Stopcocks, Valves

Here you find stopcocks and valves in several forms and with diverse characteristics: We offer e. g. clearance valves or one-way-valves as well as high vacuum or PTFE valves. Due to their fine thread, high vacuum valves are suitable for exact dosing. PTFE valves enable greaseless analyses. Stopcocks have several outflows: one-way, two-way or three-way and are also available with hose connectors. We stock products of numerous renowned manufacturers, e.g. stopcocks made of PTFE by Bohlender or made of borosilicate glass by Duran.

Hier you find further information on 2- and 3-Way-Stopcocks.

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Product Image of Safety vavle Safety vavle
Safety vavle Safety vavle
Item number: HI9903202
Brand: Hirschmann

In stock

€42.64
Product Image of Two-way valve, PVDF, Ø 5-7 mm, NW 4 mm, white, old No. 8607-6
Two-way valve, PVDF, Ø 5-7 mm, NW 4 mm, white, old No. 8607-6
Item number: BÜ8607-0060
Brand: Bürkle

In stock

€11.50
Product Image of Screw closure DIN50 with spigot
Screw closure DIN50 with spigot
Item number: BÜ1427-9102
Brand: Bürkle

In stock

€9.55
Product Image of Screw closure DIN60 with spigot
Screw closure DIN60 with spigot
Item number: BÜ1427-9100
Brand: Bürkle

In stock

€10.55
Product Image of Screw closure, HDPE with dispensing pump for 2/2,5/3/6/8 l canister,, old No.: KA80596921
Screw closure, HDPE with dispensing pump for 2/2,5/3/6/8 l canister,, old No.: KA80596921
Item number: KA2000096921
Brand: Kautex

In stock

€14.25
Product Image of Screw closure, HDPE, with stopcock for 3-liter jerrycans,, old No.: KA80595872
Screw closure, HDPE, with stopcock for 3-liter jerrycans,, old No.: KA80595872
Item number: KA2000095872
Brand: Kautex

In stock

€8.55
Product Image of Screw closure, HDPE for 10 jerrycans with dispensing pump,, old No.: KA80590568
Screw closure, HDPE for 10 jerrycans with dispensing pump,, old No.: KA80590568
Item number: KA2000090568
Brand: Kautex

In stock

€14.79
Product Image of Screw closure, HDPE for 20 to 30-liter jerrycans, with stopcock
Screw closure, HDPE for 20 to 30-liter jerrycans, with stopcock
Item number: KA2000090480
Brand: Kautex

In stock

€12.58
Product Image of Screw closure, HDPE with stopcock for 5 and +10-liter jerrycans,, old No.: KA80590386
Screw closure, HDPE with stopcock for 5 and +10-liter jerrycans,, old No.: KA80590386
Item number: KA2000090386
Brand: Kautex

In stock

€10.10
Product Image of Stopcock, PP, blue,, old No.: KA85183794
Stopcock, PP, blue,, old No.: KA85183794
Item number: KA2000083794
Brand: Kautex

In stock

€41.75
Product Image of Adapter for draincock,, old No.: KA85183793
Adapter for draincock,, old No.: KA85183793
Item number: KA2000083793
Brand: Kautex

In stock

€6.90
Product Image of Stopcock, HDPE, blue,, old No.: KA48076459
Stopcock, HDPE, blue,, old No.: KA48076459
Item number: KA2000076459
Brand: Kautex

In stock

€21.63
Product Image of KECK-Clips for conical joints, NI, KCM, NS 14.5, KECK-ART.-No. 02-14
KECK-Clips for conical joints, NI, KCM, NS 14.5, KECK-ART.-No. 02-14
Item number: DU286337302
Brand: Duran Group

In stock

€8.27
Product Image of 90° valves, PRODURAN, passage 0 - 6 mm
90° valves, PRODURAN, passage 0 - 6 mm
Item number: DU286057001
Brand: Duran Group

In stock

€67.54
Product Image of 90° valves, PRODURAN®, passage 0 - 4 mm
90° valves, PRODURAN®, passage 0 - 4 mm
Item number: DU286056802
Brand: Duran Group

In stock

€54.42
Product Image of Draincock for 5- and 10-l-bottle (acc./aspirator bottle)
Draincock for 5- and 10-l-bottle (acc./aspirator bottle)
Item number: DU241470409
Brand: Duran Group

