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Stainless steel instrumentation ball valves

Stainless steel instrumentation ball valves are a type of valve commonly used in industrial factory. They are made of high-quality stainless steel, which makes them resistant to corrosion and able to withstand high pressure and temperature conditions.

SS Instrumentation ball valves are named for the ball-shaped closure element inside the valve body that controls the flow of fluid. When the valve is opened, the ball rotates to allow the fluid to pass through the valve, and when the valve is closed, the ball rotates to block the flow of fluid.

Check price list and dimensions of SS 316 Ball Valves

Stainless steel instrumentation ball valves are often used in applications that require precise control over the flow of fluids, such as in chemical processing, oil and gas, and food and beverage production. They are also commonly used in process control systems and analytical instrumentation.

Table of content

Stainless steel instrumentation ball valves specification

Working Pressure Up to 6000 PSIG
End Connection Male to Female, Male and Female NPT, Socket Weld (SW) or Dual Ferrule Tube Connections, BSPT, Female to Female
Sizes 1/8 to 4”, Sizes available on request
Pressure rating 150#, 300#, 600#, 900#, 1500#

SS ball valve chemical composition

Grade C Mn Si P S Cr Mo Ni N Ti Fe
304 min. 18.0 8.0
max. 0.08 2.0 0.75 0.045 0.030 20.0 10.5 0.10
304L min. 18.0 8.0
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
304H min. 0.04 18.0 8.0
max. 0.10 2.0 0.75 0.045 0.030 20.0 10.5
SS 310 0.015 max 2 max 0.015 max 0.020 max 0.015 max 24.00 26.00 0.10 max 19.00 21.00 54.7 min
SS 310S 0.08 max 2 max 1.00 max 0.045 max 0.030 max 24.00 26.00 0.75 max 19.00 21.00 53.095 min
SS 310H 0.04 0.10 2 max 1.00 max 0.045 max 0.030 max 24.00 26.00 19.00 21.00 53.885 min
316 min. 16.0 2.03.0 10.0
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0
316L min. 16.0 2.03.0 10.0
max. 0.035 2.0 0.75 0.045 0.030 18.0 14.0
316TI 0.08 max 10.00 14.00 2.0 max 0.045 max 0.030 max 16.00 18.00 0.75 max 2.00 3.00
317 0.08 max 2 max 1 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 20.00 3.00 4.00 11.00 15.00 57.89 min
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 19.00 9.00 12.00 0.10 max 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 9.00 12.00 0.10 max 4(C+N) 0.70 max
347/ 347H 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 20.00 9.0013.00
410 min. 11.5
max. 0.15 1.0 1.00 0.040 0.030 13.5 0.75
446 min. 23.0 0.10
max. 0.2 1.5 0.75 0.040 0.030 30.0 0.50 0.25
904L min. 19.0 4.00 23.00 0.10
max. 0.20 2.00 1.00 0.045 0.035 23.0 5.00 28.00 0.25

Mechanical properties of Stainless steel ball valves

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
304/ 304L 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
304H 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 40 %
310 / 310S / 310H 7.9 g/cm3 1402 °C (2555 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 40 %
306/ 316H 8.0 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
316L 8.0 g/cm3 1399 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
317 7.9 g/cm3 1400 °C (2550 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
321 8.0 g/cm3 1457 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
347 8.0 g/cm3 1454 °C (2650 °F) Psi 75000 , MPa 515 Psi 30000 , MPa 205 35 %
904L 7.95 g/cm3 1350 °C (2460 °F) Psi 71000 , MPa 490 Psi 32000 , MPa 220 35 %

Equivalent grade of SS instrumentation ball valve

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 1.4301 S30409 – – – – –
SS 310 1.4841 S31000 SUS 310 310S24 20Ch25N20S2 – X15CrNi25-20
SS 310S 1.4845 S31008 SUS 310S 310S16 20Ch23N18 – X8CrNi25-21
SS 310H – S31009 – – – – –
SS 316 1.4401 / 1.4436 S31600 SUS 316 316S31 / 316S33 – Z7CND17‐11‐02 X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L 1.4404 / 1.4435 S31603 SUS 316L 316S11 / 316S13 03Ch17N14M3 / 03Ch17N14M2 Z3CND17‐11‐02 / Z3CND18‐14‐03 X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 316H 1.4401 S31609 – – – – –
SS 316Ti 1.4571 S31635 SUS 316Ti 320S31 08Ch17N13M2T Z6CNDT17‐123 X6CrNiMoTi17-12-2
SS 317 1.4449 S31700 SUS 317 – – – –
SS 317L 1.4438 S31703 SUS 317L – – – X2CrNiMo18-15-4
SS 321 1.4541 S32100 SUS 321 – – – X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H – – – X12CrNiTi18-9
SS 347 1.4550 S34700 SUS 347 – 08Ch18N12B – X6CrNiNb18-10
SS 347H 1.4961 S34709 SUS 347H – – – X6CrNiNb18-12
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5L Z2 NCDU 25-20 X1NiCrMoCu25-20-5

Pressure Rating Of SS 316 Ball Valves

NPS PSIG
1/2 – 1-1/2 1000 PSIG (69 BARG)
2 800 PSIG (55 BARG)
3 600 PSIG (41 BARG)
4-5 500 PSIG (34 BARG)
6 300 PSIG (21 BARG)

Size Chart of 304 stainless steel Ball Valves

END CONNECTION SIZE ORIFICE A
(IN) (MM) (IN) (MM) (IN) (MM)
1/8 3.17 0.09 2.4 1.01 25.5
3/16 4.76 0.13 3.2 1.1 28
1/4 6.35 0.19 4.8 1.2 30
3/8 9.52 0.28 7.1 1.45 36.5
1/2 12.7 0.41 10.3 1.74 44.2
0.12 3 0.09 2.4 1.01 25.5
0.24 6 0.19 4.8 1.2 30
0.31 8 0.19 4.8 1.23 31.2
0.39 10 0.28 7.1 1.45 36.5
0.47 12 0.41 10.3 1.74 44.2

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