PRPL, Purple Engineering

Blanket Valves

Main Features:

  • SS 316L body
  • PFTE diaphragm
  • Balanced valve
  • Vacuum tight
  • ATEX Ex II 2 GD
  • Adjustable from zero pressure
  • Easy to polish
  • Easy maintenance
  • Design according to EN 12516
  • Delivery according to PED

Charactaristics:

  • Inlet pressure: 0,1 - 6 bar, 0,1 -16 bar. 16 bar design pressure
  • Outlet ranges: 5 – 500 mbar. 6 bar design pressure
  • Under pressure: Vacuum
  • Seat diameters:
    • - TBRS8: 8 mm
    • - TBRSH8: 5 mm
  • Seat leakage: EN12266, rate a, p12. ANSI Class VI
  • Dependency ratio: 1 : 3000
  • Materials:
    • - Body & Trim: SS 316L
    • - Springhousing: SS 316L
    • - Stem guide: PFTE
    • - Valve housing: PFTE
    • - Valve seat ring: Viton
    • - Diaphragm: PFTE
  • Connections:
    • 1" BSPP Female
    • 1" NPT Female
    • Flanges ANSI 1" 150# RF
    • Flanges DIN DN25 PN16
    • Tri-clamps 1" BSOD
  • Weight:
    • - Screwed models: 6,5 kg
    • - Flanged models: 8,5 kg
  • Temperature range: -20°C to + 140°C*
  • Do not use teflon tape or anaerobic sealing compounds on the bspp threads.

* Actual range depends on choice of seatand seal material.

CLEANING:

This regulator is ultrasonically cleaned and degreased. Oxygen cleaning based on ASTM-G93 Level C / CGA 4.1 is optional.

O-RINGS:

Viton o-rings are standard.

Options:

EPDM (compound FS-EPDM70-USP05) to FDA 21CFR, USP24 CL VI Kalrez (compound 6230) to FDA 21CFR, USP24 CL VI

INSTALLATION:

Preferably in a vertical mode to allow draining.
From a control point of view there is little or no difference between horizontal or vertical mounting.

mounting mode (preferably):

gauge connections (option):


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