In stock

€80.48
Product Image of Non-return valve, con. nozzle, Ø 8-10 mm, embossed, old No. 8714-0810
Non-return valve, con. nozzle, Ø 8-10 mm, embossed, old No. 8714-0810
Item number: BÜ8714-0080
Brand: Bürkle

In stock

€2.84
Product Image of Non-return valve, conic. nozzle, Ø 6-8mm, embossed, old No. 8714-0608
Non-return valve, conic. nozzle, Ø 6-8mm, embossed, old No. 8714-0608
Item number: BÜ8714-0060
Brand: Bürkle

In stock

€2.84
Product Image of Hose tubing stop-cock, HDPE, Ø 12-15 mm, NW 9mm, old No. 8614-9
Hose tubing stop-cock, HDPE, Ø 12-15 mm, NW 9mm, old No. 8614-9
Item number: BÜ8614-0009
Brand: Bürkle

In stock

€8.05
Product Image of Hose tubing stop-cock, HDPE, Ø 9-11 mm, NW 7 mm, old No. 8614-7
Hose tubing stop-cock, HDPE, Ø 9-11 mm, NW 7 mm, old No. 8614-7
Item number: BÜ8614-0007
Brand: Bürkle

In stock

€5.30
Product Image of Three-way valve, PVDF, Ø 9-11 mm, NW 8 mm, white, old No. 8608-10
Three-way valve, PVDF, Ø 9-11 mm, NW 8 mm, white, old No. 8608-10
Item number: BÜ8608-0100
Brand: Bürkle

In stock

€21.75
Product Image of Three-way valve, PVDF, Ø 5-7 mm, NW 4 mm, white, old No. 8608-6
Three-way valve, PVDF, Ø 5-7 mm, NW 4 mm, white, old No. 8608-6
Item number: BÜ8608-0060
Brand: Bürkle

In stock

€17.85
Product Image of Two-way valve, PVDF, Ø 9-11 mm, NW 8 mm, white, old No. 8607-10
Two-way valve, PVDF, Ø 9-11 mm, NW 8 mm, white, old No. 8607-10
Item number: BÜ8607-0100
Brand: Bürkle

In stock

€15.55
Product Image of Three-way valve, PP/PE, Ø11-13mm, NW 8mm,red/white
Three-way valve, PP/PE, Ø11-13mm, NW 8mm,red/white
Item number: BÜ8606-0120
Brand: Bürkle

In stock

€15.45
Product Image of Three-way valve, PP/PE, Ø9-11mm, NW 8mm, red/white, old No. 8606-10
Three-way valve, PP/PE, Ø9-11mm, NW 8mm, red/white, old No. 8606-10
Item number: BÜ8606-0100
Brand: Bürkle

In stock

€15.45
Product Image of Three-way valve, PP/PE, Ø 7-9mm, NW 6mm, red/white, old No. 8606-8
Three-way valve, PP/PE, Ø 7-9mm, NW 6mm, red/white, old No. 8606-8
Item number: BÜ8606-0080
Brand: Bürkle

In stock

€13.45
Product Image of Three-way valve, PP/PE, Ø 5-7mm, NW 4mm, red/white, old No. 8606-6
Three-way valve, PP/PE, Ø 5-7mm, NW 4mm, red/white, old No. 8606-6
Item number: BÜ8606-0060
Brand: Bürkle

In stock

€11.40
Product Image of Two-way valve, PP/PE, Ø 9-11 mm, NW 8mm, red/white, old No. 8605-10
Two-way valve, PP/PE, Ø 9-11 mm, NW 8mm, red/white, old No. 8605-10
Item number: BÜ8605-0100
Brand: Bürkle

In stock

€9.05
Product Image of Two-way valve, PP/PE, Ø 7-9 mm, NW 6 mm, red/white, old No. 8605-8
Two-way valve, PP/PE, Ø 7-9 mm, NW 6 mm, red/white, old No. 8605-8
Item number: BÜ8605-0080
Brand: Bürkle

In stock

€7.90
Product Image of Two-way valve, PP/PE, Ø 5-7 mm, NW 4 mm, red/white
Two-way valve, PP/PE, Ø 5-7 mm, NW 4 mm, red/white
Item number: BÜ8605-0060
Brand: Bürkle

