Parker Instrumentation has launched a 3/8 in. (10 mm) bore double block and bleed manifold that will operate at up to 15,000 psi (1,034 bar) cold working pressure. At these elevated pressures, instrumentation engineers typically build systems from discrete valve and tube fitting components. Compared with these, the Hi-Pro 15KSI DBB manifold saves space and weight and eliminates numerous potential leak paths.
The Hi-Pro manifold is standardly equipped with threadless connections for tubing. At 15,000 PSI, many instrumentation engineers employ “cone and thread” style fittings for tubing connections, which can take upwards of 30 minutes to install and require an additional gland component in environments with vibration.
Parker Instrumentation’s manifold has 15,000 PSI-rated MPI tubing ends that utilize the industry-standard compression sealing technique. They assemble in seconds with the tightening of a nut and are inherently vibration resistant. MPI tube end sizes from 3/8 to 3/4 in. (9.5 to 19 mm) are available. The end connections are secured with Parker’s proprietary Tru-Lock mechanism, guarding against any connector movement upon disconnecting. NPT-compatible male or female ends are available.
The Hi-Pro manifold integrates two ball valves for isolation and one needle valve for venting, providing a standard “double block and bleed” configuration for interfacing instruments such as a pressure or temperature transmitters. The valves are integrated within a 316 stainless steel one-piece body measuring just 9.31 in. (23.6 cm) in length for the version with MPI tube ends. The one-piece body greatly reduces the number of potential leak paths compared with manifolds that use discrete valves and fittings. The manifold also eliminates threaded connections, which can be a source of problems in the field due to contamination from the use of thread sealants.
The PHlex new sealing material for valve seats made it possible to create the high-pressure manifold. This material also allows the manifold to meet the fire safety requirements of API 607 and BS6755 Part 2.
Deepwater oil and gas drilling, methanol injection equipment, and industrial laboratories where products are developed and tested under extreme conditions are among the sectors that can benefit from this innovation.
