SKU: BLS3SR

3 Way Stainless Steel Spring Return Ball Valve

From $225.50

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  • 3 way 316 Stainless Steel Ball Valve with Spring Return Pneumatic Actuator
  • Available in L or T Port configurations
  • Live Loaded Packings, FKM Stem Seal, Belleville washers & Reinforced PTFE seats
  • Anodised Aluminium Actuator with Visual Indicator, Namur Interface & Adjustable stops
  • BSP Threaded Female Ends to ISO7.1
  • Watermark Approved License Number WMK26529 to WMTS 012:2018
  • Extended neck to reduce Thermal Transfer
Model Size(BSP) Orifice (mm) Actuator Media Pressure Media Temperature Actuator Pressure Actuator Port Size
BLS3L2B-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"
BLS3L3B-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"
BLS3L4B-SR-RT 1/2 12 SR50 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS3L5B-SR-RT 3/4 15 SR63 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS3L6B-SR-RT 1 20 SR63 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS3L7B-SR-RT 1 1/4 25 SR75 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS3L8B-SR-RT 1 ½ 32 SR88 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/8"
BLS3L9B-SR-RT 2 43 SR100 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS3L10B-SR-RT 2 ½ 55 SR115 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS3L11B-SR-RT 3 66 SR125 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/4"
BLS3L12B-SR-RT 4 75 SR125 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 6 to 8 BAR 1/4"

For T port change the ‘L’ to a ‘T’.

3 way Stainless Steel Spring Return Ball Valve Pressure vs Temperature

L Port T Port

Model Actuator d A B L E F G P
BLS3L2B-SR-RT SR50 9.5 57.5 37.5 75 138 90 71 1/8"
BLS3L3B-SR-RT SR50 11 57.5 37.5 75 138 90 71 1/8"
BLS3L4B-SR-RT SR50 12 57.5 37.5 75 138 90 71 1/8"
BLS3L5B-SR-RT SR63 15 65.5 42.5 85 162 100 80.5 1/8"
BLS3L6B-SR-RT SR63 20 79 50 100 162 100 80.5 1/8"
BLS3L7B-SR-RT SR75 25 97 61 122 208 117 94.5 1/8"
BLS3L8B-SR-RT SR88 32 106.5 65.5 131 245 136 109 1/8"
BLS3L9B-SR-RT SR100 40 129 79 158 266 142 123 1/4"
BLS3L10B-SR-RT SR115 49 145 89 178 310 172 137 1/4"
BLS3L11B-SR-RT SR125 60 167 101 202 340 184 148 1/4"
BLS3L12B-SR-RT SR145 75 203 123 246 401 209 168.5 1/4"

Dimensions in mm unless otherwise noted

Item Description Material
1 Cap CF8M
2 Gasket PTFE
3 Ball Seat 15%RPTFE
4 Ball 316SS
5 Body CF8M
6 Stem 316SS
7 Thrust Washer PTFE
8 O-Ring Viton
9 Stem Packing PTFE
10 Stem Ring 316SS
11 Belleville Washer 304SS
12 Nut 304SS
13 Pneumatic Actuator Aluminium

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

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