In stock

€6.85
Product Image of IBC discharge valve w/ angle discharge - S60x6/ 1''
IBC discharge valve w/ angle discharge - S60x6/ 1''
Item number: BÜ0534-0002
Brand: Bürkle

In stock

€74.10
Product Image of IBC discharge valve w/ hose screw conn. - S60x6/1''
IBC discharge valve w/ hose screw conn. - S60x6/1''
Item number: BÜ0534-0001
Brand: Bürkle

In stock

€74.10
Product Image of Spigot ''Air'' self-venting, PE, 3/4'' outer- NW 13mm
Spigot ''Air'' self-venting, PE, 3/4'' outer- NW 13mm
Item number: BÜ0533-0010
Brand: Bürkle

In stock

€6.50
Product Image of Compact spigot, cap nut 3/4''
Compact spigot, cap nut 3/4''
Item number: BÜ0530-1000
Brand: Bürkle

In stock

€16.65
Product Image of StopCock angled, cap nut 3/4''- spout with nozzle, old No. 0525-1
StopCock angled, cap nut 3/4''- spout with nozzle, old No. 0525-1
Item number: BÜ0525-1000
Brand: Bürkle

In stock

€23.55
Product Image of Ball valve PP, 1'' inner - 1'' inner, NW 25 mm, old No. 8550-1
Ball valve PP, 1'' inner - 1'' inner, NW 25 mm, old No. 8550-1
Item number: BÜ0500-8001
Brand: Bürkle

In stock

€67.35
Product Image of Ball valve PP, cap nut R3/4'' inner-discharge angle, old No. 0500-1
Ball valve PP, cap nut R3/4'' inner-discharge angle, old No. 0500-1
Item number: BÜ0500-0100
Brand: Bürkle

In stock

€69.70
Product Image of Filling valve with nozzle + sealing ring for Titrette 25 and 50 ml
Filling valve with nozzle + sealing ring for Titrette 25 and 50 ml
Item number: BR6636
Brand: Brand

In stock

€29.04
Product Image of Replacement valve system macro pipette controller, PP/PTFE/silicone
Replacement valve system macro pipette controller, PP/PTFE/silicone
Item number: BR26128
Brand: Brand

In stock

€30.99
Product Image of Tube clamp, stainless steel magnetic, L=180mm
Tube clamp, stainless steel magnetic, L=180mm
Item number: BO2293
Brand: Bochem

In stock

€14.09
Product Image of Three-way stop-cock/PP bore 4mm T-form T-form, with Teflon-TFE-plugs
Three-way stop-cock/PP bore 4mm T-form T-form, with Teflon-TFE-plugs
Item number: NL64700004
Brand: Nalgene Thermo Scientific

In stock

€49.75
Product Image of Three-way stop-cock/PP, bore 2mm, T-form, with Teflon-TFE-plugs
Three-way stop-cock/PP, bore 2mm, T-form, with Teflon-TFE-plugs
Item number: NL64700002
Brand: Nalgene Thermo Scientific

In stock

€49.75
Product Image of Two-way stop-cock/PP, bore 4mm with Teflon-TFE-plugs
Two-way stop-cock/PP, bore 4mm with Teflon-TFE-plugs
Item number: NL64600004
Brand: Nalgene Thermo Scientific

In stock

€42.50
Product Image of Two-way stop-cock/PP, bore 2mm with Teflon-TFE-plugs
Two-way stop-cock/PP, bore 2mm with Teflon-TFE-plugs
Item number: NL64600002
Brand: Nalgene Thermo Scientific

In stock

€43.83
Product Image of Quick-release stopcock/PTFE
Quick-release stopcock/PTFE
Item number: NL64220010
Brand: Nalgene Thermo Scientific

