The valve is designed to launch drill pumps in conditions that ensure no load on the drive motors, and to smoothly restore fluid circulation in the well. Operation – remote pneumatic. The top outlet is designed for connection with manifold. The drain pipe is connected to the bottom outlet.

Specifications

Characteristics Unit TLD 3600 TLD 5000 TLD 5700
Work pressure, up to MPa 25 32 40
Test pressure, up to MPa 37.5 48 60
Nominal size diameter, not less mm 40 40 40
Pressure in the pneumatic unit , up to MPa 0.6÷0.8 0.6÷0.8 0.6÷0.8
Service environment – Water-based or water-carbon based drilling mud up to 2.2 g/cm3 weighted with barite or hematite
Service environment temperature °С from 0 to +40 from 0 to +40 from 0 to +40
Dimensions, mm, up to
– length mm 350 350 350
– width mm 385 530 520
– height mm 510 490 445
Weight, up to kg 78 84 102