Yokogawa EJX438A - Manual (Page 10)

8.2 Model and Suffix Codes (for EJA118E, EJX118A, EJA438E, and EJX438A)
Fill fluid
-1……
-2……
-4……
[Process temperature] [Ambient temperature]
High temp. and high vacuum use (Silicone oil) *1 –10 to 250°C –10 to 60°C
High temp. and high vacuum use (Silicone oil) *2 10 to 310°C 10 to 60°C
High vacuum use (Silicone oil) –10 to 100°C –10 to 60°C
*1: In case of wetted parts material code TW (Tantalum), process temperature limit is up to 200°C (392°F)
*2: Not applicable for wetted parts material code TW (Tantalum).
*3: Not applicable for process connection size code 8 (1 1/2-inch).
*4: Not applicable for flashing connection ring code 1, 2, A, and B.
*5: Not applicable for wetted parts material code UW (Titanium).
*6: The upper ambient temperature limit is 50°C (122°F) in the following combinations.
Process connection style code Process connection size code
W (Flush type) 2 (2-inch) or 8 (1 1/2-inch)
E (Extension type) 3 (3-inch)
8.3 Optional Specifications (for EJA118E, EJX118A, EJA438E, and EJX438A)
Teflon film* Diaphragm protection from sticky process fluid by FEP Teflon film attached with
fluorinated oil.
Operation range: 20 to 150°C, 0 to 2 MPa (Not applicable for vacuum service).
TF1
*: Applicable for the combination of flush type (process connection style code W) and flushing connection ring code 0.
Not applicable for Fill fluid code 1, 2, or 4.
(IV) Dimensions for Process connection code 8 and 9 (for EJA510E, EJX510A, EJX610A, EJA530E, EJX530A, and
EJX630A)
9.4 Dimensions
 With Process connections code 8 and 9
Regarding process connection code 8 and 9, the appearance of process connection part has been changed in
January, 2013.
The difference can be distinguished by the 3-digit marking engraved on the side of hexagonal nut part.
5(0.20)
20(0.78)
ш6
(0.24)
172 (6.77)
5(0.20)
24(0.94)
ш6
(0.24)
172 (6.77)
Marking (3 digits):
=Numerical character such as `3´: See figure (a).
=Alphabet such as `N´: See figure (b).
(a) (b)