SKU: BLS3SR

3 Way Stainless Steel Spring Return Ball Valve

From $225.50

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High performance 3 way (L and T port) reduced bore 316 Stainless Steel ball valve with BSP threaded connections and a spring return pneumatic actuator. Self adjusting stem packing assembly with Belleville spring for temperature fluctuations and vibration. Long neck to minimise any thermal transfer from valve to actuator. Reinforced PTFE seats for temperatures up to 180°C. The spring in the actuator allows the valve to return to a rest position in the case of loss of air. Typical applications include water treatment, chemical, marine, petrochemical and general industry.

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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