550 / 961
Valves
I
553
DPL418
877.963.4966 •
dixonvalve.comI
Block and Bleed Needle Valves
Features:
•
allows pressure to be bled off without disturbing the permanent piping installation allowing
quick and easy removal or replacement of instruments
•
FKM O-ring seal and PTFE back-up ring below the threads protects from corrosion and
galling
•
stem threads are rolled for strength and ease of operation
•
metal-to-metal hard seat design is 100% helium leak tested to 1 x 10-4 ml/s at 200 PSI
•
orifice size is 0.187", flow coefficient: 0.44
•
all stems are 316 stainless steel
•
0.090" bleed hole located on bottom is controlled by a ¼"-20 UNF-2A bleed screw
Hard Seat Male to Female
Soft Seat Male to Female
Features:
•
convenient way to relieve process pressures trapped between a shut-off valve and the
instrument
•
FKM O-ring seal and PTFE back-up ring below the threads protects from corrosion and
galling
•
stem threads are rolled for strength and ease of operation
•
metal-to-metal hard seat design is 100% helium leak tested to 1 x 10-4 ml/s at 200 PSI
•
non-rotating soft tip stem and a backup metal-to-metal seal
•
all stems are 316 stainless steel
•
0.159" bleed port
316 stainless
316 stainless
NPT
Size
Handle
Style
PSI
at 200°F
Zinc Nickel Plated Steel
Part #
316 Stainless Steel
Part #
¼" - 18 T design
10000
MFC602
MFS602
½" - 14 T design
10000
MFC604
MFS604
NPT
Size
Handle
Style
PSI
at 200°F
Zinc Nickel Plated Steel
Part #
316 Stainless Steel
Part #
¼" - 18 T design
6000
MFC702
MFS702
½" - 14 T design
6000
MFC704
MFS704
Bleed Needle Valves
Hard Seat Male
Soft Tip Male
NPT
Size
Handle
Style
PSI
at 200°F
Zinc Nickel Plated Steel
Part #
316 Stainless Steel
Part #
¼" - 18 T design
10000
MC802
MS802
½" - 14 T design
10000
MC804
MS804
NPT
Size
Handle
Style
PSI
at 200°F
Zinc Nickel Plated Steel
Part #
316 Stainless Steel
Part #
¼" - 18 T design
6000
MC852
MS852
½" - 14 T design
6000
MC854
MS854
Needle Valves