V63 & V66 Relief Valves Series

V63 & V66 Relief Valves Series

(26 products)

DK-Lok V63 and V66 proportional relief valves have a 316 SS body, color-coded springs and field-adjustable cracking pressure. The V63 cracks from 10 to 225 psig. The V66 cracks from 50 to 6,000 psig and is rated 6,000 psig maximum. DK-Lok tube or NPT ends, 1/4" to 1/2". Need ASME-coded relief valves? See our Mercer Valve line.

Need help matching a part number or checking a rating? Call 310-833-3353 or email sales@abesttube.com.


  • DK Lok

    V66-D-12M-S

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  • DK Lok

    V66-D-8T-S

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  • DK Lok

    V66-D-8M-S

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  • DK Lok

    V66-D-6M-S

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  • DK Lok

    V66-D-4T-S

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  • DK Lok

    V66-MF-8R-S

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  • DK Lok

    V66-MF-6R-S

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  • DK Lok

    V66-MF-4R-S

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  • DK Lok

    V66-MF-8N-S

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  • DK Lok

    V66-MF-6N-S

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  • DK Lok

    V66-MF-4N-S

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  • DK Lok

    V66-MD-8N12M-S

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  • DK Lok

    V66-MD-8N8T-S

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  • DK Lok

    V63-D-12M-S

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  • DK Lok

    V63-D-8T-S

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  • DK Lok

    V63-D-8M-S

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  • DK Lok

    V63-D-6M-S

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  • DK Lok

    V63-D-4T-S

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  • DK Lok

    V63-MF-8R-S

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  • DK Lok

    V63-MF-6R-S

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  • DK Lok

    V63-MF-4R-S

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  • DK Lok

    V63-MF-8N-S

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  • DK Lok

    V63-MF-4N-S

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  • DK Lok

    V63-MD-8N12M-S

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