industries.

We conduct various tests on our products to ensure product safety, quality and its durability. These valves are a popular choice for industries like boiler industry, heat exchangers, super-heaters, chemical piping components, expansion joints, exhaust manifolds, temperature gaskets, etc. These valves are an essential product used in the pipe industry since they are used in controlling the pressure of the fluids, slurries or gases. These valves have good strength and are overall a great option for various industrial applications.

What is Stainless Steel 347H Valves?

Stainless Steel 347H Valves are a type of industrial valve used for controlling the flow of gasses, liquids and bulk solids in various applications. They provide a long-term corrosion-resistant solution, with improved resistance to stress-corrosion cracking and a higher temperature service limit than standard austenitic stainless steel grades. This makes them ideal for handling cryogenic fluids or hot caustics. Furthermore, their reliable sealing performance and tight shutoff features make them an excellent choice in the process and manufacturing industries. With easy installation and minimal maintenance requirements, Stainless Steel 347H Valves represent a reliable and cost-effective option for many industry needs.

What are the dimensions of Monel 347H valves?

Monel 347H valves offer excellent corrosion resistance, durability and strength due to their composition, including nickel and molybdenum-alloy ingredients. These valves are available in various sizes and dimensions and can be customized to fit any purpose or application. Due to their versatility, Monel 347H valves are commonly used in highly corrosive environments such as chemical plants, industrial process lines, and marine environments. Such valves typically range in size from 6 millimetres up to 40 millimetres with pressure ratings of between 1500 PSI up to 6000 PSI depending on the specifics of the application. With a weight significantly less than similar products, Monel 347H is an excellent material choice for all kinds of valve requirements.

How do I install or replace a 347 stainless steel valve?

Installing or replacing a 347 stainless steel valve can be straightforward, provided the proper knowledge and tools are available. It is essential first to determine if the area around the valve is safe and suitable for working with the material, as 347 stainless steel valves have increased heat resistance due to their composition and require specialized tools for installation. Once safety guidelines have been followed, it’s essential to know how to select appropriate sealant materials compatible with the valve to prevent leaks. With all of these considerations, installing or replacing a 347 stainless steel valve can be a straightforward process that yields reliable results.

Specification of SS 347, 347H Valves

Standards API 598 / BS EN 12266-1, ASME B 16.10, Sizes available on request API 600/BS1414, 1/8 to 1”, ASME B 16.34, ASME B 16.5, ASME B16.25
Sizes Sizes available on Request, 1/8 to 1”, 1/2′ TO 14”
Working Pressure Valves are also available which could handle higher pressure, Up to 6000 PSIG
End Connection BSPT, Male and Female NPT, Male to Female, Socket Weld (SW) or Dual Ferrule Tube Connections, Female to Female
Temperature Ratings (232C)/Grafoil 700 F(371C), PTFE 450F
Pressure Rating 150#, 300#, 600#, 800#, 1500#
Application Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc.
Ends Flange Ends, Screwed Ends,Socket Weld Ends
Type Ball Valves, Globe Valves, Check Valves, Needle Valves, Butterfly Valves
Temperature Rating (232C)/Grafoil 700 F(371C),PTFE 450F
Stainless Steel 347 / 347H Valves

Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS GOST EN
SS 347 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10
SS 347H 1.4961 S34709 SUS 347H X6CrNiNb18-12

Different Types

SS Manifold Valves

SS 347, 347H Manifold Valves

SS Monoflange Manifold Valves

SS 347, 347H Monoflange Manifold Valves

SS Double Block Bleed Valves

SS 347, 347H Double Block & Bleed Valves

SS Needle Valves

SS 347, 347H Needle Valves

SS Ball Valves

SS 347, 347H Ball Valves

SS Check Valves

SS 347, 347H Check Valves (nrv) & Piston

Contact us to get a quick quote for your requirement.

We offer These Stainless Steel 347 / 347H Valves as per DIN, ISO, JIS or ANSI Standard.

Available Stock

  • SS 347 High Pressure Ball Valves
  • Stainless Steel 347H Instrumentation Non Return Valve
  • Stainless Steel 347 Ball Valve
  • Stainless Steel 347 Forged Steel Valves
  • SS 347H Instrumentation Needle Valve
  • Stainless Steel 347H Block Bleed Valve
  • Stainless Steel 347 Panel Mounted Needle Valve
  • SS 347 Manifold Valves
  • SS 347 Forged Integral Bonnet Angle Type Needle Valves
  • Stainless Steel 347 Valves
  • SS 347 Integral-Bonnet Needle Valves
  • SS 347H Instrumentation Check Valve
  • SS 347 3 Way Needle Valve
  • Stainless Steel 347 Pannel Mounting Ball Valve
  • Stainless Steel 347 Mini Needle Valve
  • SS 347H Manifold Check Valve
  • Stainless Steel 347H Threaded Butterfly Valves
  • Stainless Steel 347H 4 Way Ball Valve
  • Stainless Steel 347H Monoflange Valves
  • Type SS 347H Industrial Valves
  • Stainless Steel 347H Panel Mounted Ball Valve
  • SS 347H Hydraulic Ball Valve
  • Stainless Steel 347 3 PCS Ball Valve
  • Stainless Steel 347H NRV Check Valve
  • SS 347 3-way Flange Ball Valves
  • SS 347H Panel Mounted Ball Valve
  • Stainless Steel 347H Double Block & Bleed Valves
  • Stainless Steel 347H Ball Valve Threaded
  • Stainless Steel 347 Instrumentation Ball Valves
  • Austenitic Stainless Steel 347H Valves
  • SS 347 Manifold Check Valve
  • Stainless Steel 347 5 Way Manifold Valve
  • Stainless Steel 347 High Pressure Ball Valve
  • Stainless Steel 347 Pressure Reducing Valve
  • Stainless Steel 347H Instrumentation Check Valve
  • Stainless Steel 347H Hydraulic Ball Valve
  • SS 347 Bleed and Purge Valves
  • Stainless Steel 347 Monoflange Manifold Valves
  • Stainless Steel 347H Non Return Valve
  • SS 347 Female X Female Check Valve
  • Stainless Steel 347 2 Way Ball Valves
  • SS 347 Instrument Solenoid Valve
  • Stainless Steel 347H Valves
  • Stainless Steel 347H Forged-Body Needle Valves
  • Stainless Steel 347 High Pressure Needle Valve

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

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

Chemical Structure

Grade C Mn Si P S Cr Cb Ni Fe
SS 347 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 20.00 10xC – 1.10 9.00 – 13.00 62.74 min
SS 347H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 8xC – 1.10 9.0 -13.0 63.72 min

Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

We Serve Application Industry

Application Industry

Valves 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.

Oil & Gas Industry

Petrochemical Industry

Power Generation Industry

Chemical Industry

We Export Stainless Steel 347, 347H Valves Across the Globe

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

Domestic Supply Stainless Steel 347, 347H Valves

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

Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.

Quick Contact

Shop No.6, Sonarika Bldg, 25/C, Chandawadi, Cawasji Patel Tank, Mumbai, Maharashtra 400004