SKU: BLSSR

Stainless Steel Spring Return Ball Valve

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316 Stainless Steel 3 Piece Ball valve with full bore and BSP threaded end connections. This high performance valve is suitable for many applications such as the water, chemical, petrochemical, marine and general industries. Fitted with an Anodized Aluminium Spring Return (Single Acting) Rack and Pinion Pnuematic Actuator (304SS option available - contact Sales).

  • BSP End Connections (ISO 7.1 Sealing Threads), Length to DIN3202-M3
  • Suitable for use on Potable Water with Watermark Certification (License Number WMK26529)
  • Rack and Pinion Actuator with Namur Mouting interfaces (For Solenoid & Limit Switch) and visual indicator
  • Spring Return Actuator can be configured with a Fail Close or Fail Open position
  • Reinforced PTFE Seats suitable for a wide range of media and temperatures up to 180°C (Refer to Pressure Temperature Curve and Material Data sheets for Chemical Compatibility). 50% Stainless Steel & 50% PTFE seats available as an option for higher temperature service
  • Self Adjusting Stem Packing by the use of Belleville washers which assist with temperature fluctuations and vibrations.
  • ISO5211 Mouting pad with holes pre drilled to Metric sizes to support a range of actuators
  • Vented design on the Neck of the Valve allows for a reduction in thermal transfer from the valve to the actuator
Model Size (BSP) Size (mm) Actuator Media Pressure Media Temperature Actuator Pressrue Actuator Port Size
BLS52B-SR-RT 1/4 8 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS53B-SR-RT 3/8 10 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS54B-SR-RT 1/2 15 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS55B-SR-RT 3/4 20 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS56B-SR-RT 1 25 SR63 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS57B-SR-RT 1 ¼ 32 SR75 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS58B-SR-RT 1 ½ 40 SR75 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS59B-SR-RT 2 50 SR88 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS510B-SR-RT 2 ½ 63 SR100 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS511B-SR-RT 3 80 SR115 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS512B-SR-RT 4 100 SR125 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"

For Sprung Open the ‘5’ in the product code changes to a ‘6’.

Also available in NPT, please contact us.

Stainless Steel Spring Return Ball Valve Pressure vs Temperature

Model Size Actuator d L h A B P
BLS52B-SR-RT 1/4" SR50 11 50 32.5 138 90 1/8"
BLS53B-SR-RT 3/8" SR50 12.5 60 32.5 138 90 1/8"
BLS54B-SR-RT 1/2" SR50 15 75 42 138 90 1/8"
BLS55B-SR-RT 3/4" SR50 20 80 50 138 90 1/8"
BLS56B-SR-RT 1" SR63 25 90 58 162 100 1/8"
BLS57B-SR-RT 1-1/4" SR75 32 110 64 208 117 1/8"
BLS58B-SR-RT 1-1/2" SR75 40 10 69.5 208 117 1/8"
BLS59B-SR-RT 2" SR88 50 140 78 245 136 1/8"
BLS510B-SR-RT 2-1/2" SR100 65 185 100 266 142 1/8"
BLS511B-SR-RT 3" SR115 80 205 112.5 310 172 1/4"
BLS512B-SR-RT 4" SR125 100 240 125.5 340 184 1/4"

All dimensions in mm unless otherwise stated

Item Description Material
1 Body CF8M
2 Ball SS316
3 Ball Seat 15%R-PTFE
4 Thrust Washer PTFE
5 Body Gasket PTFE
6 O-Ring Viton
7 Stem Packing PTFE
8 Gland SS304
9 Tab Washer SS304
Item Description Material
10 Stopper SS304
11 Stem SS316
12 Belleville Washer SS301
13 Spring Washer SS304
14 Nut SS304
15 Bolt SS304
16 Cap CF8M
17 Actuator Aluminium

Size 1/4" to 4" BSP
Body 316 Stainless Steel 3 piece
Seat Reinforced PTFE
Pressure 63 BAR
Temperature -20°C to 180°C
Actuation Spring Return Pneumatic

BLSSR

Stainless Steel Spring Return Ball Valve

Features:

Size 1/4" to 4" BSP
Body 316 Stainless Steel 3 piece
Seat Reinforced PTFE
Pressure 63 BAR
Temperature -20°C to 180°C
Actuation Spring Return Pneumatic

Description:

316 Stainless Steel 3 Piece Ball valve with full bore and BSP threaded end connections. This high performance valve is suitable for many applications such as the water, chemical, petrochemical, marine and general industries. Fitted with an Anodized Aluminium Spring Return (Single Acting) Rack and Pinion Pnuematic Actuator (304SS option available - contact Sales).

