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.

Sort By

Items 101-150 of 316

per page
Product Image of DURAN Single way stopcocks, ground/polished, w/o keys, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
DURAN Single way stopcocks, ground/polished, w/o keys, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
Item number: DU286440602
Brand: Duran Group
€521.50
Product Image of DURAN Single way stopcocks, ground/polished, w/o keys, bore 4 mm, NS 18.8, side arms 10 mm, 25 pc/PAK
DURAN Single way stopcocks, ground/polished, w/o keys, bore 4 mm, NS 18.8, side arms 10 mm, 25 pc/PAK
Item number: DU286440405
Brand: Duran Group
€473.75
Product Image of DURAN Capillary-single way stopcocks, ground and polished, without keys, NS 14.5, 50 pc/PAK
DURAN Capillary-single way stopcocks, ground and polished, without keys, NS 14.5, 50 pc/PAK
Item number: DU286440002
Brand: Duran Group
€1,176.50
Product Image of DURAN Single way stopcocks, ground/polished, w/o keys, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK
DURAN Single way stopcocks, ground/polished, w/o keys, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK
Item number: DU286439807
Brand: Duran Group
€885.00
Product Image of DURAN Single way stopcocks, ground/polished, w/o keys, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
DURAN Single way stopcocks, ground/polished, w/o keys, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
Item number: DU286439601
Brand: Duran Group
€814.50
Product Image of DURAN Capillary-single way stopcocks, ground and polished, without keys, NS 12.5, 50 pc/PAK
DURAN Capillary-single way stopcocks, ground and polished, without keys, NS 12.5, 50 pc/PAK
Item number: DU286439207
Brand: Duran Group
€1,075.50
Product Image of DURAN Single way stopcocks, ground and polished, without keys, bore 1,5 mm, NS 12.5, 50 pc/PAK
DURAN Single way stopcocks, ground and polished, without keys, bore 1,5 mm, NS 12.5, 50 pc/PAK
Item number: DU286439001
Brand: Duran Group
€750.00
Product Image of DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 6 mm, NS 21.5, 25 pc/PAK
DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 6 mm, NS 21.5, 25 pc/PAK
Item number: DU286433204
Brand: Duran Group
€1,712.75
Product Image of DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 4 mm, NS 18.8, 25 pc/PAK
DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 4 mm, NS 18.8, 25 pc/PAK
Item number: DU286433007
Brand: Duran Group
€1,446.50
Product Image of DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
DURAN Separating funnel stopcocks, with short inlet, with PTFE-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
Item number: DU286432808
Brand: Duran Group
€947.50
Product Image of DURAN Separating funnel stopcocks, with short inlet, with SBW-keys, bore 4 mm, NS 18.8, 25 pc/PAK
DURAN Separating funnel stopcocks, with short inlet, with SBW-keys, bore 4 mm, NS 18.8, 25 pc/PAK
Item number: DU286432405
Brand: Duran Group
€930.75
Product Image of DURAN Separating funnel stopcocks, with short inlet, with SBW-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
DURAN Separating funnel stopcocks, with short inlet, with SBW-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
Item number: DU286432208
Brand: Duran Group
€602.50
Product Image of DURAN Separating funnel stopcocks, Gilson type, complete with PTFE-keys, bore 4 mm, NS 18.8, 25 pc/PAK
DURAN Separating funnel stopcocks, Gilson type, complete with PTFE-keys, bore 4 mm, NS 18.8, 25 pc/PAK
Item number: DU286430001
Brand: Duran Group
€1,299.25
Product Image of DURAN Separating funnel stopcocks, Gilson type, compl. with PTFE-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
DURAN Separating funnel stopcocks, Gilson type, compl. with PTFE-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
Item number: DU286429806
Brand: Duran Group
€814.50
Product Image of DURAN Separating funnel stopcocks, Gilson type, complete with PTFE-keys, bore 2 mm, NS 12.5, 25 pc/PAK
DURAN Separating funnel stopcocks, Gilson type, complete with PTFE-keys, bore 2 mm, NS 12.5, 25 pc/PAK
Item number: DU286429609
Brand: Duran Group
€732.75
