EJXC80A, EJAC80E Differential / Gauge Pressure Diaphragm Seal System

System Type

Differential or gauge pressure diaphragm seal system.

Compatible Transmitters

Differential: EJX110A, EJA110E

Measurement Span / Pressure Range (Direct-Mount Flanged)

M (Low): 1 … 100 kPa, Range: –100 … +100 kPa

H: 5 … 500 kPa, Range: –500 … +500 kPa

V (Flush): 0.14 … 14 MPa, Range: –0.5 … +14 MPa

V (Extended): 0.14 … 7 MPa, Range: –0.5 … +7 MPa

Process / Fill Fluid Options

Silicone oil (general use) — code A: process temp –10 … +315 °C; ambient –10 … +85 °C; working pressure from ~2.7 kPa abs up to flange rating.

Silicone oil (medium‑high temp) — code G: –40 … +210 °C, ambient –40 … +85 °C.

Silicone oil (low‑temperature) — code F: –70 … +100 °C, ambient –40 … +85 °C.

Fluorinated oil — code D: –20 … +120 °C, ambient –20 … +80 °C.

Ethylene glycol — code E: –50 … +100 °C.

Propylene glycol — code P: –10 … +120 °C.

Specific Gravity of Fill Fluids

Varies by fluid: ~1.07 (silicone A), ~0.94 (silicone G), ~0.88 (silicone F), ~1.90 (fluorinated).

Response Time

200 ms.

Process Connection (Flange)

Flush flanged seal: 1½″ (40 mm), 2″ (50 mm), 3″ (80 mm)

Extended flanged seal: 3″ (80 mm), 4″ (100 mm)

Operating / Working Pressure

Up to the flange rating (depends on type).

Applications

Measurement of high/low temperature fluids, corrosive or high-viscosity media, fluids that tend to clog impulse lines, toxic fluids, and fluids with suspended solids

Features

• High performance, high accuracy and high reliability.
• High temperature and high vacuum use (0.013 kPa abs~)
• Fast response: 200 ms