50mm NC 10 Bar SR63 304 S.S EPDM

SKU: BFK550-SR-E

$231.00
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Cast Iron normally closed Wafer butterfly valve, with spring return actuator.50mm, EPDM seat, 304 S.S disc, SR63Vacuum-10 BAR pressure range, media temp -40°C to 120°C.

The BFK series has a cast iron body, 304 S.S disc, EPDM seat and a spring return pneumatic actuator making them suited to a wide range of general water applications. These wafer butterfly valves will fit all standard flanges. Designed & manufactured in accordance with API609, inspected and tested in accordance with API598. Common applications include water trucks, irrigation and non corrosive industrial applications. Available options include; Limit Switch Box, Namur Solenoid Valve, Pneumatic Toggle, Speed Controllers, Silencers, Fittings and Tubing. If sizes above 300mm are required please see BFD series (cast iron, 316 SS disc).

Model Size (mm) Actuator Media Pressure Media Temperature Actuator Pressure
BFK550-SR-E 50 SR63 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK565-SR-E 65 SR63 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK580-SR-E 80 SR75 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5100-SR-E 100 SR75 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5125-SR-E 125 SR88 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5150-SR-E 150 SR115 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5200-SR-E 200 SR125 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5250-SR-E 250 SR145 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR
BFK5300-SR-E 300 SR160 Vacuum to 10 BAR -10°C to 100°C 6 to 8 BAR

For Sprung Open the ‘5’ in the product code changes to a ‘6’.

For sizes above 300mm please see BFD series (cast iron, 316 SS disc).

(BFKSR)

Spring Return Cast Iron Wafer Butterfly Valve 304 Stainless Disc

DN Actuator A B F H1 H2 H3 L
50 SR63 162 81 80.4 71.3 125 101 43
65 SR63 162 81 80.4 77.5 140 101 46
80 SR75 208 97 94.5 89.2 145 117 46
100 SR75 208 97 94.5 101.5 165 117 52
125 SR88 245 116 109 117.5 178 136 56
150 SR115 310 142 137 145 185 172 56
200 SR125 340 154 148 163.5 225 184 60
250 SR145 401 179 168.5 190.5 257 209 68
300 SR160 430 192 186.5 230 302 222 78

All dimensions in mm unless shown otherwise. 

Spring Return Wafer Butterfly Valve 304 Stainless Disc

Number Item Material
1 Body Fusion Bonded Epoxy Cast Iron
2 Disc 304 Stainless Steel
3 Shaft 416 Stainless Steel
4 Pin 304 Stainless Steel
5 Seat Phenolic backed cartridge style EPDM
6 Bushings PTFE
7 Stem Orings EPDM
10 Visual Indicator Thermoplastic
11 End Stops 316 Stainless Steel
12 Actuator Ports Anodized Aluminium

Size 50mm to 300mm
Body FBE coated Cast Iron
Seat EPDM
Disc 304 Stainless Steel
Pressure 10 BAR
Actuation Spring Return Pneumatic

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