In stock

€33.00
Product Image of Pinch cock 18/10 Steel, B = 40 mm, open on the side
Pinch cock 18/10 Steel, B = 40 mm, open on the side
Item number: BO12545
Brand: Bochem
€14.75
Product Image of Pinch cock Typ HOFFMANN, B=28 mm, A= 21 mm, with flap, heavy duty design
Pinch cock Typ HOFFMANN, B=28 mm, A= 21 mm, with flap, heavy duty design
Item number: BO12542
Brand: Bochem
€17.00
Product Image of Pinch cock Type HOFFMANN, B=28 mm, A= 21 mm, with flap
Pinch cock Type HOFFMANN, B=28 mm, A= 21 mm, with flap
Item number: BO12534
Brand: Bochem
€6.60
Product Image of Screw Cap DIN45, with Spigot
Screw Cap DIN45, with Spigot
Item number: BÜ1427-9101
Brand: Bürkle
€8.70
Product Image of RAVEqc Valve Bracket For attaching to Restek canister, not for Entech
RAVEqc Valve Bracket For attaching to Restek canister, not for Entech
Item number: RE27375
Brand: Restek
€13.60

BOLA by Bohlender offers a large assortment of stopcocks for various needs. BOLA 2-way and 3-way stopcocks made of PTFE are ideal for distributing liquids or gases and enable a quick and easy disconnection of flow. Temperature resistance from -200°C to +250°C, chemical resistance: +++ universal, pressure: 2 bar.

BOLA Stopcocks with Hose Connectors

We offer 2-way stopcocks with straight bore and two hose connectors or 3-way stopcocks with T-shaped bore and three hose connectors for connecting elastic tubing (e.g. Viton®, Tygon®, silicone). Conical stopcock plug, tightness is increased by turning the nut on the lower side. 3-way stopcock plug with T-shaped mark of flow direction. Universal chemical resistance, the flowing product is only exposed to PTFE.

Type

Bore shape stopcock

Bore dia.
mm

For tubing I.D.
mm

O.D. of connectors
mm

Outer dimensions
L x D x H mm

Cat.-No.
2-Ways I 1,5 4 4,5 60 x 22 x 53 BLE65003
2-Ways I 3,0 6 6,8 60 x 22 x 53 BLE65006
2-Ways I 4,0 8 9,0 60 x 22 x 53 BLE65009
2-Ways I 6,0 10 11,0 85 x 35 x 69 BLE65012
3-Ways T 1,0 4 4,5 60 x 41 x 53 BLE65050
3-Ways T 2,0 6 6,8 60 x 41 x 53 BLE65053
3-Ways T 3,0 8 9,0 60 x 41 x 53 BLE65056
3-Ways T 4,0 10 11,0 85 x 60 x 69 BLE65059

 

2-Way Stopcocks and 3-Way-Stopcocks

2-way stopcocks with straight bore and two connections or 3-way stopcocks with T-shaped bore and three connections, with nuts made of glass-fibre reinforced PTFE for connecting tubing or tube are available. Conical stopcock plug, tightness is increased by turning the nut on the lower side. 3-way stopcock plug with T-shaped mark of flow direction. Universal chemical resistance, the flowing product is only exposed to PTFE.

Type

Bore shape stopcock

Bore dia.
mm

For tubing O.D. mm

Thread
M

Outer dimensions
L x D x H mm

Cat.-No.
2-Ways I 2 4 14 x 2 59 x 22 x 53 BLE65202
2-Ways I 2 6 14 x 2 59 x 22 x 53 BLE65204
2-Ways I 5 8 18 x 2 74 x 35 x 69 BLE65206
2-Ways I 5 10 18 x 2 74 x 35 x 69 BLE65208
3-Ways T 1,5 4 14 x 2 59 x 41 x 53 BLE65402
3-Ways T 1,5 6 14 x 2 59 x 41 x 53 BLE65404
3-Ways T 3,5 8 18 x 2 74 x 54 x 69 BLE65406
3-Ways T 3,5 10 18 x 2 74 x 54 x 69 BLE65408

 

Duran Stopcocks & Valves

The manufacturer Duran is well-known for high quality lab supply made of borosilicate glass. This extraordinary robust and temperature resistant material is a relevant alternative in the manufacturing of stopcocks. Duran's stopcock range stands out thanks to high manufacturing accuracy and very good ground joint quality. This ensures you have highly effective sealing and interchangeability. For use at higher temperatures stopcocks with glass key are preferable. Stopcocks with PTFE keys enable grease-free working. Alongside standard stopcocks, Duran also offers high-vacuum adapted PRODURAN® valves.

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