DKLOK-Catalog Goodyearrubber.com 866-711-4673

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Valves
DK-LokTubeFittingCerti cationListing DK-LokValveCerti cationListing QualitySystemApprovals
No.V63&V66-6
October 2013 V63 &V66 Series Relief Valves
Every valve is factory tested for cracking and reseal performance.
V63 Series Flow Rate V66 Series Flow Rate
V63 Series for working pressure 300 psig (20.6 bar)
V66 Series for working pressure 6,000 psig (413 bar)
Factory Test
Technical Data
Spring
Designator
Cracking Pressure Color
Code psig bar
RVS-L 10 to 225 0.68 to 15.5 Red
Table 2. V66 Series Spring Designators
Seal Material Temperature Rating, °C ( °F)
V63 Series V66 Series
FKM (Viton) -12 ~ -135 (10.4 ~ 275) -4 ~ 121 (24.8 ~ 250)
Buna N -23 ~ 148 (-9.4 ~ 298) -17 ~ 121 (1.4 ~ 250)
Ethylene Propylene
(EPDM) -40 ~ 148 (-40 ~ 298) -1 ~ 121 (30.2 ~ 250)
V63 Series Technical Data
• Maximumworking pressure : 300 psig @ 68°F (20.6 bar @ 20°C)
• Cracking pressure range : 10 to 225 psig (0.68 to 15.5 bar)
V66 Series Technical Data
• Maximumworking pressure : 6,000 psig @ 68°F (413 bar @ 20°C)
• Orifice size : 3.4 mm (0.13 in.)
• Cracking pressure range : 220 to 6,000 psig (15.1 to 413 bar)
V63/66 Series Temperature Rating
• Orifice : 4.8 mm (0.19 in.)
Table 1. V63 Series Spring Designator
Spring
Designator
Cracking Pressure Color
Code psig bar
RVS-A 220 to 350 15.1 to 24 WHITE
RVS-B 350 to 750 24 to 51.6 BLUE
RVS-C 750 to 1500 51.6 to 103 CLEAR
RVS-D 1500 to 2250 103 to 155 BLACK
Spring
Designator
Cracking Pressure Color
Code psig bar
RVS-E 2250 to 3000 155 to 206 GREEN
RVS-F 3000 to 4000 206 to 275 YELLOW
RVS-G 4000 to 5000 275 to 344 BROWN
RVS-H 5000 to 6000 344 to 413 ORANGE
Cap Plug
Cap Plug
Locking Nut
Bonnet
Locking Nut
Bonnet
Poppet
Body
Stem seal
Wire locking hole
Poppet
Stem seal
Body
Outlet
Outlet
Inlet
Inlet
O-ring seal
O-ring seal
Wire locking hole
Cracking pressure
adjusting cap
Cracking pressure
adjusting cap
V66 red label identifies
the loaded spring
Adjustable spring for
a specific cracking pressure
V63 yellow label identifies
the loaded spring
Adjustable spring for a
specific cracking pressure