ROUGHING ACCESSORIES

[ Braided Flexible Hose ] [ Coaxial Foreline Traps ] 
 [ High Pressure Flexible Hose ] [ Molecular Sieve Traps ]  
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[ Unbraided Flexible Hose ]  [ Vent & Back Fill Valves ]
VENT AND BACK FILL VALVES
VENT AND BACK FILL VALVES
 The valves are stainless steel with metal
bellows shaft seals. They are mounted on a flange and have a 1/4" O.D. tubulation for attaching gas lines. Other terminations areavailable.
PART NUMBER REFERENCE NUMBER FLANGE DESCRIPTION
PRICE $
150300 133-V Mini flange with valve 225
150301 275-V 2 3/4" flange with valve 230
150302 NW-16V NW-16 flange with valve 225
150303 NW-25V NW-25 flange with valve 225
150304 NW-40V NW-40 flange with valve 235
150305 NW-50V NW-50 flange with valve 235
DOUBLE SIDED FLANGES
 Double sided flanges are used in roughing manifolds as a convenient and space saving way to attach thermocouple tubes and/or vent valves to a system. Available in all sizes, but 2 3/4" size is the most commonly used size.
DOUBLE SIDED FLANGES
PART NUMBER REFERENCE NUMBER FLANGE O.D. FLANGE DESCRIPTION THICKNESS
PRICE $
150400 275-000-DFF 2 3/4 No accessory holes 3/4" 35
150450 275-000-DFF-1 2 3/4 One 1/8 NPT hole 3/4" 50
150451 275-000-DFF-2 2 3/4 Two 1/8 NPT hole 3/4" 60
150452 275-000-DFF-TC 2 3/4 Thermocouple tube 3/4" 105
150453 275-000-DFF-V 2 3/4 Stainless steel bellows vent valve 3/4" 250
150454 275-000-DFF-TCV 2 3/4 Thermocouple & stainless steel metal vent valve 3/4" 295
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