  • BSP End Connections (ISO 7.1 Sealing Threads), Length to DIN3202-M3
  • Suitable for use on Potable Water with Watermark Certification (License Number WMK26529)
  • Rack and Pinion Actuator with Namur Mouting interfaces (For Solenoid & Limit Switch) and visual indicator
  • Spring Return Actuator can be configured with a Fail Close or Fail Open position
  • Reinforced PTFE Seats suitable for a wide range of media and temperatures up to 180°C (Refer to Pressure Temperature Curve and Material Data sheets for Chemical Compatibility). 50% Stainless Steel & 50% PTFE seats available as an option for higher temperature service
  • Self Adjusting Stem Packing by the use of Belleville washers which assist with temperature fluctuations and vibrations.
  • ISO5211 Mouting pad with holes pre drilled to Metric sizes to support a range of actuators
  • Vented design on the Neck of the Valve allows for a reduction in thermal transfer from the valve to the actuator
Model Size (BSP) Size (mm) Actuator Media Pressure Media Temperature Actuator Pressrue Actuator Port Size
BLS52B-SR-RT 1/4 8 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS53B-SR-RT 3/8 10 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS54B-SR-RT 1/2 15 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS55B-SR-RT 3/4 20 SR50 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS56B-SR-RT 1 25 SR63 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS57B-SR-RT 1 ¼ 32 SR75 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS58B-SR-RT 1 ½ 40 SR75 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS59B-SR-RT 2 50 SR88 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS510B-SR-RT 2 ½ 63 SR100 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS511B-SR-RT 3 80 SR115 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS512B-SR-RT 4 100 SR125 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR 1/4"

For Sprung Open the ‘5’ in the product code changes to a ‘6’.

Also available in NPT, please contact us.

Stainless Steel Spring Return Ball Valve Pressure vs Temperature

.

Stainless Steel Spring Return Ball Valve

BLSSR

Dimensions:

Model Size Actuator d L h A B P
BLS52B-SR-RT 1/4" SR50 11 50 32.5 138 90 1/8"
BLS53B-SR-RT 3/8" SR50 12.5 60 32.5 138 90 1/8"
BLS54B-SR-RT 1/2" SR50 15 75 42 138 90 1/8"
BLS55B-SR-RT 3/4" SR50 20 80 50 138 90 1/8"
BLS56B-SR-RT 1" SR63 25 90 58 162 100 1/8"
BLS57B-SR-RT 1-1/4" SR75 32 110 64 208 117 1/8"
BLS58B-SR-RT 1-1/2" SR75 40 10 69.5 208 117 1/8"
BLS59B-SR-RT 2" SR88 50 140 78 245 136 1/8"
BLS510B-SR-RT 2-1/2" SR100 65 185 100 266 142 1/8"
BLS511B-SR-RT 3" SR115 80 205 112.5 310 172 1/4"
BLS512B-SR-RT 4" SR125 100 240 125.5 340 184 1/4"

All dimensions in mm unless otherwise stated

.

Stainless Steel Spring Return Ball Valve

BLSSR

Construction:

Item Description Material
1 Body CF8M
2 Ball SS316
3 Ball Seat 15%R-PTFE
4 Thrust Washer PTFE
5 Body Gasket PTFE
6 O-Ring Viton
7 Stem Packing PTFE
8 Gland SS304
9 Tab Washer SS304
Item Description Material
10 Stopper SS304
11 Stem SS316
12 Belleville Washer SS301
13 Spring Washer SS304
14 Nut SS304
15 Bolt SS304
16 Cap CF8M
17 Actuator Aluminium

WARNING

These products are intended for use in industrial applications only. Do not use these products where pressures and temperatures can exceed those listed under ‘Technical Data’ and in our individual ‘Series’ data sheets. Before using these products with fluids other than these specified, for non-industrial applications, life-support systems, or other applications not within published specifications, consult Hawleys Through misuse, age, or malfunction, components used in industrial valve applications can fail in various modes. The system designer is warned to consider the failure modes of all component parts used in industrial valve applications and to provide adequate safeguards to prevent personal injury or damage to equipment in the event of such failure. System designers must provide a warning to the user in the system instructional manual if protection against a failure mode cannot be adequately provided. System designers and end users are cautioned to review specific warnings or specifications found in instruction sheets or labels packed or attached and shipped with the products. Our policy is one of continuous research and development. We therefore reserve the right to amend without notice the specifications given in this document or our individual ‘Series’ data sheets.

WARRANTY INFORMATION

All valve series and other products manufactured or distributed by Hawleys are warranted by Hawleys to be free of defects in material and workmanship for a period of 1 year from the date of purchase or as the manufacturer warrants. Hawleys obligation under this warranty is limited to repair or replacement of the defec1ive product or refund of the purchase price paid solely at the discretion of Hawleys and provided such defective product is returned to Hawleys freight prepaid and upon examination by Hawleys such product is found defective. This warranty shall be void in the event that the product has been subject to misuse, misapplication, improper maintenance, modification or tampering. This warranty is expressed in lieu of all other warranties, expressed or implied from Hawleys representatives or employees. Hawleys reserves the right to change Valve and Brochure specifications without notice.