Stainless Steel Spring Return Ball Valve

SKU: BLSSR

$209.00
Inc GST In Stock
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DATA SHEET

High performance 3 piece full 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. 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. Anodised aluminium spring return pneumatic actuator which allows a fail safe position if air is lost. Typical applications include water treatment, chemical, marine, petrochemical and general industry. Length to DIN3202-M3 and Threads to ISO7/1.

Model Size (BSP) Size (mm) Actuator Media Pressure Media Temperature Actuator Pressrue
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
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
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
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
BLS56B-SR-RT 1 25 SR63 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR
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
BLS58B-SR-RT 1 ½ 40 SR88 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR
BLS59B-SR-RT 2 50 SR88 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR
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
BLS511B-SR-RT 3 80 SR115 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR
BLS512B-SR-RT 4 100 SR125 Vacuum (29" Hg) to 63 BAR (10 BAR Steam) -20°C to 180°C 6 to 8 BAR

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

(BLSSR)

Spring Return Stainless Steel ball Valve

Model DN Actuator A E D H L P
BLS52B-SR-RT 8 SR50 139 89 69 145 60 1/8”
BLS53B-SR-RT 10 SR50 139 89 69 145 60 1/8”
BLS54B-SR-RT 15 SR50 139 89 69 160 74 1/8”
BLS55B-SR-RT 20 SR50 139 89 69 175 80 1/8”
BLS56B-SR-RT 25 SR63 162 100 80 195 90 1/8”
BLS57B-SR-RT 32 SR75 207 117 97 217 110 1/8”
BLS58B-SR-RT 40 SR88 237 128 108 255 120 1/8”
BLS59B-SR-RT 50 SR88 237 128 108 270 140 1/8”
BLS510B-SR-RT 65 SR100 271 141 121 305 185 1/8”
BLS511B-SR-RT 80 SR115 328 171 141 375 206 1/4"
BLS512B-SR-RT 100 SR125 366 183 153 420 240 1/4"

All dimensions in mm unless noted otherwise.

Stainless Steel Pneumatic Spring Return Ball Valve

Item Article Material
1 Visual Indicator UV Stabilised Thermoplastic
2 Adjustable Stops Stainless Steel
3 Supply Ports Threaded & Namur Interface
4 Drive 316 Stainless Steel
5 Chevron Seals Reinforced Teflon
6 Backing O-ring Viton
7 Thrust Washer Reinforced Teflon
8 ISO Mounting Pad 316 Stainless Steel
9 Tie Rods 316 Stainless Steel
10 Washer 316 Stainless Steel
11 Nut 316 Stainless Steel
12 Ball Polished 316 Stainless Steel
13 Seats Reinforced Teflon
14 Body 316 Stainless Steel

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

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