ANSI 300 Stainless Steel Flanged Fire Safe Ball Valve

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Two piece two way ANSI 300lb flanged fire safe approved ball valve, lockable lever operation & solid ball. 316 Stainless Steel body, RPTFE seats, FKM backing ring, live loaded packing and anti static device. Firesafe Approved API607 Sixth Edition, Cert. No 218781. ISO5211 Mounting Pad allowing direct coupling of actuation. Great for fuel applications, pipelines, water treatment and general industry. 

  • Design & Manufacture to ANSI B16.34
  • Face to Face comply with ANSI B16.10
  • Flange Ends comply with ANSI  B16.5
  • Inspection & Testing in accordance wtih API598
Model Size (mm) Media Pressure Media Temperature Torque (Nm)
BLSF4FA300-L-T 15 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 5
BLSF5FA300-L-T 20 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 8
BLSF6FA300-L-T 25 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 10
BLSF7FA300-L-T 32 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 14
BLSF8FA300-L-T 40 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 18
BLSF9FA300-L-T 50 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 25
BLSF10FA300-L-T 63 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 48
BLSF11FA300-L-T 80 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 75
BLSF12FA300-L-T 100 Vacuum (29" Hg) to 50 Bar (10 BAR Steam) -20°C to 180°C 110

ANSI 300 Flanged Stainless Steel Ball Valve Pressure vs Temperature 

ANSI 300 Flanged Stainless Steel Ball Valve Dimensions

Size d L D D1 D2 b f H W C ISO5211 Z-Ød1 h s Kgs
1/2" 15 140 95 66.5 35 14.5 2 82 117 9 F03/F04 4-15 49.5 42.6  
3/4" 20 152 117 82.5 43 16 2 87 117 9 F03/F04 4-19 60.5 42.6  
1" 25 165 124 89 51 17.5 2 90 164 11 F04/F05 4-19 64 50  
1-1/4" 32 178 133 98.5 64 19.5 2 100 164 11 F04/F05 4-19 71 50  
1-1/2" 40 190 156 114.5 73 21 2 116 203 14 F05/F07 4-22 80.5 64.5  
2" 50 216 165 127 92 22.5 2 125 203 14 F05/F07 8-19 85 64.5  
2-1/2" 65 241 190 149 105 25.5 2 164 255 17 F07/F10 8-22 110 93.6  
3" 80 283 210 168.5 127 29 2 174 255 17 F07/F10 8-22 122.5 93.6  
4" 100 305 254 200 157 32 2 200 302 17 F07/F10 8-22 145.5 93.6  

All dimensions in mm unless shown otherwise. 

ANSI 300 Flanged Stainless Steel Ball Valve Construction

Item Part Material Qty Item Part Material Qty
1 Cap 1.4408 (CF8M) 1 11 Packing Ring SS304 1
2 Bolt SS304 4(8) 12 Belleville Washer SS301 2
3 Body Gasket Pure Graphite 1 13 Nut Stopper SS304 1
4 Body 1.4408 (CF8M) 1 14 Plate Washer SS304 1
5 Ball SS316 1 15 Nut SS304 2
6 Ball Seat Reinforced PTFE 2 16 Lock Device SS304 1
7 Stem SS316 1 17 Handle SS304 1
8 Thrust Washer Pure PTFE 1 18 Plastic Cover Plastic 1
9 O-ring Viton 1 19 Stop Pin SS304 1
10 Stem Packing Pure Graphite 1        

Size 15mm to 100mm
Body 316 Stainless Steel
Seat Reinforced PTFE
Pressure 50 Bar @ ambient
Temperature -20°C to 180°C
Operation Lockable Lever or Gear Box
Fire Safe API607 Approved

  • What is a 2 Way ANSI 300 Flanged Stainless Steel Ball Valve?

    A two way ANSI 300 flanged stainless steel ball valve is constructed of two separate body pieces and held together by stainless steel bolts connecting both sections against each other. It has an ANSI 300 flange (this is just the flange standard it suits) at either end which is used to connect to the pipework. The valve is fire safe approved and features a direct mounting ISO pad on the top (this is so you can bolt an actuator directly to the valve without the use of a bracket & drive dog) and a square drive. It is operated either by a lockable handle or an IP67 gear box. It has live loaded packings and PTFE seats allowing temperatures up to 180 degrees celsius (refer to the pressure vs temperature graph). If a higher temperature is required these seats can be changed out to a 50% stainless steel seat if required. 

  • How does a Two Way ANSI 300 Flanged Stainless Steel Ball Valve work?

    The 2 way ANSI 300 flanged ball valve works the same as any normal two way ball valve whereby the ball is rotated 90 degrees within the body of the valve which will either open or close the valve. The ball itself has a hole either end which the media will flow through when it is open. When the valve is closed these holes are blocked off to the flow effectively isolating the media either side of the valve. The ball is turned by a handle or gearbox (or actuator) which is connected to a shaft which in turn is mated to the ball by a female slot. When it is operated by a handle (our handles are lockable) there is a stop pin which only allows you to operate the valve in a 90 degree turn (this will take you from open to close or vice versa). When it is operated by a gear box the gear box will hit its stop on the worm drive which will not let the ball rotate past 90 degrees.

  • How long will my ANSI 300 Flanged Two Way Stainless Steel Ball Valve last?

    Like any valve this depends upon the usage case of your ball valve, its environment, media and how many times it is cycled. For instance if it is on a clean media, in a clean environment and not cycled regularly the life will be decades. If it is on a corrosive media and in a dry application with a high cycle rate the life will be much shorter. We conduct regular lab testing and 30,000 cycles is a reasonable life cycle depending upon the application. Being a 2 piece flanged construction it is relatively easy to remove the ball valve from the line and change the seats & seals out if they are worn. These are available as a complete repair kit.

  • How do I install a two way ANSI 300 Stainless Steel Ball Valve?

    As this is an ANSI 300 flanged 2 way valve it will need to be fitted between two of the same flanges (ANSI 300 standard) in the pipework. Between the mated flanges will need to be a gasket to ensure a positive seal. The type of gasket will depend upon the media and temperature, for instance a water application may use EPDM or NBR whereas a steam application may use graphite or a spiral wound gasket. The bolts should be fitted and then tightened in a diagonal direction to ensure an even fastening force across the face of the flange (for bolt torque refer to the flange standard).

  • What are typical uses of a two piece ANSI 300 flanged stainless steel ball valve?

    These two way ANSI 300 flanged ball valves are used in a wide variety of applications. Being stainless steel they are quite often used in corrosive environments or areas where caustic washdown is present such as abattoirs. Usually the line operating pressure is higher Other applications include water treatment, steam applications to 10 bar, chemical applications and many more.

  • How long will my product take to get to me? 

    This depends upon where you are based and the freight method chosen. If the express freight option is selected it is usually next day delivery to metropolitan areas in Australia for under 5kg. If free freight has been selected it will go by road freight which can be anywhere from 1 to 10 days depending upon your location. It usually averages 3 days.

  • What warranty do I get?

    All of our products come standard with a 12 month warranty. The good news is we have very strict quality controls and all valves leave our warehouse tested (full material and testing certificates to API598 are available) and inspected so there are rarely any issues. Also once your valve is in and operating it will most likely continue to do so for a very long time. 

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