Product Image of DURAN Separating funnel stopcocks, Gilson type, compl. with SBW-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
DURAN Separating funnel stopcocks, Gilson type, compl. with SBW-keys, bore 2,5 mm, NS 14.5, 25 pc/PAK
Item number: DU286428801
Brand: Duran Group
€520.25
Product Image of DURAN Separating funnel stopcocks, Gilson type, complete with SBW-keys, bore 2 mm, NS 12.5, 25 pc/PAK
DURAN Separating funnel stopcocks, Gilson type, complete with SBW-keys, bore 2 mm, NS 12.5, 25 pc/PAK
Item number: DU286428407
Brand: Duran Group
€518.75
Product Image of DURAN Stopcocks, two way, complete with PTFE-keys, bore 6 mm, NS 21.5, 10 pc/PAK
DURAN Stopcocks, two way, complete with PTFE-keys, bore 6 mm, NS 21.5, 10 pc/PAK
Item number: DU286426003
Brand: Duran Group
€1,027.70
Product Image of DURAN Stopcocks, two way, ground, without keys, NS 18.8, 10 pc/PAK
DURAN Stopcocks, two way, ground, without keys, NS 18.8, 10 pc/PAK
Item number: DU286425804
Brand: Duran Group
€467.60
Product Image of DURAN Stopcocks, two way, complete with PTFE-keys, bore 4 mm, NS 18.8, 10 pc/PAK
DURAN Stopcocks, two way, complete with PTFE-keys, bore 4 mm, NS 18.8, 10 pc/PAK
Item number: DU286425607
Brand: Duran Group
€698.30
Product Image of DURAN Stopcocks, two way,ground, without keys, NS 18.8, 10 pc/PAK
DURAN Stopcocks, two way,ground, without keys, NS 18.8, 10 pc/PAK
Item number: DU286425204
Brand: Duran Group
€329.30
Product Image of DURAN Stopcocks, two way, complete with SBW-keys, bore 4 mm, NS 18.8/50, 10 pc/PAK
DURAN Stopcocks, two way, complete with SBW-keys, bore 4 mm, NS 18.8/50, 10 pc/PAK
Item number: DU286425007
Brand: Duran Group
€546.70
Product Image of DURAN Stopcocks, two way, ground and polished, without keys, NS 14.5, 10 pc/PAK
DURAN Stopcocks, two way, ground and polished, without keys, NS 14.5, 10 pc/PAK
Item number: DU286424808
Brand: Duran Group
€349.20
Product Image of DURAN Stopcocks, two way, complete with PTFE-keys, bore 2,5 mm, NS 14.5, 10 pc/PAK
DURAN Stopcocks, two way, complete with PTFE-keys, bore 2,5 mm, NS 14.5, 10 pc/PAK
Item number: DU286424208
Brand: Duran Group
€533.60
Product Image of DURAN Stopcocks, two way, ground, without keys, NS 14.5, 10 pc/PAK
DURAN Stopcocks, two way, ground, without keys, NS 14.5, 10 pc/PAK
Item number: DU286423006
Brand: Duran Group
€220.90
Product Image of DURAN Stopcocks, two way, double oblique bore, compl. with SBW-key, bore 2,5 mm, NS 14.5/22, 10 pc/PAK
DURAN Stopcocks, two way, double oblique bore, compl. with SBW-key, bore 2,5 mm, NS 14.5/22, 10 pc/PAK
Item number: DU286422807
Brand: Duran Group
€399.00
Product Image of DURAN Three-way stopcocks, T-bore 2,5 mm, NS 18.8, complete with PTFE-key, 5 pc/PAK
DURAN Three-way stopcocks, T-bore 2,5 mm, NS 18.8, complete with PTFE-key, 5 pc/PAK
Item number: DU286419805
Brand: Duran Group
€296.40
Product Image of DURAN Three-way stopcocks, T-bore 2,5 mm, complete with SBW-keys, NS 18.8, 5 pc/PAK
DURAN Three-way stopcocks, T-bore 2,5 mm, complete with SBW-keys, NS 18.8, 5 pc/PAK
Item number: DU286418406
Brand: Duran Group
€212.80
Product Image of DURAN Three-way stopcocks, T-bore 2 mm, NS 14.5, complete with PTFE-key 3-part retaining device, 5 pc/PAK
DURAN Three-way stopcocks, T-bore 2 mm, NS 14.5, complete with PTFE-key 3-part retaining device, 5 pc/PAK
Item number: DU286417804
Brand: Duran Group
€240.95
Product Image of DURAN Three-way stopcocks, T-bore 2 mm, NS 14.5, complete with SBW-key 3-part retaining device, 5 pc/PAK
DURAN Three-way stopcocks, T-bore 2 mm, NS 14.5, complete with SBW-key 3-part retaining device, 5 pc/PAK
Item number: DU286416405
Brand: Duran Group
€167.20
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 10 mm, NS 29.2, 5 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 10 mm, NS 29.2, 5 pc/PAK
Item number: DU286415006
Brand: Duran Group
€442.55
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 8 mm, NS 24, 5 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 8 mm, NS 24, 5 pc/PAK
Item number: DU286414807
Brand: Duran Group
€324.50
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 6 mm, NS 21.5, 5 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 6 mm, NS 21.5, 5 pc/PAK
Item number: DU286414601
Brand: Duran Group
