High performance 2 way 316 Stainless Steel ball valve (3 piece) with BSP threaded connections and a high quality IP67 electric actuator. Self adjusting stem packing assembly with Belleville spring for temperature fluctuations and vibration. Long neck mounting pad to reduce thermal transfer and preserve actuator. Reinforced PTFE seats for temperatures up to 180°C. Electric actuator includes visual indicator, 2 extra limit switches (voltage free) and a manual override. Typical applications include water treatment, chemical, marine, petrochemical and general industry. Length to DIN3202-M3 and Threads to ISO7/1. Watermark valves available upon request, contact Sales for more information. Watermark License Number WMK26529 approved to WMTS 012:2018.

Model Size (BSP) Size (mm) Actuator Media Pressure Media Temperature
BLS2B-E*-RT 1/4 8 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS3B-E*-RT 3/8 10 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS4B-E*-RT 1/2 15 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS5B-E*-RT 3/4 20 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS6B-E*-RT 1 25 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS7B-E*-RT 1 ¼ 32 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS8B-E*-RT 1 ½ 40 0M-1 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS9B-E*-RT 2 50 0M-A Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS10B-E*-RT 2 ½ 63 0M-2 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS11B-E*-RT 3 80 0M-3 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C
BLS12B-E*-RT 4 100 0M-3 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C

*Voltages available; 12vDC, 24vDC, 24vAC, 110vAC, 240vAC, 415vAC.

Stainless Steel Electric Ball Valve Pressure vs Temperature

Stainless Steel Electric Ball Valve

Model Size Actuator d h L B C
BLS2B-E*-RT 1/4" 0M-1 11 32.5 50 108 155
BLS3B-E*-RT 3/8" 0M-1 12.5 32.5 60 108 155
BLS4B-E*-RT 1/2" 0M-1 15 42 75 108 155
BLS5B-E*-RT 3/4" 0M-1 20 50 80 108 155
BLS6B-E*-RT 1" 0M-1 25 58 90 108 155
BLS7B-E*-RT 1-1/4" 0M-1 32 64 110 108 155
BLS8B-E*-RT 1-1/2" 0M-1 40 69.5 120 108 155
BLS9B-E*-RT 2" 0M-A 50 78 140 130 200
BLS10B-E*-RT 2-1/2" 0M-2 65 100 185 200 290
BLS11B-E*-RT 3" 0M-3 80 112.5 205 200 290
BLS12B-E*-RT 4" 0M-4 100 125.5 240 234 315

All dimensions in mm unless otherwise show.

Stainless Steel Electric Ball Valve

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

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 Electric

Product History