Non Rising Stem Gate Valve (NRS)
Size Range
2" to 42" N. B.
Pressure Classes
ANSI 150, PN6, PN10, PN16
End Connections
Flanged & WAFER
Materials (Standard)
Standard Constructions
Steel:
Cast Carbon Steel A216 Gr WCB Body and Bonnet.
F316 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Iron:
Cast Iron A126 GR. B Body and Bonnet.
F304 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Manufacturing to NACE MR-01-75 on request.
Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials.
Various trim materials available to suit service conditions.
Operation
Manual, Electric, Hydrau-Pneumatic Actuator
Standards Compliance
MSS SP-81, JB/T 8691
Face to Face Dimension: MSS SP-81
Pre-temperature Rating: ANSI B16.34
Flanged Dimension: ANSI B16.5, DIN2533; JB79; GB/T 9113; HG20592
Inspect & Test: API 598, GB/T 13927; JB/T 9092
Quality Assurance
Accredited with ISO 9001 and CE Quality Assurance Programmes.
| DESGN & MFT. | API | ENDS CONNECTION | FLG. RF |
| PRE-TEP. RATING | ASME B16.34 | INSPECT & TEST | API 598 |
| F-F DIMENSION | ANSI B16.10 | END CONNECTION | ANSI B16.5 |
| MARKING | MSS SP-25 | FIRE SAFE DESIGN | -- |
| PAITING | TBA | SPE. REQUIREMENTS | N.A |