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Extended Coverage Concealed (4)

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temperature rating

k factor metric

finish

position

response

VK538

VK538 | DN20-3/4″ | K161 | Standard/Quick Response | Extended Coverage | Ordinary Hazard | ELO | Concealed | Pendent | Fusible Link

VK632

VK632 | DN15-1/2″ | K80 | Quick Response | Extended Coverage | Concealed | Pendent

VK634

VK634 | DN20-3/4″ | K115 | Quick Response | Extended Coverage | Concealed | Pendent

VK680

VK680 | DN20-3/4″ | K115 | Quick Response | Extended Coverage | Concealed | Horizontal Sidewall | Fusible Link