Materials of Construction (MOC)
| Component | Material Specification |
|---|---|
| Body & Bonnet | Stainless Steel (ASTM A351 Gr. CF8/CF8M) |
| Stem / Spindle | SS 304 / SS 316 |
| Seat / Trim | PTFE / RPTFE / Integral |
Technical Specifications
| Parameter | Specification / Standard |
|---|---|
| Manufacturing / Design Standard | ASME B16.34 / API 603 / API 6D |
| Testing Standard | API 598 / EN 12266-1 |
| Pressure Rating | Class 150 to Class 600 / PN16 / PN40 |
Features & Benefits
Integral Multi-Valve Body
Two to five valves are machined from a single barstock forging, eliminating threaded connections between valves and reducing leak paths, weight, and installation space by 80% compared to individual valve assemblies.
Compact Direct Mount Design
Manifold mounts directly between the process connection and the transmitter, gauge, or switch without additional tubing, nipples, or brackets -- ideal for crowded instrument panels, analyser shelters, and offshore platform skids.
NACE MR0175 Sour Service Standard
SS316L or duplex stainless steel body and trim with hardness control per NACE MR0175 is standard, making the manifold suitable for H2S-containing sour gas and refinery applications.
Needle and Ball Valve Options
Needle valves provide fine flow control and bubble-tight isolation for calibration and venting; ball valves provide rapid on-off isolation for maintenance and high-flow purge operations -- mixed configurations available.
Anti-Blowout Stems
All needle and ball valve stems are mechanically retained by the body geometry and cannot be ejected under pressure, meeting API 602 safety requirements for instrument isolation.
Colour-Coded Handles
Handles are colour-coded by function (e.g., red = isolate, green = equalise, yellow = vent) for rapid identification and error prevention during transmitter calibration and maintenance.