High performance 3 piece full bore 316 Stainless Steel ball valve with BSP threaded connections. Self adjusting stem packing assembly with belleville spring for temperature fluctuations and vibration. Pre drilled metric hole on ISO5211 direct mounting pad to minimise any thermal transfer from valve to actuator. Reinforced PTFE seats for temperatures up to 180°C. This ball valve has a lockable lever operation so it can be locked in one position if needed. Typical applications include water treatment, chemical, marine, petrochemical and general industry. Length to DIN3202-M3, Threads to ISO7/1 and mounting pad to ISO5211. Watermark valves available upon request, contact Sales for more information. Watermark License Number WMK26529 approved to WMTS 012:2018.

Model Size (BSP) Size (mm) Media Pressure Media Temperature Torque (NM)
BLS2B-L-RT 1/4 8 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 4
BLS3B-L-RT 3/8 10 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 4
BLS4B-L-RT 1/2 15 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 5
BLS5B-L-RT 3/4 20 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 8
BLS6B-L-RT 1 25 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 10
BLS7B-L-RT 1 ¼ 32 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 14
BLS8B-L-RT 1 ½ 40 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 18
BLS9B-L-RT 2 50 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 25
BLS10B-L-RT 2 ½ 65 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 48
BLS11B-L-RT 3 80 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 75
BLS12B-L-RT 4 100 Vacuum (29" Hg) to 63 Bar (10 Bar Steam) -20°C to 180°C 110

Also available in NPT & socket weld, please contact us.

Stainless Steel Ball Valve Pressure vs Temperature

2 way 3 piece Stainless Steel Ball Valve Dimensions

Size d L L1 H h C W ISO5211 Kg
1/4" 11 50 10 59 32.5 9 115 F03 0.46
3/8" 12.5 60 11 59 32.5 9 115 F03 0.48
1/2" 15 75 15.5 70 42 9 117 F03/F04 0.5
3/4" 20 80 16 78 50 11 134 F04/F05 0.89
1" 25 90 19 87 58 11 134 F04/F05 1.28
1-1/4" 32 110 21 98 64 14 203 F05/F07 1.99
1-1/2" 40 120 21 104 69.5 14 203 F05/F07 2.96
2" 50 140 25 112 78 14 203 F05/F07 3.75
2-1/2" 65 185 30 140 100 17 255 F07/F10 7.8
3" 80 205 33 153 112.5 17 255 F07/F10 12.4
4" 100 240 39 166 125.5 17 302 F07/F10 20.8

All dimensions in mm unless shown otherwise. 

2 way 3 piece Stainless Steel Ball Valve Construction

Item Part Material Qty
1 Body CF8M 1
2 Ball SS316 1
3 Ball Seat 15%RPTFE 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 Spring Washer SS304 1
Item Part Material Qty
12 Stem SS316 1
13 Nut SS304 2
14 Handle SS304 1
15 Handle Cover Plastic 1
16 Belleville Washer SS301 2
17 Spring Washer SS304 4
18 Nut SS304 4
19 Bolt SS304 4
20 Cap CF8M (1.4408) 2
21 Stop Pin SS304 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 Lockable Lever or Gear Box

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