3T3700/3L3800 Series 3-Way Ball Valve

The 3T3700/3L3800 Series is a four seated valve which allows product to be mixed, diverted or shutoff with a three way valve. Each passageway is machined to reduce flow resistance. The “L” port is operated as a simple diverting valve and the “T” port configuration is versatile and offers more flow options for piping configurations. Available in sizes 1/4″ through 2″ standard port. ISO 5211 mounting paid, ideal for actuator or accessory mounting, standard.

  • Investment cast body construction
  • ISO 5211
  • D & T actuator mounting pad
  • Blow-out proof stem
  • PTFE 4-seat design
  • Adjustable PTFE packing
  • API 598 inspection and testing
  • PED 97/23/EC; ISO 9001
  • Locking Lever Operator

Data Sheet
3T3700/3L3800 Series Data Sheet

Dimensional Drawings
3T3700R/3L3800R, FNPT Ends, 1/4″ – 2″, UT Actuator
3T3700R/3L3800R FNPT/FSW Ends, 1/4″ – 2″, ER Actuator, sized for RPTFE seats
3T3700R/3L3800R, FNPT Ends, 1/4″ – 2″, Lever Operator

I & M
3T3700/3L3800 Series I & M

Overview
Marwin Condensed Catalog

Other Documentation
Steam Service SP Ratings

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