DST Mult – Cycle Circulating Valve 3 7/8″ x 15000 psi working pressure

Product Description

Payment & Shipping Terms Supply Capacity
Unit Price: 1.0 USD Production Capacity: 5 pcs/month
Trade Term: FOB,CFR,EXW Packing: polywood case
Payment Terms: L/C, D/A, T/T Delivery Date: 7 days
Min. Order: 1 Piece/Pieces
Means of Transport: Ocean, Air, Land

DST Mult – Cycle Circulating Valve 3 7/8″ x 15000 psi working pressure

Cased Hole OMNI Valve Multi Cycle Circulating Valve for Drill Stem Testing Valve


Structure of mult – cycle cirulating valve / OMNI valve


The mult cycle circulating valve is the recloseable circulating valve operated by annulus pressure. The tools is named OMNI circulating valve in Halliburton. The mult-cycle circulating valve is composed with  a nitrogen section, an oil system, a circulating valve, and a ball valve.

* The Nitrogen section consists of the Top Adapter, nitrogen filler body, nitrogen mandrel, nitrogen

case, piston, nitrogen plug, nitrogen filler plug etc.

* Oil system is composed of the power nipple, check valve assemblies, locking connector, rotating

mandrel, ratchet, Steel Balls, operating Mandrel, oil chamber case, floating Piston etc.

* Circulating valve sections is comprised of the sealing Nipple, circulating case ,circulating Nipple,

circulating mandrel, seal rings etc.

* The ball valve section is comprised of the spring fingers, the upper seat holder, the lower seat holders,

the operating pins, the ball valve assemblies ,lower adapter, etc


Specification of 3 7/8″  mult – cycle cirulating valve


Specification 3 7/8″
OD 99.1mm
ID 45.7mm
Length 6555mm
Working pressure 105Mpa
Ball valve Open Differential pressure 35Mpa
Ball valve top and bottom differential pressure 70Mpa
Number of Ports 6
Service H2S,NACE MR0175(>175oF)
Working temperature -29℃~+204℃
Connection thread 27/8″CAS.B×P