SKU: BLSF3DA

ANSI 300 Stainless Steel Flanged Double Acting Fire Safe Ball Valve

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Two piece two way ANSI 300lb flanged fire safe approved ball valve,with anodised aluminium double acting penumatic actuator, visual indicator & solid ball. 316 Stainless Steel body, PTFE 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) Actuator Media Pressure Media Temperature Actuator Pressure Actuator Port Size
BLS4FA300-DA-RT 15 DA50 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS5FA300-DA-RT 20 DA50 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS6FA300-DA-RT 25 DA50 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS7FA300-DA-RT 32 DA63 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS8FA300-DA-RT 40 DA63 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS9FA300-DA-RT 50 DA75 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS10FA300-DA-RT 63 DA88 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS11FA300-DA-RT 80 DA100 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS12FA300-DA-RT 100 DA115 Vacuum (29" Hg) to 50 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"

ANSI 300 Flanged Stainless Steel Ball Valve Pressure vs Temperature 

Double Acting Flanged Fire Safe Stainless Steel Ball Valve

Model Size (mm) Actuator Ød L f b Z-Ød1 ØD ØD1 ØD2 h J K P
BLSF4FA300-DA-RT 15 DA50 15 140 2 14.5 4-Ø15 95 66.5 35 48 90 138 1/8"
BLSF5FA300-DA-RT 20 DA50 20 152 2 16 4-Ø19 117 82.5 43 53 90 138 1/8"
BLSF6FA300-DA-RT 25 DA50 25 165 2 17.5 4-Ø19 124 89 51 58.5 90 138 1/8"
BLSF7FA300-DA-RT 32 DA63 32 178 2 19.5 4-Ø19 133 98.5 64 71 100 162 1/8"
BLSF8FA300-DA-RT 40 DA63 40 190 2 21 4-Ø22 156 114.5 73 76.5 100 162 1/8"
BLSF9FA300-DA-RT 50 DA75 50 216 2 22.5 8-Ø19 165 127 92 85 117 208 1/8"
BLSF10FA300-DA-RT 65 DA88 65 241 2 25.5 8-Ø22 190 149 105 110 136 245 1/8"
BLSF11FA300-DA-RT 80 DA100 80 283 2 29 8-Ø22 210 168.5 127 122.5 142 266 1/4"
BLSF12FA300-DA-RT 100 DA115 100 305 2 32 8-Ø22 254 200 157 145.5 172 310 1/4"

All dimension in mm unless shown otherwise.

Double Acting Flanged Fire Safe Stainless Steel Ball Valve

Item Description Material
1 Cap WCB
2 Bolt SS304
3 Body Gasket Pure Graphite
4 Body WCB
5 Ball SS316
6 Ball Seat R-PTFE(15%)
7 Stem SS316
Item Description Material
8 Thrust Washer PTFE
9 O-Ring Viton
10 Stem Packing Pure Graphite
11 Packing Ring SS304
12 Belleville Washer SS301
13 Nut Stopper SS304
14 Nut SS304
15 Pnuematic Actuator Anodized Aluminium

 

Size 15mm to 100mm
Body 316 Stainless Steel
Seat PTFE
Pressure 50 Bar @ ambient
Temperature -20°C to 180°C
Actuation Double Acting Pnuematic
Fire Safe API607 Approved

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

    A two way ANSI 300 Flanged double acting stainless steel ball valve is constructed of two 316 stainless steel body pieces and held together by the of stainless steel bolts which hold these two pieces together. It has a direct mounted anodised aluminium rack and pinion actuator fixed to the valve which conducts its 90 degree turn (open.close). This kind of ball valve design (flanged) makes it easy to remove from the line as you do not need to unscrew it to maintain the valve like you would on a threaded valve. It is also very easy to change the valve seats as you can access them directly by unbolting the two halves of the valve. Our design also has a longer neck to reduce thermal transfer and a direct mounting pad for mounting actuators without the use of a bracket and drive dog. They also have a reinforced teflon (PTFE) seat which is filled with a 15% glass filler. This allows higher pressures and temperatures up to 180 degrees celcius making it suitable for steam applications (refer to the temperature vs pressure graph). If a higher temperature is required these seats can be changed out to a 50% stainless steel seat if required. The actuator has a namur interface and position indicator. The ball valve carries a fire safe certification.

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

    The 2 way ANSI 300 flanged double acting stainless steel ball valves 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 double acting rack & pinion actuator which is connected to a shaft which in turn is mated to the ball by a female slot. When the actuator is operated by a 5/2 valve (all double acting actuators need a 5/2 valve to operate, the most common we see is a 5/2 direct interfacing namur solenoid valve) the shaft will be rotated effectively turning the ball inside the cavity and switching it to its other state (either open or close). Extras such as limit switch boxes and positioners can also be mounted directly to the actuator.

  • How long will my Two Way ANSI 300 Flanged Double Acting 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 or more. 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 for the ball valve depending upon the application. Repair kits are readily available for valve refurbishment if the application requires. The actuators life will depend upon how clean and dry the supply air is (the air that makes the actuator operate) however we regularly test these to over 800,000 cylces. Install a basic air filter if you are not sure about the quality of your air, we have pneumatic actuators that have been in operation for decades. The most common failure we see is due to dirty wet air been sent to the actuator.

  • How do I install a two way double acting ANSI 300 Flanged 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). The double acting actuator can accommodate a namur solenoid valve which is a very popular configuration (the 5/2 control valve bolts directly onto the actuator with an o-ring face seal on the back of the valve) or just a standalone 5/2 valve. If you are using a stand alone 5/2 valve the air lines will need to be run from here into the ports on the actuator (remember the longer the run the slower the operation unless you use quick exhaust valves near the actuator).

  • What are typical uses of a two way AMSI 300 Flanged double acting pneumatic stainless steel ball valve?

    These two way ANSI 300 flanged double acting ball valves are used in a very wide application range. They are quite often used in corrosive environments as they are 316 Stainless Steel such as areas where there is a caustic washdown. It also carries a fire safe certification so they are quite often used in areas where this is a requirement.  Other applications include water treatment, steam applications to 10 bar, chemical applications and many more. Been double acting pneumatic they are not used in fail safe applications as if you loose air it will just stay in its current configuration (if you need fail safe choose a spring return option for the actuation).

  • 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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