R74

Description:
Diaphragm-operated pressure regulator completely made of stainless steel for very low outlet pressure,
independent of inlet pressure.

Note:
It is recommended to select an outlet diameter at least one time larger than the main valve's diameter.
Mounting_position: with spring cage downward at pressure range < 100 mbar.
Media: compressed air or gases

Supply_pressure:
max. 25 bar at R74-02 to -A8,
max. 16 bar at R74-08/16

Adjustment: by T-handle with locknut
Relieving_function: non-relieving
Gauge_port: G1/4 on both sides of the body
Mounting_position: spring cage downward
Temperature_range: 0 °C to 140 °C / 32 °F to 284 °F, for EPDM, steamable
Body: stainless steel 1.4301, optionally 1.4435
Spring_cage: stainless steel 1.4301
Diaphragm: EPDM
Seals: EPDM
O-rings: EPDM




Pharmacy and food-safe version:

Description:
The pharmacy version (option P) standard design is completely made of stainless steel, independent
of inlet pressure, sealed at zero consumption, with EPDM and steamable to 140 °C / 284 °F. Media
contact parts have roughness of Ra < 2.6 µm.

Special_options: Add the appropriate letter to the order number:

Outer_surface:
Valve_body: electropolished FA, glass bead shot-peened FC
Valve_throughout: electropolished FB, glass bead shot-peened FD, ground/polished Ra 1.2 µm FE

Inner_surface:
Valve body: Ra < 2.0 µm glass bead shot-peened GA

Media_contact_parts:
Ra < 1.6 µm GB,
Ra < 0.8 µm GC,
Ra < 0.5 µm GD

Connection:
Aseptic flange as per DIN 11864-2 F(AS), as per APV F(APV)
Flange as per DIN 2633 (PN 16) F, as per ANSI B16.5 150 lbs F150lbs
Threaded connection as per DIN 11851 GA
Clamp fitting as per DIN 32676 CL

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