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VHP Unions for Capillary Tubing

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Upchurch Scienti-c® has expanded its line of specialized -ttings and connectors for UHPLC applications to include several innovative unions and adapters.

 

Two of these products - the UH-432 and UH-436 - follow the design of our popular Mini MicroFilters (see page 165) and allow a convenient union between either 1/32” OD tubing or 360 μm OD tubing. Each features a stainless steel union body and a unique stainless steel union capsule, enabling both excellent chemical compatibility as well as conductivity, making these a great choice for electrical interfacing in certain LC-MS applications.  Each is also coupled with direct-connect ferrules made from our proprietary PEEK polymer blend (PK), allowing tubing connections up to 15,000 psi (1,034 bar). (Please Note: While these connectors can be used at elevated pressures, they are not recommended for applications above 100 ºC.)

 

The UH-632 is a more traditionally designed connector, incorporating internally threaded ports. The union (UH-632) features a true ZDV (zero dead volume) connection between both tubes. This unique product is coupled with our one-piece Ultra-High Performance Fingertight -ttings manufactured from our proprietary PEEK polymer blend, allowing them to be used in high temperature applications (up to 200 ºC) at pressures up to 6,000 psi (414 bar) - or use these connectors at room temperature up to 15,000 psi (1,034 bar)!.

 

 

주문정보

 VHPUnions_2.jpg


 

Part No.

Description

Threads

Includes

Thru-hole

Swept
  Volume

Pressure
  Rating

UH-432

MicroTight Union
  for 1/32” OD
  Tubing, PEEK/SST

5/16-24
  Coned

(2) PK-112,
  (2) P-416

0.006”
  (0.150 mm)

5 nL

15,000 psi
   (1,034 bar)

UH-436

MicroTight Union
  for 360 μm OD
  Tubing, PEEK/SST

5/16-24
  Coned

(2) PK-112,
  (2) P-416BLK

0.006”
  (0.150 mm)

5 nL

15,000 psi
   (1,034 bar)

UH-632

MicroTight True ZDV  
  Union for 1/32” OD
  Tubing, PEEK/SST

6-32 Coned

(2) PK-126,
  (1) P-553
  Gauge Plug

N/A

N/A

15,000 psi
   (1,034 bar)

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