€242.75
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
Item number: DU286414207
Brand: Duran Group
€868.50
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 4 mm, NS 18.8, side arms 10 mm, 25 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 4 mm, NS 18.8, side arms 10 mm, 25 pc/PAK
Item number: DU286413802
Brand: Duran Group
€819.25
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK
Item number: DU286413605
Brand: Duran Group
€1,264.50
Product Image of DURAN Single way stopcocks, complete with PTFE key, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
DURAN Single way stopcocks, complete with PTFE key, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
Item number: DU286413408
Brand: Duran Group
€1,225.00
Product Image of DURAN Single way stopcocks, complete with PTFE-key, bore 2,5 mm, NS 12.5, 50 pc/PAK
DURAN Single way stopcocks, complete with PTFE-key, bore 2,5 mm, NS 12.5, 50 pc/PAK
Item number: DU286412806
Brand: Duran Group
€1,056.00
Product Image of DURAN Single way stopcocks, complete with PTFE-key, bore 2 mm, NS 12.5, 50 pc/PAK
DURAN Single way stopcocks, complete with PTFE-key, bore 2 mm, NS 12.5, 50 pc/PAK
Item number: DU286412609
Brand: Duran Group
€1,056.00
Product Image of DURAN Single way capillary stopcocks, complete with PTFE-key, bore 2,5 mm, NS 14.5, 50 pc/PAK
DURAN Single way capillary stopcocks, complete with PTFE-key, bore 2,5 mm, NS 14.5, 50 pc/PAK
Item number: DU286412403
Brand: Duran Group
€1,638.00
Product Image of DURAN Single way capillary stopcocks, complete with SBW-key, bore 2,5 mm, NS 14.5, 50 pc/PAK
DURAN Single way capillary stopcocks, complete with SBW-key, bore 2,5 mm, NS 14.5, 50 pc/PAK
Item number: DU286412009
Brand: Duran Group
€1,132.00
Product Image of DURAN Single way capillary stopcocks, complete with PTFE-key, bore 2 mm, NS 12.5, 50 pc/PAK
DURAN Single way capillary stopcocks, complete with PTFE-key, bore 2 mm, NS 12.5, 50 pc/PAK
Item number: DU286411604
Brand: Duran Group
€1,462.00
Product Image of DURAN Single way capillary stopcocks, complete with SBW-key, bore 2 mm, NS 12.5, 50 pc/PAK
DURAN Single way capillary stopcocks, complete with SBW-key, bore 2 mm, NS 12.5, 50 pc/PAK
Item number: DU286410805
Brand: Duran Group
€1,077.00
Product Image of DURAN Single way stopcocks, complete with DURAN key with groove, bore 10 mm, NS 29.2, 5 pc/PAK
DURAN Single way stopcocks, complete with DURAN key with groove, bore 10 mm, NS 29.2, 5 pc/PAK
Item number: DU286407803
Brand: Duran Group
€306.35
Product Image of DURAN Single way stopcocks, complete with DURAN key with groove, bore 8 mm, NS 24, 5 pc/PAK
DURAN Single way stopcocks, complete with DURAN key with groove, bore 8 mm, NS 24, 5 pc/PAK
Item number: DU286407606
Brand: Duran Group
€252.75
Product Image of DURAN Single way stopcocks, complete with DURAN key with groove, bore 6 mm, NS 21.5, 5 pc/PAK
DURAN Single way stopcocks, complete with DURAN key with groove, bore 6 mm, NS 21.5, 5 pc/PAK
Item number: DU286407409
Brand: Duran Group
€172.85
Product Image of DURAN Single way stopcocks, complete with SBW key, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
DURAN Single way stopcocks, complete with SBW key, bore 6 mm, NS 18.8, side arms 13 mm, 25 pc/PAK
Item number: DU286407203
Brand: Duran Group
€591.75
Product Image of DURAN Single way stopcocks, complete with SBW key, bore 4 mm, NS 18.8., side arms 10 mm, 25 pc/PAK
DURAN Single way stopcocks, complete with SBW key, bore 4 mm, NS 18.8., side arms 10 mm, 25 pc/PAK
Item number: DU286406807
Brand: Duran Group
€519.25
Product Image of DURAN Single way stopcocks, complete with SBW key, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK,
DURAN Single way stopcocks, complete with SBW key, bore 4 mm, NS 14.5, side arms 10 mm, 50 pc/PAK,
Item number: DU286405408
Brand: Duran Group
€852.00
Product Image of DURAN Single way stopcocks, complete with SBW key, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
DURAN Single way stopcocks, complete with SBW key, bore 2,5 mm, NS 14.5, side arms 9 mm, 50 pc/PAK
Item number: DU286404806
Brand: Duran Group
€786.00

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.

Go back to products