[DWK Life Sciences] Product Overview

SAFETY

317

ULTRA-WARE® Storage

ULTRA-WARE® Five Valve Recirculation/Filtration Caps Standard - 953983-0047 • Patent No. 5,397,467 • Specially designed to permit the recirculation of mobile phase back into the reservoir while maintaining the helium sparged environment. • This cap also performs stepwise filtration, sparging/degassing, storage and delivery to the HPLC pump • An integral check valve prevents mobile phase from backing up into the gas lines • A pressure release valve protects the reservoir from being accidentally over-pressurized • The 1/4”-28 fitting connections allow easy connection to any HPLC pump system • Cap body is manufactured from glass-filled PTFE • Cap will fit any reservoir or bottle with a GL 45 thread

ULTRA-WARE® Four Valve Filtration/Delivery Caps Standard - 953981-0047 • Patent No. 5,397,467. • This cap combines the mobile phase filtration, sparging/ degassing, storage and delivery functions • All tubing connections are made in the back of the cap, reducing the typical clutter of tubing at the reservoirs • An integral check valve in the sparge port prevents the mobile phase from backing up into the gas lines • A pressure release valve prevents the reservoir from being accidentally over-pressurized • The 1/4”-28 fitting connections allow easy connection to any HPLC pump system • Cap body is manufactured from glass-filled PTFE • Cap will fit any reservoir or bottle with a GL 45 thread

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THF-Resistant - 953983-6347

THF-Resistant - 953981-6347

Patent No. 5,397,467

Patent No. 5,397,467

• Tetrahydrofuran (THF), widely used as a mobile phase for GPC, attacks the CTFE valve stems and TFE/propylene o-rings used in the standard Five Valve Cap • This special THF-resistant version has 316 stainless steel wherever the standard system has CTFE, and FFKM o-rings in place of the TFE/ propylene o-rings • This cap is also recommended for aggressive organic solutions such as chlorinated hydrocarbons, ethers and ketones • Cap body is manufactured from glass-filled PTFE • Cap will fit any reservoir or bottle with a GL 45 thread Part Number Filter Diameter (mm) THF Resistance Case Qty 953983-0047 47 No 1 953983-6347 47 Yes 1

• Tetrahydrofuran (THF), widely used as a mobile phase for GPC, attacks the CTFE valve stems and TFE/propylene o-rings used in the standard four valve cap • This special THF-resistant version has 316 stainless steel wherever the standard system has CTFE and FFKM o-rings in place of the TFE/ propylene o-rings • This cap is also recommended for aggressive organic solutions such as chlorinated hydrocarbons, ethers and ketones • Cap body is manufactured from glass-filled PTFE • Cap will fit any reservoir or bottle with a GL 45 thread Part Number Filter Diameter (mm) THF Resistance Case Qty 953981-0047 47 No 1 953981-6347 47 Yes 1

953914-0002

Replacement Parts

953914-0002

Replacement Parts

953914-0001

Part Number Case Qty 953914-0002 47 mm Upper Screw Clamp 1 953914-0001 47 mm 40-60 micron Porosity Glass Support Frit 1 953914-0006 PTFE Drip Tip 1 953981-0003 Check Valve with Retainer 1 953981-0004 Lower Cap Retainer Ring 1 953981-0005 GL 45 Lower Screw Cap 1 953981-0005 GL 45 Lower Screw Cap 1 Description

953914-0001

Part Number Case Qty 953914-0002 47 mm Upper Screw Clamp 1 953914-0001 47 mm 40-60 micron Porosity Glass Support Frit 1 953981-0001 Short CTFE Valve Stem 1 Description

953981-0001 953981-6301 953981-6302

Short Stainless Steel Valve Stem for Sparge and Pump Ports Long Stainless Steel Valve Stem for Filter, Vent and Recirculate Ports

953981-0003 953914-0006

953981-0003 953981-0001 953914-0006

953981-6301

1

953981-0004

Short Stainless Steel Valve Stem for Sparge and Pump Ports Long Stainless Steel Valve Stem for Filter, Vent and Recir- culate Ports

953981-0004

953981-6302

1

953981-6301

1

953981-0005

953914-0006 1 953981-0003 Check Valve with Retainer 1 953981-0004 Lower Cap Retainer Ring 1 953981-0005 GL 45 Lower Screw Cap 1 PTFE Drip Tip

953981-0005

953981-6302

1

Accessories

Accessories

Part Number 953984-0090

Description

Case Qty

90 mm Base Adapter

1

Part Number 953984-0090 953906-0090 953906-0047

Description

Case Qty

47 mm THF-Resistant Pickup Adapter 90 mm THF-Resistant Pickup Adapter

953906-6347

1

90 mm Base Adapter

1 1 1

90 mm Standard Pickup Adapter 47 mm Standard Pickup Adapter 90 mm THF-Resistant Pickup Adapter

953906-6390

1

953906-0047 47 mm Standard Pickup Adapter 953906-0090 90 mm Standard Pickup Adapter

1 1

953906-6390

1

953906-0047

47 mm Pickup Adapter

1

47 mm THF-Resistant Pickup Adapter

953906-6347

1

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