Manifolds and Instrumentation Valves: CP-04

Back-Seat Needle Valve (MxF)
Up to 420 bar (6000 PSI)

TECVAL foto651478260409
TECVAL

TECVAL CP-04 needle valves are designed to work with liquids under both high pressure and temperature service. Their back-seat allows the free packing change while the valves are in service. They are used to insulate and avoid damaging instruments on the installation, since they do not cause water hammer, thanks to their design.

Features

  • Male-Female connections.
  • Metal-to-metal shut-off.
  • Easy packing external adjustment.
  • Free packing change in service.
  • PTFE packing.
  • 100% tested.

Options

  • Bleed screw in outlet.
  • Grafoil packing for high temperatures.
  • AISI-316 T-Bar handle.
  • Female - Female connections (FxF).

Technical data

Maximum Pressure

Up to 420 bar (6000 PSI)

Temperature Range

-20ºC/400ºC (-4ºF/752ºF)

Connections

Threaded NPT (ANSI B1.20.1)
Threaded BSP (ISO 7R-Rp)

Dimensions 1/4"1/2"
A Opened8992
A Closed8282
B12.515
C (GAS-BSP)6375
C (NPT)6370
Orifice Size 2.52.5
Flow Coefficient (Cv) 0.10.1
Materials

Brass (1.7660)

Carbon Steel (1.1158)

AISI-316L (1.4404)

Special alloys (For detailed information consult attached data sheet)

Materials

PartBrass Carbon Steel AISI-316L Special alloys 
1 Set screwAISI-304 (1.4301)AISI-304 (1.4301)AISI-304 (1.4301)AISI-304 (1.4301)
2 Handle washerAISI-304 (1.4301)AISI-304 (1.4301)AISI-304 (1.4301)AISI-304 (1.4301)
3 Handle wheelBlack painted aluminiumBlack painted aluminiumBlack painted aluminiumBlack painted aluminium
4 NutBrass (1.7660)F-112 (1.1158)AISI-316L (1.4404)AISI-316L (1.4404)
5 GlandBrass (1.7660)F-112 (1.1158)AISI-316L (1.4404)AISI-316L (1.4404)
6 PackingP.T.F.E.P.T.F.E.P.T.F.E.P.T.F.E.
7 BonnetBrass (1.7660)F-112 (1.1158)AISI-316L (1.4404)Special alloy
8 StemAISI-316L (1.4404)AISI-316L (1.4404)AISI-316L (1.4404)Special alloy
9 BodyBrass (1.7660)F-112 (1.1158)AISI-316L (1.4404)Special alloy
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