Stainless Steel Ball Valve - Air Open, Air Close

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316 S.S 2 way, 3 piece ball valve, with double acting actuator.G1/4", 8mm bore, RTFE seat, FKM seals, live loaded packingVacuum-68 BAR pressure range, media temp -20°C to 180°C.Anodised & coated aluminium double acting pneumatic actuator DA50

High performance 3 piece full bore 316 Stainless Steel ball valve with BSP threaded connections and a double acting 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.

Model	Size (BSP)	DN (mm)	Actuator	Media Pressure	Media Temperature	Actuator Pressure
BLS2B-DA-RT	1/4	8	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS3B-DA-RT	3/8	10	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS4B-DA-RT	1/2	15	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS5B-DA-RT	3/4	20	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS6B-DA-RT	1	25	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS7B-DA-RT	1 ¼	32	DA63	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS8B-DA-RT	1 ½	40	DA63	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS9B-DA-RT	2	50	DA75	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS10B-DA-RT	2 ½	65	DA88	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS11B-DA-RT	3	80	DA100	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS12B-DA-RT	4	100	DA115	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR

Also available in NPT, please contact us.

Stainless Steel Double Acting Ball Valve Pressure vs Temperature

(BLSDA)

Stainless Steel Double Acting Ball Valve

Model	DN	Actuator	A	E	D	H	L	P
BLS2B-DA-RT	8	DA50	139	89	69	145	60	1/8”
BLS3B-DA-RT	10	DA50	139	89	69	145	60	1/8”
BLS4B-DA-RT	15	DA50	139	89	69	160	75	1/8”
BLS5B-DA-RT	20	DA50	139	89	69	175	80	1/8”
BLS6B-DA-RT	25	DA50	139	89	69	185	90	1/8”
BLS7B-DA-RT	32	DA63	162	100	80	200	110	1/8”
BLS8B-DA-RT	40	DA63	162	100	80	220	120	1/8”
BLS9B-DA-RT	50	DA75	207	117	97	250	140	1/8”
BLS10B-DA-RT	65	DA88	237	128	108	295	185	1/8”
BLS11B-DA-RT	80	DA100	271	141	121	345	206	1/4"
BLS12B-DA-RT	100	DA115	328	171	141	410	240	1/4"

All dimensions in mm unless otherwise shown.

Stainless Steel Double Acting 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 70 BAR
Temperature -20°C to 180°C
Actuation Double Acting Pneumatic

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Description

Model	Size (BSP)	DN (mm)	Actuator	Media Pressure	Media Temperature	Actuator Pressure
BLS2B-DA-RT	1/4	8	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS3B-DA-RT	3/8	10	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS4B-DA-RT	1/2	15	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS5B-DA-RT	3/4	20	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS6B-DA-RT	1	25	DA50	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS7B-DA-RT	1 ¼	32	DA63	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS8B-DA-RT	1 ½	40	DA63	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS9B-DA-RT	2	50	DA75	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS10B-DA-RT	2 ½	65	DA88	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS11B-DA-RT	3	80	DA100	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR
BLS12B-DA-RT	4	100	DA115	-1 to 70 BAR (10 BAR Steam)	-20°C to 180°C	6 to 8 BAR

Also available in NPT, please contact us.

(BLSDA)

Videos

Dimensions

Model	DN	Actuator	A	E	D	H	L	P
BLS2B-DA-RT	8	DA50	139	89	69	145	60	1/8”
BLS3B-DA-RT	10	DA50	139	89	69	145	60	1/8”
BLS4B-DA-RT	15	DA50	139	89	69	160	75	1/8”
BLS5B-DA-RT	20	DA50	139	89	69	175	80	1/8”
BLS6B-DA-RT	25	DA50	139	89	69	185	90	1/8”
BLS7B-DA-RT	32	DA63	162	100	80	200	110	1/8”
BLS8B-DA-RT	40	DA63	162	100	80	220	120	1/8”
BLS9B-DA-RT	50	DA75	207	117	97	250	140	1/8”
BLS10B-DA-RT	65	DA88	237	128	108	295	185	1/8”
BLS11B-DA-RT	80	DA100	271	141	121	345	206	1/4"
BLS12B-DA-RT	100	DA115	328	171	141	410	240	1/4"

All dimensions in mm unless otherwise shown.

Construction

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

Features

Size 1/4" to 4" BSP
Body 316 Stainless Steel 3 piece
Seat Reinforced PTFE
Pressure 70 BAR
Temperature -20°C to 180°C
Actuation Double Acting Pneumatic

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